CN211045604U - Water separator of hydrogen fuel cell tail gas circulation system - Google Patents
Water separator of hydrogen fuel cell tail gas circulation system Download PDFInfo
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- CN211045604U CN211045604U CN202020024536.8U CN202020024536U CN211045604U CN 211045604 U CN211045604 U CN 211045604U CN 202020024536 U CN202020024536 U CN 202020024536U CN 211045604 U CN211045604 U CN 211045604U
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- tank body
- filter screen
- fuel cell
- water separator
- hydrogen fuel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model discloses a hydrogen fuel cell tail gas circulation system's water separator, including last jar of body and the lower jar of body that links to each other with last jar of body, the lateral wall upper portion of going up jar of body is equipped with the air inlet, the inside of going up jar of body is provided with the center tube, the gas outlet on center tube and the last jar of body communicates with each other and forms the passageway of gas outflow water separator, the lower extreme intercommunication filter screen box of center tube, set up in the filter screen lid of filter screen box lower extreme compresses tightly and is located filter screen in the filter screen box, be equipped with the feed liquor hole that supplies liquid water to pass through on the filter screen lid, the inside of the jar body is equipped with the stock solution chamber down, jar body bottom is equipped with the through. The utility model discloses can separate and store unnecessary liquid water in the produced tail gas of hydrogen fuel cell to reduce the work load of hydrogen circulating pump.
Description
Technical Field
The utility model relates to a hydrogen fuel cell technical field, concretely relates to hydrogen fuel cell tail gas circulation system's water separator.
Background
The replacement of traditional fuel vehicles by new energy vehicles has become a trend, which is rapidly developed particularly under the support of relevant policies and funds of national government departments. Many manufacturers have started research and development projects for new energy vehicles and invested a lot of manpower and capital. The hydrogen fuel cell is used as a substitute energy of a fuel automobile, and attracts the attention of various manufacturers at home and abroad, and particularly, the research and development of the hydrogen fuel cell automobile are increasingly high at home, and the development speed is also remarkable.
Hydrogen fuel cell is in the actual work, because water humidification effect, and the existence of reaction resultant normal water, these water inevitably can accompany hydrogen tail gas discharge battery, get into the hydrogen circulating pump in the lump, by reuse, water among the hydrogen tail gas can increase the work load of hydrogen circulating pump, cause hydrogen circulating pump poor work even, water in the hydrogen tail gas constantly gathers simultaneously, can block battery hydrogen passageway when serious, induce battery poor work, in order to solve above-mentioned problem, need come out and discharge with some moisture in the hydrogen tail gas.
SUMMERY OF THE UTILITY MODEL
Discharge after separating, storing in order to be unnecessary liquid water with hydrogen tail gas to reduce the work load of hydrogen circulating pump, prevent that the pile from being blocked by water, the utility model aims to provide a hydrogen fuel cell tail gas circulating system's water separator.
In order to achieve the above object, the utility model provides a following technical scheme:
a water separator of a hydrogen fuel cell tail gas circulation system comprises an upper tank body and a lower tank body connected with the upper tank body, wherein an air inlet is formed in the upper part of the side wall of the upper tank body, a central pipe is arranged inside the upper tank body, the central pipe is communicated with an air outlet on the upper tank body and forms a channel of a gas outflow water separator, the lower end of the central pipe is communicated with a filter screen box, a filter screen box cover arranged at the lower end of the filter screen box tightly presses a filter screen in the filter screen box, a liquid inlet hole for liquid water to pass through is formed in the filter screen box cover, a liquid storage cavity is formed inside the lower tank body, a through hole is formed in the bottom of the lower tank body, and a;
the lower tank body is provided with a liquid level sensor mounting hole for installing a liquid level sensor, a measuring head of the liquid level sensor extends into the liquid storage cavity, when water flowing into the liquid storage cavity is increased continuously until the liquid level rises to the measuring head of the liquid level sensor, the liquid level sensor sends an electric signal and sends the electric signal to the controller, the controller controls the electromagnetic valve to be opened, and the water in the liquid storage cavity is discharged through the electromagnetic valve.
