WO2018176497A1

WO2018176497A1 - Heat transfer spoiler, volumetric heat transfer device, and water heater

Info

Publication number: WO2018176497A1
Application number: PCT/CN2017/079378
Authority: WO
Inventors: 代先锋; 仇正良; 梁国荣
Original assignee: 芜湖美的厨卫电器制造有限公司; 美的集团股份有限公司
Priority date: 2017-04-01
Filing date: 2017-04-01
Publication date: 2018-10-04

Abstract

A heat transfer spoiler (60), a volumetric heat transfer device (100), and a water heater, the volumetric heat transfer device (100) comprising: a burner housing (20), having a burning cavity (202) with an open upper end; a burner (30), provided within the burning cavity (202); a liner (10) provided on the upper end of the burner housing (20) and having a water storage cavity (101) therein, the water storage cavity (101) having an upper opening (105) and a lower opening (106), and the side wall of the liner (10) being provided with a heat transfer passage (103) in communication with the burning cavity (202); and a main heat transfer tube (44), provided within the water storage cavity (101), and the upper end and the lower end thereof being sealingly provided within the upper opening (105) and the lower opening (106) respectively.

Description

Heat exchange spoiler, volumetric heat exchanger and water heater

Technical field

The present invention relates to the field of hot water technology, and more particularly to a heat exchange spoiler, a volumetric heat exchange device and a water heater therewith.

Background technique

The volumetric gas water heater has a good development prospect in the commercial field due to its constant water temperature, large amount of hot water supply and low cost of use. The volumetric gas water heater in the related art uses flue gas to heat water, the heat exchange efficiency is low, and the temperature of the heated water is not uniform enough.

Summary of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a volumetric heat exchange device in which the heat exchange efficiency of the volumetric heat exchange device is improved and the heat exchange effect is good.

The invention also proposes a water heater having the above described volumetric heat exchange device.

The invention also proposes a heat exchange spoiler.

A volumetric heat exchanging device according to an embodiment of the present invention includes: a combustor casing defining a combustion chamber having an open upper end; a burner, the burner being disposed in the combustion chamber to generate flue gas a tank, the inner tank is disposed at an upper end of the burner shell, the inner tank defines a water storage chamber, and an upper portion of the water storage chamber has an upper opening communicating with the outside, the water storage chamber The lower portion has a lower opening communicating with the combustion chamber, and the side wall of the inner tank is provided with a heat exchange passage extending at two ends to the upper and lower portions of the inner tank respectively and communicating with the outside and the combustion chamber respectively; a heat pipe, the main heat exchange tube is disposed in the water storage chamber, an upper end of the main heat exchange tube is sealed and disposed in the upper opening, and a lower end of the main heat exchange tube is sealed in the lower opening Inside.

The heat exchange efficiency of the volumetric heat exchange device according to the embodiment of the invention is improved, and the heat exchange effect is better.

Further, the positive displacement heat exchanger according to the above embodiment of the present invention may further have the following additional technical features:

Optionally, the heat exchange passage is disposed around the combustion chamber.

A positive displacement heat exchanger according to an embodiment of the present invention further includes: a casing, the inner casing and the burner casing are disposed in the outer casing, and an upper portion of the outer casing is provided to communicate the main heat exchange pipe with the outside and The heat exchange passage and an outer outlet of the outside, the heat exchange passage being defined by at least an inner wall surface of the outer casing and an outer wall surface of the inner casing.

Optionally, a lower portion of the heat exchange passage extends to the burner casing and is defined by an outer wall surface of the burner casing and an inner wall surface of the outer casing, and a sidewall of the burner casing is disposed A vent opening connecting the combustion chamber and the heat exchange passage.

Further, the vent includes a plurality of spaced apart circumferentially of the combustor casing.

According to some embodiments of the present invention, the outer casing includes an inner casing and an outer casing, the outer casing is disposed outside the inner casing and is provided with a mounting opening, and an upper end of the inner casing is sealingly connected to the mounting The outer outlet is provided in the mouth, and an outer peripheral surface of the upper end of the main heat exchange tube is spaced apart from an inner peripheral wall surface of the outer opening.

Optionally, the main heat exchange tube is disposed coaxially with the water storage chamber.

In some embodiments of the invention, the bottom wall of the inner liner is formed in an upwardly concave arc shape, and the lower opening is provided in a middle portion of the bottom wall of the inner liner.

Optionally, the main heat exchange tube and the inner tube are welded together.

The volumetric heat exchange device according to an embodiment of the present invention further includes a temperature controller that extends into a lower portion of the water storage chamber and is electrically connected to the burner.

The volumetric heat exchange device according to an embodiment of the present invention further includes: a heat exchange spoiler disposed in the main heat exchange tube and connected to the main heat exchange tube.

Further, the heat exchange spoiler comprises: a spoiler body extending along an axial direction of the main heat exchange tube and connected to the main heat exchange tube, the spoiler body Having a plurality of spoiler holes spaced along the length thereof; a plurality of heat exchange fins, the plurality of heat exchange fins being connected to the upper edges of the plurality of spoiler holes one by one, each The heat exchange fins extend obliquely downward and away from the spoiler body.

A water heater according to an embodiment of the present invention includes a volumetric heat exchange device according to an embodiment of the present invention.

The additional aspects and advantages of the invention will be set forth in part in the description which follows.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

Figure 1 is a cross-sectional view showing a volumetric heat exchanging device according to a first embodiment of the present invention;

Figure 2 is a schematic view showing the structure of a volumetric heat exchanging device according to a first embodiment of the present invention;

Figure 3 is a cross-sectional view of a volumetric heat exchanging device in accordance with a second embodiment of the present invention;

Figure 4 is a schematic view showing the structure of a volumetric heat exchanging device according to a second embodiment of the present invention;

Figure 5 is a cross-sectional view showing a volumetric heat exchanging device in accordance with a third embodiment of the present invention;

Figure 6 is a schematic structural view of a volumetric heat exchange device according to a third embodiment of the present invention;

Figure 7 is a cross-sectional view showing a volumetric heat exchanging device in accordance with a fourth embodiment of the present invention;

Figure 8 is a schematic structural view of a volumetric heat exchanging device according to a fourth embodiment of the present invention;

Figure 9 is a cross-sectional view showing a volumetric heat exchanging device in accordance with a fifth embodiment of the present invention;

Figure 10 is a schematic structural view of a volumetric heat exchanging device according to a fifth embodiment of the present invention;

Figure 11 is a schematic enlarged view of the circle A in Figure 10;

Figure 12 is a cross-sectional view showing a volumetric heat exchanging device in accordance with a sixth embodiment of the present invention;

Figure 13 is a schematic structural view of a volumetric heat exchanging device according to a sixth embodiment of the present invention;

Figure 14 is a cross-sectional view showing a volumetric heat exchanging device in accordance with a seventh embodiment of the present invention;

Figure 15 is a schematic structural view of a volumetric heat exchange device according to a seventh embodiment of the present invention;

Figure 16 is a schematic enlarged view of the circle B in Figure 14;

Figure 17 is a schematic enlarged plan view showing a circle C in Figure 15;

Figure 18 is a cross-sectional view showing a volumetric heat exchanging device according to an eighth embodiment of the present invention;

Figure 19 is a schematic structural view of a volumetric heat exchanging device according to an eighth embodiment of the present invention;

Figure 20 is a cross-sectional view showing a volumetric heat exchanging device according to a ninth embodiment of the present invention;

Figure 21 is a plan view of a volumetric heat exchanging device in accordance with a ninth embodiment of the present invention;

Figure 22 is a schematic view showing the assembly of a heat exchange spoiler and a main heat exchange tube of a volumetric heat exchange device according to a ninth embodiment of the present invention;

Figure 23 is a schematic view showing the flow of flue gas of a volumetric heat exchanging device according to a ninth embodiment of the present invention;

24 is a schematic structural view of a heat exchange spoiler according to an embodiment of the present invention;

Figure 25 is a schematic enlarged view of the circle D in Figure 24;

Figure 26 is a cross-sectional view of a volumetric heat exchange device equipped with a heat exchange spoiler in accordance with an embodiment of the present invention;

Figure 27 is a top plan view of a volumetric heat exchange device equipped with a heat exchange spoiler in accordance with an embodiment of the present invention.

Reference mark:

Volumetric heat exchange device 100;

Liner 10;

Water storage chamber 101; flange 102; heat exchange passage 103; air passage 104; upper opening 105; lower opening 106;

Burner housing 20; vent 201; combustion chamber 202; burner 30;

Heat exchange branch pipe 41; peripheral branch pipe 411; middle branch pipe 412;

Upper heat exchange tube 42; lower heat exchange tube 43;

Main heat exchange tube 44; intermediate tube section 441, upper tube section 442; lower tube section 443;

Peripheral ventilation channel 401; central ventilation channel 402;

The outer casing 50; the outer outlet 501; the inner casing 51; the outer casing 52; the mounting opening 521;

Heat exchange spoiler 60; spoiler body 61; heat exchange fins 62; spoiler 601;

Main spoiler section 611; hemming 6111; weight reducing hole 6112;

Mounting section 612; mounting portion 6121;

Drainage member 70; water receiving portion 701; drain channel 702; drain port 703;

Water receiving ring 71; drainage arm 72;

Separator 80; thermostat 110; inlet pipe 120; outlet pipe 130.

detailed description

Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are intended to be illustrative of the present invention and are not to be construed as limiting the scope of the invention. Various changes, modifications, substitutions and variations are possible in the embodiments. The scope of the invention is defined by the claims and their equivalents.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "upper", "lower", "front", "back", "vertical", "horizontal", The orientation or positional relationship of the "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, only It is to be understood that the invention is not to be construed as a limitation of the invention.

A volumetric heat exchange device 100 according to an embodiment of the present invention will now be described with reference to the accompanying drawings.

Referring to FIGS. 1 through 27, a volumetric heat exchanging device 100 according to an embodiment of the present invention may include a liner 10, a combustor casing 20, a combustor 30, and a heat exchange flue.

Specifically, a water storage chamber 101 may be defined in the inner tank 10, and the heat exchange tobacco tube may be disposed in the water storage chamber 101. The upper portion of the inner casing 10 is provided with an upper opening 105. The upper opening 105 communicates with the outside, and the upper end of the heat exchange pipe can be sealed and disposed in the upper opening 105. Thereby, the heat exchange pipe can be connected to the outside, and the liner 10 is sealed and connected with the heat exchange pipe, which can effectively prevent water leakage.

A combustion chamber 202 having an open upper end is defined in the combustor casing 20, and the combustor 30 is disposed in the combustion chamber 202. The inner liner 10 is disposed at an upper end of the combustor casing 20 to close the upper end opening of the combustion chamber 202. The lower portion of the inner casing 10 is provided with a lower opening 106. The lower opening 106 communicates with the water storage chamber 101 and the combustion chamber 202. The lower end of the heat exchange tobacco tube is sealed and disposed in the lower opening 106 to realize the connection between the combustion chamber 202 and the heat exchange tobacco tube. The combustion chamber 202 is partitioned from the water storage chamber 101.

Thereby, the flue gas generated by the burner 30 can enter the heat exchange pipe, exchange heat with the heat exchange pipe, increase the temperature of the heat exchange pipe, and exchange heat with the water in the water storage chamber 101. To achieve heating of the water. The temperature of the flue gas is reduced after heat exchange, and can flow out from the upper end of the heat exchange pipe.

In the present invention, the heat exchange pipe may include at least one of the heat exchange pipe 41, the upper heat exchange pipe 42, the lower heat exchange pipe 43, and the main heat exchange pipe 44, and the structure of the heat exchange pipe can be designed. To improve the heat exchange capacity, the volumetric heat exchange device 100 according to an embodiment of the present invention will be described in detail below in conjunction with some specific embodiments.

1 and 2 illustrate a volumetric heat exchange device 100 in accordance with a first embodiment of the present invention. As shown in FIGS. 1 and 2, a volumetric heat exchange device 100 according to an embodiment of the present invention includes a liner 10, a combustor casing 20, a combustor 30, and a heat exchange flue pipe, and the heat exchange flue pipe may include a heat exchange branch pipe 41. And upper heat exchange tube 42.

Specifically, a combustion chamber 202 having an open upper end is defined in the combustor casing 20, and the combustor 30 is disposed in the combustion chamber 202. The inner liner 10 is disposed at an upper end of the combustor casing 20 to close the upper end opening of the combustion chamber 202. The inner tank 10 defines a water storage chamber 101. The upper portion of the water storage chamber 101 has an upper opening 105. The upper opening 105 communicates with the water storage chamber 101 and the outside. The lower portion of the water storage chamber 101 has a lower opening 106. The lower opening 106 communicates with the water. Cavity 101 and combustion chamber 202.

The upper heat exchange tube 42 can be sealingly coupled within the upper opening 105. The lower opening 106 and the heat exchange branch 41 respectively include a plurality of, and the plurality of heat exchange branch pipes 41 and the plurality of lower openings 106 are in one-to-one correspondence. In the description of the present invention, "a plurality" means two or more, for example, three or four or the like unless otherwise specified. A plurality of heat exchange branch pipes 41 are disposed in the water storage chamber 101. The lower ends of each heat exchange branch pipe 41 are respectively sealed and disposed in the corresponding lower openings 106, and the upper ends of each heat exchange branch pipe 41 are connected to the lower ends of the upper heat exchange tubes 42. .

Therefore, the flue gas formed by the burner 30 burning the fuel gas such as gas first enters the plurality of heat exchange branch pipes 41, and then converges into the upper heat exchange tubes 42 communicating with the plurality of heat exchange branch pipes 41, and passes through the upper heat exchange tubes. After 42, the volumetric heat exchange device 100 is discharged. The plurality of heat exchange branch pipes 41 are arranged to enable direct heat exchange between the water in different parts of the inner tank 10 and the heat exchange branch pipe 41, so that the water of the inner tank 10 can be more uniformly exchanged, and at the same time, multiple heat exchanges The branch pipe 41 increases the heat exchange area, thereby increasing the heat exchange capacity of the volumetric heat exchange device 100, and improving the heat exchange efficiency and the heat exchange effect.

