CN211182373U - Fuel cell system with air purification and humidification device - Google Patents
Fuel cell system with air purification and humidification device Download PDFInfo
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- CN211182373U CN211182373U CN202020165982.0U CN202020165982U CN211182373U CN 211182373 U CN211182373 U CN 211182373U CN 202020165982 U CN202020165982 U CN 202020165982U CN 211182373 U CN211182373 U CN 211182373U
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- fuel cell
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- dust remover
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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 provides a fuel cell system, which comprises a first air compressor, a fuel cell stack, an air purification device and an air humidifying device, wherein the air purification device comprises a first dust remover, an active carbon filter and a second dust remover, and the air humidifying device comprises a condenser, a water storage device, a water pump and an ultrasonic atomizer; the first dust remover, the activated carbon filter, the second dust remover, the first air compressor, the fuel cell stack and the condenser are sequentially connected through pipelines; the condenser is provided with a gas outlet and a liquid outlet, the liquid outlet of the condenser is connected with the water storage device, the water pump and the ultrasonic atomizer are sequentially connected through a pipeline, and the pipeline between the first air compressor and the fuel cell stack is connected with the outlet of the ultrasonic atomizer. The utility model discloses a fuel cell system avoids fuel cell to be polluted by the pollutant in the air when can conveniently be for fuel cell pile humidification, prevents that fuel cell energy conversion efficiency from declining.
Description
Technical Field
The utility model relates to a fuel cell field, concretely relates to fuel cell system with air purification and humidification device.
Background
The fuel cell is a device for directly converting chemical energy of fuel into electric energy through electrochemical reaction, has the advantages of cleanness, no pollution, high energy conversion efficiency, high energy density and the like, and has wide application prospect in the fields of transportation, signal base stations and the like.
The core components of a fuel cell mainly include a Membrane Electrode Assembly (MEA) composed of a polymer electrolyte membrane having an anode and a cathode assembled on both sides, a gas diffusion layer, and bipolar plates. Gas diffusion layers are located on both sides of the membrane electrode assembly. The bipolar plate includes an anode plate and a cathode plate joined to each other, the anode plate being in contact with the anode-side gas diffusion layer, and the cathode plate being in contact with the cathode-side gas diffusion layer. Air enters a cathode plate flow channel and diffuses through a gas diffusion layer to reach the surface of a cathode catalyst; hydrogen enters the anode plate flow channel, diffuses through the gas diffusion layer, is separated into protons and electrons under the action of the catalyst, and the protons pass through the polymer electrolyte membrane to reach the cathode and are combined with oxygen in the air on the surface of the cathode catalyst to generate water under the action of the catalyst; the electrons which can not pass through the proton exchange membrane flow out to an external circuit through the gas diffusion layer and the bipolar plate to generate electric energy. The passage of protons through the polymer electrolyte membrane requires water as a carrier, which, if the polymer electrolyte membrane is deficient in water, results in a reduction in the efficiency of proton transport, seriously affecting the fuel cell performance. In addition, when the air-conditioning system is used in a special environment (such as a mine site) with a large dust content in the air, the air contains a large amount of pollutants such as dust and organic molecules, and the pollutants can block gas transmission channels in the fuel cell, poison the catalyst and seriously affect the performance of the fuel cell.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can overcome prior art's defect, carry out humidification and purification to the air that gets into the fuel cell pile, avoid the fuel cell pile to lack water, avoid fuel cell to be polluted by the pollutant in the air simultaneously fuel cell system with air purification and humidification device.
The technical scheme is as follows: the utility model provides a fuel cell system, which comprises a first air compressor, a fuel cell stack, an air purification device and an air humidifying device, wherein the air purification device comprises a first dust remover, an active carbon filter and a second dust remover, and the air humidifying device comprises a condenser, a water storage device, a water pump and an ultrasonic atomizer; the first dust remover, the activated carbon filter, the second dust remover, the first air compressor, the fuel cell stack and the condenser are sequentially connected through a pipeline along the air flowing direction; the condenser is provided with a gas outlet and a liquid outlet, the liquid outlet of the condenser is connected with the water storage device, the water pump and the ultrasonic atomizer are sequentially connected through a pipeline, and the pipeline between the first air compressor and the fuel cell stack is connected with the outlet of the ultrasonic atomizer.
Preferably, a second air compressor is arranged between the first dust remover and the activated carbon filter, and a gas outlet of the condenser is connected with the atmosphere; the air inlet of the first dust remover is connected with an air pump.
