CN219843002U - Fuel cell system with drainage exhaust valve device - Google Patents
Fuel cell system with drainage exhaust valve device Download PDFInfo
- Publication number
- CN219843002U CN219843002U CN202320660591.XU CN202320660591U CN219843002U CN 219843002 U CN219843002 U CN 219843002U CN 202320660591 U CN202320660591 U CN 202320660591U CN 219843002 U CN219843002 U CN 219843002U
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- Prior art keywords
- hydrogen
- drain
- pile
- valve device
- fuel cell
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- 239000000446 fuel Substances 0.000 title claims abstract description 36
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 239000001257 hydrogen Substances 0.000 claims abstract description 90
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 90
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000007789 gas Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000036647 reaction Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model provides a fuel cell system with a drainage exhaust valve device, and belongs to the technical field of fuel cells. The technical problems of structural bulkiness and the like of the existing fuel cell system are solved. The fuel cell system with the drainage exhaust valve device comprises a pile and the drainage exhaust valve device, and is characterized in that the pile is provided with a pile hydrogen inlet, a pile water outlet and a pile hydrogen outlet, the pile hydrogen inlet is connected with a hydrogen supply system, the pile water outlet and the pile hydrogen outlet are connected with a tail exhaust pipe through the drainage exhaust valve device, and the pile hydrogen outlet is also connected with a hydrogen circulation system through the drainage exhaust valve device. The utility model has the advantages of compact structure and obvious improvement on the performance of the fuel cell system.
Description
Technical Field
The utility model belongs to the technical field of fuel cells, and relates to a fuel cell system, in particular to a fuel cell system with a drainage exhaust valve device.
Background
In the operation process of the fuel cell, hydrogen and air are required to be continuously supplied for reaction to generate electric energy, and finally the operation of the fuel cell vehicle is driven. After the hydrogen is reacted, the water produced by the fuel cell reaction and the unreacted hydrogen are discharged through a water separator. The exhaust valve has the functions that: the gas and the water are separated, and unreacted hydrogen enters the fuel cell system again through the hydrogen circulation system, so that the hydrogen utilization rate is improved. The drain valve has the functions that: the water produced by the fuel cell reaction is discharged into the tail pipe.
In the existing fuel cell system, two independent parts of a drain valve and an exhaust valve exist, and the drain valve and the exhaust valve are respectively installed in the fuel cell system, so that an installation interface in the fuel cell system is increased, and the system structure is bulkier.
Therefore, it is necessary to design a fuel cell system with a drain vent valve device.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a drainage exhaust valve device and a fuel cell system, which solve the problems of structural bulkiness and the like of the prior fuel cell system.
The aim of the utility model can be achieved by the following technical scheme: the fuel cell system with the drainage exhaust valve device comprises a pile and the drainage exhaust valve device, and is characterized in that the pile is provided with a pile hydrogen inlet, a pile water outlet and a pile hydrogen outlet, the pile hydrogen inlet is connected with a hydrogen supply system, the pile water outlet and the pile hydrogen outlet are connected with a tail exhaust pipe through the drainage exhaust valve device, and the pile hydrogen outlet is also connected with a hydrogen circulation system through the drainage exhaust valve device.
The hydrogen circulation system comprises a hydrogen circulation pump and a hydrogen injector, wherein the hydrogen injector is arranged between the hydrogen inlet of the electric pile and the hydrogen supply system, and the hydrogen circulation pump is arranged between the drainage exhaust valve device and the hydrogen injector.
The drainage exhaust valve device comprises a drainage valve and an exhaust valve, wherein the drainage valve is provided with a drainage valve inlet and a drainage valve outlet, the drainage valve inlet is communicated with a pile water outlet, the drainage valve outlet is communicated with a tail calandria, the exhaust valve is provided with an exhaust valve inlet, an exhaust valve gas outlet and an exhaust valve liquid outlet, the exhaust valve inlet is communicated with a pile hydrogen outlet, the exhaust valve gas outlet is communicated with a hydrogen circulating pump, and the exhaust valve liquid outlet is communicated with the tail calandria.
By adopting the structure, the hydrogen supply system supplies hydrogen to the electric pile through the hydrogen injector, unreacted hydrogen entering the electric pile enters the exhaust valve, after being separated by the exhaust valve, liquid is sunk into the bottom end of the exhaust valve and is discharged into the tail calandria through the water guide pipe, gas enters the hydrogen circulating pump through the exhaust hole, and enters the electric pile again through the hydrogen injector to participate in reaction, so that the hydrogen utilization rate is improved, and meanwhile, the exhaust valve and the exhaust valve are integrated into a whole, so that the fuel cell system is compact in structure.
