CN110090470A - Centrifugal degasser - Google Patents

Abstract

The present disclosure relates to a centrifugal degasser for separating gas from liquid in a gas-liquid mixed material, the centrifugal degasser has a main central axis and includes a feed structure, a degassing structure, an exhaust A material structure, an impeller, and an exhaust structure, wherein the feed chamber of the feed structure, the gas-liquid separation chamber of the degassing structure, and the discharge chamber of the discharge structure are set in fluid communication from front to back, And the respective central axes are collinear with the main central axis, the exhaust structure communicates with the degassing structure, and the impeller can rotate around the main central axis so that the gas and liquid in the mixed material Separated in the gas-liquid separation chamber, the gas is discharged from the exhaust structure, and the liquid is discharged from the discharge structure. Through the above technical solution, the centrifugal degasser provided by the present disclosure can improve the degassing effect.

Description

centrifugal degasser

technical field

The present disclosure relates to the fields of food and chemical industry, in particular to a centrifugal degasser.

Background technique

In the industrial fields of food and chemical industry, since the liquid material will inevitably be mixed with air or special gas during the production process, it will have different degrees of adverse effects on product quality and processes such as heat treatment. In order to improve product quality and achieve good processing In some cases, the gas mixed in the material needs to be removed.

In the existing degasser, how to improve the degassing effect has always been the main problem that the designers are committed to solving.

Contents of the invention

An object of the present disclosure is to provide a centrifugal degasser capable of improving the degassing effect.

In order to achieve the above object, the present disclosure provides a centrifugal degasser for separating gas and liquid in a gas-liquid mixed material, the centrifugal degasser has a main central axis, and includes: a feed structure , defining a feed chamber and comprising a feed nozzle in fluid communication with the feed chamber; a degassing structure defining a gas-liquid separation chamber in fluid communication with the feed chamber; a discharge structure defining a gas-liquid separation chamber in fluid communication with the feed chamber; a discharge chamber in fluid communication with the separation chamber and comprising a discharge nozzle in fluid communication with the discharge chamber; an impeller comprising a chassis rotating around the main central axis and blades disposed on the chassis; an exhaust structure , including an exhaust pipe communicating with the gas-liquid separation chamber; wherein, the feed structure, the degassing structure and the discharge structure are arranged in sequence from front to back, and the feed chamber is configured as a ring chamber, the feed direction defined by the feed nozzle is tangent to the feed chamber, the gas-liquid separation chamber and the discharge chamber are configured as cylindrical chambers, the feed chamber, the The respective central axes of the gas-liquid separation chamber and the discharge chamber are collinear with the main central axis; wherein, the chassis is provided with a plurality of through holes axially penetrating, and the blades are arranged on the air In the liquid-liquid separation chamber and the discharge chamber, in the process of rotating around the main central axis, the liquid in the gas-liquid separation chamber forms a liquid ring, and the liquid in the discharge chamber flows from the The discharge nozzle discharges.

Optionally, the feeding structure includes a feeding housing and a front end cover, the feeding housing includes a cylindrical outer wall and a cylindrical inner wall arranged coaxially, the feeding nozzle is connected to the outer wall, The front end cover sealingly connects the outer wall and the inner wall together at the front end to define the feeding cavity with the outer wall and the inner wall.

Optionally, the outer diameter of the feed chamber is smaller than the diameter of the gas-liquid separation chamber.

Optionally, the rear end of the inner wall is provided with a throttle guide plate, and a gap is formed between the outer edge of the throttle guide plate and the rear end of the outer wall, and the width of the gap is smaller than that of the feed chamber. Radial dimension.

Optionally, the throttle guide plate generally extends outward along the radial direction.

Optionally, the feed nozzle is configured as a tapered pipe structure, the tapered pipe structure has a large-diameter end and a small-diameter end, and the small-diameter end is connected to the outer wall.

Optionally, the degassing structure includes a cylindrical degassing housing and a sealing cover, the degassing housing is connected to the rear end of the outer wall, and the sealing cover is connected to the rear end of the inner wall, To define the cylindrical gas-liquid separation chamber together with the degassing shell.

Optionally, the front end of the degassing housing is provided with a first end cover, the first end cover is provided with a flange flange, and the rear end of the outer wall is provided with a flange, and the flange is connected to the The flange flanges are connected by fasteners.

Optionally, the centrifugal degasser further includes a cooling structure, the cooling structure defines a cooling chamber for cooling liquid to flow, and the cooling chamber surrounds the gas-liquid separation chamber to pass through the cooling liquid and the gas-liquid The liquid in the separation chamber exchanges heat.

Optionally, the cooling structure includes a cylindrical cooling shell and a cooling liquid inlet and a cooling liquid outlet provided on the cooling shell, and the cooling shell is sleeved on the outside of the degassing shell to be in contact with The degassing housings collectively define the cooling cavity.

Optionally, the discharge structure includes a cylindrical discharge casing and a rear end cover, the front end of the discharge casing is connected to the rear end of the degassing casing, and the rear end cover is connected to the the rear end of the discharge housing described above.

Optionally, the discharge direction defined by the discharge nozzle is parallel to a radial direction perpendicular to the main central axis.

Optionally, the diameter of the discharge chamber is larger than the diameter of the gas-liquid separation chamber.

Optionally, the exhaust pipe extends along the direction of the main central axis, the exhaust pipe has an intake end and an exhaust end opposite to each other, the exhaust pipe passes through the sealing cover and extends to the In the degassing housing, so that the inlet port is located in the gas-liquid separation chamber.

Optionally, the exhaust pipe is sealingly connected with the sealing cover.

