CN207880829U - A kind of constant pressure combustion device - Google Patents
A kind of constant pressure combustion device Download PDFInfo
- Publication number
- CN207880829U CN207880829U CN201721854483.7U CN201721854483U CN207880829U CN 207880829 U CN207880829 U CN 207880829U CN 201721854483 U CN201721854483 U CN 201721854483U CN 207880829 U CN207880829 U CN 207880829U
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- China
- Prior art keywords
- valve
- gas
- wind turbine
- fuel element
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 48
- 239000000446 fuel Substances 0.000 claims abstract description 26
- 239000000567 combustion gas Substances 0.000 claims abstract description 24
- 238000010992 reflux Methods 0.000 claims abstract description 10
- 230000005389 magnetism Effects 0.000 claims description 4
- 208000036829 Device dislocation Diseases 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Feeding And Controlling Fuel (AREA)
Abstract
The utility model is related to arrive constant pressure combustion device, including the fuel element and wind turbine that are arranged in shell；Combustion unit connects gas pipeline；It is characterized in that wind turbine is arranged in the lower section of shell, the air outlet of the wind turbine connects the bottom of the shell and the opposite fuel element, for from bottom to the fuel element air blast；The fuel element includes fire row and the combustion gas distribution system for being supplied to the fire row；Pressure maintaining valve includes valve body, and valve body is equipped with valve chamber and back cavity, air inlet, gas outlet and refluxing opening；The elastic parts that valve rod, valve plug, the offer valve plug being arranged in valve chamber reset, the flexible valve being sealingly disposed in valve chamber second port and the driving device moved for driving stem, the magnet of driving device are equipped with accommodating cavity and gas port；Air inlet connects gas pipeline, and gas outlet connects the entrance of the combustion gas distribution system, and refluxing opening connects the gas outlet of the combustion gas distribution system, and gas port is connected to the gas outlet of the wind turbine.
Description
Technical field
The constant pressure combustion device used the utility model is related to arrive burner more particularly to a kind of water heater or dual-purpose stove.
Background technology
Existing gas heater or gas two-purpose stove generally include fuel element, Forced discharge fan, fuel element, burning are changed
Hot systems and waterway pipe wait each component；Wherein combustion heat-exchange system is arranged in the top of fuel element, single for that will burn
The heat of high-temperature flue gas caused by member burning is transferred in the flow in water pipe；Forced discharge fan is arranged in combustion heat-exchange system
Top, for carrying out forced-ventilated to burning waste gas；Bath water enters terminal after exchanging heat with hot water in heat exchanger, and wind turbine is always in height
The lower work of temperature, being also easy to produce carbon distribution influences combustion conditions.
But if simply wind turbine is arranged in the lower section of fuel element, when dual-purpose stove works, since wind turbine setting exists
The upstream of fuel element, wind pressure can interfere with the constant of gaseous-pressure, to influence the accurate of leaving water temperature.
Invention content
Technical problem to be solved in the utility model is a kind of energy precise constant combustion of present situation offer for the prior art
Atmospheric pressure and the constant pressure combustion device good to fuel element supplement air effect.
Technical solution is used by the utility model solves above-mentioned technical problem：The constant pressure combustion device, including：Setting exists
Fuel element in shell and wind turbine；The fuel element connects gas pipeline；
It is characterized in that：
The wind turbine is arranged in the lower section of the shell, and the air outlet of the wind turbine connects bottom and the opposite direction of the shell
The fuel element, for from bottom to the fuel element air blast；
The fuel element includes fire row and the combustion gas distribution system for being supplied to the fire row；
Pressure maintaining valve is used for the constant gaseous-pressure into the fuel element, including：
Valve body is internally provided with the valve chamber being connected with the air inlet on valve body, is connected with the gas outlet on valve body
Outlet chamber and back cavity；The refluxing opening being connected with the back cavity is additionally provided on the valve body；
Valve rod can be movably arranged in the valve chamber；
Valve plug, the first port of the opposite valve chamber, can be movably arranged in the back cavity, connect the valve rod
First end, by the movement of the valve plug come valve chamber described in break-make and the outlet chamber；
Elastic parts is arranged between the valve plug and the inner wall of the valve body, the drive resetted for providing the valve plug
Power；
Flexible valve, is sealingly disposed in the second port of the valve chamber, and is drivingly connected the second end of the valve rod；
Driving device is drivingly connected the second end of the valve rod, including magnet, accommodating cavity, electromagnetism is equipped in the magnet
Iron can be movably accommodated in the accommodating cavity, and the solenoid actuated connects the second end of the valve rod；
The generated magnetic and magnet magnetism is repelled each other when the electromagnet energization；The magnet is equipped with connection institute
State the gas port of accommodating cavity；
The air inlet connects the gas pipeline, and the gas outlet connects the entrance of the combustion gas distribution system, described
Refluxing opening connects the gas outlet of the combustion gas distribution system, and the gas port is connected to the gas outlet of the wind turbine.