The exhaust valve is characterized by further comprising a water diversion structure, wherein the water diversion structure comprises a water diversion part, the upper end of the water diversion part is provided with a water diversion air outlet, the water diversion part is provided with cyclone guide blades, the water diversion part is internally provided with a secondary water retaining part, and the lower end of the water diversion part is further provided with a water diversion air return cavity.
The water diversion part is also provided with a water diversion outer wall, and the exhaust valve is provided with a water diversion inner wall which can be matched with the water diversion outer wall.
By adopting the structure, under the action of the cyclone guide blade, the gas and the liquid are separated through the cooperation of the water diversion outer wall and the water diversion inner wall, and the secondary water retaining piece is arranged at the same time, so that the water diversion effect is better.
The water diversion outer wall is cylindrical.
The drain valve is arranged at the upper part of the exhaust valve.
The drain valve is arranged at the lower part of the exhaust valve.
Compared with the prior art, the utility model has the following advantages: by adopting the structure, the hydrogen supply system supplies hydrogen to the electric pile through the hydrogen injector, unreacted hydrogen entering the electric pile enters the exhaust valve, after being separated by the exhaust valve, liquid is sunk into the bottom end of the exhaust valve, and is discharged into the tail exhaust pipe through the water guide pipe, gas enters the hydrogen circulating pump through the exhaust hole, and enters the electric pile again through the hydrogen injector to participate in reaction, so that the hydrogen utilization rate is improved, and meanwhile, the exhaust valve and the exhaust valve are integrated into a whole, so that the fuel cell system has compact structure, and meanwhile, the performance of the fuel cell system is obviously improved.
Drawings
Fig. 1 is a schematic diagram of the principles of the present utility model.
Fig. 2 is a schematic perspective view of the drain valve device according to the present utility model.
Fig. 3 is a schematic plan view of the drainage exhaust valve device of the present utility model.
Fig. 4 is a schematic cross-sectional view of the drain valve device according to the present utility model.
Fig. 5 is a schematic perspective view of the water dividing structure of the present utility model.
Fig. 6 is a schematic cross-sectional view of the water dividing structure of the present utility model.
In the figure, 1, a hydrogen injector; 2. a galvanic pile; 21. a hydrogen inlet of the galvanic pile; 22. a stack drain outlet; 23. a hydrogen outlet of the electric pile; 3. a drain vent valve device; 4. a drain valve; 41. an inlet of the drain valve; 42. an outlet of the drain valve; 5. an exhaust valve; 51. an exhaust valve inlet; 52. a vent valve gas outlet; 53. a liquid discharge port of the exhaust valve; 6. a hydrogen circulation pump; 7. tail pipes; 8. a hydrogen supply system.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1 to 6, the fuel cell system with the drain vent valve device 3 comprises a cell stack 2 and the drain vent valve device 3, wherein in the embodiment, the cell stack 2 is provided with a cell stack hydrogen inlet 21, a cell stack drain outlet 22 and a cell stack hydrogen outlet 23, the cell stack hydrogen inlet 21 is connected with a hydrogen supply system 8, the cell stack drain outlet 22 and the cell stack hydrogen outlet 23 are both connected with a tail drain pipe 7 through the drain vent valve device 3, and the cell stack hydrogen outlet 23 is also connected with a hydrogen circulation system through the drain vent valve device 3.
The hydrogen circulation system includes a hydrogen circulation pump 6 and a hydrogen injector 1, the hydrogen injector 1 is disposed between the stack hydrogen inlet 21 and the hydrogen supply system 8, and the hydrogen circulation pump 6 is disposed between the drain vent valve device 3 and the hydrogen injector 1.
The drain vent valve device 3 includes a drain valve 4 and a vent valve 5, the drain valve 4 has a drain valve inlet 41 and a drain valve outlet 42, the drain valve inlet 41 communicates with the stack drain 22, the drain valve outlet 42 communicates with the tail stack 7, the vent valve 5 has a vent valve inlet 51, a vent valve gas outlet 52, and a vent valve liquid outlet 53, the vent valve inlet 51 communicates with the stack hydrogen outlet 23, the vent valve gas outlet 52 communicates with the hydrogen circulation pump 6, and the vent valve liquid outlet 53 communicates with the tail stack 7.
By adopting the structure, the hydrogen supply system 8 supplies hydrogen to the electric pile 2 through the hydrogen injector 1, unreacted hydrogen entering the electric pile 2 enters the exhaust valve 5, after being separated by the exhaust valve 5, liquid is sunk into the bottom end of the exhaust valve 5 and is discharged into the tail exhaust pipe 7 through the water guide pipe, gas enters the hydrogen circulating pump 6 through the exhaust hole, and enters the electric pile 2 again through the hydrogen injector 1 to participate in reaction, so that the hydrogen utilization rate is improved, and meanwhile, the exhaust valve 4 and the exhaust valve 5 are integrated into a whole, so that the fuel cell system has a compact structure.