The connection manner of the upper heat exchange tube 42 and the heat exchange branch tube 41 and the manner of connecting the heat exchange branch tube 41 and the inner tube 10 are not particularly limited. For example, a bonding method or a method of snapping and sealing the ring may be employed. In some specific examples of the invention, the upper heat exchange tube 42 and the heat exchange branch 41 are welded together, and the heat exchange branch 41 and the inner tube 10 are also welded. Thereby, not only the connection is convenient, but also the connection is reliable and the sealing property is good. In other embodiments of the invention, the upper heat exchange tube 42 is integrally formed with the heat exchange branch 41. Thereby, the overall sealing property of the heat exchange pipe can be improved, and the assembly efficiency of the volumetric heat exchange device 100 can be improved.

In order to further improve the uniformity of heat exchange, the plurality of heat exchange branch pipes 41 may be evenly spaced and distributed in the water storage chamber 101. For example, as shown in FIGS. 1 and 2, the plurality of heat exchange branch pipes 41 may include a plurality of peripheral branch pipes 411 which are spaced apart in the circumferential direction of the inner casing 10. Thereby, the uniformity of distribution of the heat exchange branch pipe 41 in the inner liner 10 can be improved, and the heat exchange capacity can be further improved. In some embodiments of the invention, a plurality of peripheral branch pipes 411 are evenly spaced along the circumferential direction of the inner casing 10.

As shown in FIG. 1 and FIG. 2, the heat exchange branch pipe 41 can be extended into a straight pipe, the flue gas flows smoothly, and the heat exchange property is good. Alternatively, the upper portion of each of the peripheral branch pipes 411 may extend in an arc shape as shown in FIGS. 1 and 2. Thereby, the flue gas flows more smoothly in the heat exchange branch pipe 41. As shown in FIGS. 1 and 2, the inner wall surface at the junction of the upper heat exchange tube 42 and the heat exchange branch tube 41 can smoothly transition. Thereby, the smoothness of the flow of the flue gas can be further improved.

1 and 2, the plurality of heat exchange branches 41 may further include a middle branch 412, the middle branch 412 is generally located in the middle of the water storage chamber 101, and the outer branch 411 is spaced apart from the outer circumference of the middle branch 412. That is, a plurality of peripheral branch pipes 411 are disposed around the outer circumference of the middle branch pipe 412, and are spaced apart from the middle branch pipe 412, and the plurality of peripheral branch pipes 411 are spaced apart from each other. Thereby, the uniformity of the distribution of the heat exchange branch pipe 41 can be further improved, and the effect and efficiency of heating the water can be further improved.

Further, the middle branch pipe 412, the upper heat exchange pipe 42, and the water storage chamber 101 may be coaxially disposed. That is, the central axis of the central branch pipe 412 and the central axis of the upper heat exchange tube 42 are collinearly disposed with the central axis of the water storage chamber 101. Thereby, the efficiency and effect of heating water can be further improved.

As shown in FIG. 1 and FIG. 2, the lower opening 106 and the upper opening 105 are respectively provided with a flange 102, and the lower end of the middle branch pipe 412 and the upper heat exchange tube 42 are respectively connected with the corresponding flange 102, specifically, the middle branch pipe The lower end of the 412 is connected to the flange 102 at the lower opening 106, and the upper heat exchange tube 42 is connected to the flange 102 at the upper opening 105. Thereby, the connection reliability and sealing property of the middle branch pipe 412 and the upper heat exchange pipe 42 and the inner liner 10 can be improved.

Alternatively, the bottom wall of the inner liner 10 may be formed in an upwardly concave arc shape. As shown in FIGS. 1 and 2, the lower opening 106 may be provided on the bottom wall of the inner liner 10. Thereby, the curved bottom wall can guide the flue gas, and the flue gas can be more easily entered into the heat exchange branch pipe 41, thereby improving the heating effect on the water.

The volumetric heat exchanging device 100 according to an embodiment of the present invention may further include a casing 50. As shown in FIGS. 1 and 2, the casing 10 and the combustor casing 20 may be disposed in the casing 50 to be protected by the casing 50 to avoid damage. . The upper portion of the outer casing 50 may be provided with an outer outlet 501, and the outer outlet 501 communicates with the upper heat exchange tube 42 and the outside, so that the flue gas in the upper heat exchange tube 42 can flow out of the outer casing 50. Further, the upper heat exchange tube 42 may protrude from the outer outlet 501 and be sealingly coupled to the outer casing 50. Therefore, not only the connection is convenient, but also the upper heat exchange tube 42 and the outer casing 50 are reliably connected and have good sealing property, and the air outlet property is good, and the smoke can be prevented from entering and staying in the outer casing 50.

Alternatively, the outer casing 50 and the combustor casing 20 may be separate pieces, and the combustor casing 20 may be coupled to the outer casing 50. Of course, in some embodiments of the present invention, the combustor casing 20 and the outer casing 50 may also be a single piece. Specifically, a portion of the outer casing 50 may be used as the combustor casing 20, thereby eliminating the need to separately provide the combustor casing 20, The cost is lower.

As shown in FIG. 2, the volumetric heat exchanging device 100 according to an embodiment of the present invention may further include a thermostat 110 that extends into a lower portion of the water storage chamber 101 to detect the temperature in the water storage chamber 101. When the water level in the water storage chamber 101 reaches the temperature controller 110, the temperature controller 110 can detect the temperature of the water. The thermostat 110 is connected to the burner 30. When the temperature controller 110 detects that the temperature of the water exceeds a predetermined temperature, the burner 30 can be controlled to stop working. When the temperature controller 110 detects that the temperature of the water is lower than a predetermined temperature, the burner 30 It can continue to work to continue to supply flue gas into the heat exchange pipe, to achieve water heating, good controllability and high safety.

3 and 4 illustrate a volumetric heat exchange device 100 in accordance with a second embodiment of the present invention. As shown in Figure 3 and Figure 4, The volumetric heat exchanging device 100 according to an embodiment of the present invention includes a liner 10, a combustor casing 20, a combustor 30, and a heat exchange flue pipe, and the heat exchange flue pipe may include a heat exchange branch pipe 41 and a lower heat exchange pipe 43.

The structure in this embodiment is the same as the structure in the first embodiment, and there are also differences. The same reference numerals are used for the same or similar components. For details, refer to the previous description, and the details are not detailed here. description. The main differences are described in detail below.

Referring to FIG. 3 and FIG. 4, in the present embodiment, the upper opening 105 of the inner casing 10 includes a plurality of heat exchange branch pipes 41 including a plurality of heat storage branch pipes 41 and are disposed in the water storage cavity 101, and a plurality of heat exchange manifolds The upper openings 105 are in one-to-one correspondence, and the upper end of each heat exchange branch pipe 41 is sealed and disposed in the corresponding upper opening 105. The lower opening 106 of the inner liner 10 is one, the lower heat exchange tube 43 is sealingly connected to the lower opening 106, and the upper end of the lower heat exchange tube 43 is connected to the lower ends of the plurality of heat exchange branch pipes 41.

Therefore, the flue gas formed by the burner 30 burning the fuel gas such as gas first enters the lower heat exchange tube 43 and then is branched into the plurality of heat exchange branch pipes 41, and is discharged through the plurality of heat exchange branch pipes 41 to discharge the volumetric heat exchange device. 100. The plurality of heat exchange branch pipes 41 are arranged such that water in different parts of the inner tank 10 and the heat exchange branch pipe 41 directly exchange heat, so that the water of the inner tank 10 can be more uniformly exchanged, and at the same time, a plurality of heat exchange branch pipes 41 increases the heat exchange area, thereby increasing the heat exchange capacity of the volumetric heat exchange device 100, and improving the heat exchange efficiency and the heat exchange effect.

Alternatively, the lower heat exchange tube 43 and the heat exchange branch tube 41 may be connected by a bonding manner such as bonding or welding. The heat exchange branch pipe 41 and the inner liner 10 can be connected by means of bonding or welding. Alternatively, the inner wall surface of the junction of the lower heat exchange tube 43 and the heat exchange branch tube 41 can be smoothly transitioned to improve the smoothness of the smoke flow.

As shown in FIG. 3 and FIG. 4, the structure of the heat exchange branch pipe 41 in this embodiment is substantially similar to that in the first embodiment, and the plurality of heat exchange branch pipes 41 may include a plurality of peripheral branch pipes 411 and a middle branch pipe 412, specifically Please refer to the related description above. A flange 102 may be provided at the lower opening 106, and the lower heat exchange tube 43 may be connected to the flange 102. Further, the middle branch pipe 412, the upper heat exchange pipe 42, and the inner liner 10 may be coaxially disposed to further improve the performance of the heated water. Alternatively, the lower portion of each of the peripheral branch pipes 411 may be extended in an arc shape to improve the smoothness of the flow of the flue gas, and to facilitate the connection of the peripheral heat exchange tubes and the lower heat exchange tubes 43.

As shown in FIG. 3 and FIG. 4, the volumetric heat exchange device 100 according to the embodiment of the present invention may further include a casing 50. The upper portion of the casing 50 may be provided with a plurality of outer outlets 501, a plurality of heat exchange branch pipes 41 and a plurality of outer tubes. The outlets 501 are in one-to-one correspondence, and each heat exchange branch 41 can protrude from the corresponding outer outlet 501 and be sealingly connected to the outer casing 50. Therefore, not only the connection is convenient, but also the upper heat exchange tube 42 and the outer casing 50 are reliably connected and have good sealing property, and the air outlet property is good, and the smoke can be prevented from entering and staying in the outer casing 50.

5 and 6 illustrate a volumetric heat exchange device 100 in accordance with a third embodiment of the present invention. As shown in FIG. 5 and FIG. 6, the volumetric heat exchange device 100 according to an embodiment of the present invention may include a liner 10, a combustor casing 20, a burner 30, and a heat exchange pipe, and the heat exchange pipe may include a heat exchange pipe branch. 41. Upper heat exchange tube 42 and lower heat exchange tube 43.

The structures in this embodiment are the same as those in the first embodiment and the second embodiment, and there are also differences. The same reference numerals are used for the same or similar components. For details, see the previous Description, which will not be described in detail herein, the main differences will be described in detail below.

As shown in FIG. 5 and FIG. 6, the structure of this embodiment can be regarded as a combination of the first embodiment and the second embodiment. The heat exchange pipe can include the heat exchange pipe 41, the upper heat exchange pipe 42 and the lower exchange. Heat pipe 43. The heat exchange branch pipe 41 includes a plurality of and is disposed in the water storage chamber 101 of the inner liner 10, the upper heat exchange tube 42 is connected to the upper end of the heat exchange branch pipe 41, and the lower heat exchange tube 43 is connected to the lower end of the heat exchange branch pipe 41. Specifically, the upper opening 105 and the lower opening 106 of the inner tank 10 are respectively one, the lower heat exchange tube 43 is sealingly connected in the lower opening 106, and the upper end of the lower heat exchange tube 43 is connected to the lower end of the plurality of heat exchange branch tubes 41. The heat exchange tube 42 is sealingly connected in the upper opening 105, and the lower end of the upper heat exchange tube 42 is connected to the upper ends of the plurality of heat exchange branches 41.

Therefore, the flue gas formed by the burner 30 burning the fuel gas such as gas first enters the lower heat exchange tube 43 and is then branched into the plurality of heat exchange branch pipes 41, and then collected into the upper heat exchange through the plurality of heat exchange branch pipes 41. The tube 42 is discharged through the upper heat exchange tube 42 to the volumetric heat exchange device 100. The plurality of heat exchange branch pipes 41 are arranged to enable direct heat exchange between the water in different parts of the inner tank 10 and the heat exchange branch pipe 41, so that the water of the inner tank 10 can be more uniformly exchanged, and at the same time, multiple heat exchanges The branch pipe 41 increases the heat exchange area, thereby increasing the heat exchange capacity, and improving the heat exchange efficiency and the heat exchange effect.

Optionally, the inner wall surface of the junction of the lower heat exchange tube 43 and the heat exchange branch tube 41 can smoothly transition, and the connection between the upper heat exchange tube 42 and the heat exchange branch tube 41 can smoothly transition. Optionally, the lower heat exchange tube 43 and the heat exchange branch tube 41 may be connected by welding or bonding, and the upper heat exchange tube 42 and the heat exchange branch tube 41 may be sealed by welding or bonding.

Similar to the foregoing, in the present embodiment, the plurality of heat exchange branches 41 may include a plurality of peripheral branches 411 and a middle branch 412. For details, refer to the related description above. Optionally, the middle branch pipe 412, the upper heat exchange pipe 42, the lower heat exchange pipe 43, and the water storage chamber 101 are coaxially disposed to further improve the performance of the heated water. Alternatively, the upper portion and the lower portion of each of the heat exchange branch pipes 41 may respectively extend in an arc shape to improve the smoothness of the flow of the flue gas, and facilitate the connection of the upper heat exchange tubes 42 and the lower heat exchange tubes 43.

As shown in FIG. 5 and FIG. 6, the volumetric heat exchanging device 100 according to the embodiment of the present invention may further include a casing 50. The upper portion of the casing 50 is provided with an outer outlet 501, and the outer outlet 501 is connected to the upper heat exchange tube 42 and the outside. The flue gas in the upper heat exchange tube 42 can flow out of the outer casing 50. Further, the upper heat exchange tube 42 may protrude from the outer outlet 501 and be sealingly coupled to the outer casing 50. Therefore, not only the connection is convenient, but also the upper heat exchange tube 42 and the outer casing 50 are reliably connected and have good sealing property, and the air outlet property is good, and the smoke can be prevented from entering and staying in the outer casing 50.

7 and 8 show a positive displacement heat exchanger 100 in accordance with a fourth embodiment of the present invention. As shown in FIG. 7 and FIG. 8, a volumetric heat exchange device 100 according to an embodiment of the present invention includes a liner 10, a combustor casing 20, a burner 30, and a heat exchange pipe, and the heat exchange pipe may include a heat exchange pipe 41. And the main heat exchange tube 44.

The structure in this embodiment is the same as the structure in the first embodiment and the second embodiment, and there are also In the same manner, the same reference numerals are used for the same or similar components. For details, refer to the foregoing description, which will not be described in detail herein. The main differences will be described in detail below.

Specifically, the inner casing 10, the combustor casing 20, the burner 30, the thermostat 110, the outer casing 50, and the like in this embodiment are substantially similar to the previous embodiments and will not be described in detail herein. The embodiment in front of the heat exchange branch pipe 41 in this embodiment is different, and the heat exchange branch pipe 41 and the main heat exchange pipe 44 are mainly described below.