Optionally, the chassis is fixed on a rotating shaft, and the axis of the rotating shaft is collinear with the main central axis.

Optionally, there are multiple blades, and multiple blades are arranged in an annular array around the main central axis.

Optionally, the blade includes a main body portion having opposite first and second ends along the main central axis, and the first end is connected to a side of the chassis facing the gas-liquid separation chamber. side, and extends outward along a radial direction perpendicular to the main central axis to form a discharge vane portion adapted to be disposed in the discharge chamber, the second end extends along a direction perpendicular to the main central axis The radial direction of the radial direction extends outward to form a separation vane portion adapted to be disposed in the gas-liquid separation chamber.

Optionally, the size of the discharge blade portion along the radial direction is larger than the size of the separation blade portion along the radial direction.

Optionally, said vane comprises a protruding portion connected to the inner side of said main body portion and extending in said radial direction to said main central axis to form a sealing vane portion.

Optionally, the inner edge of the main body portion is formed with a plurality of openings, so that the inner edge of the blade is configured with a sawtooth structure.

Optionally, the through hole is disposed close to the center of the chassis.

Optionally, a plurality of said through holes are arranged in a circular array around said main central axis.

Optionally, the intake end of the exhaust pipe extends beyond the separation vane portion and approaches the sealing vane portion.

Optionally, the centrifugal degasser includes a bracket for supporting the centrifugal degasser such that the main central axis extends along the horizontal direction.

Through the above technical solution, during the use of the centrifugal degasser provided by the present disclosure, firstly, the mixed material enters the feeding cavity from the feeding nozzle of the feeding structure, because the feeding direction and the circular feeding The cavity is tangent, so the mixed material can quickly and smoothly convert from linear motion to circular motion after entering the feeding cavity. Based on the annular structure of the feed chamber, the mixed material in it can quickly obtain the preset linear speed and smooth circular motion; as the mixed material continuously enters, the mixed material flows towards the gas-liquid separation; in the gas-liquid separation, through the impeller The rotation of the blades drives the rotation of multiple blades, thereby accelerating the centrifugal movement of the mixed material; the rotation of multiple blades drives the high-speed rotation of the mixed material in the gas-liquid separation chamber, and the liquid in the mixed material forms a high-speed rotating liquid ring to accelerate the precipitation of gas In this way, the efficiency of gas-liquid separation is improved. In addition, the high-speed rotation of the blade can also increase the discharge pressure and flow in the discharge chamber; during this process, the gas with a lower density in the mixed material is precipitated from the liquid, and then passed The remaining liquid will continue to flow and enter the discharge chamber under the action of the rotation of the impeller; after that, it will be discharged through the discharge nozzle. Among them, when the mixed material flows from the feed chamber into the gas-liquid separation chamber, because the preset linear velocity is obtained in the feed chamber, the mixed material can be integrated into the gas-liquid separation chamber at a higher linear speed. In the liquid ring that performs high-speed centrifugal movement, it avoids disturbing the original gas-liquid separation surface and thus affecting the gas precipitation effect. Moreover, during the centrifugal movement of the mixed material in the gas-liquid separation chamber, the multiple through holes on the chassis of the impeller can balance the pressure imbalance on both sides of the chassis caused by the high-speed rotation of the chassis.

Other features and advantages of the present disclosure will be described in detail in the detailed description that follows.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present disclosure, and constitute a part of the description, together with the following specific embodiments, are used to explain the present disclosure, but do not constitute a limitation to the present disclosure. In the attached picture:

1 is a front view of a centrifugal degasser in a specific embodiment of the present disclosure;

Fig. 2 is a sectional view along line A-A of Fig. 1;

3 is a left side view of a centrifugal degasser in a specific embodiment of the present disclosure;

Fig. 4 is a cross-sectional view along line B-B of Fig. 3, which shows a cross-sectional view of an impeller in a specific embodiment of the present disclosure;

Fig. 5 is a schematic structural view of an impeller of a centrifugal degasser in another specific embodiment of the present disclosure.

Explanation of reference signs

11-feed chamber, 12-feed nozzle, 13-inner wall, 14-outer wall, 15-front end cover, 16-throttle guide plate, 17-flange, 21-gas-liquid separation chamber, 22-degassing Housing, 23-sealing cover, 24-first end cover, 241-flange flange, 31-discharging cavity, 32-discharging nozzle, 33-discharging shell, 34-rear end cover, 4- Exhaust pipe, 41-intake end, 42-exhaust end, 51-chassis, 511-through hole, 52-blade, 521-discharging blade, 522-separation blade, 523-sealing blade, 524- Opening, 61-cooling cavity, 62-coolant outlet, 63-coolant inlet, 64-cooling shell, 7-rotating shaft, 8-support.

Detailed ways

Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

In this disclosure, unless stated otherwise, the orientation words "inner and outer" used refer to inner and outer relative to the main central axis, wherein the direction of approaching is inward, and the direction of being far away is inward. Outside; "front and back" are defined based on the flow direction of the liquid in the mixed material, and it is considered that the liquid flows from front to back; terms such as "first" and "second" are used to distinguish an element from Another element, not of order and importance. In addition, when the following description refers to drawings, the same symbol in different drawings represents the same element.