Preferably, groove can be equipped on the valve plug, first elastic parts is accommodated in the groove, described
The entrance of groove is connected to the back cavity.On the one hand the design of groove provides the accommodating cavity of elastic parts, also reduce simultaneously
The weight of valve plug further improves the sensitivity of valve plug movement.
It is preferred that the groove is inverse u shape structure, facilitate promotion valve plug.The elastic parts includes being arranged in valve body
Spring base on inner wall and spring；
The spring is set on the spring base, and the both ends of spring contradict respectively on the bottom surface of the spring base and institute
It states on the bottom surface of groove；
The first end of the valve rod is drivingly connected the bottom wall of the groove.
It is preferred that the face area of the first port of the valve chamber is equal with the port area of the second port of valve chamber.
It is preferred that the wind turbine is DC frequency-changing wind turbine.
Compared with prior art, constant pressure combustion device provided by the utility model, the design of pressure maintaining valve, in gas outlet
Provided with pressure feedback, closed loop feedback is carried out using true outlet pressure, more accurate, voltage stabilizing is controlled to gas outlet pressure
It can be significantly improved, voltage regulation result is more preferably；Fan outlet is connected to pressure maintaining valve gas port so that when the burner both makes long
Between run also can consistently keep setting valve port opening, further precise constant gaseous-pressure.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of the utility model embodiment；
Fig. 2 is the longitudinal sectional view of pressure maintaining valve in the utility model embodiment.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing embodiment.
As depicted in figs. 1 and 2, which includes：
Shell 7 is the installation protective cover of each parts.
Fuel element 8 is arranged in shell 7, including fire row 81 and the combustion gas distribution system 82 for being supplied to fire row 81；
Combustion gas distribution system in the present embodiment is multistage combustion gas distribution system, and nozzle that can be as needed to each section is supplied gas.
Wind turbine 9 is arranged in the lower section of shell 7, can be from bottom air blast into shell 7, the air outlet opposed firing point of wind turbine 9
Match system 82, for supplementing auxiliary air to fuel element 8 and forcing push fuel element burning to be produced by the air blast of wind turbine 9
Raw exhaust gas is discharged to outdoor from smoke discharging pipe.Wind turbine in the present embodiment is DC frequency-changing wind turbine.
Wind turbine 9, which is arranged, connects the bottom of shell in the lower section of shell 7 simultaneously, for from bottom to 8 air blast of fuel element；
Pressure maintaining valve A is used for the constant pressure into combustion gas in combustion gas distribution system 82, including：
Valve body 1 is internally provided with the gas outlet 13 on the valve chamber 15 being connected with the air inlet 11 on valve body 1 and valve body 1
The outlet chamber 14 and back cavity 17 being connected；The refluxing opening 12 being connected with back cavity 17 is additionally provided on valve body 1.
Air inlet 11 and gas outlet 13 in the present embodiment are arranged on the opposite side wall of valve chamber 15.
Valve rod 2 can be movably arranged in valve chamber 15.
Valve plug 3 is accommodated in back cavity 17 and can be moved back and forth relative to back cavity 17, the first port of opposite valve chamber 15
Setting connects the first end of valve rod 2, by the movement of valve plug 3 come break-make valve chamber 15 and outlet chamber 14.
In the present embodiment, valve plug 3 is equipped with the groove 31 of inverse u shape structure, and the first elastic parts 5 is accommodated in groove 31
Interior, the entrance of groove 31 is connected to back cavity 17.
Valve plug 3 is arranged in the entry position of the first port 151 and outlet chamber 14 of valve chamber 15；The upper surface of valve plug 3 can be kept off
Firmly or the first port 151 of opening valve chamber 15, the side wall of valve plug can block or open the entrance of outlet chamber 14.