Referring to Figures 7 and 8, the main heat exchange tube 44 is disposed in the water storage chamber 101 of the inner liner 10, and the upper end of the main heat exchange tube 44 is sealedly disposed in the upper opening 105 of the inner liner 10, and the main heat exchange tube 44 is provided. The lower end seal is disposed within the lower opening 106 of the inner liner 10. The heat exchange branch pipe 41 is disposed in the water storage chamber 101, and the lower end of the heat exchange branch pipe 41 communicates with the lower portion of the main heat exchange pipe 44, and the upper end of the heat exchange branch pipe 41 communicates with the upper portion of the main heat exchange pipe 44, and at least the heat exchange branch pipe 41 A portion is formed in a spiral shape surrounding the main heat exchange tube 44.

Therefore, the length of the heat exchange branch pipe 41 in the inner liner 10 is long, and the contact area between the flue gas and the heat exchange branch pipe 41 and the contact area of the heat exchange branch pipe 41 with water can be increased, and the heat exchange of the volumetric heat exchange device 100 is increased. Ability to heat water and increase efficiency.

As shown in FIGS. 7 and 8, the heat exchange branch pipe 41 may be integrally formed in a spiral shape. Thereby, the heat exchange branch pipe 41 is more uniformly distributed in the inner liner 10, the water in the inner liner 10 can be heated more uniformly, and the contact area of the heat exchange branch pipe 41 with water and the flue gas is larger, which can be more fully The heat of the flue gas is transferred to the water to further increase the heating effect and heating efficiency of the water.

Alternatively, as shown in FIGS. 7 and 8, the main heat exchange tube 44 may include an intermediate tube section 441, an upper tube section 442, and a lower tube section 443. The intermediate tube section 441 may be formed as a straight tube, and optionally, the intermediate tube section 441 may extend in a vertical direction. The upper pipe section 442 may be disposed at an upper end of the intermediate pipe section 441 and connected to an upper end of the heat exchange branch pipe 41, and the upper pipe section 442 is sealingly disposed within the upper opening 105. The lower pipe section 443 is provided at the lower end of the intermediate pipe section 441 and is connected to the lower end of the heat exchange branch pipe 41, and the lower pipe section 443 is sealingly disposed in the lower opening 106.

The flow area of the lower pipe section 443 is larger than the flow area of the middle pipe section 441, and the flow area of the upper pipe section 442 is also larger than the flow area of the intermediate pipe section 441. Thereby, it is possible to make the flue gas more easily enter and flow out of the main heat exchange tubes 44, and to facilitate the connection of the heat exchange branch tubes 41 with the main heat exchange tubes 44.

In some embodiments of the invention, the main heat exchange tubes 44 are unitary. That is, the intermediate pipe section 441, the upper pipe section 442, and the lower pipe section 443 may be integrally formed. Thereby, not only the overall sealing property and strength of the main heat exchange tubes 44 but also the assembly efficiency of the volumetric heat exchanging device 100 can be improved.

Optionally, the main heat exchange tube 44, the water storage chamber 101 and the heat exchange branch tube 41 may be disposed coaxially. That is, the central axis of the main heat exchange tube 44, the central axis of the water storage chamber 101, and the rotation axis of the heat exchange branch 41 are arranged in line. Thereby, the efficiency and effect of heating water can be further improved.

As shown in Figures 7 and 8, the main heat exchange tube 44 can be sealingly connected to the outer casing 50 and the upper end of the main heat exchange tube 44 can be The outer outlet 501 of the outer casing 50 projects. Therefore, not only the connection is convenient, the main heat exchange tube 44 and the outer casing 50 are reliably connected and have good sealing performance, and the air outlet property is good, and the smoke can be prevented from entering and staying in the outer casing 50.

The manner of connecting the main heat exchange tubes 44 to the heat exchange branch tubes 41 and the manner of connecting the main heat exchange tubes 44 to the inner tubes 10 are not particularly limited. For example, a bonding method or a method of snapping and sealing the rings may be employed. In some specific examples of the invention, the main heat exchange tubes 44 and the heat exchange tubes 41 are welded together, and the main heat exchange tubes 44 are also welded to the inner tank 10. Thereby, not only the connection is convenient, but also the connection is reliable and the sealing property is good. In other embodiments of the invention, the main heat exchange tubes 44 are integrally formed with the heat exchange manifolds 41. Thereby, the overall sealing property of the heat exchange pipe can be improved, and the assembly efficiency of the volumetric heat exchange device 100 can be improved.

As shown in FIG. 7 and FIG. 8, the lower opening 106 and the upper opening 105 are respectively provided with a flange 102, and the upper end and the lower end of the main heat exchange tube 44 can be respectively connected with the corresponding flange 102 to improve the connection effect. Alternatively, the inner wall surface of the junction of the main heat exchange tube 44 and the heat exchange branch tube 41 can be smoothly transitioned to improve the smoothness of the smoke flow.

The above description has described some embodiments of the volumetric heat exchange device 100 having the heat exchange branch 41. In these embodiments, the positive displacement heat exchanger 100 further includes a main heat exchange tube 44 or an upper heat exchange tube 42 and a lower heat exchange tube 43. At least one of them. Of course, in the embodiment of the present invention, the volumetric heat exchange device 100 may further include only a plurality of heat exchange branch pipes 41, and does not include heat exchange pipes of other structures. At this time, for convenient connection, the upper portion of the inner tank 10 may be A plurality of upper openings 105 are provided to connect with the upper ends of the plurality of heat exchange branch pipes 41. The lower portion of the inner tank 10 can be provided with a plurality of lower openings 106 for connecting with the lower ends of the plurality of heat exchange branch pipes 41, and the heat exchange capability is higher. it is good.

Moreover, the volumetric heat exchange device 100 according to the embodiment of the present invention may further include only the main heat exchange tube 44, and does not include the heat exchange branch tube 41. The volumetric heat exchange including the main heat exchange tube 44 will be described below in connection with the specific embodiment. The device 100 is described in detail. It should be noted that although the schematic diagram of some embodiments does not include the heat exchange branch pipe 41, those skilled in the art can understand that in order to further improve the heat exchange effect, the straight pipe shape or the spiral shape in some embodiments described above may also be used. The heat exchange branch 41 is combined into an embodiment to be described below.

9 to 11 show a volumetric heat exchanging device 100 according to a fifth embodiment of the present invention. As shown in FIG. 9 to FIG. 11, a volumetric heat exchange device 100 according to an embodiment of the present invention includes a liner 10, a combustor casing 20, a burner 30, and a heat exchange pipe, and the heat exchange pipe may include a main heat exchange pipe. 44.

Specifically, a combustion chamber 202 is defined in the combustor casing 20 defining an upper end thereof, and the combustor 30 is disposed in the combustion chamber 202. The inner liner 10 is disposed at an upper end of the combustor casing 20 to close an upper end opening of the combustion chamber 202. A water storage chamber 101 may be defined in the inner casing 10. The upper portion of the inner casing 10 is provided with an upper opening 105, and the upper opening 105 communicates with the water storage chamber 101 and the outside. The lower portion of the inner liner 10 is provided with a lower opening 106 that communicates with the water storage chamber 101 and the combustion chamber 202.

The main heat exchange tube 44 can be disposed in the water storage chamber 101, and the upper end of the main heat exchange tube 44 is sealed and disposed in the upper opening 105. The lower end of the heat exchange tube 44 is hermetically sealed within the lower opening 106. Thereby, the combustion chamber 202 can communicate with the lower end opening of the main heat exchange tube 44 and be separated from the water storage chamber 101, and the upper end opening of the main heat exchange tube 44 can communicate with the outside.

Thus, the burner 30 can burn fuel gas such as gas to generate flue gas, and the flue gas carrying heat can enter the main heat exchange tube 44 through the combustion chamber 202, and the flue gas exchanges heat with the main heat in the main heat exchange tube 44. The heat exchange of the tube 44 can transfer heat to the main heat exchange tube 44, and the main heat exchange tube 44 can transfer the received heat to the water in the water storage chamber 101, thereby realizing heating of the water and reducing the temperature of the flue gas. It can flow out from the main heat exchange tube 44 and flow to the outside.

The inventors of the present application have found that when the flue gas is in contact with the main heat exchange tube 44 having a lower temperature, condensed water is formed on the inner wall surface of the main heat exchange tube 44, particularly in the case of a low ambient temperature or This phenomenon is obvious in the initial stage of the operation of the volumetric heat exchange device 100. The condensed water flows downward along the inner wall of the main heat exchange tube 44 by gravity, and the condensed water drops to the burner 30 when the burner 30 is located below the inner wall surface of the main heat exchange tube 44. On, the combustion situation is worse.

In order to effectively solve this problem, as shown in FIG. 9 to FIG. 11, the volumetric heat exchange device 100 in this embodiment may further include a drain member 70, which may be disposed in the water storage chamber 101 and may exchange heat with the main body. Tubes 44 are connected. The drain member 70 is provided with a water receiving portion 701, and the water receiving portion 701 can be used to receive the condensed water flowing down from the inner wall surface of the main heat exchange tube 44, and the drain port 703 of the drain member 70 extends outward beyond the burner 30. Here, the direction away from the combustion chamber 202 or away from the combustion chamber 202 can be understood outward.

Therefore, when the water received by the water receiving portion 701 flows out from the drain port 703, the condensed water does not flow to the burner 30, thereby effectively preventing the influence of the condensed water on the burner 30, and the burner 30 has a good combustion effect. Achieve stable combustion.

According to the positive displacement heat exchanger 100 of the embodiment of the present invention, the drain member 70 that can receive the condensed water flowing down the inner wall surface of the main heat exchange tube 44 is disposed, and the drain port 703 of the drain member 70 is disposed to extend outward beyond the burner. 30, can effectively avoid the condensation underwater flow to the burner 30, to achieve the purpose of stable combustion, more complete combustion, more heat release, can enhance the heating effect.

It should be noted that the drain member 70 is not limited to being connected to the main heat exchange tube 44, but may be connected to the inner tank 10. For example, when the lower end of the main heat exchange tube 44 does not protrude from the lower opening 106, the drain member 70 may be connected. At the periphery of the lower opening 106, at this time, the water receiving portion 701 can also function to receive the downstream condensed water.

In the embodiment shown in FIGS. 9 to 12, the water receiving portion 701 may be formed as a water receiving groove, and the water receiving groove is formed in a ring shape. Thereby, the water flowing down from the inner peripheral wall of the main heat exchange tube 44 can be received by the water receiving tank, so that the water receiving effect can be better, and the water that is received can be prevented from flowing anywhere. Of course, in the present invention, the water receiving portion 701 is not limited to being formed as a water receiving tank, and may be other structures. For example, the water receiving portion 701 may also be formed as a water-conducting inclined surface extending obliquely downward and outwardly. This will be understood by those skilled in the art and will not be exemplified in detail herein.

Further, as shown in FIG. 9 to FIG. 11 , the drainage member 70 may further be provided with a drainage channel 702, the drainage channel 702 and the water receiving water. The tank is connected to receive the condensed water in the water tank, and the outlet of the drain 702 is the above-mentioned drain 703, and the water in the water tank can flow from the drain 703 through the drain 702, and the drainage effect is better. Alternatively, the drain 702 may extend radially outward of the combustion chamber 202.

Further, the drain 702 may include a plurality of, and the plurality of drains 702 may be spaced apart along the circumferential direction of the sink. Thereby, the water in the water receiving tank can be made to flow out faster, the condensed water can be prevented from accumulating excessively in the water receiving tank, and can be dripped from the edge of the water receiving tank and dripped onto the burner 30, so that condensation can be more effectively avoided. The effect of water on the burner 30.

As shown in FIGS. 9 to 12, the drain member 70 may include a water receiving ring 71 and a drain arm 72. The water receiving ring 71 is connected to the main heat exchange tube 44. In some unillustrated embodiments of the invention, the water receiving ring 71 can also be coupled to the bladder 10. The water receiving tank may be disposed in the water receiving ring 71, the drain arm 72 may extend obliquely downward and outward, and the drain arm 72 may define a drain channel 702 therein. Thus, the drain 702 can be formed substantially in a downwardly extending configuration, the condensed water is more easily discharged through the drain 702, and the drain member 70 of the structure is simpler in structure, uses less material, takes up less space, and is smoked. The interference of gas flow is small.

Further, the drain arm 72 can be formed as a drain. Therefore, the drainage channel 702 has a good sealing property, and it is possible to prevent the condensed water from flowing down from the drainage channel 702 and flowing to the burner 30 before flowing to the water outlet 703 of the drainage channel 702 when the condensed water is large. The effect of condensed water on the burner 30 is effectively avoided.

It is to be understood that the structure of the drain member 70 described above is only some embodiments of the present invention. The structure of the drain member 70 in the present invention is not limited thereto, and may be other structures. For example, the drain member 70 may also be formed as Plate-like structures and the like, which will be understood by those skilled in the art, will not be enumerated here.

Alternatively, the main heat exchange tube 44 and the water storage chamber 101 may be disposed coaxially. Thereby, the main heat exchange tube 44 can preferentially transfer heat to the water located in the middle of the water storage chamber 101, and the heat transferred to the water can be gradually transferred outward, and the heat absorption is good. The main heat exchange tube 44 can be formed as a straight tube having a constant flow area, or can be formed as a reduced diameter tube having a variable flow area, and can be flexibly set according to specific conditions. In addition, when the main heat exchange tube 44 in this embodiment is used in combination with the heat exchange branch 41 in the foregoing embodiment, the main heat exchange tube 44 can be used as the middle branch tube 412, or as the middle branch tube 412 and the upper heat exchange tube 42. A combination with at least one of the lower heat exchange tubes 43 is used.

As shown in FIG. 9 and FIG. 10, in the present embodiment, the volumetric heat exchange device 100 may further include a heat exchange spoiler 60 disposed in the main heat exchange tube 44 and exchanged with the main unit. The heat pipes 44 are connected, and the heat exchange spoiler 60 can disturb the flue gas flowing into the main heat exchange tubes 44, increase the contact time of the flue gas with the main heat exchange tubes 44, and the heat exchange is more sufficient, and the flue gas The heat exchange spoiler 60 can also exchange heat with the heat exchange spoiler 60, and the heat exchange spoiler 60 can transfer the received heat to the main heat exchange tube 44, increase the heat of the main heat exchange tube 44, and improve the heating effect and efficiency of the water. The heat exchange capacity of the volumetric heat exchange device 100 is enhanced.

