CN216213584U - Hydrogen fuel cell oxidant purifier - Google Patents
Hydrogen fuel cell oxidant purifier Download PDFInfo
- Publication number
- CN216213584U CN216213584U CN202122390814.9U CN202122390814U CN216213584U CN 216213584 U CN216213584 U CN 216213584U CN 202122390814 U CN202122390814 U CN 202122390814U CN 216213584 U CN216213584 U CN 216213584U
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- China
- Prior art keywords
- water storage
- air
- water
- fuel cell
- layer
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- 239000000446 fuel Substances 0.000 title claims abstract description 32
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000001257 hydrogen Substances 0.000 title claims abstract description 23
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 23
- 239000007800 oxidant agent Substances 0.000 title claims abstract description 16
- 230000001590 oxidative effect Effects 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 238000000746 purification Methods 0.000 claims abstract description 41
- 239000007921 spray Substances 0.000 claims abstract description 19
- 238000005507 spraying Methods 0.000 claims abstract description 12
- 239000000428 dust Substances 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 15
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 44
- 238000001914 filtration Methods 0.000 description 12
- 239000007789 gas Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000004887 air purification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 239000002156 adsorbate Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model discloses a hydrogen fuel cell oxidant purifying device, which is used for connecting an air inlet, an air outlet and a water outlet of a galvanic pile, it comprises a spray purification chamber, a water storage tank, a physical filter, a fuel cell filter and a water pump, wherein the spray purification chamber and the water storage tank both comprise a water storage layer and an air layer, an air layer is arranged above the water storage layer, the air inlet of the galvanic pile, the fuel cell filter, the air layer of the spray purification chamber and the physical filter are sequentially communicated through an air pipe, the physical filter is filled with outside air, the air outlet of the galvanic pile is communicated with the air layer of the water storage tank through an air pipe, the water outlet of the galvanic pile is communicated with the water storage layer of the water storage tank through a water pipe, the water storage layer of the water storage tank, the water pump inlet and the water storage layer of the spray purification chamber are communicated with each other through a water pipe, the top end of the spraying purification chamber is provided with a water inlet which is communicated with the outlet of the water pump through a water pipe. The device has realized carrying out abundant beneficial effect of purifying to the air that contains impurity comparatively abominable.
Description
Technical Field
The utility model relates to the technical field of hydrogen fuel cells, in particular to a hydrogen fuel cell oxidant purifying device.
Background
The working process of the hydrogen fuel cell is a power generation process in which oxygen in ambient air and high-purity hydrogen from a hydrogen storage tank are subjected to electrochemical reaction, but dust, sodium chloride particles, hydrogen sulfide, sulfur dioxide, nitrogen dioxide, ammonia and other harmful gases in the air can affect the hydrogen fuel cell.
At present, in order to solve the influence of the substances on the hydrogen fuel cell, a commonly used scheme is that an air filter is arranged at an air inlet, the air filter has two filtering functions of a physical filtering layer and a chemical filtering layer, the physical filtering layer adopts non-woven fabrics to filter dust particles, the chemical filtering layer adopts chemical reaction to filter harmful gas, the physical filtering layer is cleaned and maintained by adsorbates according to certain running time or when the pressure drop of air filtering reaches a certain value, and a filter element comprising the physical filtering layer and the chemical filtering layer is replaced and maintained according to certain running time. The concentration and composition of air impurities, however, is influenced by a variety of factors, such as geographic environment, weather conditions, application scenarios, and the like. The heavy truck guided by the policy at the present stage is applied to coal, muck, other mines, container stations, chemical plants and the like, the concentration of air impurities is far higher than that of other places, and the micro dust non-woven fabric cannot be filtered. The existing air filtering scheme has the problems that the maintenance frequency increases the operation cost in the application scenes, dust particles cannot be effectively filtered and then enter a chemical filtering layer to cause the reduction of the chemical filtering effect, and finally, the performance and the service life of the dust and harmful gas enter a hydrogen fuel cell to cause the reduction of the performance and the service life.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a purification device which can fully filter the air which participates in the reaction and has relatively severe impurity concentration and components.
In order to solve the above technical problems, the present invention needs to provide an oxidant purification device for a hydrogen fuel cell, which is used for connecting a stack gas inlet, a stack gas outlet and a stack water outlet, it comprises a spray purification chamber, a water storage tank, a physical filter, a fuel cell filter and a water pump, wherein the spray purification chamber and the water storage tank both comprise a water storage layer and an air layer, an air layer is arranged above the water storage layer, the air inlet of the galvanic pile, the fuel cell filter, the air layer of the spray purification chamber and the physical filter are sequentially communicated through an air pipe, the physical filter is filled with outside air, the air outlet of the galvanic pile is communicated with the air layer of the water storage tank through an air pipe, the water outlet of the galvanic pile is communicated with the water storage layer of the water storage tank through a water pipe, the water storage layer of the water storage tank, the water pump inlet and the water storage layer of the spray purification chamber are communicated with each other through a water pipe, the top end of the spraying purification chamber is provided with a water inlet which is communicated with the outlet of the water pump through a water pipe.