Elastic parts 5 is arranged between valve plug 3 and the inner wall of valve body 1, the driving force for providing the reset of valve plug 3；Including
The spring base 61 and spring 62 being arranged on the inner wall of valve body 1；
Spring 62 is set on spring base 61, and the both ends of spring 62 contradict respectively on the bottom surface of spring base 61 and groove
On 31 bottom surface；
The first end of valve rod 2 is drivingly connected the bottom wall of groove 31.
Flexible valve 6 is sealingly disposed in the second port 152 of valve chamber 15, and is drivingly connected the second end of valve rod 2.
The outer peripheral edge of flexible flap is arranged between the end face that magnet 41 and valve body 1 are connected to each other.
Driving device 4 is drivingly connected the second end of valve rod 2, including magnet 41, accommodating cavity 43, electromagnetism is equipped in magnet 41
Iron 42 can be movably accommodated in accommodating cavity 43, and electromagnet 42 is drivingly connected the second end of valve rod 2；
Generated magnetic and magnet 41 magnetism is repelled each other when the energization of electromagnet 42；Magnet 41 is equipped with connection accommodating cavity
43 gas port 44；
Air inlet 11 connects gas pipeline, and gas outlet 13 connects the entrance of combustion gas distribution system 82, the connection combustion of refluxing opening 12
The gas outlet of qi leel match system 82, gas port 44 are connected to the gas outlet of wind turbine 9.
In the present embodiment, the port area phase of the face area of the first port 151 of valve chamber and the second port 152 of valve chamber
Deng.
The air inlet 11 of pressure maintaining valve connects gas pipeline 83, and gas outlet 13 connects the entrance of combustion gas distribution system 82, reflux
Mouth 12 connects the gas outlet of combustion gas distribution systems 82, and gas port 44 is connected to the gas outlet of wind turbine 9.
Combustion gas distribution system, electromagnet and the equal electric signal of wind turbine connect control circuit (not shown).
Illustrate the operation principle of stable-pressure combustion device in the utility model by taking water heater as an example.
It is required according to water temperature set by user, control circuit is passed through corresponding electric current to electromagnet, while with compatible
Rotating speed starts wind turbine.
Electromagnet obtains electric generation magnetism, repels each other with magnet, and solenoid actuated valve rod moves down, and valve rod driving valve plug moves down, bullet
Spring is extruded；Valve plug moves down the first port for opening valve chamber, opens simultaneously the entrance of outlet chamber, valve chamber is made to be connected to outlet chamber,
Combustion gas in gas pipeline enters the air inlet of pressure maintaining valve, enters outlet chamber via valve chamber, and combustion gas is exited into from gas outlet
Distribution system；Combustion gas is burnt in fire row generates heat, is heated to flow.
The distance that valve plug the moves down i.e. aperture of outlet chamber entrance is by the current control that is applied on coil.
When gaseous-pressure fluctuates, the valve cavity pressure P1 of pressure maintaining valve increases, and the outlet pressure P2 of combustion gas distribution system increases
Greatly, the outlet pressure P2 of combustion gas distribution system enters back cavity, and then enter valve from feeding back in pressure maintaining valve from refluxing opening
In the groove of plug, groove is pushed up, the power being applied on spring reduces, and piston moves up under the effect of spring force, reduces
The aperture of outlet chamber entrance, to reach the constant gaseous-pressure into combustion gas distribution system entrance.
Under normal circumstances, the displacement of valve rod by solenoid valve current control.When the water heater continuous use time is longer, electricity
Coil persistent fever on magnet, coil resistance generate variation, cause the power being applied on valve rod to generate variation, at this point, wind turbine
Outlet pressure fed back in accommodating cavity by gas port, be applied on valve, to coil resistance variation caused by displacement of valve rod
It compensates, to the aperture of displacement, that is, gas outlet of precise constant valve rod.