It will be understood by those skilled in the art that the heat exchange spoiler 60 capable of spoiler and enhanced heat exchange capability in the main heat exchange tube 44 is also described as an example only, and other main heat exchange tubes 44 may be disposed therein. Can act as a turbulent smoke And a spoiler heat exchange structure that enhances heat exchange capability, for example, heat transfer spoiler bumps. That is, a heat exchange spoiler may be disposed in the main heat exchange tube 44 of the volumetric heat exchange device 100 according to the embodiment of the present invention to enhance heat exchange capability.

A description of the heat transfer spoiler will be described in detail below and will not be further described herein. In addition, the structures of the inner casing 10, the combustor casing 20, the burner 30, and the like in this embodiment have the same or similar structures as those in the foregoing embodiments, and the same or similar structures are not described in detail herein. Refer to the foregoing.

12 and 13 illustrate a volumetric heat exchange device 100 in accordance with a sixth embodiment of the present invention. As shown in FIG. 12 and FIG. 13, the volumetric heat exchanging device 100 according to an embodiment of the present invention may include a liner 10, a combustor casing 20, a burner 30, and a heat exchange pipe, and the heat exchange pipe may include a main heat exchanger. Tube 44. Depending on the heat transfer requirements, a heat exchange spoiler, such as a heat exchange spoiler 60, may be selectively disposed in the main heat exchange tube 44 to improve the heat exchange effect. The relevant content of the heat exchanger spoiler will be described in detail below and will not be further explained here.

The structure in this embodiment is the same as the structure in the fifth embodiment, and there are also differences. The same reference numerals are used for the same or similar components. For details, refer to the previous description, and the details are not detailed here. Description, the main differences are described in detail below.

As mentioned above, in some cases, condensed water is formed on the inner wall surface of the main heat exchange tube 44. When the amount of condensed water is large, the condensed water flows downward under the action of gravity; when the amount of condensed water is relatively high When there is little time, the condensed water is subjected to less gravity, and the condensed water adheres to the inner wall surface of the main heat exchange tube 44, so that a water curtain is formed on the inner wall surface of the main heat exchange tube 44, and this layer of water curtain will not only The main heat exchange tube 44 causes damage, for example, corroding the main heat exchange tube 44, and also blocks heat exchange between the flue gas and the main heat exchange tube 44, and the heat in the flue gas is not sufficiently absorbed by the main heat exchange tube 44. The heat exchange efficiency is low, which affects the heating effect on water.

In the present embodiment, at least a portion of the main heat exchange tube 44 may be formed as a reduced diameter tube, and the flow passage area of the reduced diameter tube is decreased in the flow direction of the flue gas. Here, the flow area of the reduced diameter pipe is generally understood to be the cross sectional area (or radial cross sectional area) of the inside of the reduced diameter pipe. When the main heat exchange tube 44 is installed into the water storage chamber 101, at least a portion of the inner wall surface of the neck tube can be inclined obliquely downward, so that the contact area of the condensed water with the inner wall surface of the main heat exchange tube 44 is small, and the condensed water is easier. The downward flow reduces the adhesion on the inner wall surface of the main heat exchange tube 44, and the corrosion effect of the condensed water on the main heat exchange tube 44 can be alleviated, and at the same time, the probability of forming a water curtain on the inner wall surface of the main heat exchange tube 44 Lowering can reduce the influence of condensed water on heat exchange and improve heat exchange efficiency.

At the same time, the necking tube is formed into a structure that is large and small, so that the flow rate of the flue gas in the lower part is slower, the flow rate of the flue gas in the upper part is faster, and the contact time of the flue gas carrying the relatively high heat with the main heat exchange tube 44 is more. Long, it is more conducive to absorbing heat, while the flow rate of the flue gas carrying relatively low heat is more likely to flow out of the outside, further facilitating heat exchange.

According to the volumetric heat exchange device 100 of the embodiment of the present invention, by forming at least a portion of the main heat exchange tube 44 into a reduced diameter pipe, the formation of the water curtain on the main heat exchange pipe 44 can be weakened, the heat exchange efficiency can be improved, and the water can be raised. Heating efficiency and effect, The heat utilization rate is increased, and at the same time, the damage of the main heat exchange tube 44 by the condensed water can be reduced, and the volumetric heat exchange device 100 has a longer service life and more reliable performance.

In some embodiments of the invention, a necked tube may be formed in the upper portion of the main heat exchange tube 44. Thereby, the water curtain formed by the upper portion of the main heat exchange tube 44 can be reduced, and at the same time, the condensed water can be merged with the condensed water attached to the inner wall surface of the main heat exchange tube 44 along the way, which can drive the lower condensation. The water flows downward, and the water curtain appearing on the inner wall surface of the lower portion of the main heat exchange tube 44 can be reduced.

As shown in FIGS. 12 and 13, the main heat exchange tube 44 may be integrally formed as a reduced diameter tube. That is, the flow area of the main heat exchange tubes 44 decreases in the flow direction of the flue gas, that is, from the bottom to the upward direction. Thereby, the inclined portion of the inner wall surface of the main heat exchange tube 44 can be increased, the formation of the water curtain can be further reduced, and the heat exchange efficiency and effect can be improved.

Alternatively, the inner circumferential surface of the reduced diameter pipe may be integrally formed as a slope extending obliquely inwardly upward. That is, in the circumferential direction of the reduced diameter pipe, each position of the inner wall surface is formed as a slope extending obliquely upward and inward in the flow direction of the flue gas. Thereby, the inner wall surface of the necking tube is not easy to form a water curtain, and the flow of the flue gas is more uniform and smooth, and the heat exchange efficiency and effect can be further improved.

In the present invention, the radial cross section of the main heat exchange tube 44 is not particularly limited and may be in various shapes such as a circular ring shape, a polygonal ring shape or a profile shape. When the radial cross section of the main heat exchange tube 44 is formed into a circular shape, it is not only convenient to manufacture, but also has a beautiful appearance, and the flow of the flue gas is more uniform and smooth, and the heat exchange efficiency can be further improved.

14 to 17 show a volumetric heat exchanging device 100 according to a seventh embodiment of the present invention. As shown in FIG. 14 to FIG. 17, the volumetric heat exchanging device 100 according to an embodiment of the present invention may include a liner 10, a combustor casing 20, a burner 30, and a heat exchange flue pipe, and the heat exchange flue pipe may include a main heat exchanger. Tube 44. Depending on the heat transfer requirements, a heat exchange spoiler, such as a heat exchange spoiler 60, may be selectively disposed in the main heat exchange tube 44 to improve the heat exchange effect. The relevant content of the heat exchanger spoiler will be described in detail below and will not be further explained here.

Referring to FIG. 14 to FIG. 17 , in the embodiment, a heat exchange channel 103 may be disposed on a sidewall of the inner liner 10 , and two ends of the heat exchange passage 103 respectively extend to an upper portion and a lower portion of the inner liner 10 and respectively The outside is in communication with the combustion chamber 202. In other words, the upper end of the heat exchange passage 103 extends to the upper portion of the inner liner 10 and communicates with the outside, and the lower portion of the heat exchange passage 103 extends to the lower portion of the inner liner 10 and communicates with the combustion chamber 202.

Therefore, the flue gas generated by the burner 30 can enter not only the main heat exchange tube 44 but also the combustion chamber 202 into the heat exchange passage 103, and the flue gas can exchange heat with the inner tank 10, and the inner tank 10 can Further, heat exchange is performed with the water in the water storage chamber 101, so that the heat of the flue gas can be transferred to the water through the inner tank 10, at this time, in the water storage chamber 101. Water can be heated from both the inside and the outside, the water is more evenly heated and heated faster. At the same time, the side wall of the inner tank 10 can exchange heat with the flue gas, so that the heat exchange area is increased, thereby increasing the heat exchange capacity of the volumetric heat exchange device 100.

According to the positive displacement heat exchanger 100 of the embodiment of the present invention, heat exchange with the combustion chamber 202 is provided on the main heat exchange tube 44 communicating with the combustion chamber 202 and the side wall of the inner liner 10 in the water storage chamber 101. The passage 103 allows the flue gas carrying heat in the combustion chamber 202 to flow out not only through the main heat exchange tube 44 but also through the heat exchange passage 103, so that the flue gas can not only transfer heat through the main heat exchange tube 44 to In the water, the heat can also be transferred to the water through the inner tank 10, the heat exchange area is increased, the heating of the water is more uniform, the heating speed is faster and the heat utilization is more sufficient.

Alternatively, the heat exchange passage 103 can be disposed around the combustion chamber 202. Thereby, the peripheral wall of the inner liner 10 can be directly in contact with the flue gas for heat exchange, and the heat exchange area can be further increased to heat the water more quickly and more uniformly. For example, in some specific examples of the invention, the heat exchange passage 103 is configured to spiral around the combustion chamber 202. For another example, in other specific examples of the invention, the heat exchange passage 103 is configured to surround the annular shape of the combustion chamber 202. These structures can enhance the function of the heating water, and the heat exchange passage 103 can also have the effect of external heat preservation, which can reduce the heat loss.

As shown in FIGS. 14 to 17, the volumetric heat exchanging device 100 according to an embodiment of the present invention may further include a casing 50 in which the inner casing 10 and the combustor casing 20 may be disposed, and the upper portion of the outer casing 50 may be provided with an outer portion. The outlet 501, the outer outlet 501 can communicate with the main heat exchange tube 44 and the outside, or can communicate with the heat exchange passage 103 and the outside, so that the flue gas of the main heat exchange tube 44 and the flue gas in the heat exchange passage 103 can be discharged through the outer outlet 501. The outer casing 50 has good exhaustability.

When the volumetric heat exchange device 100 has the outer casing 50, as an alternative embodiment, the heat exchange passage 103 may be defined by the inner wall surface of the outer casing 50 and the outer wall surface of the inner casing 10, as shown in FIGS. 14 to 16. Thereby, it is not necessary to specifically perform the digging passage on the side wall of the inner liner 10, and the damage to the inner liner 10 can be reduced, and the inner liner 10 has high strength and is also more convenient to manufacture.

Of course, the formation of the heat exchange passage 103 is not limited thereto. For example, the heat exchange passage 103 may be disposed inside the side wall of the inner liner 10, and at this time, the inner liner 10 and the outer casing 50 need not be matched, and the flexibility is stronger. Further, the heat exchange passage 103 is not limited to being defined only by the inner wall surface of the outer casing 50 and the outer wall surface of the inner casing 10, and a part of the heat exchange passage 103 may be defined by the outer casing 50 and the combustor casing 20. That is, in the present invention, the heat exchange passage 103 may be defined at least by the inner wall surface of the outer casing 50 and the outer wall surface of the inner casing 10.

For example, as shown in FIGS. 14 to 16, when the lower portion of the heat exchange passage 103 extends to the combustor casing 20, the lower portion of the heat exchange passage 103 may be defined by the outer wall surface of the combustor casing 20 and the inner wall surface of the outer casing 50. At this time, the side wall of the burner casing 20 may be provided with a vent 201 connecting the combustion chamber 202 and the heat exchange passage 103 so that the flue gas can enter the heat exchange passage 103 through the vent 201. At this time, the length of the heat exchange passage 103 is long, which can increase the heat exchange time and the heat exchange area of the flue gas, and further improve the heat exchange capacity of the volumetric heat exchange device 100.

The number of the vents 201 is not particularly limited and may be one or plural. When the vent 201 includes a plurality of vents 201, the plurality of vents 201 may be spaced apart along the circumference of the combustor casing 20. Thereby, the combustion chamber can be made The flue gas in 202 enters the heat exchange passage 103 more quickly and uniformly, which can further improve the heat exchange capacity of the volumetric heat exchange device 100, and the timely outflow of the flue gas can also promote the combustion of the combustor 30. The shape of the vent 201 is not particularly limited. Alternatively, the vent 201 may be formed as a circular hole, a polygonal hole or a shaped hole or the like.

In the present embodiment, as shown in FIGS. 14 to 17, the outer casing 50 may include an inner casing 51 and an outer casing 52. The outer casing 52 is disposed on the outer side of the inner casing 51, and the outer casing 52 may be provided with a mounting opening 521. As shown in FIG. 17, the upper end of the inner casing 51 can be sealingly connected in the mounting opening 521, and the outer outlet 501 can be disposed at the upper end of the inner casing 51, and the outer peripheral surface of the upper end of the main heat exchange tube 44 and the outer opening. The perimeter walls are spaced apart.

Thereby, the outer outlet 501 is not completely sealed by the main heat exchange tube 44, and a gap communicating with the heat exchange passage 103 can be formed, so that the flue gas of the heat exchange passage 103 can flow out of the outer casing 50, and at the same time, the main heat exchange tube 44 The flue gas can flow out of the outer casing 50 through its upper end opening, the flue gas is discharged more smoothly, and the outer casing 52 is sealed with the inner casing 51 to prevent the flue gas from entering between the inner casing 51 and the outer casing 52, thereby avoiding Smoke is accumulated in the outer casing 50.

Further, as shown in FIG. 17, the upper end of the inner casing 51 may extend into the mounting opening 521, and the outer peripheral surface of the upper end of the inner casing 51 is sealingly connected to the outer casing 52, and the sealing connection may be a connection such as welding or bonding. the way. The outer outlet 501 may be disposed on a portion of the inner casing 51 that projects into the mounting opening 521, and the upper end of the main heat exchange tube 44 may be gap-fitted in the outer outlet 501. Thereby, the upper end of the main heat exchange tube 44 and the upper end of the housing 50 can form a sleeve-like structure, and the connection effect is good.

In order to improve the heat preservation effect, an insulation layer may be disposed between the inner casing 51 and the outer casing 52, and the heat insulation layer may reduce the heat loss in the inner tank 10, so that the hot water in the inner tank 10 is not easily cooled. For the insulation layer, there is no specific restriction, and different materials can be flexibly selected according to the specific conditions for heat preservation.