centrifugal degasser

According to a first aspect of the present disclosure, there is provided a centrifugal degasser for separating gas from liquid in a gas-liquid mixed material. 1 to 4 show a specific implementation thereof. Referring to Figures 1 to 4, the centrifugal degasser has a main central axis and includes: a feed structure that defines a feed cavity 11 and includes a feed nozzle 12 that is in fluid communication with the feed cavity 11; A structure defining a gas-liquid separation chamber 21 in fluid communication with the feed chamber 11; a discharge structure defining a discharge chamber 31 in fluid communication with the gas-liquid separation chamber 21 and comprising a discharge nozzle in fluid communication with the discharge chamber 31 32; impeller, including the chassis 51 rotating around the main central axis and the blades 52 arranged on the chassis 51; exhaust structure, including the exhaust pipe 4 communicated with the gas-liquid separation chamber 21; wherein, the feed structure , the degassing structure and the discharge structure are arranged sequentially from front to back, the feeding chamber 11 can be configured as a circular chamber, and the feeding direction defined by the feeding nozzle 12 can be tangent to the feeding chamber 11 , the gas-liquid separation chamber 21 and the discharge chamber 31 can be configured as cylindrical chambers, and the respective central axes of the feed chamber 11, the gas-liquid separation chamber 21 and the discharge chamber 31 can all be collinear with the main central axis; wherein , the chassis 51 can be provided with a plurality of through holes 511 axially penetrating, and the blade 52 can be arranged in the gas-liquid separation chamber 21 and the discharge chamber 31 to separate the gas-liquid during the rotation around the main central axis. The liquid in the chamber 21 forms a liquid ring and causes the liquid in the discharge chamber 31 to be discharged from the discharge nozzle 32 .

Through the above-mentioned technical solution, during the use of the centrifugal degasser provided by the present disclosure, firstly, the mixed material enters the feeding chamber 11 from the feeding nozzle 12 of the feeding structure. The feed chamber 11 is tangent, so the mixed material can quickly and smoothly convert from linear motion to circular motion after entering the feed chamber 11 . Based on the annular structure of the feed chamber 11, the mixed material can quickly obtain a preset linear speed and smooth circular motion; as the mixed material continuously enters, the mixed material flows toward the gas-liquid separation chamber 21; in the gas-liquid separation chamber In 21, the rotation of the impeller drives a plurality of blades 52 to rotate, thereby accelerating the centrifugal movement of the mixed material; the rotation of the plurality of blades 52 drives the mixed material in the gas-liquid separation chamber 21 to rotate at a high speed, and the liquid in the mixed material forms a high-speed rotation The liquid ring accelerates the precipitation of gas to improve the efficiency of gas-liquid separation. In addition, the high-speed rotation of the blade 52 can also increase the discharge pressure and flow rate in the discharge chamber 31; The gas is precipitated from the liquid, and then discharged through the exhaust pipe 4, and the remaining liquid continues to flow and enters the discharge chamber 31 under the action of the rotation of the impeller; after that, it is discharged through the discharge nozzle 32. Wherein, when the mixed material flows into the gas-liquid separation chamber 21 from the feed chamber 11, since the preset linear velocity is obtained in the feed chamber 11, the mixed material can be integrated into the gas-liquid separation chamber at a higher linear velocity. In the liquid ring that is undergoing high-speed centrifugal movement in the cavity 21, the disturbance to the original gas-liquid separation surface is avoided to affect the gas precipitation effect. Moreover, during the centrifugal movement of the mixed material in the gas-liquid separation chamber 21 , the multiple through holes 511 on the chassis 51 of the impeller can balance the pressure imbalance on both sides of the chassis 51 caused by the high-speed rotation of the chassis 51 .

In particular embodiments of the present disclosure, the feed structure may be configured in any suitable manner. Optionally, the feed structure is configured as the feed structure of the centrifugal degasser provided in the second aspect of the present disclosure.

In a specific implementation manner of the present disclosure, both the degassing structure and the discharge structure may be configured in any suitable manner. Based on the connection relationship between the discharge structure and the feed structure and the relationship between the discharge structure and the degassing structure, there is a structural close relationship between its specific implementation and the specific implementation of the feed structure. Therefore, in this paper, the Based on the following description of the specific implementation of the feed structure of the centrifugal degasser provided according to the second aspect of the present disclosure, a specific implementation of the degassing structure and a discharge structure will be described in detail Detailed ways. In addition, since the exhaust pipe 4 needs to communicate with the gas-liquid separation chamber 21, a specific implementation of the degassing structure will be described below on the basis of a specific implementation of the degassing structure.

In specific embodiments of the present disclosure, the impeller may be configured in any suitable manner. Optionally, the impeller is configured as the impeller of the centrifugal degasser provided in the third aspect of the present disclosure.

In a specific embodiment of the present disclosure, the centrifugal degasser needs to be kept stable during use. For this reason, the centrifugal degasser can also include a bracket 8. Referring to FIG. 1, the centrifugal degasser is supported on the bracket 8 , placed on a working platform, such as the ground, through a bracket 8. In a specific embodiment of the present disclosure, the centrifugal degasser may be a horizontal mechanism, and when in use, the direction of the main central axis needs to be parallel to the horizontal direction. In addition, referring to FIG. 1 to FIG. 4 , the bracket 8 provides two supporting positions, one is located outside the degassing structure of the centrifugal degasser, and the other is located outside the discharge structure to provide stable and strong support.

The present disclosure will be described in detail below with reference to the corresponding drawings.

Feed Structure of Centrifugal Degasser

According to a second aspect of the present disclosure, a feed structure of a centrifugal degasser is provided, and a specific implementation thereof is shown in Fig. 1 to Fig. 4 . With reference to shown in Figure 4, feed structure limits feed cavity 11 and comprises the feed nozzle 12 that is in fluid communication with feed chamber 11, and feed chamber 11 is configured as the annular chamber, and feed nozzle 12 limits The feed direction is tangential to the feed chamber 11 .