Preferably, the liquid level sensor is connected with a liquid level sensor mounting hole on the lower tank body through threads.
Preferably, the lower tank body is connected with the upper tank body through screws, and the lower tank body is sealed with the upper tank body through an O-shaped ring.
Preferably, the central axis of the upper tank body coincides with the central axis of the central tube, and the upper part of the central tube is fixedly connected with the upper tank body through threads.
Preferably, the lower part of the central tube is provided with an external thread structure, and the filter screen box cover are both connected with the lower part of the central tube through threads.
Preferably, the lower tank body is fixedly connected with the electromagnetic valve through a screw, and the lower tank body is kept sealed with the electromagnetic valve through an O-shaped ring.
Preferably, the lower tank body on be equipped with the mounting panel, set up on the mounting panel and carry out fixed connection's mounting hole with whole car.
Preferably, the diameters of the liquid inlet holes on the filter screen box cover are unequal.
Compared with the prior art, the beneficial effects of the utility model are that:
the hydrogen tail gas mixed with liquid water enters the upper tank body from the air inlet along the tangential direction and then rotates along the inner wall, under the action of centrifugal force, liquid drops with large mass are thrown to the inner wall of the water separator, flow downwards along the inner wall of the water separator under the action of gravity, pass through the filter screen box and flow into the liquid storage cavity, water drops with small particles flow to the filter screen along with gas and collide with the filter screen, thereby changing the moving direction, reducing the moving speed, attaching to the filter screen, gradually accumulating and fusing the following small particles in the same state into large particle water drops, the liquid level sensor sends out an electric signal and sends the electric signal to the controller when the water flowing into the liquid storage cavity is continuously increased and the liquid level is gradually increased to completely submerge the measuring head of the liquid level sensor, when the controller receives the signal, the electromagnetic valve is controlled to be opened, and water in the liquid storage cavity is discharged through the electromagnetic valve; the utility model discloses discharge after separating, storing unnecessary liquid water in the hydrogen tail gas, reduced the work load of hydrogen circulating pump, prevent that the pile from being blocked by water, reduce pile fault rate.
Drawings
Fig. 1 is a schematic structural diagram of a water separator of a hydrogen fuel cell exhaust gas circulation system according to an embodiment of the present invention;
FIG. 2 is a schematic A-A diagram of FIG. 1;
FIG. 3 is a view from the direction B of FIG. 1;
figure 4 is an isometric view of a water separator of a hydrogen fuel cell exhaust gas recirculation system in an embodiment of the present invention;
in the figure, 1, an upper tank body, 2, an air inlet mounting screw, 3, an air inlet, 4, a central pipe, 5, a first O-shaped ring, 6, a lower tank body, 7, a liquid level sensor, 8, a liquid level sensor mounting hole, 9, an electromagnetic valve, 10, a filter screen box cover, 11, a filter screen box, 12, a filter screen, 13, an air inlet O-shaped ring, 14, a screw, 15, a water inlet, 16, a second O-shaped ring, 17, a liquid storage cavity, 19, a mounting plate, 20, a mounting hole, 21 and an air outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, 2, 3 and 4, a water separator of a hydrogen fuel cell tail gas circulation system comprises an upper tank 1 and a lower tank 6 connected with the upper tank 1, wherein an air inlet 3 is arranged at the upper part of the side wall of the upper tank 1, the air inlet 3 is connected with the upper tank 1 through an air inlet mounting screw 2, the air inlet 3 and the upper tank 1 are kept sealed through an air inlet O-ring 13, a central tube 4 is arranged inside the upper tank 1, the central tube 4 is communicated with an air outlet 21 on the upper tank 1 and forms a channel of a gas outflow water separator, the lower end of the central tube 4 is communicated with a filter screen box 11, a filter screen box cover 10 arranged at the lower end of the filter screen box 11 compresses a filter screen 12 positioned in the filter screen box 11, a liquid inlet hole for liquid water to pass through is arranged on the filter screen box cover 10, a liquid storage cavity 17 is arranged inside the lower tank 6, the bottom of the lower tank body 6 is provided with a through hole, and a water inlet 15 of the electromagnetic valve 9 is communicated with the through hole on the lower tank body 6;
the lower tank body 6 is provided with a liquid level sensor mounting hole 8 for installing a liquid level sensor 7, a measuring head of the liquid level sensor 7 extends into the liquid storage cavity 17, when water flowing into the liquid storage cavity 17 is continuously increased until the liquid level rises to completely submerge the measuring head of the liquid level sensor 7, the liquid level sensor 7 sends an electric signal and sends the electric signal to a controller, the controller controls the electromagnetic valve 9 to be opened, and the water in the liquid storage cavity 17 is discharged through the electromagnetic valve 9.