18 and 19 illustrate a volumetric heat exchange device 100 in accordance with an eighth embodiment of the present invention. As shown in FIG. 18 to FIG. 19, the volumetric heat exchange device 100 according to an embodiment of the present invention may include a liner 10, a combustor casing 20, a burner 30, and a heat exchange pipe, and the heat exchange pipe may include a main heat exchanger. Tube 44. Similar to the foregoing embodiment, the present embodiment can selectively provide a heat exchange spoiler, for example, a heat exchange spoiler 60, in the main heat exchange tube 44 to improve the heat exchange effect, depending on the heat exchange requirements. The relevant content of the heat exchanger spoiler will be described in detail below and will not be further explained here.

The structure in this embodiment is the same as the structure in the seventh embodiment, and there are also differences. The same reference numerals are used for the same or similar components. For details, refer to the previous description, and the details are not detailed here. description. The main differences are described in detail below.

Referring to FIGS. 18 and 19, in the present embodiment, a heat exchange passage 103 is also disposed on the side wall of the inner casing 10, and the upper end of the heat exchange passage 103 extends to the upper portion of the inner liner 10, and the lower end of the heat exchange passage 103 The structure of the heat exchange channel 103 can be referred to the description of the previous embodiment, and details are not described herein again.

Different from the seventh embodiment, the volumetric heat exchange device 100 of the present embodiment further includes an air passage 104, an air passage. 104 is disposed at the bottom of the inner liner 10 and extends into the water storage chamber 101. One end of the air passage 104 communicates with the combustion chamber 202, and the other end of the air passage 104 communicates with the lower portion of the heat exchange passage 103, and the upper portion of the heat exchange passage 103 communicates with the outside.

Thereby, the flue gas in the combustion chamber 202 can not only enter the main heat exchange tube 44, but also exchange heat with the water in the inner tank 10 through the main heat exchange tube 44, and can also enter the heat exchange passage through the air passage 104. Within 103, and through the heat exchange channel 103 out of the outside world. Since the air passage 104 extends into the water storage chamber 101, the flue gas entering the air passage 104 is better exchanged heat with the water in the water storage chamber 101 through the inner tank 10, and the heat exchange area is larger, and the water is heated. The effect is better, after which the flue gas entering the heat exchange passage 103 can continue to exchange heat with the side wall of the liner 10 and transfer heat to the water through the liner 10.

At this time, the water in the water storage chamber 101 can be heated from the inside, the outside, and the bottom at the same time, the water is more uniformly heated, and the heating is faster. At the same time, the side and the bottom of the inner liner 10 can exchange heat with the flue gas, so that the heat exchange area is increased, thereby increasing the heat exchange capacity of the volumetric heat exchange device 100.

According to the volumetric heat exchanging device 100 of the embodiment of the present invention, the heat exchange passage 103 and the inner tank are disposed on the side wall of the inner liner 10 by providing the main heat exchange tube 44 communicating with the combustion chamber 202 in the water storage chamber 101. The bottom portion of the 10 is disposed to communicate with the combustion chamber 202 and the heat exchange passage 103 and extends into the air passage 104 in the water storage chamber 101, so that the flue gas carrying heat in the combustion chamber 202 can not only flow out through the main heat exchange tube 44, but also pass through After the air passage 104 flows out through the heat exchange passage 103, the flue gas can not only transfer heat to the water through the main heat exchange tube 44, but also transfer heat to the water through the inner tank 10, and the heat exchange area is increased, and the water is heated. More uniform, faster heating and more efficient heat utilization.

As shown in Fig. 18, the air passage 104 may be formed in a U-shape with an open downward direction, that is, the air passage 104 has a rising flue and a descending flue. Therefore, the flue gas in the combustion chamber 202 can rise and then fall in the air passage 104 and then flow into the heat exchange passage 103, the flue gas flows more smoothly, and the contact area between the flue gas and the inner liner 10 can be further increased. Further improve the heating effect and efficiency of water.

Further, the top wall surface of the air passage 104 may be formed in an arc shape. As a result, the transition from the ascending flue to the descending flue is more gradual, and the rising flue gas is more easily converted into the descending flue of the air passage 104, and the flue gas flows more smoothly and the noise is less.

Of course, in the present invention, the shape of the air passage 104 is not limited to a U shape, and may be other tortuous shapes, for example, an S shape, which will be understood by those skilled in the art and will not be described in detail herein.

As shown in FIG. 18 and FIG. 19, the bottom wall of the inner casing 10 may be recessed into the water storage chamber 101 to form a lower slot, and the lower slot opening may face the combustion chamber 202, and the volumetric heat exchange device 100 may further include a partition. The member 80, the partition member 80 may be disposed in the combustion chamber 202, and the upper end of the partition member 80 may extend into the lower slot to separate the lower slot to form the air passage 104. Thus, not only is it convenient to manufacture, but the partition 80 can also separate the combustion chamber 202 such that the combustion chamber 202 and the lower slot can form a larger sized air passage 104 under the partition of the partition member 80 for better gas flow. Conducive to heat exchange.

The spacer 80 may be formed in a plurality of types. Alternatively, in the embodiment shown in FIGS. 18 and 19, the spacer 80 is a ring. The plate is formed and the partition 80 can extend downward beyond the burner 30, that is, the level of the lower end of the partition 80 is not higher than the level of the lower end of the burner 30. Thereby, the partitioning member 80 can enclose the burner 30 from the outside, not only can protect the burner 30, but also can more fully separate the combustion chamber 202, further lengthen the length of the air passage 104, and make the flue gas more It is easy to flow upwards, and subsequent heat exchange is performed to prevent the smoke from accumulating in the combustion chamber 202.

Alternatively, the heat exchange passage 103 can be disposed around the combustion chamber 202. Thereby, the peripheral wall of the inner liner 10 can be directly in contact with the flue gas for heat exchange, and the heat exchange area can be further increased to heat the water more quickly and more uniformly. Further, the air passage 104 may include a plurality of air passages 104 that may be spaced apart along the circumference of the inner liner 10. Thereby, the flue gas in the combustion chamber 202 can enter the heat exchange passage 103 through the plurality of air passages 104 at the same time, the flue gas flow is more uniform and fast, and the heat exchange capacity can be further improved, and at the same time, the air passage 104 occupies the inner tank 10 There is not much space at the bottom, and the volume of the liner 10 is less affected.

As shown in FIGS. 18 and 19, when the air passages 104 are formed to be spaced apart in the circumferential direction of the inner casing 10, the partitioning member 80 may be formed as an annular plate, and specifically, the partitioning member 80 includes an annular body and a plurality of a partitioning plate, the annular body is disposed in the combustion chamber 202 and the upper end is connected to the bottom wall of the inner casing 10, and the plurality of dividing plates are spaced apart from the upper end of the annular body and project into the plurality of lower slots one by one to separate Each under slot. Thereby, not only the separation effect is good, but also the spacer 80 is mounted reliably.

20 to 23 show a volumetric heat exchanging device 100 according to a ninth embodiment of the present invention. As shown in FIG. 20 to FIG. 23, the volumetric heat exchanging device 100 according to an embodiment of the present invention may include a liner 10, a combustor casing 20, a burner 30, and a heat exchange pipe, and the heat exchange pipe may include a main heat exchanger. Tube 44.

As shown in FIG. 20 to FIG. 23, in the present embodiment, the main heat exchange tube 44 may be provided with an elongated heat exchange spoiler 60, and the heat exchange spoiler 60 is connected to the main heat exchange tube 44. The heat exchange spoiler 60 can disturb the flue gas flowing into the main heat exchange tube 44, increase the contact time of the flue gas with the main heat exchange tube 44, and the heat exchange is more sufficient, and the flue gas can also be exchanged with the heat exchange. The spoiler 60 performs heat exchange, and the heat exchange spoiler 60 can transfer the received heat to the main heat exchange tube 44, increase the heat of the main heat exchange tube 44, and improve the heating effect and efficiency of the water.

It can be understood that, in order to achieve heat exchange with the flue gas and spoiler of the flue gas, the main heat exchange tube 44 is not limited to the heat exchange spoiler 60, for example, a heat transfer spoiler protrusion may be disposed. This will be understood by those skilled in the art. That is to say, in the present invention, a heat exchange spoiler capable of heat exchange with the flue gas and spoiling the flue gas may be disposed in the main heat exchange tube 44 to enhance the heat exchange capacity and improve the heating efficiency of the water. And effects.

According to the positive displacement heat exchanger 100 of the embodiment of the present invention, by providing a heat exchange spoiler in the main heat exchange tube 44, The heat spoiler can transfer more heat in the flue gas to the water in the water storage chamber 101, improve the heating efficiency and effect on the water, and improve the heat utilization rate.

Optionally, as shown in FIG. 20 to FIG. 23, the heat exchange spoiler 60 may include a plurality of heat exchange spoilers 60 which may be disposed along the circumferential direction of the main heat exchange tube 44, and each heat exchange The outer end of the spoiler 60 may be connected to the main heat exchange tube 44, and the inner ends of the plurality of heat exchange spoilers 60 are spaced apart from each other. Thus, a peripheral venting passage 401 may be formed between the adjacent two heat exchange spoilers 60, and the main heat exchange tube 44 may be divided into a plurality of peripheral venting passages 401 in the circumferential direction, and the main heat exchange tubes 44 The central portion may generally define a central venting passage 402 that is in communication with each of the peripheral venting passages 401. In this way, a part of the flue gas can flow directly from the bottom to the top through the central venting passage 402 to discharge the outside, and another part of the flue gas can flow in the peripheral venting passage 401, the flue gas flows more uniformly, and the heat exchange capacity is improved.

As shown in FIG. 22, each of the heat exchange spoilers 60 may extend in the radial direction of the main heat exchange tubes 40, that is, the extending direction of each of the heat exchange spoilers 60 passes through the central axis of the main heat exchange tubes 40. . Thereby, the heat exchange spoiler 60 has a better separation effect on the main heat exchange tubes 44, the smoke distribution is more uniform, and the flow is smoother.

Further, each of the heat-exchange spoilers 60 may be provided with a plurality of spoiler holes 601, and the plurality of spoiler holes 601 may be spaced apart along the axial direction of the main heat exchange tubes 44. Thereby, the two adjacent peripheral ventilation channels 401 can communicate through the plurality of spoiler holes 601, and the flue gases in the adjacent two peripheral ventilation channels 401 can communicate with each other, and mixed flow occurs, and the spoiler of the heat exchange spoiler 60 is generated. More sexual. As shown in FIG. 20 and FIG. 23, the flow path of the flue gas in the main heat exchange tube 44 is more complicated, has a vortex effect, increases the synergistic effect of the velocity field and the temperature field, and also increases the residence time of the flue gas, thereby increasing The heat exchange capacity, and also allows the flue gas to be more evenly distributed in the main heat exchange tube 44, so that the hot water in the inner tank 10 is more evenly heated, thereby further improving the heat exchange capacity.

As shown in FIGS. 20 to 23, each of the heat exchange spoilers 60 may include a spoiler body 61 and heat exchange fins 62, respectively. The outer end of the spoiler body 61 may be connected to the main heat exchange tube 44, and the spoiler 601 may be provided on the spoiler body 61. The heat exchange fins 62 may include a plurality of heat exchange fins 62 connected one by one to the upper edges of the plurality of spoiler holes 601. That is, the plurality of heat exchange fins 62 are in one-to-one correspondence with the plurality of spoiler holes 601, and each of the heat exchange fins 62 is disposed on the upper edge of the corresponding spoiler hole 601.

The angle θ between each heat exchange fin 62 and the flow direction of the flue gas is greater than or equal to 90 degrees and less than 180 degrees. Here, the flow direction of the flue gas can be understood as the flow direction of the entire flue gas. Generally, the flow direction of the flue gas is a bottom-up direction, as shown in FIG. That is, the heat exchange fins 62 are inclined obliquely downward with respect to the vertical direction.

Thereby, the flue gas flowing between the adjacent two peripheral venting passages 401 can form a larger vortex at the upper and lower sides of the end portion of the heat exchange fin 62 when flowing through the end portion of the heat exchange fin 62. It can increase the synergistic effect of the velocity field and the temperature field, and can also increase the flue gas residence time, thereby enhancing the heat exchange capacity of the flue gas with the main heat exchange tube 44 and the spoiler heat exchange sheet, and at the same time further improving the smoke distribution. The uniformity makes the hot water of the inner tank 10 more uniform in heat, further improving the heat exchange capacity.

Further, the angle θ between each heat exchange fin 62 and the flow direction of the flue gas may range from 120 degrees to 150 degrees. Degree (including two endpoint values). For example, the angle θ between each heat exchange fin 62 and the direction of flow of the flue gas may be 135 degrees.

As shown in FIGS. 20 to 23, in the direction of flow of the flue gas, adjacent two heat exchange fins 62 on each of the heat exchange spoilers 60 are respectively disposed on the main heat exchange tubes 44 of the spoiler body 61. Both sides of the week. Thus, in the flow direction of the flue gas, each of the heat-exchange spoiler 60 can form a structure in which the heat-exchange fins 62 on the circumferential side and the heat-exchange fins 62 on the other side of the circumference are disposed, The turbulence effect of the flue gas is better.

Optionally, as shown in FIG. 20 and FIG. 23, the number of the heat exchange fins 62 on the plurality of heat exchange spoilers 60 is the same and the heights are equal to one another, in the circumferential direction of the main heat exchange tube 44, adjacent The heat exchange fins 62 on the two heat exchange spoilers 60 are disposed on the same side of the corresponding spoiler body 61. For example, it is assumed that two heat-exchange spoilers 60 adjacently arranged in the circumferential direction of the heat-exchange sheet are a spoiler one and a spoiler two, respectively, and the heat-exchange fins 62 on the spoiler one are disposed on the spoiler A spoiler body 61 is disposed on a side of the main heat exchange tube 44 in the circumferential direction facing away from the spoiler 2, and a heat exchange fin 62 on the spoiler 2 is disposed on the spoiler body 61 of the spoiler 2. In the circumferential direction of the main heat exchange tube 44, it faces the side of the spoiler one.

Thereby, the flue gas can realize eddy current in the main heat exchange tube 44 without turbulent flow, and can improve the heat exchange between the flue gas and the main heat exchange tube 44 and the heat exchange spoiler 60, and at the same time, can ensure heat exchange. The flue gas can be discharged upward in time to avoid long-term retention in the main heat exchange tube 44, and the flue gas has good fluidity.