Through the above technical solution, during the use of the feeding structure of the centrifugal degasser provided by the present disclosure, the mixed material can enter the feeding chamber 11 through the feeding nozzle 12, because the feeding direction and the circular shape The feed chamber 11 is tangent, so the mixed material can quickly and smoothly convert from linear motion to circular motion after entering the feed chamber 11 . Based on the annular structure of the feeding chamber 11, the mixed material can quickly obtain a preset linear velocity and a smooth circular motion, and then when entering the rear gas-liquid separation chamber 21, due to the obtained in the feeding chamber 11 Preset linear velocity, therefore, the mixed material can be integrated into the liquid ring undergoing high-speed centrifugal motion in the gas-liquid separation chamber 21 at a higher linear velocity, avoiding disturbance to the original gas-liquid separation surface and thus affecting the precipitation of gas Effect.

In a specific implementation manner provided by the second aspect of the present disclosure, the feeding structure may include a feeding housing and a front end cover 15, as shown in FIG. 1 , FIG. 3 and FIG. 4 , the feeding housing may include the same A cylindrical outer wall 14 and a cylindrical inner wall 13 arranged on the axis, the feed nozzle 12 is connected to the outer wall 14, and the front end cover 15 seals and connects the outer wall 14 and the inner wall 13 at the front end to limit the feed with the outer wall 14 and the inner wall 13. The cavity 11 is shown in FIG. 1 , FIG. 3 and FIG. 4 . The difference between the size of the annular feed chamber 11 formed between the outer wall 14 and the inner wall 13 along the central axis direction and the major diameter dimension and the minor diameter dimension in the radial direction (ie the thickness of the feed chamber 11) It can be set according to actual needs, so as to control the flow rate and production efficiency of the material entering the subsequent gas-liquid separation chamber.

In order to improve the speed and pressure of the mixed material flowing into the gas-liquid separation chamber 21 from the feed chamber 11, as an option, the rear end of the inner wall 13 can be provided with a throttle guide plate 16, and the outer edge of the throttle guide plate 16 is connected to the A gap may be formed between the rear ends of the outer wall 14 , the width of the gap is smaller than the radial dimension of the feeding cavity 11 , as shown in FIG. 4 . The width dimension of this gap refers to the distance between the outer edge of the throttling guide plate 16 and the rear end of the outer wall 14. When the mixed material passes through the gap, the flow velocity can be further increased. In addition, the gap can also guide the mixed material to the The outer edge of the liquid ring, so as to avoid the splash of the liquid caused by the mixed material contacting the gas-liquid separation surface. The throttling guide plate 16 can be arranged between the feed chamber 11 and the gas-liquid separation chamber 21 and is configured as a circular baffle extending outward in the radial direction. The diameter of the circular baffle is smaller than that of the feed chamber 11 , so that the outer edge of the circular baffle is close to the rear end of the outer wall 14 and forms the gap.

In particular embodiments of the present disclosure, feed nozzle 12 may be configured in any suitable manner. Optionally, the feed nozzle 12 can be configured as a tapered pipe structure, the tapered pipe structure has a large diameter end and a small diameter end, the small diameter end can be connected to the outer wall 14, so that the mixed material flows into the feed from the small diameter end The speed increases when entering the feeding cavity 11, and then has a higher peripheral acceleration when entering the feeding cavity 11 along the tangential direction.

On the basis of the above technical solution, the second aspect of the present disclosure further provides a centrifugal degasser, which includes the feed structure of the centrifugal degasser described in the second aspect of the present disclosure.

Wherein, the centrifugal degasser may include a degassing structure, as shown in FIG. The central axis of each is collinear with the main central axis of the centrifugal degasser, and the outer diameter of the feed chamber 11 can be smaller than the diameter of the gas-liquid separation chamber 21. The centrifugal degasser can also include an impeller, which includes a chassis 51 rotating around the main central axis and blades 52 arranged on the chassis 51, and the blades 52 are arranged in the gas-liquid separation chamber 21 and the discharge chamber 31, so as to During the rotation around the main central axis, the liquid in the gas-liquid separation chamber 21 forms a liquid ring, and the liquid in the discharge chamber 31 is discharged from the discharge nozzle 32 .

Wherein, the outer diameter of the feed chamber 11 may be smaller than the diameter of the gas-liquid separation chamber 21, which is beneficial to obtain a higher linear velocity of the mixed material. As shown in Fig. 4, since the outer diameter of the feed chamber 11 is small, the mixed material obtains a larger centripetal acceleration after entering the feed chamber 11, and can enter the air with a higher linear velocity and a larger discharge pressure. In the liquid separation chamber 21, and according to the rotation direction of the impeller and the liquid ring in the gas-liquid separation chamber 21, it is smoothly integrated into the liquid ring, reducing or even avoiding the impact on the impeller and the unbalanced disturbance caused by the impact, thereby weakening the impact on the centrifugal dehumidifier. Vibration and noise caused by the air machine.

In this regard, the centrifugal degasser provided by the first aspect of the present disclosure can also be constructed in this way, so as to obtain the same effect.

Based on the above specific implementation of the intake structure of the centrifugal degasser provided according to the second aspect of the present disclosure, the following will continue to describe the centrifugal degasser provided by the first aspect of the present disclosure.