The exhaust valve 5 is also provided with a water diversion structure, the water diversion structure comprises a water diversion part, the upper end of the water diversion part is provided with a water diversion air outlet, the water diversion part is provided with cyclone guide blades, the water diversion part is internally provided with a secondary water retaining part, and the lower end of the water diversion part is also provided with a water diversion air return cavity.
The water diversion part is also provided with a water diversion outer wall, and the exhaust valve 5 is provided with a water diversion inner wall which can be matched with the water diversion outer wall.
By adopting the structure, under the action of the cyclone guide blade, the gas and the liquid are separated through the cooperation of the water diversion outer wall and the water diversion inner wall, and the secondary water retaining piece is arranged at the same time, so that the water diversion effect is better.
The water diversion outer wall is cylindrical.
In one embodiment, the drain valve 4 is provided at an upper portion of the drain valve 5.
In another embodiment, the drain valve 4 is provided at a lower portion of the drain valve 5.
The relative positions of the drain valve 4 and the exhaust valve 5 can be adjusted according to the structure and arrangement of the fuel cell system.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (8)
1. The utility model provides a take fuel cell system of drainage discharge valve device, includes pile (2) and drainage discharge valve device (3), its characterized in that, pile (2) have pile hydrogen entry (21), pile outlet (22) and pile hydrogen export (23), pile hydrogen entry (21) be connected with hydrogen supply system (8), pile outlet (22) and pile hydrogen export (23) all be connected with tail calandria (7) through drainage discharge valve device (3), pile hydrogen export (23) still be connected with a hydrogen circulation system through drainage discharge valve device (3).
2. The fuel cell system with the drain vent valve device according to claim 1, wherein the hydrogen circulation system includes a hydrogen circulation pump (6) and a hydrogen injector (1), the hydrogen injector (1) is disposed between the stack hydrogen inlet (21) and the hydrogen supply system (8), and the hydrogen circulation pump (6) is disposed between the drain vent valve device (3) and the hydrogen injector (1).
3. The fuel cell system with the drain vent valve device according to claim 2, wherein the drain vent valve device (3) includes a drain valve (4) and a vent valve (5), the drain valve (4) has a drain valve inlet (41) and a drain valve outlet (42), the drain valve inlet (41) is communicated with the stack drain outlet (22), the drain valve outlet (42) is communicated with the tail drain pipe (7), the vent valve (5) has a vent valve inlet (51), a vent valve gas outlet (52) and a vent valve liquid outlet (53), the vent valve inlet (51) is communicated with the stack hydrogen outlet (23), the vent valve gas outlet (52) is communicated with the hydrogen circulation pump (6), and the vent valve liquid outlet (53) is communicated with the tail drain pipe (7).
4. The fuel cell system with the exhaust valve device according to claim 3, wherein the exhaust valve (5) further has a water diversion structure, the water diversion structure comprises a water diversion member, the upper end of the water diversion member is provided with a water diversion air outlet, the water diversion member is provided with cyclone guide blades, the water diversion member is internally provided with a secondary water retaining member, and the lower end of the water diversion member is further provided with a water diversion air return cavity.
5. The fuel cell system with the drain vent valve device according to claim 4, wherein the water dividing member further has a water dividing outer wall, and the vent valve (5) is provided with a water dividing inner wall capable of being mated with the water dividing outer wall.
6. The fuel cell system with a drain vent valve device according to claim 5, wherein the water dividing outer wall has a cylindrical shape.
7. A fuel cell system with a drain valve device according to claim 3, wherein the drain valve (4) is provided at an upper portion of the drain valve (5).
8. A fuel cell system with a drain valve device according to claim 3, wherein the drain valve (4) is provided at a lower portion of the drain valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320660591.XU CN219843002U (en) | 2023-03-30 | 2023-03-30 | Fuel cell system with drainage exhaust valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320660591.XU CN219843002U (en) | 2023-03-30 | 2023-03-30 | Fuel cell system with drainage exhaust valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219843002U true CN219843002U (en) | 2023-10-17 |
Family
ID=88302150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320660591.XU Active CN219843002U (en) | 2023-03-30 | 2023-03-30 | Fuel cell system with drainage exhaust valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219843002U (en) |
-
2023
- 2023-03-30 CN CN202320660591.XU patent/CN219843002U/en active Active
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| GR01 | Patent grant |