According to one embodiment of the utility model, the purification device further comprises a dust detector arranged on the air pipe between the physical filter and the air layer of the spray purification chamber.
According to one embodiment of the utility model, the purification device further comprises a first drain valve, the first drain valve is arranged on a water pipe of the water storage layer of the spray purification chamber, the water storage layer of the water storage tank and the inlet of the water pump, and the first drain valve is arranged close to the spray purification chamber.
According to one embodiment of the utility model, the air layer of the water storage tank is provided with an air outlet, the water storage layer of the water storage tank is provided with a second drain valve, the water storage layer is further provided with a high-level liquid level switch and a low-level liquid level switch, and the high-level liquid level switch is spaced from the low-level liquid level switch away from the bottom end of the water storage tank.
According to one embodiment of the utility model, the purification device further comprises a controller, and the controller is electrically connected with the water pump, the dust detector, the first drain valve, the second drain valve and the liquid level switch respectively.
According to one embodiment of the utility model, the purification device further comprises a temperature and humidity control system provided on an air pipe communicating between the fuel cell filter and the air inlet of the stack.
The utility model has the technical effects that:
1. the utility model discloses a hydrogen fuel cell oxidant purification device which realizes the beneficial effect of fully purifying air with relatively severe impurity concentration and components through multiple purification of a physical filter, a spray purification chamber, a fuel cell filter and the like.
2. According to the utility model, water generated by the galvanic reactor reaction is stored through the water storage tank, the water storage tank is pumped to the spraying purification chamber by the water pump to continuously purify air, so that the water is recycled, and further, the energy is saved and the environment is protected.
3. According to the utility model, the reasonable rotating speed and starting and stopping of the water pump are intelligently controlled by the controller according to the air flow and the dust concentration, so that the energy consumption of the device is reduced, and the system efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a hydrogen fuel cell oxidant purification device of the present invention;
fig. 2 is a control flow chart of an oxidizer cleaning device for a hydrogen fuel cell of the present invention.
Reference numerals: 1-a physical filter; 1 a-an air inlet; 2-a dust detector; 3-spraying a purifying chamber; 4-a first drain valve; 5-fuel cell filter; 6, a water pump; 7-a controller; 8-a water storage tank; 81-high level liquid level switch; 82-low level liquid level switch; 83-an exhaust port; 84-a water discharge port; 9-a second drain valve; 10-temperature and humidity control system; 11 a-stack inlet; 11 b-stack vent and drain.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
As shown in fig. 1 and fig. 2, air in the environment enters a physical filter 1 through an air inlet 1a and then enters a spraying purification chamber 3, when the information fed back to a controller 7 by a dust detector 2 is that dust exceeds the standard, the controller 7 controls the rotating speed of a water pump 6 according to the air flow, so that the spraying flow of the spraying purification chamber 3 can meet the air purification requirement, simultaneously controls the switch of a first drain valve 4 according to the rotating speed pulse of the water pump 6 to prevent the spraying purification chamber 3 from accumulating water, the purified air enters a fuel cell filter 5, is further filtered and then enters a galvanic pile from an air inlet 11a of the galvanic pile through the adjustment of a temperature and humidity control system 10 to participate in a reaction, water and gas discharged from the galvanic pile enter a water storage tank 8 through an air outlet and an water outlet 11b of the galvanic pile, the gas is discharged through an air outlet 83, and the water is stored and then is input into the spraying purification chamber 3 through the water pump 6 for air purification, the water storage tank 8 feeds back the water storage state to the controller 7 through the high-level liquid level switch 81 and the low-level liquid level switch 82, and the controller 7 controls the second drain valve 9 to be switched on and off according to the state pulse of the pile running power, the high-level liquid level switch 81 and the low-level liquid level switch 82, so that the water storage tank 8 is prevented from being lack of water or blocked.
As shown in fig. 1 and 2, a controller 7 of the hydrogen fuel cell oxidant purifying device is electrically connected with a dust detector 2, a first drain valve 4, a water pump 6, a water storage tank 8 and a second drain valve 9, wherein the controller 7 is electrically connected with the dust detector 2, the first drain valve 4, the water pump 6 and the second drain valve 9.
As shown in fig. 1 and fig. 2, after the controller 7 detects that the concentration of the dust uploaded by the dust detector 2 is too high, the stored water is circulated to the spray purification chamber 3 by the water pump 6 to purify the air; the controller 7 intelligently controls the water pump 6 to match reasonable rotating speed and start and stop according to the air flow and the dust concentration, so that the energy consumption of the device is reduced, and the system efficiency is improved; controlling the opening and closing of the first drain valve 4 and the second drain valve 9; and detecting the high and low liquid levels of the water storage tank 8.