In a specific embodiment, the degassing structure may include a cylindrical degassing housing 22 and a sealing cover 23, the degassing housing 22 is connected to the rear end of the outer wall 14, and the sealing cover 23 is connected to the inner wall 13 The rear end is used to define a cylindrical gas-liquid separation chamber 21 together with the degassing housing 22 , as shown in FIG. 4 . Since the feed chamber 11 is circular and the gas-liquid separation chamber 23 is cylindrical, the sealing cover 23 arranged between the rear end of the inner wall 13 and the front end of the degassing housing 22 can realize the separation between the inner wall 13 and the gas-liquid separation chamber 21. sealed connection between.

In order to realize the fixed connection between the degassing shell 22 and the feed shell, the front end of the degassing shell 22 can be provided with a first end cover 24, and the first end cover 24 is provided with a flange flange 241, and the outer wall 14 The rear end can be provided with a flange 17, and the flange 17 and the flange flange 241 are connected by fasteners, as shown in FIGS. 1 and 4, so that the outer wall 14 of the degassing shell 22 and the feed shell There is a fixed connection between them. In addition, the first end cover 24 and the flange 17 can also ensure the tightness between the outer wall 14 and the degassing housing 22 , so as to avoid air leakage and liquid leakage between the outer wall 14 and the degassing housing 22 .

The temperature of the high-speed centrifugal liquid ring in the gas-liquid separation chamber 21 rises, and it needs to be cooled in order to prevent the liquid from deteriorating due to high temperature. Therefore, the centrifugal degasser provided in the first aspect of the present disclosure may further include a cooling structure, the cooling structure defines a cooling chamber 61 through which the cooling liquid flows, and the cooling chamber 61 surrounds the gas-liquid separation chamber 21 to pass the cooling liquid and the gas. The liquid in the liquid separation chamber 21 exchanges heat, as shown in FIG. 4 . The cooling chamber 61 surrounding the gas-liquid separation chamber 21 has cooling liquid in it, which can cool the liquid in the gas-liquid separation chamber 21 . Of course, if necessary, the mixed material can be heated through the above-mentioned cooling structure.

In the specific implementation manner provided by the first aspect of the present disclosure, the cooling structure may be configured in any suitable manner. Optionally, the cooling structure may include a cylindrical cooling shell 64 and a cooling liquid inlet 62 and a cooling liquid outlet 63 provided on the cooling shell 64, and the cooling shell 64 may be sleeved on the degassing shell 22 to jointly define a cooling cavity 61 with the degassing shell 22, as shown in FIG. 1 and FIG. 4 . Wherein, the cooling chamber 61 jointly defined by the cooling housing 64 and the degassing housing 22 is annular, and the annular cooling chamber 61 is arranged coaxially with the gas separation chamber 21, and the length along the direction of the main central axis Similarly, so that the gas separation chamber 21 is completely wrapped in the cooling chamber 61 , the gas-liquid separation chamber 21 can fully contact with the cooling liquid in the cooling chamber 21 , so that the liquid in the gas-liquid separation chamber 21 can be fully cooled. In addition, the cooling liquid inlet 62 and the cooling liquid outlet 63 can be respectively arranged below and above the cooling shell 64 along the radial direction of the cooling shell 64, so as to increase the contact time between the cooling liquid and the gas-liquid separation chamber 21, so that the cooling liquid and the The gas-liquid separation chamber 21 can carry out sufficient heat exchange, wherein, "above" refers to a direction away from the center of the earth, and "below" refers to a direction close to the center of the earth; the cooling liquid inlet 62 and the cooling liquid outlet 63 can also be arranged along the direction of the cooling shell. The axial direction of the body 63 is respectively arranged at the front end and the rear end of the cooling shell 64 , so that the cooling liquid can flow from front to back so as to be in the same flow direction as the liquid in the gas-liquid separation chamber 21 . By controlling the flow rate and flow rate of the cooling liquid entering the cooling liquid inlet 62 , the contact time between the cooling liquid and the gas-liquid separation chamber 21 can be controlled, so that the cooling liquid can moderately cool the material in the gas-liquid separation chamber 21 .

In addition, the cooling housing 64 can be coaxially fixedly connected with the feed housing and the degassing housing 22 through the first end cover 24 , as shown in FIG. 1 and FIG. 4 .

In the specific implementation manner provided by the first aspect of the present disclosure, the discharge structure may be configured in any suitable manner. Optionally, the discharge structure may include a cylindrical discharge housing 33 and a rear end cover 34, the front end of the discharge housing 33 is connected to the rear end of the degassing housing 22, and the rear end cover 34 is connected to the discharge housing 34. The rear end of the discharge case 33 is shown in FIG. 1 and FIG. 4 , so that the discharge case 33 is sealed at the rear end of the discharge case 33 .

In particular embodiments of the present disclosure, discharge nozzle 32 may be configured in any suitable manner. As an option, the discharge direction defined by the discharge nozzle 32 may be parallel to the radial direction perpendicular to the main central axis, as shown with reference to FIGS. 2 and 3 , so as to increase the discharge pressure. As another option, the discharge direction defined by the discharge nozzle 32 may also be tangent to the discharge chamber 31 , which is not limited in the present disclosure.

In order to increase the discharge pressure from the discharge chamber 31 so that the liquid can be discharged smoothly, the diameter of the discharge chamber 31 can be greater than the diameter of the gas-liquid separation chamber 21, as shown in Figure 4, the thickness of the liquid ring in the discharge chamber 31 Compared with the thickness of the liquid ring in the gas-liquid separation chamber 21, that is to say, the liquid ring in the discharge chamber 31 has a greater centrifugal force, which can increase the discharge pressure, increase the discharge flow rate, and make the discharge more smoothly.