The first air compressor and the second air compressor use air compressors known in the art; the first dust remover and the second dust remover are existing dust removers, preferably, the first dust remover is an electrostatic dust remover, and the second dust remover is a bag type dust remover; the active carbon filter is a conventional active carbon filter and is used for adsorbing pollutant components such as organic matters in the air; the condenser is an existing condenser and is used for condensing water vapor in the pipeline; the water storage device is used for storing water obtained by condensation of the condenser, and an existing device capable of storing water can be selected according to the specific condition of the fuel cell system; the ultrasonic atomizer is a conventional ultrasonic atomizer for atomizing water supplied from a water pump to humidify air to be supplied to a fuel cell stack, and preferably has an oscillation frequency of 1.7MHz to 2.4 MHz.
The utility model discloses a theory of operation is: the air firstly enters a first dust remover, most dust in the air is removed under the action of the first dust remover, then the air enters an activated carbon filter, some organic pollutants in the air are removed under the action of the activated carbon filter, then the air enters a second dust remover, the second dust remover removes activated carbon dust brought by the activated carbon filter in the air, and then the air enters a first air compressor; water in the water storage device enters an ultrasonic atomizer under the action of a water pump, forms water mist under the action of the ultrasonic atomizer and is mixed with air flowing out of a first air compressor in a pipeline to form humidified air, and the humidified air enters a fuel cell stack to provide oxygen required by cathode reaction on one hand and humidify a polymer electrolyte membrane on the other hand; unreacted air in the fuel cell stack flows out to enter a condenser, water vapor in the air is condensed in the condenser to form liquid water, the liquid water flows into a water storage device from a liquid outlet of the condenser to realize the cyclic utilization of the water, and the air flows into the atmosphere from a gas outlet of the condenser.
Has the advantages that: the utility model discloses a fuel cell system has air purification device and air humidifying device, and wherein air purification device can effectively get rid of dust and partial organic matter pollutant in the air, and air humidifying device can make things convenient for, swiftly carry out the humidification to the air that gets into the fuel cell pile to can conveniently avoid fuel cell by the pollutant pollution in the air when being the humidification of fuel cell pile, avoid fuel cell energy conversion efficiency to descend.
Drawings
Fig. 1 is a schematic structural diagram of a fuel cell system according to the present invention.
In the drawings, each reference numeral denotes:
1-a first air compressor; 2-fuel cell stack; 3-a first dust remover; 4-an activated carbon filter; 5-a second dust remover; 6-a condenser; 7-a water storage device; 8-a water pump; 9-ultrasonic atomizer; 10-a second air compressor; 11-air pump.
Detailed Description
The utility model provides a fuel cell system, include the air pump 11, first dust remover 3, second air compressor 10, activated carbon filter 4, second dust remover 5, first air compressor 1, fuel cell pile 2 and the condenser 6 that connect gradually through the pipeline. Wherein, the first dust remover 3, the activated carbon filter 4 and the second dust remover 5 are air cleaning devices. Additionally, the utility model discloses a be provided with water storage device 7, water pump 8 and ultrasonic atomization ware 9 on the fuel cell system bypass pipeline, condenser 6 is provided with gas outlet and liquid outlet, the gas outlet of condenser 6 connects the atmosphere, the liquid outlet of condenser 6 links to each other with water storage device 7's entry, water storage device 7's exit linkage water pump 8 entry, water pump 8 exit linkage ultrasonic atomization ware 9 entries, pipeline between first air compressor 1 and the fuel cell pile 2 is connected to ultrasonic atomization ware 9 exports.
The first air compressor 1 and the second air compressor 10 are air compressors known in the art; the first dust remover 3 is an electrostatic dust remover, and the second dust remover 5 is a bag type dust remover; the activated carbon filter 4 is a conventional activated carbon filter and is used for adsorbing pollutant components such as organic matters in the air; the condenser 6 is an existing condenser and is used for condensing water vapor in the pipeline; the water storage device 7 is used for storing water condensed by the condenser, and an existing device capable of storing water can be selected according to specific conditions (such as power and the like) of the fuel cell system; the ultrasonic atomizer 9 is a conventional ultrasonic atomizer for atomizing water supplied from the water pump 8 to humidify air to be supplied to the fuel cell stack 2, and the oscillation frequency of the ultrasonic atomizer 9 is 1.7MHz to 2.4 MHz.
In actual operation, air firstly enters the first dust remover 3 under the action of the air pump 11, most dust in the air is removed under the action of the first dust remover 3, then enters the activated carbon filter 4, some organic pollutants in the air are removed under the action of the activated carbon filter 4, then the air enters the second dust remover 5, the second dust remover 5 removes activated carbon dust brought by the activated carbon filter 4 in the air, and then the air enters the first air compressor 1; water in the water storage device 7 enters an ultrasonic atomizer 9 under the action of a water pump 8, forms water mist under the action of the ultrasonic atomizer 9 and is mixed with air flowing out of a first air compressor 1 in a pipeline to form humidified air, and the humidified air enters a fuel cell stack 2 to provide oxygen required by cathode reaction and humidify a polymer electrolyte membrane; unreacted air in the fuel cell stack 2 flows out and enters the condenser 6, water vapor in the air is condensed in the condenser 6 to form liquid water, the liquid water flows into the water storage device from a liquid outlet of the condenser 6 to realize the recycling of the water, and the air flows into the atmosphere from a gas outlet of the condenser 6.