As shown in figure 1, a water pump 6 of hydrogen fuel cell oxidant purifier, water pump 6 are adjustable speed water pump, match reasonable rotational speed through controller 7 intelligent control according to the size of air mass flow, and water pump 6 does not start when the dust is not superscript and the air does not need extra humidification in the air, reduces the device energy consumption, promotes system efficiency.
As shown in fig. 1, the first drain valve 4 is normally closed, so as to prevent air input or air output to the inlet of the water pump 6 from influencing the operation of the water pump 6; when the water pump is operated and the spraying purification chamber 3 is opened when water is stored, the discharged water returns to the inlet of the water pump 6 for recycling.
As shown in fig. 1 and 2, the water storage tank 8 further has a water-vapor separation function, the air outlet is directly arranged above to the environment, the water outlet is arranged below, and the water storage state is fed back to the controller 7 through a high-level liquid level switch 81 and a low-level liquid level switch 82 to control the second drain valve 9 to drain water.
As shown in FIG. 1, the temperature and humidity control system 10 in the device has a certain humidification function for air, and a humidifier in the system can be configured in a derating way, so that the cost is reduced.
It should be noted that, in the description of the present specification, the terms "first" and "second" are used for descriptive purposes only and to distinguish similar objects, and there is no precedence order between the two, and no indication or implication of relative importance is to be understood.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (6)
1. A hydrogen fuel cell oxidant purifying device is used for connecting an air inlet, an air outlet and a water outlet of a galvanic pile, which comprises a spray purification chamber, a water storage tank, a physical filter, a fuel cell filter and a water pump, and is characterized in that, the spraying purification chamber and the water storage tank both comprise a water storage layer and an air layer, the air layer is arranged above the water storage layer, the air inlet of the galvanic pile, the fuel cell filter, the air layer of the spray purification chamber and the physical filter are communicated in turn through an air pipe, the physical filter is filled with outside air, the air outlet of the galvanic pile is communicated with the air layer of the water storage tank through an air pipe, the water outlet of the galvanic pile is communicated with the water storage layer of the water storage tank through a water pipe, the water storage layer of the water storage tank, the water pump inlet and the water storage layer of the spray purification chamber are communicated with each other through a water pipe, the top end of the spraying purification chamber is provided with a water inlet which is communicated with the outlet of the water pump through a water pipe.
2. The hydrogen fuel cell oxidant purification device of claim 1, further comprising a dust detector, said dust detector being located on the air pipe between the physical filter and the air layer of the spray clean room.
3. The oxidant purifying device for hydrogen fuel cell as recited in claim 1, further comprising a first drain valve, said first drain valve being disposed on a water pipe connecting said water storage layer of said spray purification chamber with said water storage layer of said water storage tank and an inlet of said water pump, said first drain valve being disposed near said spray purification chamber.
4. The oxidant purifying device for hydrogen fuel cell as claimed in claim 1, wherein the air layer of the water storage tank is provided with an exhaust port, the water storage layer of the water storage tank is provided with a second drain valve, the water storage layer is further provided with a high level switch and a low level switch, and the high level switch is spaced apart from the bottom end of the water storage tank and the low level switch.
5. The hydrogen fuel cell oxidant purification device of any one of claims 1-4, wherein the purification device further comprises a controller, and the controller is electrically connected with the water pump, the dust detector, the first drain valve, the second drain valve and the liquid level switch respectively.
6. The hydrogen fuel cell oxidant purification device of claim 1, further comprising a temperature and humidity control system disposed in an air conduit communicating between said fuel cell filter and the stack inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122390814.9U CN216213584U (en) | 2021-09-29 | 2021-09-29 | Hydrogen fuel cell oxidant purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122390814.9U CN216213584U (en) | 2021-09-29 | 2021-09-29 | Hydrogen fuel cell oxidant purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216213584U true CN216213584U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122390814.9U Active CN216213584U (en) | 2021-09-29 | 2021-09-29 | Hydrogen fuel cell oxidant purifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115863714A (en) * | 2023-02-23 | 2023-03-28 | 四川能投氢能产业投资有限公司 | Air circulation device and system for hydrogen fuel cell |
-
2021
- 2021-09-29 CN CN202122390814.9U patent/CN216213584U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115863714A (en) * | 2023-02-23 | 2023-03-28 | 四川能投氢能产业投资有限公司 | Air circulation device and system for hydrogen fuel cell |
| CN115863714B (en) * | 2023-02-23 | 2023-06-02 | 四川能投氢能产业投资有限公司 | Hydrogen fuel cell air circulation device and system |
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