In particular embodiments of the present disclosure, the exhaust pipe 4 may be configured in any suitable manner. Optionally, the exhaust pipe 4 may extend along the direction of the main central axis, the exhaust pipe 4 may have an intake end 41 and an exhaust end 42 opposite to each other, the exhaust pipe 4 passes through the rear end cover 34 and extends to the In the gas housing 22, so that the inlet port 41 is located in the gas-liquid separation chamber 21, so as to get rid of the gas in the gas-liquid separation chamber 21, and the exhaust port 42 is not communicated with the feed chamber 11 to prevent the gas from entering the feed chamber 11. The mixed material in the chamber 11 splashes into the exhaust pipe 4, as shown in Fig. 1 , Fig. 3 and Fig. 4 . Wherein, the exhaust end 42 of the exhaust pipe 4 can be communicated with a vacuum pump, thereby ensuring that there is a certain degree of vacuum in the gas-liquid separation chamber 21, so that the efficiency of gas-liquid separation is improved, and the gas in the gas-liquid separation chamber 21 is discharged from the inlet port. 41 enters the exhaust pipe 4 and reaches the exhaust end 42 along the axial direction to be sucked away by the vacuum pump, that is to say, the discharge direction of the gas is opposite to the flow direction of the liquid, which can also reduce the liquid being sucked back into the exhaust Possibility in tube 4. In addition, in order to ensure the tightness between the exhaust pipe 4 and the sealing cover 23 and avoid air leakage and liquid leakage, the exhaust pipe 4 and the sealing cover 23 can be sealed and connected with a gasket, or the exhaust pipe 4 and the sealing cover 23 can be sealed. The covers 23 are fixed by welding to ensure the vacuum degree in the gas-liquid separation chamber 21 .

The third aspect of the present disclosure will be described in detail below with reference to the corresponding drawings.

impeller for centrifugal degasser

According to the third aspect of the present disclosure, the impeller may include a chassis 51 rotating around the main central axis of the centrifugal degasser and blades 52 arranged on the chassis 51, and the chassis 51 is provided with a plurality of axially penetrating The through hole 511 and the vane 52 are adapted to be arranged in the gas-liquid separation chamber 21 and the discharge chamber 31 of the centrifugal degasser, so that during the rotation around the main central axis, the gas-liquid separation chamber 21 The liquid forms a liquid ring, and the liquid in the discharge chamber 31 is discharged from the discharge nozzle 32 .

Through the above technical solution, the rotation of the chassis 51 of the impeller can drive a plurality of blades 52 to rotate, thereby providing power for the rotation of the mixed material in the gas-liquid separation chamber 21, so that the mixed material in the gas-liquid separation chamber 21 can perform high-speed centrifugal motion The rotation of multiple blades 52 drives the mixed material in the gas-liquid separation chamber 21 to rotate at a high speed, and the liquid in the mixed material forms a high-speed rotating liquid ring, which accelerates the separation of gas to improve the gas-liquid separation efficiency. In addition, the high-speed rotation of the blades 52 It is also possible to increase the discharge pressure and flow in the discharge chamber 31; and, during the centrifugal movement of the mixed material in the gas-liquid separation chamber 21, a plurality of through holes 511 on the chassis 51 of the impeller can balance the chassis 51 The pressure on both sides of the chassis 51 caused by the high-speed rotation is unbalanced.

In order to enable the impeller to rotate at high speed around the main central axis, the chassis 51 can be fixed on the rotating shaft 7, the axis of the rotating shaft 7 can be collinear with the main central axis, as shown in Figure 4, the rotating shaft 7 can be connected to the output end of the motor connected so that the output end of the motor can drive the rotating shaft 7 to rotate, so that the rotating shaft 7 can drive the chassis 51 to rotate around the main central axis.

In order to improve the gas-liquid separation efficiency, the number of blades 52 can be multiple, and multiple blades 52 are arranged in an annular array around the main central axis. As shown in FIGS. The time for the mixed material in the liquid separation chamber 21 to melt into the liquid ring shortens the gas-liquid separation time and improves the gas-liquid separation efficiency.

In particular embodiments of the present disclosure, blades 52 may be configured in any suitable manner. Optionally, the blade 52 may comprise an outer sheet portion which may have opposite first and second ends along the main central axis, the first end being connected to the chassis 51 and formed with a The second end of the discharge blade part 521 in the material chamber 31 is formed with a separation blade part 522 suitable for being arranged in the gas-liquid separation chamber 21 , as shown in FIG. 2 and FIG. 5 . Wherein, the first end is formed as a discharge blade part 521 and is connected to the side of the chassis 51 facing the gas-liquid separation chamber 21. When the discharge blade part 521 rotates, it can stir and accelerate the rotation of the liquid ring to increase the discharge pressure. The second end extends into the gas-liquid separation chamber 21 along the main central axis, and the second end is formed as a separation blade part 522, and the separation blade part 522 can drive the mixed material to rotate together when rotating in the gas-liquid separation chamber 21, This provides power for the centrifugal movement of the mixed material. Due to the different centrifugal accelerations of the gas and liquid in the mixed material, the liquid in the mixed material forms a liquid ring that rotates at a high speed along the circumference of the gas-liquid separation chamber 21, and the gas precipitates from the liquid and gathers. Near the central axis in the gas-liquid separation chamber 21 .

In specific embodiments of the present disclosure, the discharge vane portion 521 may be configured in any suitable manner. Optionally, the discharge blade portion 521 extends outward along a radial direction perpendicular to the main central axis, as shown in FIG. 2 and FIG. 5 , to increase the contact surface between the discharge blade portion 521 and the liquid ring, thereby Enlarging the stressed area of the liquid ring enables the liquid in the discharge chamber 31 to reach the preset discharge speed and discharge pressure as soon as possible. In addition, the discharge vane portion 521 may extend to be coplanar with the main central axis, that is, the discharge vane portion 521 is configured as a plate-shaped structure extending outward in the radial direction, which can improve Output efficiency.