The liquid level sensor 7 is connected with a liquid level sensor mounting hole 8 on a lower tank body 6 through a thread, the lower tank body 6 is connected with an upper tank body 1 through a screw 14, the lower tank body 6 is sealed with the upper tank body 1 through a first O-shaped ring 5, the central axis of the upper tank body 1 is coincided with the central axis of a central tube 4, the upper part of the central tube 4 is fixedly connected with the upper tank body 1 through a screw, the lower part of the central tube 4 is of an external thread structure, a filter screen box 11 and a filter screen box cover 10 are both connected with the lower part of the central tube 4 through threads, the lower tank body 6 is connected with an electromagnetic valve 9 through a screw fastening, the lower tank body 6 is sealed with the electromagnetic valve 9 through a second O-shaped ring 16, a mounting plate 19 is arranged on the lower tank body 6, and a mounting hole 20 fixedly connected with the whole vehicle is formed in the, the diameters of the liquid inlet holes on the filter screen box cover 10 are unequal.
The hydrogen tail gas mixed with liquid water enters the upper tank body 1 from the air inlet 3 along the tangential direction and then rotates along the inner wall, under the action of centrifugal force, liquid drops with large mass are thrown to the inner wall of the water separator and flow downwards along the inner wall of the water separator under the action of gravity, the liquid drops pass through the filter screen box 11, the filter screen 12 and the filter screen box cover 10 and flow into the liquid storage cavity 17, water drops with small particles flow to the filter screen 12 along with gas and collide with the filter screen 12, so that the movement direction is changed, the water drops are attached to the filter screen 12 after the movement speed is reduced, the small particles in the same state as follow-up liquid drops are gradually accumulated and fused into large-particle water drops, the small-particle water drops flow downwards to the liquid storage cavity 17 under the push of air flow, when the water flowing into the liquid storage cavity 17 is continuously increased and the liquid level is gradually increased to completely immerse a measuring head of, the water in the liquid storage cavity 17 is discharged through the electromagnetic valve 9; the utility model discloses discharge after separating, storing unnecessary liquid water in the hydrogen tail gas, reduced the work load of hydrogen circulating pump, prevent that the pile from being blocked by water, reduce pile fault rate.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or scope of the invention as defined in the accompanying claims.
Claims (8)
1. The utility model provides a hydrogen fuel cell tail gas circulation system's water separator, includes jar body and the lower jar of body that links to each other with last jar body, its characterized in that: the upper part of the side wall of the upper tank body is provided with an air inlet, a central pipe is arranged in the upper tank body, the central pipe is communicated with an air outlet on the upper tank body and forms a channel of a gas outflow water separator, the lower end of the central pipe is communicated with a filter screen box, a filter screen box cover arranged at the lower end of the filter screen box tightly presses a filter screen positioned in the filter screen box, a liquid inlet hole for liquid water to pass through is arranged on the filter screen box cover, a liquid storage cavity is arranged in the lower tank body, the bottom of the lower tank body is provided with a through hole, and a water inlet of the electromagnetic;
the lower tank body is provided with a liquid level sensor mounting hole for installing a liquid level sensor, a measuring head of the liquid level sensor extends into the liquid storage cavity, when water flowing into the liquid storage cavity is increased continuously until the liquid level rises to the measuring head of the liquid level sensor, the liquid level sensor sends an electric signal and sends the electric signal to the controller, the controller controls the electromagnetic valve to be opened, and the water in the liquid storage cavity is discharged through the electromagnetic valve.