The volumetric heat exchange device 100 according to an embodiment of the present invention has been described above. It will be understood that the structures in the volumetric heat exchange device 100 of the embodiments described above may be arbitrarily combined with each other without contradiction, and may not be provided separately in a particular embodiment as described. . For example, the drain member 70 of the volumetric heat exchanging device 100 of the fifth embodiment can also be incorporated into the volumetric heat exchanging device 100 of the sixth to ninth embodiments.

It will be understood by those skilled in the art that the volumetric heat exchange device 100 according to the embodiment of the present invention may further be provided with a water inlet and a water outlet communicating with the water storage chamber 101 to facilitate water inflow and water discharge. Further, an inlet pipe 120 communicating with the water storage chamber 101 may be disposed at the water inlet, and an outlet pipe 130 communicating with the water storage chamber 101 may be disposed at the water outlet to facilitate connection with other external devices.

Other configurations and operations of the volumetric heat exchange device 100 in accordance with embodiments of the present invention will be apparent to those of ordinary skill in the art and will not be described in detail herein.

24 and 25 illustrate a heat exchange spoiler 60 in accordance with one embodiment of the present invention, and FIGS. 26 and 27 further illustrate the installation of the heat exchange spoiler 60 on a volumetric heat exchange device 100. . It can be understood that the heat exchange spoiler 60 according to the embodiment of the present invention is not limited to being mounted to the volumetric heat exchanging device 100 shown in FIG. 26, but may also be provided with the volumetric heat exchange described in some embodiments above. Within device 100.

Moreover, the heat exchange spoiler 60 according to an embodiment of the present invention may be disposed on a volumetric heat exchange device of another configuration. For example, in some specific examples, the heat exchange spoiler 60 can also be mounted to a volumetric heat exchange device that does not have a burner or that is not disposed below the liner, in this case, in a volumetric heat exchange device Lower end of heat exchange pipe and other The smoke supply device capable of supplying the flue gas carrying the heat is connected, and the heat exchange spoiler 60 is disposed in the heat exchange pipe. At this time, the volumetric heat exchange device can also use the flue gas to heat the water.

The heat exchange spoiler 60 according to an embodiment of the present invention will be further described in detail below with reference to FIGS. 24 through 27.

As shown in FIGS. 24 to 27, the heat exchange spoiler 60 according to an embodiment of the present invention may include a spoiler body 61 and a plurality of heat exchange fins 62, and the spoiler body 61 may be formed in an elongated shape. The spoiler body 61 may be provided with a plurality of spoiler holes 601, and the plurality of spoiler holes 601 may be spaced apart along the longitudinal direction of the spoiler body 61. Both ends of the spoiler body 61 may be formed as a smoke end and a back smoke end, respectively, when the heat exchange spoiler 60 is mounted to the heat exchange pipe, for example, in the main heat exchange tube 44 as shown in FIG. In the flow direction of the flue gas, the upstream end of the spoiler body 61 is the smoke end, and the downstream end of the spoiler body 61 is the back smoke end. In Fig. 26, the flow direction of the flue gas is from bottom to top. Therefore, the lower end of the spoiler main body 61 is the smoke-receiving end, and the upper end of the spoiler main body 61 is the back smoke end.

Thus, when the spoiler body 61 is installed into the main heat exchange tube 44, the inside of the main heat exchange tube 44 can be partitioned so that the flue gas is more evenly distributed in the main heat exchange tube 44, and at the same time, the spoiler The spoiler hole 601 on the main body 61 can communicate with the space on both sides of the main heat exchange tube 44, so that the flue gas flows on both sides, increasing the residence time of the flue gas, thereby increasing the heat exchange capacity.

Further, the plurality of heat exchange fins 62 are connected one by one to the edges of the plurality of spoiler holes 601 adjacent to the back smoke end, that is, the plurality of heat exchange fins 62 correspond to the plurality of spoiler holes 601. Each of the heat exchange fins 62 is disposed on a side of the corresponding spoiler hole 601 that is closer to the back smoke end. Each of the heat exchange fins 62 may extend obliquely away from the spoiler body 61 and in the direction toward the smoke end. That is, each of the heat exchange fins 62 is disposed obliquely with respect to the spoiler body 61, and the free end of the heat exchange fins 62 (ie, the end away from the back smoke end) is away from the spoiler body 61, so that the heat exchange fins 62 It can form a certain angle with the spoiler body 61.

When the spoiler body 61 is mounted into the main heat exchange tube 44, the heat exchange fins 62 are inclined obliquely downward, and may be at the end of the heat exchange fins 62 when the flue gas flows through the ends of the heat exchange fins 62. Forming a vortex on the upper back surface can increase the synergistic effect of the velocity field and the temperature field, and can further increase the flue gas residence time, enhance the heat exchange capacity of the flue gas with the main heat exchange tube 44 and the heat exchange spoiler 60, and further Improve the uniformity of the distribution of the flue gas, so that the hot water in the inner tank 10 is more evenly heated, further improving the heat exchange capacity.

According to the heat-exchange spoiler 60 of the embodiment of the present invention, a plurality of spoiler holes 601 are spaced apart in the longitudinal direction of the spoiler body 61 and oblique heat-exchange fins are provided at the edge of the spoiler hole 601 adjacent to the back smoke end. The film 62 can improve the turbulence effect on the flue gas, and the smog can be vortexed in the heat exchange pipe, and the distribution is more uniform, and the heat exchange capacity between the heat exchange pipe and the heat exchange spoiler 60 and the flue gas can be enhanced. The heat exchange pipe and the heat exchange spoiler 60 can more fully absorb the heat of the flue gas, and the heating ability of the volumetric heat exchange device 100 for water can be improved.

The angle α formed between the heat exchange fins 62 and the spoiler body 61 is not particularly limited. Alternatively, according to some embodiments of the present invention, the angle between the heat exchange fins 62 and the spoiler body 61 is selected. α can be 30 degrees to 60 degrees (including both ends) Point value), the spoiler and heat transfer effect is good. For example, in one specific example of the present invention, the angle between the heat exchange fin 62 and the spoiler body 61 is 30 degrees, 45 degrees, 50 degrees, or the like.

As shown in FIG. 24, the spoiler body 61 may include a main spoiler section 611 and a mounting section 612. The main spoiler section 611 may be provided with a spoiler hole 601 and a heat exchange fin 62. One end of the mounting section 612 is connected to one end of the main spoiler section 611, the other end of the mounting section 612 is formed as a back smoke end, and the mounting section 612 can be provided with a mounting portion 6121. The width of the mounting section 612 may be greater than the width of the main spoiler section 611. Thus, when the heat-exchange spoiler 60 is mounted to the main heat exchange tube 44, the main spoiler section 611 is relatively smaller in size, easier to place into the main heat exchange tube 44, and can be passed through the mounting section 612 and the main The heat exchange tubes 44 are connected, and the connection operation is more convenient.

Optionally, as shown in FIG. 24 and FIG. 25, in the embodiment, the mounting portion 6121 can be formed as a slot opening toward the cigarette end, the slot can include two, and the two slots can be respectively installed. The segment 612 protrudes from both ends of the main spoiler segment 611. Thus, the mounting section 612 can be inserted into the upper end of the main heat exchange tube 44 through two slots. The assembled state can be referred to FIG. 17, and the heat exchange spoiler 60 can be hung in the main heat exchange tube 44 for installation. Secure and easy to disassemble.

It should be noted that the structure of the mounting portion 6121 shown in FIG. 24 and FIG. 25 is only described as an example. In the present invention, the structure of the mounting portion 6121 is not particularly required as long as the heat transfer spoiler can be realized. The requirement of fixing to the main heat exchange tube 44 may be 60. For example, the mounting portion 6121 may be formed as a snap-fit structure or the like.

With continued reference to FIGS. 24 and 25, in the width direction of the main spoiler section 611, the two side edges of the main spoiler section 611 may be provided with a flange 6111, respectively. When the heat-exchange spoiler 60 is disposed in the main heat exchange tube 44, the flange 6111 can enhance the strength of the heat-exchange spoiler 60, prevent the heat-exchange spoiler 60 from being bent, and is more reliable to use, and at the same time, the flange 6111 It is also possible to further separate the internal space of the main heat exchange tube 44, and further improve the heat exchange performance of the heat exchange spoiler 60. Further, the bending directions of the flanges 6111 on the both side edges of the main spoiler section 611 may be reversed as shown in FIG. Therefore, both sides of the main spoiler section 611 can have a flange 6111, which can further improve the overall strength and heat exchange capacity of the heat exchanger spoiler 60.

Optionally, the degree of bending of the flange 6111 relative to the spoiler body 61 can be flexibly set according to a specific situation, which is not specifically limited in the present invention. As shown in FIG. 27, the flange 6111 can be extended into an arc shape, and the curved flange 6111 can further enhance the eddy current of the flue gas, further improving the heat exchange capability of the heat exchange spoiler 60 and the flue gas.

As shown in FIG. 24, the spoiler body 61 may be provided with a plurality of lightening holes 6112. Thereby, not only the amount of material of the heat-exchange spoiler 60 can be reduced, but also the cost can be reduced, and at the same time, the temperature of the heat-exchange spoiler 60 can be prevented from being excessively high. The shape of the lightening hole 6112 is not particularly limited, and may be formed into a circle, a polygon, or a profile. Optionally, two lightening holes 6112 may be disposed between any two adjacent spoilers 601, and the two lightening holes 6112 may be spaced apart along the width direction of the spoiler body 61. Thereby, the arrangement of the light reducing holes 6112 is more reasonable, and the overall strength and stability of the spoiler body 61 are less affected.

The heat exchange spoiler 60 according to the embodiment of the present invention can make the heat exchange fins 62 and the spoiler 601 in actual manufacture. The shape and size are the same. That is, the heat exchange fins 62 may completely cover the spoiler holes 601. The heat-exchange spoiler 60 of this structure can be formed by stamping, first punching out the spoiler hole 601, and then bending the material originally at the position of the spoiler hole 601 with respect to the spoiler body 61, which is convenient to manufacture.

As shown in FIG. 24, the edge of the heat exchange fin 62 which is not connected to the spoiler main body 61 is formed in an arc shape. Thereby, the edges of the heat exchange fins 62 are relatively rounded, and the heat exchange fins 62 can be formed substantially in a semicircular shape, which not only improves the mountability, but also enhances the spoiler effect on the flue gas. Of course, in the present invention, the shape of the heat exchange fins 62 is not limited thereto, and for example, it may be formed in a square shape as shown in FIG.

In some embodiments of the invention, the heat exchange spoiler 60 is a unitary piece. Thereby, not only the overall strength and structural stability of the heat-exchange spoiler 60 can be improved, but also the molding and manufacturing are simple, and the assembly efficiency of the volumetric heat exchange device 100 can be improved.

Other configurations and operations of the heat-exchange spoiler 60 in accordance with embodiments of the present invention will be apparent to those of ordinary skill in the art and will not be described in detail herein.

The water heater according to an embodiment of the present invention may include the volumetric heat exchanging device 100 according to an embodiment of the present invention, and may also include the heat exchange spoiler 60 according to an embodiment of the present invention. Since the volumetric heat exchange device 100 and the heat exchange spoiler 60 according to the embodiments of the present invention have the above-described advantageous technical effects, respectively, the heat exchange capability of the water heater according to the embodiment of the present invention is improved, and the ability to heat water is better.

Other configurations and operations of water heaters in accordance with embodiments of the present invention will be apparent to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

In the description of the present specification, the description of the terms "embodiment" or "example" or the like means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. . In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

Claims

A volumetric heat exchange device, comprising:

a burner housing defining a combustion chamber having an open upper end;

a burner disposed in the combustion chamber to generate flue gas;

a tank, the inner tank is disposed at an upper end of the burner shell, the inner tank defines a water storage chamber, and an upper portion of the water storage chamber has an upper opening communicating with the outside, and a lower portion of the water storage chamber Having a lower opening in communication with the combustion chamber, the side wall of the inner tank is provided with heat exchange passages extending at two ends to the upper and lower portions of the inner tank respectively and communicating with the outside and the combustion chamber respectively;

a main heat exchange tube, the main heat exchange tube is disposed in the water storage chamber, an upper end of the main heat exchange tube is sealed and disposed in the upper opening, and a lower end of the main heat exchange tube is sealed in the Inside the lower opening.
The positive displacement heat exchanger according to claim 1 wherein said heat exchange passage is disposed around said combustion chamber.
The volumetric heat exchange device according to claim 1 or 2, further comprising:

An outer casing, the inner casing and the burner casing are disposed in the outer casing, and an upper portion of the outer casing is provided with an outer outlet connecting the main heat exchange tube and the outside and the heat exchange passage and the outside, the exchange The hot aisle is defined by at least an inner wall surface of the outer casing and an outer wall surface of the inner casing.
The volumetric heat exchanging apparatus according to claim 3, wherein a lower portion of said heat exchange passage extends to said combustor casing and is defined by an outer wall surface of said combustor casing and an inner wall surface of said outer casing The side wall of the burner casing is provided with a vent opening connecting the combustion chamber and the heat exchange passage.
The positive displacement heat exchanger according to claim 4, wherein said vent includes a plurality of circumferentially spaced apart said burner casings.
The volumetric heat exchanging device according to claim 3, wherein the outer casing comprises an inner casing and an outer casing, the outer casing being disposed outside the inner casing and provided with a mounting opening, the inner casing The upper end of the body is sealingly connected in the mounting opening and is provided with the outer outlet, and an outer peripheral surface of the upper end of the main heat exchange tube is spaced apart from an inner peripheral wall surface of the outer opening.
The volumetric heat exchanging device according to any one of claims 1 to 6, wherein the main heat exchange tube is disposed coaxially with the water storage chamber.
The volumetric heat exchanging device according to any one of claims 1 to 7, wherein a bottom wall of the inner tank is formed in an upwardly concave arc shape, and the lower opening is provided at a bottom of the inner tank. The middle of the wall.
A positive displacement heat exchanger according to any one of claims 1-8, wherein said main heat exchange tube and said inner tube are welded together.
The volumetric heat exchanging device according to any one of claims 1 to 9, further comprising: temperature control The thermostat extends into a lower portion of the water storage chamber and is electrically connected to the burner.
The volumetric heat exchange device according to any one of claims 1 to 10, further comprising:

a heat exchange spoiler, the heat exchange spoiler being disposed in the main heat exchange tube and connected to the main heat exchange tube.
The volumetric heat exchange device according to claim 11, wherein the heat exchange spoiler comprises:

a spoiler body extending along an axial direction of the main heat exchange tube and connected to the main heat exchange tube, wherein the spoiler body is provided with a plurality of intervals along the longitudinal direction thereof Spoiler hole

a plurality of heat exchange fins, wherein the plurality of heat exchange fins are connected to the upper edges of the plurality of spoiler holes one by one, each of the heat exchange fins being downward and away from the spoiler The direction of the body extends obliquely.
A water heater characterized by comprising the volumetric heat exchange device according to any one of claims 1-12.
A volumetric heat exchange device, comprising:

a burner housing defining a combustion chamber having an open upper end;

a burner disposed in the combustion chamber to generate flue gas;

a tank, the inner tank is disposed at an upper end of the burner shell, the inner tank defines a water storage chamber, and an upper portion of the water storage chamber has an upper opening communicating with the outside, and a lower portion of the water storage chamber a lower opening communicating with the combustion chamber, the side wall of the inner tank is provided with heat exchange passages extending from the two ends to the upper and lower portions of the inner tank, and the bottom of the inner tank is provided with an extension to the bottom An air passage in the water storage chamber and respectively communicating with the combustion chamber and a lower portion of the heat exchange passage, wherein an upper portion of the heat exchange passage is in communication with the outside;

a main heat exchange tube, the main heat exchange tube is disposed in the water storage chamber, an upper end of the main heat exchange tube is sealed and disposed in the upper opening, and a lower end of the main heat exchange tube is sealed in the Inside the lower opening.
The positive displacement heat exchanger according to claim 14, wherein the air passage is formed in a U shape with an opening downward.
The positive displacement heat exchanger according to claim 15, wherein the top wall surface of the air passage is formed in an arc shape.
The volumetric heat exchange device according to claim 15 or 16, further comprising:

a partitioning member, wherein a bottom wall of the inner tank is recessed into the water storage chamber to form a lower slot, the partition member is disposed in the combustion chamber and an upper end extends into the lower slot to separate the ventilation The separator is connected to at least one of the inner casing and the burner casing.
A positive displacement heat exchanger according to claim 17 wherein said divider is an annular plate and extends downwardly beyond said burner.
The positive displacement heat exchanger according to any one of claims 14 to 18, wherein the heat exchange passage is disposed around the combustion chamber.
The positive displacement heat exchanger according to claim 19, wherein said air passage includes a plurality of spaced apart circumferentially of said inner casing.
The volumetric heat exchanger according to any one of claims 14 to 20, further comprising:

An outer casing, the inner casing and the burner casing are disposed in the outer casing, and an upper portion of the outer casing is provided with an outer outlet connecting the main heat exchange tube and the outside and the heat exchange passage and the outside, the exchange The hot aisle is defined by at least an inner wall surface of the outer casing and an outer wall surface of the inner casing.
A positive displacement heat exchanger according to claim 21, wherein a lower portion of said heat exchange passage extends to said burner casing and is defined by an outer wall surface of said burner casing and an inner wall surface of said outer casing The side wall of the burner casing is provided with a vent opening connecting the combustion chamber and the heat exchange passage.
The positive displacement heat exchanger according to claim 22, wherein said vent includes a plurality of spaced apart circumferentially of said combustor casing.
The positive displacement heat exchanger according to any one of claims 14 to 23, wherein the main heat exchange tube is disposed coaxially with the inner casing.
The volumetric heat exchanging device according to any one of claims 14 to 24, wherein a bottom wall of the inner tank is formed in an upwardly concave arc shape, and the lower opening is provided at a bottom of the inner tank. The middle of the wall.
A positive displacement heat exchanger according to any one of claims 14 to 25, wherein said main heat exchange tube and said inner tube are welded together.
The volumetric heat exchanger according to any one of claims 14 to 26, further comprising:

a heat exchange spoiler, the heat exchange spoiler being disposed in the main heat exchange tube and connected to the main heat exchange tube.
The volumetric heat exchange device according to claim 27, wherein the heat exchange spoiler comprises:

a spoiler body extending along an axial direction of the main heat exchange tube and connected to the main heat exchange tube, wherein the spoiler body is provided with a plurality of intervals along the longitudinal direction thereof Spoiler hole

a plurality of heat exchange fins, wherein the plurality of heat exchange fins are connected to the upper edges of the plurality of spoiler holes one by one, each of the heat exchange fins being downward and away from the spoiler The direction of the body extends obliquely.
A water heater characterized by comprising the volumetric heat exchange device according to any one of claims 14-28.
A volumetric heat exchange device, comprising:

a burner housing defining a combustion chamber having an open upper end;

a burner disposed in the combustion chamber to generate flue gas;

a tank, the inner tank is disposed at an upper end of the burner shell, the inner tank defines a water storage chamber, and an upper portion of the water storage chamber has an upper opening communicating with the outside, and a lower portion of the water storage chamber Having a lower opening in communication with the combustion chamber;

Upper heat exchange tube, the upper heat exchange tube is sealed in the upper opening;

a lower heat exchange tube, the lower heat exchange tube is sealed in the lower opening;

a plurality of heat exchange branches, a plurality of the heat exchange branches are disposed in the water storage chamber, and upper ends of the plurality of heat exchange branches are connected to a lower end of the upper heat exchange tubes, and a plurality of the heat exchange branches are The lower end is connected to the upper end of the lower heat exchange tube.
A volumetric heat exchanging apparatus according to claim 30, wherein said plurality of said heat exchange branch pipes comprise a plurality of peripheral branch pipes distributed in a circumferential direction of said inner casing.
The volumetric heat exchanging apparatus according to claim 31, wherein said plurality of said heat exchange branch pipes further comprise a middle branch pipe substantially at a center of said water storage chamber, and said plurality of said peripheral branch pipes are spaced apart from said The outer circumference of the middle branch.
The volumetric heat exchanging device according to claim 32, wherein the middle branch pipe, the upper heat exchange pipe, the lower heat exchange pipe, and the water storage chamber are coaxially disposed.
A volumetric heat exchanging apparatus according to claim 32 or 33, wherein a lower portion and an upper portion of each of said peripheral branch pipes respectively extend in an arc shape.
The volumetric heat exchanging device according to any one of claims 30 to 34, wherein a bottom wall of the inner tank is formed in an upwardly concave arc shape, and the lower opening is provided at a bottom of the inner tank. The middle of the wall.
The volumetric heat exchange apparatus according to any one of claims 30 to 35, further comprising:

The outer casing, the inner casing and the burner casing are disposed in the outer casing, and an upper portion of the outer casing is provided with an outer outlet communicating with the upper heat exchange tube and the outside.
A positive displacement heat exchanger according to claim 36, wherein said upper heat exchange tube is sealingly coupled to said outer casing and an upper end of said upper heat exchange tube extends from said outer outlet.
The volumetric heat exchanging device according to any one of claims 30 to 37, wherein the lower heat exchange tube and the upper heat exchange tube are respectively welded to the heat exchange branch tube.
A volumetric heat exchanging apparatus according to any one of claims 30 to 38, further comprising: a thermostat extending into a lower portion of said water storage chamber and said burner Connected.
A water heater characterized by comprising the volumetric heat exchange device according to any one of claims 30-39.
A volumetric heat exchange device, comprising:

a burner housing defining a combustion chamber having an open upper end;

a burner disposed in the combustion chamber to generate flue gas;

a tank, the inner tank is disposed at an upper end of the burner shell, the inner tank defines a water storage chamber, and an upper portion of the water storage chamber has an upper opening communicating with the outside, and a lower portion of the water storage chamber Having a lower opening in communication with the combustion chamber;

a main heat exchange tube, the main heat exchange tube is disposed in the water storage chamber, an upper end of the main heat exchange tube is sealed and disposed in the upper opening, and a lower end of the main heat exchange tube is sealed in the Inside the lower opening;

a drain member, the drain member is disposed in the combustion chamber and connected to the main heat exchange tube or the inner tank, and the drain member is provided for receiving a flow from an inner wall surface of the main heat exchange tube a water receiving portion of the condensed water, the drain port of the water receiving portion being outwardly beyond the burner.
A positive displacement heat exchanger according to claim 41, wherein said water receiving portion is an annular water receiving groove.
The positive displacement heat exchanger according to claim 42, wherein the drain member is further provided with a drain passage communicating with the water receiving tank, and an outlet of the drain passage is formed as the drain port.
A volumetric heat exchanging apparatus according to claim 43, wherein said drain passage comprises a plurality of and is spaced apart in a circumferential direction of said water receiving tank.
The volumetric heat exchanging device according to claim 43 or 44, wherein the drain member comprises:

a water receiving ring, the water receiving ring is connected to the main heat exchange tube or the inner tank, and the water receiving tank is disposed on the water receiving ring;

a drain arm extending obliquely downwardly outwardly, the drain arm defining the drain channel.
A positive displacement heat exchanger according to claim 45, wherein said drain arm is formed as a drain.
The positive displacement heat exchange device according to any one of claims 41 to 46, wherein the main heat exchange tube is disposed coaxially with the water storage chamber.
The volumetric heat exchanging device according to any one of claims 41 to 47, wherein a bottom wall of the inner tank is formed in an upwardly concave arc shape, and the lower opening is provided at a bottom of the inner tank. The middle of the wall.
The volumetric heat exchange apparatus according to any one of claims 41 to 48, further comprising:

The outer casing, the inner casing and the burner casing are disposed in the outer casing, and an upper portion of the outer casing is provided with an outer outlet communicating with the main heat exchange tube and the outside.
A positive displacement heat exchanger according to any one of claims 41 to 49, wherein said main heat exchange tube and said inner tube are welded together.
A volumetric heat exchanging device according to any one of claims 41 to 50, further comprising: a thermostat extending into a lower portion of the water storage chamber and with the burner Electrical connection.
The volumetric heat exchange apparatus according to any one of claims 41 to 51, further comprising:

a heat exchange spoiler, the heat exchange spoiler being disposed in the main heat exchange tube and connected to the main heat exchange tube.
The volumetric heat exchange device according to claim 52, wherein the heat exchange spoiler comprises:

a spoiler body extending along an axial direction of the main heat exchange tube and connected to the main heat exchange tube, wherein the spoiler body is provided with a plurality of intervals along the longitudinal direction thereof Spoiler hole

a plurality of heat exchange fins, wherein the plurality of heat exchange fins are connected to the upper edges of the plurality of spoiler holes one by one, each of the heat exchange fins being downward and away from the spoiler The direction of the body extends obliquely.
A water heater characterized by comprising the volumetric heat exchange device according to any one of claims 41-53.
A volumetric heat exchange device, comprising:

a burner housing defining a combustion chamber having an open upper end;

a burner disposed in the combustion chamber to generate flue gas;

a tank, the inner tank is disposed at an upper end of the burner shell, the inner tank defines a water storage chamber, and an upper portion of the water storage chamber has a plurality of upper openings communicating with the outside, the water storage chamber a lower portion having a lower opening in communication with the combustion chamber;

a plurality of heat exchange branches, a plurality of the heat exchange branches are disposed in the water storage chamber, and upper ends of the plurality of heat exchange tubes are sealingly disposed in the plurality of upper openings in a one-to-one correspondence;

a lower heat exchange tube, the lower heat exchange tube is sealingly connected in the lower opening, and an upper end of the lower heat exchange tube is sealingly connected to a lower end of the plurality of heat exchange branches.
A volumetric heat exchanging apparatus according to claim 55, wherein said plurality of said heat exchange branch pipes comprise a plurality of peripheral branch pipes distributed in a circumferential direction of said inner casing.
A volumetric heat exchanging apparatus according to claim 56, wherein said plurality of said heat exchange branch pipes further comprise a middle branch pipe substantially at a center of said water storage chamber, and said plurality of said peripheral branch pipes are spaced apart from said The outer circumference of the middle branch.
The positive displacement heat exchanger according to claim 57, wherein said central branch pipe, said upper heat exchange pipe and said water storage chamber are coaxially disposed.
A positive displacement heat exchanger according to claim 56, wherein a lower portion of each of said peripheral branches extends in an arc shape.
The volumetric heat exchanging device according to any one of claims 55 to 59, wherein a bottom wall of the inner tank is formed in an upwardly concave arc shape, and the lower opening is provided at a bottom of the inner tank. The middle of the wall.
The volumetric heat exchange apparatus according to any one of claims 55 to 60, further comprising:

The outer casing, the inner casing and the burner casing are disposed in the outer casing, and an upper portion of the outer casing is provided with an outer outlet communicating with the plurality of heat exchange branches and the outside.
The volumetric heat exchanging device according to claim 61, wherein the outer outlet comprises a plurality, the plurality of heat exchange branches are in one-to-one correspondence with the plurality of outer outlets, and each of the heat exchange branches Extending from the corresponding outer outlet and sealingly connected to the outer casing.
The volumetric heat exchanging device according to any one of claims 55-62, wherein the lower heat exchange tube and the inner tank are respectively welded to the heat exchange branch tube.
A volumetric heat exchanging apparatus according to any one of claims 55 to 63, further comprising: a thermostat extending into a lower portion of said water storage chamber and said burner Connected.
A water heater characterized by comprising the volumetric heat exchange device according to any one of claims 55-65.
A volumetric heat exchange device, comprising:

a burner housing defining a combustion chamber having an open upper end;

a burner disposed in the combustion chamber to generate flue gas;

a tank, the inner tank is disposed at an upper end of the burner shell, the inner tank defines a water storage chamber, and an upper portion of the water storage chamber has an upper opening communicating with the outside, and a lower portion of the water storage chamber Having a lower opening in communication with the combustion chamber;

a main heat exchange tube, the main heat exchange tube is disposed in the water storage chamber, an upper end of the main heat exchange tube is sealed and disposed in the upper opening, and a lower end of the main heat exchange tube is sealed in the Inside the lower opening;

a heat exchange branch pipe, the heat exchange branch pipe is disposed in the water storage cavity, a lower end of the heat exchange branch pipe is communicated with a lower portion of the main heat exchange pipe, and an upper end of the heat exchange branch pipe and the main heat exchange pipe The upper portion is in communication, and at least a portion of the heat exchange branch is configured to surround a spiral shape of the main heat exchange tube.
The positive displacement heat exchanger according to claim 66, wherein said heat exchange branch is integrally formed in a spiral shape.
The volumetric heat exchange apparatus according to claim 66, wherein said main heat exchange tube comprises:

An intermediate pipe section, the intermediate pipe section being formed as a straight pipe;

An upper pipe section, the upper pipe section is disposed at an upper end of the intermediate pipe section and is sealingly disposed in the upper opening, the upper pipe section is connected to an upper end of the heat exchange branch pipe, and a flow area of the upper pipe section is larger than the upper pipe section The flow area of the middle pipe section;

a lower pipe section, the lower pipe section is disposed at a lower end of the intermediate pipe section and is sealingly disposed in the lower opening, the lower pipe section is connected to a lower end of the heat exchange branch pipe, and a flow area of the lower pipe section is larger than the lower pipe section The flow area of the middle pipe section.
A positive displacement heat exchanger according to claim 68, wherein said main heat exchange tube is a single piece.
The volumetric heat exchanging device according to any one of claims 66 to 69, wherein the main heat exchange tube, the water storage chamber and the heat exchange branch tube are disposed coaxially.
The volumetric heat exchanging device according to any one of claims 66 to 70, wherein a bottom wall of the inner tank is formed in an upwardly concave arc shape, and the lower opening is provided at a bottom of the inner tank. The middle of the wall.
The volumetric heat exchange apparatus according to any one of claims 66 to 71, further comprising:

The outer casing, the inner casing and the burner casing are disposed in the outer casing, and an upper portion of the outer casing is provided with an outer outlet communicating with the main heat exchange tube and the outside.
A positive displacement heat exchanger according to claim 72, wherein said main heat exchange tube is sealingly connected to said outer casing and an upper end of said main heat exchange tube projects from said outer outlet.
A positive displacement heat exchanger according to any one of claims 66 to 73, wherein said heat exchange branch pipe and said inner tank are respectively welded to said main heat exchange pipe.
A volumetric heat exchanging apparatus according to any one of claims 66 to 74, further comprising: a thermostat extending into a lower portion of said water storage chamber and said burner Electrical connection.
A water heater characterized by comprising the volumetric heat exchange device according to any one of claims 66-75.
A volumetric heat exchange device, comprising:

a burner housing defining a combustion chamber having an open upper end;

a burner disposed in the combustion chamber to generate flue gas;

a tank, the inner tank is disposed at an upper end of the burner shell, the inner tank defines a water storage chamber, and an upper portion of the water storage chamber has an upper opening communicating with the outside, and a lower portion of the water storage chamber Having a plurality of lower openings in communication with the combustion chamber;

a plurality of heat exchange branch pipes, a plurality of the heat exchange branch pipes are disposed in the water storage chambers, and a plurality of the heat exchange branch pipes are sealingly disposed in the plurality of the lower openings in a one-to-one correspondence;

The upper heat exchange tube is sealingly connected in the upper opening, and the lower end of the upper heat exchange tube is sealingly connected to the upper ends of the plurality of heat exchange branches.
A volumetric heat exchanging apparatus according to claim 77, wherein said plurality of said heat exchange branch pipes comprise a plurality of peripheral branch pipes distributed in a circumferential direction of said inner casing.
A volumetric heat exchanging apparatus according to claim 78, wherein said plurality of said heat exchange branch pipes further comprise a middle branch pipe substantially at a center of said water storage chamber, said peripheral branch pipe being spaced apart from said middle branch pipe The periphery.
A positive displacement heat exchanger according to claim 79, wherein said central branch pipe, said upper heat exchange pipe and said water storage chamber are coaxially disposed.
A positive displacement heat exchanger according to claim 78, wherein an upper portion of each of said peripheral branches extends in an arc shape.
The volumetric heat exchanging device according to any one of claims 77 to 81, wherein a bottom wall of the inner tank is formed in an upwardly concave arc shape, and the lower opening is provided at a bottom of the inner tank. On the wall.
The volumetric heat exchange apparatus according to any one of claims 77 to 82, further comprising:

The outer casing, the inner casing and the burner casing are disposed in the outer casing, and an upper portion of the outer casing is provided with an outer outlet communicating with the upper heat exchange tube and the outside.
A positive displacement heat exchanger according to claim 83, wherein said upper heat exchange tube extends from said outer outlet and is sealingly coupled to said outer casing.
The volumetric heat exchanging device according to any one of claims 77 to 84, wherein the upper heat exchange tube and the inner tank are respectively welded to the heat exchange branch tube.
A volumetric heat exchanging apparatus according to any one of claims 77 to 85, further comprising: a thermostat extending into a lower portion of said water storage chamber and said burner Connected.
A water heater characterized by comprising the volumetric heat exchange device according to any one of claims 77-86.
A volumetric heat exchange device, comprising:

a burner housing defining a combustion chamber having an open upper end;

a burner, the burner being disposed in the combustion chamber to generate flue gas;

a tank, the inner tank is disposed at an upper end of the burner shell, the inner tank defines a water storage chamber, and an upper portion of the water storage chamber has an upper opening communicating with the outside, and a lower portion of the water storage chamber Having a lower opening in communication with the combustion chamber;

a main heat exchange tube, the main heat exchange tube is disposed in the water storage chamber, an upper end of the main heat exchange tube is sealed and disposed in the upper opening, and a lower end of the main heat exchange tube is sealed in the In the lower opening, at least a portion of the main heat exchange tube is formed as a reduced diameter tube, and a flow passage area of the reduced diameter tube is decreased in a flow direction of the flue gas.
A positive displacement heat exchanger according to claim 88, wherein an upper portion of said main heat exchange tube is formed as said reduced diameter pipe.
A positive displacement heat exchanger according to claim 88, wherein said main heat exchange tube is integrally formed as a reduced diameter pipe.
The positive displacement heat exchanger according to any one of claims 88 to 90, wherein the inner peripheral surface of the reduced diameter pipe is integrally formed as a slope that extends obliquely inwardly.
The positive displacement heat exchanger according to any one of claims 88 to 91, wherein the main heat exchange tube has a radial cross section formed in a circular shape.
The volumetric heat exchanging device according to any one of claims 88 to 92, wherein the main heat exchange tube is disposed coaxially with the water storage chamber.
The volumetric heat exchanging device according to any one of claims 88 to 93, wherein a bottom wall of the inner tank is formed in an upwardly concave arc shape, and the lower opening is provided at a bottom of the inner tank. The middle of the wall.
The volumetric heat exchange apparatus according to any one of claims 88 to 94, further comprising:

The outer casing, the inner casing and the burner casing are disposed in the outer casing, and an upper portion of the outer casing is provided with an outer outlet communicating with the main heat exchange tube and the outside.
A positive displacement heat exchanger according to claim 95, wherein an upper end of said main heat exchange tube projects from said outer outlet and is sealingly connected to said outer casing.
A positive displacement heat exchanger according to any one of claims 88 to 96, wherein said main heat exchange tube and said inner tube are welded together.
A volumetric heat exchanging apparatus according to any one of claims 88 to 97, further comprising: a thermostat extending into a lower portion of said water storage chamber and said burner Electrical connection.
The volumetric heat exchange apparatus according to any one of claims 88 to 98, further comprising:

a heat exchange spoiler, the heat exchange spoiler being disposed in the main heat exchange tube and connected to the main heat exchange tube.
The volumetric heat exchange device according to claim 99, wherein the heat exchange spoiler comprises:

a spoiler body extending along an axial direction of the main heat exchange tube and connected to the main heat exchange tube, wherein the spoiler body is provided with a plurality of intervals along the longitudinal direction thereof Spoiler hole

a plurality of heat exchange fins, wherein the plurality of heat exchange fins are connected to the upper edges of the plurality of spoiler holes one by one, each of the heat exchange fins being downward and away from the spoiler The direction of the body extends obliquely.
A water heater characterized by comprising the volumetric heat exchange device according to any one of claims 88-100.
A volumetric heat exchange device, comprising:

a burner housing defining a combustion chamber having an open upper end;

a burner disposed in the combustion chamber to generate flue gas;

a tank, the inner tank is disposed at an upper end of the burner shell, the inner tank defines a water storage chamber, and an upper portion of the water storage chamber has an upper opening communicating with the outside, and a lower portion of the water storage chamber Having a lower opening in communication with the combustion chamber;

a main heat exchange tube, the main heat exchange tube is disposed in the water storage chamber, an upper end of the main heat exchange tube is sealed and disposed in the upper opening, and an upper end seal of the main heat exchange tube is disposed in the Inside the lower opening;

a heat exchange spoiler, the heat exchange spoiler being disposed in the main heat exchange tube and connected to the main heat exchange tube.
The volumetric heat exchanging device according to claim 102, wherein said heat exchange spoiler comprises a plurality of elongated heat exchange spoilers disposed along a circumferential interval of said main heat exchange tubes, An outer end of each of the heat-exchange spoiler is connected to the main heat exchange tube, and inner ends of the plurality of heat-exchange spoilers are spaced apart from each other, and each of the heat-exchange spoilers is provided with an edge A plurality of spoilers are disposed in the axial direction of the main heat exchange tubes.
A positive displacement heat exchanger according to claim 103, wherein each of said heat exchange spoilers extends in a radial direction of said main heat exchange tubes.
The volumetric heat exchange device according to claim 103, wherein each of said heat exchange spoilers comprises:

a spoiler body, an outer end of the spoiler body is connected to the main heat exchange tube, and the spoiler hole is disposed on the spoiler body;

a plurality of heat exchange fins, wherein the plurality of heat exchange fins are connected to the upper edges of the plurality of spoiler holes one by one, and the angle between each of the heat exchange fins and the flow direction of the flue gas is greater than or equal to 90 degrees And less than 180 degrees.
The volumetric heat exchanging device according to claim 105, wherein two adjacent said heat exchange fins on said heat exchange spoiler are respectively located in said main body of said spoiler body The sides of the heat exchange tube in the circumferential direction.
The volumetric heat exchanging device according to claim 105 or claim 106, wherein the number of the heat exchange fins on the plurality of heat exchange spoilers is the same and the heights are equal to one another, in the main heat exchange tube Weekly, adjacent two The heat exchange fins of the heat exchange spoiler are disposed on the same side of the corresponding spoiler body.
A positive displacement heat exchanger according to any one of claims 102-107, wherein said main heat exchange tube is disposed coaxially with said inner casing.
The volumetric heat exchanging device according to any one of claims 102 to 108, wherein a bottom wall of the inner tank is formed in an upwardly concave arc shape, and the lower opening is provided at a bottom of the inner tank. The middle of the wall.
The volumetric heat exchange apparatus according to any one of claims 102 to 109, further comprising:

The outer casing, the inner casing and the burner casing are disposed in the outer casing, and an upper portion of the outer casing is provided with an outer outlet communicating with the main heat exchange tube and the outside.
A volumetric heat exchanging apparatus according to any one of claims 102 to 110, wherein said main heat exchange tube and said inner tube are welded together.
The volumetric heat exchanging device according to any one of claims 102-111, further comprising: a thermostat, the thermostat extending into a lower portion of the water storage chamber and with the burner Electrical connection.
A water heater characterized by comprising the volumetric heat exchange device according to any one of claims 102-112.
A heat exchange spoiler, comprising:

a spoiler body, the spoiler body is formed in an elongated shape, and the spoiler body is provided with a plurality of spoiler holes spaced apart along a length thereof, and the two ends of the spoiler body are respectively formed To welcome the smoke end and the back smoke end;

a plurality of heat exchange fins, one of the plurality of heat exchange fins being connected to the edges of the plurality of the spoiler holes adjacent to the back smoke end, each of the heat exchange fins being away from the disturbance The flow sheet body extends obliquely in the direction of the smoke-receiving end.
The heat exchanger spoiler according to claim 114, wherein the spoiler body comprises:

a main spoiler segment, the spoiler hole and the heat exchange fin are disposed on the main spoiler segment;

a mounting section, one end of the mounting section is connected to one end of the main spoiler section, and the other end of the mounting section is formed as the back smoke end, and the mounting section is provided with a mounting portion, the mounting section The width is greater than the width of the primary spoiler segment.
The heat exchange spoiler according to claim 115, wherein the mounting portion is formed as a slot opening toward the cigarette end, and the slot includes two protrusions respectively provided in the mounting section At both ends of the main spoiler segment.
The heat exchanger spoiler according to claim 115, wherein in the width direction of the main spoiler section, both side edges of the main spoiler section are respectively provided with a flange.
The heat exchanger spoiler of claim 117, wherein the flanges on the two side edges of the main spoiler are bent in opposite directions.
A heat exchange spoiler according to claim 117 or 118, wherein the flange extends in an arc shape.
A heat exchange spoiler according to any one of claims 114 to 119, wherein said spoiler main There are a plurality of lightening holes on the body.
The heat exchanger spoiler according to claim 120, wherein two of said two different flow holes are provided with said weight reducing holes, and said two said weight reducing holes are along said spoiler The width direction of the sheet body is spaced apart.
The heat exchange spoiler according to any one of claims 114 to 121, wherein the heat exchange fin and the spoiler have the same shape and size.
The heat exchange spoiler according to any one of claims 114 to 122, wherein an edge of the heat exchange fin that is not connected to the spoiler body is formed in an arc shape.
The heat exchange spoiler according to any one of claims 114 to 123, wherein the heat exchange spoiler is a one piece.
The heat exchange spoiler according to any one of claims 114 to 124, wherein the heat transfer fin has an inclination angle α of 30 to 60 degrees with respect to the spoiler body.
A volumetric heat exchange device, comprising:

a tank, the inner tank is disposed at an upper end of the burner shell, the inner tank defines a water storage chamber, and an upper portion of the water storage chamber has an upper opening communicating with the outside, and a lower portion of the water storage chamber Having a lower opening in communication with the combustion chamber;

a main heat exchange tube, the main heat exchange tube is disposed in the water storage chamber, an upper end of the main heat exchange tube is sealed and disposed in the upper opening, and an upper end seal of the main heat exchange tube is disposed in the Inside the lower opening;

The heat exchange spoiler according to any one of claims 114 to 125, wherein the heat exchange spoiler is disposed in the main heat exchange tube and the smoke inlet end is adjacent to the lower opening.
A water heater characterized by comprising the volumetric heat exchange device according to claim 126.