In particular embodiments of the present disclosure, the separation blade portion may be configured in any suitable manner. Optionally, the separation blade portion 522 extends outward along a radial direction perpendicular to the main central axis, as shown in FIG. 2 and FIG. 5 , to increase the contact surface between the separation blade portion 522 and the mixed material, thereby increasing The force-bearing area of the mixed material enables the liquid in the mixed material to reach the preset rotation speed as soon as possible, so as to accelerate the release of gas. In addition, the separation blade portion 522 may extend to be coplanar with the main central axis, that is, the separation blade portion 522 is configured as a plate-shaped structure extending outward along the radial direction, so as to improve the gas-liquid separation effect.

In order to increase the discharge pressure, the size of the discharge blade portion 521 along the radial direction is larger than the size of the separation blade portion 522 along the radial direction, as shown in FIG. 4 and FIG. 5 . The size of the discharge blade portion 521 in the radial direction is larger than that of the separation blade portion 522, which can increase the contact area between the blade 52 and the liquid in the discharge chamber 31, thereby improving the stirring effect on the liquid and accelerating the liquid ring in the discharge chamber 31. Rotating line speed to increase discharge pressure and discharge flow.

In order to prevent the liquid from being poured back into the exhaust pipe 4 under the suction of the vacuum pump, the blade 52 includes an inner piece portion connected to the inner side of the outer piece portion and extending to the main center along the radial direction. axis to form the sealing blade portion 523, as shown in FIG. 4 and FIG. 5 . The sealing vane portion 523 can make the liquid close to the main central axis undergo centrifugal motion and blend into the liquid ring, preventing the liquid from appearing near the main central axis from being sucked back into the exhaust pipe 4 .

In order to make the sealing vane part 523 play a sealing effect on the exhaust pipe 4, the intake end 41 of the exhaust pipe 4 can extend to cross the separation vane part 522 and approach the sealing vane part 523, as shown in FIG. When the part 523 rotates, the liquid near the intake port 41 can be centrifugally moved away from the intake port 41 to prevent the liquid from being sucked back into the intake port 41 .

In the embodiment shown in FIG. 4 , the sealing blade portion 523 is arranged at a position close to the junction of the separation blade portion 522 and the discharge blade portion 521, so that the front side of the sealing blade portion 523 is surrounded by a plurality of separation blade portions 522. In the space formed, the intake end 41 of the exhaust pipe 4 can extend here.

In order to strengthen the stirring of the blade 52 on the mixed material and improve the degassing effect, in another specific embodiment of the present disclosure, a plurality of openings 524 are formed on the inner edge of the outer part of the blade 52, so that the inner edge of the blade 52 It is constructed with a sawtooth structure, as shown in Figure 5. 5, in the space surrounded by a plurality of separation blades 522 on the front side of the sealing blade 523, the sawtooth structure formed on the inner edge of the corresponding outer sheet part rotates with the blade 52. It can disperse the air bubbles in the space, improve the gas-liquid separation effect, shorten the gas-liquid separation time of the mixed material, and improve the degassing efficiency.

In order to balance the air pressure on both sides of the chassis 51, the through hole 511 is arranged near the center of the chassis 51, as shown in FIGS. air pressure on the side. In addition, a plurality of through holes 511 are arranged in a circular array around the main central axis, so that the chassis 51 is evenly stressed.

On the basis of the above technical solution, the third aspect of the present disclosure also provides a centrifugal degasser, the centrifugal degasser includes the impeller of the centrifugal degasser described in the third aspect of the present disclosure, and has a The same technical effect as the impeller.

In this regard, the centrifugal degasser provided by the first aspect of the present disclosure can also be constructed in this way, so as to obtain the same effect.

The preferred embodiments of the present disclosure have been described in detail above in conjunction with the accompanying drawings. However, the present disclosure is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure. These simple modifications all belong to the protection scope of the present disclosure.

In addition, it should be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner if there is no contradiction. The combination method will not be described separately.

In addition, various implementations of the present disclosure can be combined arbitrarily, as long as they do not violate the idea of the present disclosure, they should also be regarded as the content disclosed in the present disclosure.

Claims (10)