2. The water separator of a hydrogen fuel cell off-gas recycle system according to claim 1, wherein: the liquid level sensor is connected with the liquid level sensor mounting hole on the lower tank body through threads.
3. The water separator of the hydrogen fuel cell off-gas circulation system according to claim 2, characterized in that: the lower tank body is connected with the upper tank body through screws, and the lower tank body and the upper tank body are kept sealed through O-shaped rings.
4. The water separator of the hydrogen fuel cell off-gas circulation system according to claim 2, characterized in that: the central shaft of the upper tank body is coincided with the central shaft of the central pipe, and the upper part of the central pipe is fixedly connected with the upper tank body through threads.
5. The water separator of a hydrogen fuel cell off-gas recycle system according to claim 3, wherein: the lower part of the central tube is designed into an external thread structure, and the filter screen box cover are both connected with the lower part of the central tube through threads.
6. The water separator of a hydrogen fuel cell off-gas recycle system according to claim 5, wherein: the lower tank body is tightly connected with the electromagnetic valve through screws, and the lower tank body is sealed with the electromagnetic valve through an O-shaped ring.
7. The water separator of a hydrogen fuel cell off-gas recycle system according to any one of claims 1 to 6, characterized in that: the lower tank body on be equipped with the mounting panel, set up on the mounting panel and carry out fixed connection's mounting hole with whole car.
8. The water separator of a hydrogen fuel cell off-gas recycle system according to claim 7, wherein: the diameters of the liquid inlet holes in the filter screen box cover are unequal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020024536.8U CN211045604U (en) | 2020-01-07 | 2020-01-07 | Water separator of hydrogen fuel cell tail gas circulation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020024536.8U CN211045604U (en) | 2020-01-07 | 2020-01-07 | Water separator of hydrogen fuel cell tail gas circulation system |
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| CN211045604U true CN211045604U (en) | 2020-07-17 |
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| CN202020024536.8U Active CN211045604U (en) | 2020-01-07 | 2020-01-07 | Water separator of hydrogen fuel cell tail gas circulation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111129553A (en) * | 2020-01-07 | 2020-05-08 | 合肥威尔燃油系统股份有限公司北京分公司 | Water separator of hydrogen fuel cell tail gas circulation system |
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2020
- 2020-01-07 CN CN202020024536.8U patent/CN211045604U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111129553A (en) * | 2020-01-07 | 2020-05-08 | 合肥威尔燃油系统股份有限公司北京分公司 | Water separator of hydrogen fuel cell tail gas circulation system |
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Address after: 100000 Beijing Tongzhou Zhongguancun Science and Technology Park Tongzhou Park Optical Mechanical and Electrical Integration Industrial Base Patentee after: Anhui Weill Low Carbon Technology Co.,Ltd. Beijing Branch Patentee after: Anhui Weil Low Carbon Technology Co.,Ltd. Address before: 100000 Beijing Tongzhou Zhongguancun Science and Technology Park Tongzhou Park Optical Mechanical and Electrical Integration Industrial Base Patentee before: BEIJING BRANCH, HEFEI WAL FUEL SYSTEMS Co.,Ltd. Patentee before: Anhui Weil Low Carbon Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230706 Address after: No.59, fozhang Road, Hefei Economic and Technological Development Zone, Anhui 230000 Patentee after: Anhui Weil Low Carbon Technology Co.,Ltd. Patentee after: Hefei Weilin New Energy Co.,Ltd. Address before: 1 / F, No.6 Guanglian Industrial Park, 2 Kechuang East 5th Street, Tongzhou Park, Zhongguancun Science and Technology Park, Tongzhou District, Beijing Patentee before: Anhui Weill Low Carbon Technology Co.,Ltd. Beijing Branch Patentee before: Anhui Weil Low Carbon Technology Co.,Ltd. |