It should be noted that, the present specification only describes the air humidifying and purifying device of the fuel cell concerned by the technical solution of the present invention in detail, and those skilled in the art know that, in addition to the air humidifying and purifying device described in detail in the present specification, the fuel cell system also includes other devices, such as a fuel supply and circulation system, a water/heat management system, a control system, etc., and the specific composition and connection manner of these other systems are common knowledge in the art, and will not be described herein again.
Claims (6)
1. A fuel cell system is characterized by comprising a first air compressor (1), a fuel cell stack (2), an air purification device and an air humidification device, wherein the air purification device comprises a first dust remover (3), an activated carbon filter (4) and a second dust remover (5), and the air humidification device comprises a condenser (6), a water storage device (7), a water pump (8) and an ultrasonic atomizer (9); the first dust remover (3), the activated carbon filter (4), the second dust remover (5), the first air compressor (1), the fuel cell stack (2) and the condenser (6) are sequentially connected through pipelines along the air flowing direction; condenser (6) are provided with gas outlet and liquid outlet, the liquid outlet of condenser (6) with water storage device (7) link to each other, water storage device (7), water pump (8) and ultrasonic atomization ware (9) link to each other in proper order through the pipeline, the pipeline between first air compressor (1) and fuel cell galvanic pile (2) with ultrasonic atomization ware (9) export links to each other.
2. The fuel cell system according to claim 1, wherein the first dust collector (3) is an electrostatic dust collector, and the second dust collector (5) is a bag collector.
3. The fuel cell system according to claim 1, wherein the oscillation frequency of the ultrasonic atomizer (9) is 1.7MHz to 2.4 MHz.
4. A fuel cell system according to claim 1, characterized in that a second air compressor (10) is provided between the first dust separator (3) and the activated carbon filter (4).
5. A fuel cell system according to claim 1, characterized in that the gas outlet of the condenser (6) is connected to the atmosphere.
6. A fuel cell system according to claim 1, characterized in that an air pump (11) is connected to the air inlet of the first dust collector (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020165982.0U CN211182373U (en) | 2020-02-03 | 2020-02-03 | Fuel cell system with air purification and humidification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020165982.0U CN211182373U (en) | 2020-02-03 | 2020-02-03 | Fuel cell system with air purification and humidification device |
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| Publication Number | Publication Date |
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| CN211182373U true CN211182373U (en) | 2020-08-04 |
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| CN202020165982.0U Active CN211182373U (en) | 2020-02-03 | 2020-02-03 | Fuel cell system with air purification and humidification device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112259762A (en) * | 2020-10-23 | 2021-01-22 | 广东能源集团科学技术研究院有限公司 | Fuel cell cathode humidifying system |
| CN114792827A (en) * | 2022-05-05 | 2022-07-26 | 上海安池科技有限公司 | Self-humidifying system of proton exchange membrane fuel cell |
| CN115064730A (en) * | 2022-05-27 | 2022-09-16 | 冠驰新能科技(南京)有限公司 | Humidifying method for full life cycle of fuel cell |
| CN116936872A (en) * | 2023-09-15 | 2023-10-24 | 上海徐工智能科技有限公司 | Air prefilter for fuel cell, control method of air prefilter and fuel cell |
-
2020
- 2020-02-03 CN CN202020165982.0U patent/CN211182373U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112259762A (en) * | 2020-10-23 | 2021-01-22 | 广东能源集团科学技术研究院有限公司 | Fuel cell cathode humidifying system |
| CN114792827A (en) * | 2022-05-05 | 2022-07-26 | 上海安池科技有限公司 | Self-humidifying system of proton exchange membrane fuel cell |
| CN115064730A (en) * | 2022-05-27 | 2022-09-16 | 冠驰新能科技(南京)有限公司 | Humidifying method for full life cycle of fuel cell |
| CN116936872A (en) * | 2023-09-15 | 2023-10-24 | 上海徐工智能科技有限公司 | Air prefilter for fuel cell, control method of air prefilter and fuel cell |
| CN116936872B (en) * | 2023-09-15 | 2024-02-02 | 上海徐工智能科技有限公司 | Air prefilter for fuel cell, control method of air prefilter and fuel cell |
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Effective date of registration: 20221123 Address after: 512029 Building 42, Huangshaping Innovation Park, Guanshaocheng Phase I, Shaoguan, Guangdong Patentee after: Guangdong Carbon Neutralization Research Institute (Shaoguan) Address before: 017200 5th floor, building a, entrepreneurship building, aletengxire Town, ejinholo banner, Ordos City, Inner Mongolia Autonomous Region Patentee before: Ordos Guoke Energy Co.,Ltd. |