1. A centrifugal degasser for separating gas and liquid in a gas-liquid mixed material, characterized in that the centrifugal degasser has a main central axis and includes: a feed structure defining a feed chamber (11) and including a feed nozzle (12) in fluid communication with said feed chamber (11); a degassing structure defining a gas-liquid separation chamber (21) in fluid communication with said feed chamber (11); a discharge structure defining a discharge cavity (31) in fluid communication with the gas-liquid separation cavity (21), and including a discharge nozzle (32) in fluid communication with the discharge cavity (31); an impeller comprising a chassis (51) rotating around said main central axis and blades (52) arranged on said chassis (51); an exhaust structure, including an exhaust pipe (4) communicating with the gas-liquid separation chamber (21); Wherein, the feed structure, the degassing structure and the discharge structure are arranged sequentially from front to back, the feed chamber (11) is configured as a circular chamber, and the feed nozzle (12) The defined feed direction is tangent to the feed chamber (11), the gas-liquid separation chamber (21) and the discharge chamber (31) are configured as cylindrical chambers, and the feed chamber (11 ), the respective central axes of the gas-liquid separation chamber (21) and the discharge chamber (31) are collinear with the main central axis; Wherein, the chassis (51) is provided with a plurality of through holes (511) axially penetrating, and the blades (52) are arranged in the gas-liquid separation chamber (21) and the discharge chamber (31) , to make the liquid in the gas-liquid separation chamber (21) form a liquid ring during the rotation around the main central axis, and make the liquid in the discharge chamber (31) flow from the discharge nozzle (32) Discharge. 2. A centrifugal degasser according to claim 1, characterized in that, the feed structure comprises a feed housing and a front end cover (15), and the feed housing comprises a coaxially arranged cylinder shaped outer wall (14) and cylindrical inner wall (13), the feed nozzle (12) is connected to the outer wall (14), and the front end cover (15) connects the outer wall (14) and the outer wall (14) at the front end The inner wall (13) is sealed together to define the feed chamber (11) with the outer wall (14) and the inner wall (13); Optionally, the outer diameter of the feed chamber (11) is smaller than the diameter of the gas-liquid separation chamber (21); Optionally, the rear end of the inner wall (13) is provided with a throttle guide plate (16), and a gap is formed between the outer edge of the throttle guide plate (16) and the rear end of the outer wall (14), The width dimension of the gap is smaller than the radial dimension of the feeding cavity (11); Optionally, the throttle guide plate (16) generally extends outward along the radial direction; Optionally, the feed nozzle (12) is configured as a tapered pipe structure, the tapered pipe structure has a large-diameter end and a small-diameter end, and the small-diameter end is connected to the outer wall (14). 3. centrifugal degasser according to claim 2, is characterized in that, described degassing structure comprises cylindrical degassing casing (22) and sealing cover (23), and described degassing casing (22 ) is connected to the rear end of the outer wall (14), and the sealing cover (23) is connected to the rear end of the inner wall (13) to define the cylindrical shape together with the degassing housing (22). The gas-liquid separation chamber (21); Optionally, the front end of the degassing housing (22) is provided with a first end cover (24), and the first end cover (24) is provided with a flange flange (241), and the outer wall (14) The rear end is provided with a flange (17), and the flange (17) is connected to the flange flange (241) by a fastener. 4. The centrifugal degasser according to claim 3, characterized in that, the centrifugal degasser also includes a cooling structure, the cooling structure defines a cooling chamber (61) for cooling liquid to flow, the cooling chamber ( 61) encircling the gas-liquid separation chamber (21), so as to exchange heat with the liquid in the gas-liquid separation chamber (21) through the cooling liquid; Optionally, the cooling structure includes a cylindrical cooling housing (64) and a cooling liquid inlet (62) and a cooling liquid outlet (63) arranged on the cooling housing (64), the cooling housing (64 ) is sleeved on the outside of the degassing shell (22) to jointly define the cooling chamber (61) with the degassing shell (22). 5. centrifugal degasser according to claim 3, is characterized in that, described discharge structure comprises cylindrical discharge shell (33) and rear end cover (34), and described discharge shell ( The front end of 33) is connected to the rear end of the degassing housing (22), and the rear end cover (34) is connected to the rear end of the discharge housing (33); Optionally, the discharge direction defined by the discharge nozzle (32) is parallel to a radial direction perpendicular to the main central axis. 6. The centrifugal degasser according to claim 5, characterized in that, the diameter of the discharge chamber (31) is larger than the diameter of the gas-liquid separation chamber (21). 7. The centrifugal degasser according to claim 3, characterized in that, the exhaust pipe (4) extends along the direction of the main central axis, and the exhaust pipe (4) has inlet ports opposite to each other. end (41) and exhaust end (42), the exhaust pipe (4) passes through the sealing cover (23) and extends into the degassing housing (22), so that the intake end (41) located in the gas-liquid separation chamber (21); Optionally, the exhaust pipe (4) is sealingly connected with the sealing cover (23). 8. The centrifugal degasser according to claim 1, characterized in that, the chassis (51) is fixed on the rotating shaft (7), and the axis of the rotating shaft (7) is collinear with the main central axis; Optionally, there are multiple blades (52), and multiple blades (52) are arranged in an annular array around the main central axis; Optionally, said blade (52) comprises an outer sheet portion having opposite first and second ends along said main central axis, said first end being connected to said chassis (51 ), And a discharge blade part (521) suitable for being arranged in the discharge chamber (31) is formed, and a separation blade part suitable for being arranged in the gas-liquid separation chamber (21) is formed at the second end (522); Optionally, the discharge vane portion (521) extends outward along a radial direction perpendicular to the main central axis; Optionally, the discharge vane portion (521) extends to be coplanar with the main central axis; Optionally, the separation blade portion (522) extends outwards in a radial direction perpendicular to the main central axis; Optionally, said separating vane portion (522) extends coplanar with said main central axis; Optionally, the size of the discharge blade portion (521) along the radial direction is greater than the size of the separation blade portion (522) along the radial direction; Optionally, said blade (52) comprises an inner blade portion connected to the inner side of said outer blade portion and extending in said radial direction to said main central axis to form a sealing blade portion ( 523); Optionally, a plurality of openings (524) are formed on the inner edge of the outer sheet portion, so that the inner edge of the blade (52) is configured with a sawtooth structure; Optionally, the through hole (511) is arranged close to the center of the chassis (51); Optionally, a plurality of through holes (511) are arranged in a circular array around the main central axis. 9. The centrifugal degasser according to claim 8, characterized in that, the inlet end (41) of the exhaust pipe (4) extends beyond the separation blade portion (522) and is close to the sealing Blade section (523). 10. The centrifugal degasser according to claim 1, characterized in that the centrifugal degasser comprises a bracket (8), and the centrifugal degasser is supported on the bracket (8).