Claims (6)
1. a kind of constant pressure combustion device, including：The fuel element (8) and wind turbine (9) being arranged in shell (7)；The fuel element
(8) connection gas pipeline (83)；
It is characterized in that：
The wind turbine (9) is arranged in the lower section of the shell (7), and the air outlet of the wind turbine (9) connects the bottom of the shell
And the opposite fuel element (8), for from bottom to the fuel element (8) air blast；
The fuel element (8) includes fire row (81) and the combustion gas distribution system (82) for being supplied to the fire row (81)；
Pressure maintaining valve, for the constant gaseous-pressure entered in the fuel element (8), including：
Valve body (1), be internally provided with the valve chamber (15) being connected with the air inlet (11) on valve body (1), with going out on valve body (1)
The outlet chamber (14) and back cavity (17) that gas port (13) is connected；It is additionally provided on the valve body (1) and the back cavity (17)
The refluxing opening (12) being connected；
Valve rod (2) can be movably arranged in the valve chamber (15)；
Valve plug (3), the first port of the opposite valve chamber (15), can be movably arranged in the back cavity (17), connect institute
The first end for stating valve rod (2), by the movement of the valve plug (3) come valve chamber described in break-make (15) and the outlet chamber (14)；
Elastic parts (5) is arranged between the valve plug (3) and the inner wall of the valve body (1), for providing the valve plug (3)
The driving force of reset；
Flexible valve (6), is sealingly disposed in the second port of the valve chamber (15), and is drivingly connected the of the valve rod (2)
Two ends；
Driving device (4) is drivingly connected the second end of the valve rod (2), including magnet (41), is equipped with and holds in the magnet (41)
Chamber (43) is set, electromagnet (42) can be movably accommodated in the accommodating cavity (43), described in electromagnet (42) drive connection
The second end of valve rod (2)；
The generated magnetic and magnet (41) magnetism is repelled each other when electromagnet (42) energization；It is set on the magnet (41)
There is the gas port (44) for being connected to the accommodating cavity (43)；
The air inlet (11) connects the gas pipeline, and the gas outlet (13) connects entering for combustion gas distribution system (82)
Mouthful, the refluxing opening (12) connects the gas outlet of the combustion gas distribution system (82), and the gas port (44) is connected to the wind turbine (9)
Gas outlet.
2. constant pressure combustion device according to claim 1, it is characterised in that：The valve plug (3) is equipped with groove (31), described
Elastic parts (5) is accommodated in the groove (31), and the entrance of the groove (31) is connected to the back cavity (17).
3. constant pressure combustion device according to claim 2, it is characterised in that the groove (31) is inverse u shape structure.
4. constant pressure combustion device according to claim 2, it is characterised in that：The elastic parts (5) includes being arranged in valve body
(1) spring base (61) on inner wall and spring (62)；
The spring (62) is set on the spring base (61), and the both ends of spring (62) are contradicted respectively in the spring base (61)
Bottom surface on and the groove (31) bottom surface on；
The first end of the valve rod (2) is drivingly connected the bottom wall of the groove (31).
5. the constant pressure combustion device according to Claims 1-4 any claim, it is characterised in that the first end of the valve chamber
The face area of mouth (151) is equal with the port area of second port (152) of valve chamber.
6. constant pressure combustion device according to claim 5, it is characterised in that the wind turbine (9) is DC frequency-changing wind turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721854483.7U CN207880829U (en) | 2017-12-26 | 2017-12-26 | A kind of constant pressure combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721854483.7U CN207880829U (en) | 2017-12-26 | 2017-12-26 | A kind of constant pressure combustion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207880829U true CN207880829U (en) | 2018-09-18 |
Family
ID=63503339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721854483.7U Withdrawn - After Issue CN207880829U (en) | 2017-12-26 | 2017-12-26 | A kind of constant pressure combustion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207880829U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958997A (en) * | 2017-12-26 | 2019-07-02 | 宁波方太厨具有限公司 | A kind of constant pressure combustion device |
| CN114485073A (en) * | 2022-01-18 | 2022-05-13 | 绍兴纳亭环保科技有限公司 | Automatic kitchen garbage processor of accuse temperature |
-
2017
- 2017-12-26 CN CN201721854483.7U patent/CN207880829U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958997A (en) * | 2017-12-26 | 2019-07-02 | 宁波方太厨具有限公司 | A kind of constant pressure combustion device |
| CN109958997B (en) * | 2017-12-26 | 2024-04-16 | 宁波方太厨具有限公司 | Constant pressure burner |
| CN114485073A (en) * | 2022-01-18 | 2022-05-13 | 绍兴纳亭环保科技有限公司 | Automatic kitchen garbage processor of accuse temperature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180918 Effective date of abandoning: 20240416 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180918 Effective date of abandoning: 20240416 |