CN218632129U - Humidification system of fuel cell and fuel cell system - Google Patents
Humidification system of fuel cell and fuel cell system Download PDFInfo
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- CN218632129U CN218632129U CN202222951422.XU CN202222951422U CN218632129U CN 218632129 U CN218632129 U CN 218632129U CN 202222951422 U CN202222951422 U CN 202222951422U CN 218632129 U CN218632129 U CN 218632129U
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- fuel cell
- intercooler
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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
Abstract
The utility model discloses a fuel cell's humidification system and fuel cell system. Fuel cell's humidification system includes the air compressor machine, intercooler and pile, be equipped with air passage in the intercooler, air passage has air intlet and air outlet, the exit end of air compressor machine and the air intlet intercommunication of intercooler, the air outlet and the pile intercommunication of intercooler, wherein, fuel cell's humidification system still includes automatically controlled water spray assembly, automatically controlled water spray assembly includes atomizing nozzle, water pump and water tank, atomizing nozzle's the end of intaking and water tank intercommunication, atomizing nozzle's play water end communicates in the rear side of the exit end of air compressor machine, atomizing nozzle spun atomized liquid mixes with the high-temperature gas after the air compressor machine compression, in order to increase the gas humidity who gets into the pile. The utility model discloses a fuel cell's humidification system has the advantages of humidification efficiency height, humidification demand adjustable, with low costs, promotion heat utilization efficiency. The utility model discloses a fuel cell system includes the humidification system.
Description
Technical Field
The utility model relates to a fuel cell technical field especially relates to a fuel cell's humidification system and fuel cell system.
Background
The mainstream scheme of the current fuel cell humidification technology is to adopt a membrane humidifier, moisture discharged by a fuel cell system is transferred through the membrane humidifier, and dry air input by an air compressor is humidified by the membrane humidifier and then input into a cathode inlet of a galvanic pile. The membrane humidifier in the technical scheme is a simple mechanical part, cannot be actively controlled and is poor in flexibility. Moreover, as the power of the fuel cell system is increased, the requirement for the amount of moisture to be transferred is increased, and the volume of the membrane humidifier needs to be increased according to the current scheme, which increases the cost and also makes the arrangement of the fuel cell system more difficult. Meanwhile, the arrangement of the membrane humidifier can also form certain resistance on compressed air, so that certain pressure loss is caused, and the power consumption of the air compressor is increased. There are also prior arts that use other humidifiers instead of the membrane humidifier and humidify the air by spraying water into the humidifier. The humidifier in this solution may be reduced in volume relative to a membrane humidifier, however, it does not reduce the number of components and system complexity of the overall system.
On the other hand, the high-temperature gas compressed by the air compressor can be input into the cathode of the electric pile after being cooled, so that an intercooler is arranged in the current fuel cell system to cool the high-temperature gas. However, in the prior art, the intercooler only serves as a cooling function in the system, and the function is single; moreover, after the temperature of the cooling liquid in the intercooler is increased, the heat is usually dissipated to the external environment by the radiator and the electric fan, and the heat is not effectively utilized.
Based on this, the prior art is in need of improvement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome prior art's defect, provided a fuel cell's humidification system and fuel cell system, it has the advantage that humidification efficiency is high, the humidification demand is adjustable, with low costs, simplified system constitutes, promotes the heat utilization efficiency.
The utility model discloses a following technical scheme realizes: the utility model provides a fuel cell's humidification system, includes air compressor machine, intercooler and pile, be equipped with air passage in the intercooler, air passage has air intlet and air outlet, the exit end of air compressor machine with the air intlet intercommunication of intercooler, the air outlet of intercooler with the pile intercommunication, wherein, fuel cell's humidification system still includes automatically controlled water spray assembly, automatically controlled water spray assembly includes atomizing nozzle, water pump and water tank, atomizing nozzle's the end of intaking with the water tank intercommunication, atomizing nozzle's play water end communicate in the rear side of the exit end of air compressor machine, atomizing nozzle spun atomized liquid with high-temperature gas after the air compressor machine compression mixes, in order to increase the entering the gas humidity of pile.
Furthermore, a connecting pipeline is arranged between the outlet end of the air compressor and the air inlet of the intercooler, and the water outlet end of the atomizing nozzle is connected to the connecting pipeline.
Furthermore, a plurality of metal fins are arranged in the intercooler, the air channel is divided into a plurality of sub-channels by the metal fins, the water outlet end of the atomizing nozzle is connected to the air channel of the intercooler, and the sprayed atomized liquid is dispersed in the sub-channels.
Furthermore, a plurality of metal plates are arranged in the intercooler, the metal plates are connected with the metal fins in a heat conduction mode, liquid passages separated from the air passages are formed between the metal plates, and high-temperature liquid for heating the gas-liquid mixture flowing through the air passages of the intercooler flows through the liquid passages.
Furthermore, a liquid pipeline is communicated between a liquid passage of the intercooler and the galvanic pile, and the high-temperature liquid is cooling liquid and/or deionized water which is used for dissipating heat of the galvanic pile and flows into the liquid passage of the intercooler through the liquid pipeline.
Further, the liquid channel comprises a flat cavity, and the metal fins are distributed on two sides of the flat cavity.
Furthermore, the opening degree of the atomizing nozzle is adjustable.
Further, the water pump is connected between the water inlet end of the atomizing nozzle and the water tank, and the rotating speed of the water pump is adjustable.
Further, the temperature of the atomized liquid is lower than that of the high-temperature gas, and the atomized liquid absorbs heat from the high-temperature liquid to evaporate so as to cool the high-temperature gas.
The utility model discloses still realize through following technical scheme: a fuel cell system comprising the humidification system of a fuel cell of any of the above.
The utility model provides a fuel cell's humidification system forms atomizing liquid through setting up automatically controlled water spray assembly and carries out the humidification to the compressed air of air compressor machine to utilize the intercooler to carry out further mixing to the gas-liquid, thereby can omit the membrane humidifier among the conventional art, and need not additionally to add the humidifier, not only reduced the material cost of fuel cell system, improved humidification efficiency and humidification system's controllability moreover; in addition, the intercooler can be used for heating and cooling as required, the heat can be effectively utilized, and the heat energy loss is reduced.
Drawings
Fig. 1 is a system diagram of a first embodiment of the humidification system of the fuel cell of the present invention.
Fig. 2 is a system diagram of a second embodiment of the humidification system of the fuel cell of the present invention.
Fig. 3 is a perspective view of an intercooler in an embodiment of a humidification system for a fuel cell of the present invention.
Fig. 4 is a schematic diagram of an intercooler according to an embodiment of the present invention.
The reference numbers are as follows: 1, an air compressor; 11-outlet end of air compressor; 2-an intercooler; 201-air channel; 202-a liquid channel; 22-metal fins; 23-a metal plate; 3-electric pile; 4-an atomizing nozzle; 5, a water pump; 6-a water tank; 7-liquid line; 8-connecting a pipeline; a1-an air inlet; a2-an air outlet; l1-liquid inlet; l2-liquid outlet.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Fig. 1 to 4 are schematic diagrams of a first embodiment of a humidification system of a fuel cell according to the present invention. The humidifying system of the fuel cell comprises an air compressor 1, an intercooler 2, an electric pile 3 and an electric control water spraying assembly. Be equipped with air duct 201 in the intercooler 2, air duct 201 has air intlet A1 and air outlet A2, the exit end 11 of air compressor machine 1 with the air intlet A1 intercommunication of intercooler 2, the air outlet A2 of intercooler 2 with 3 intercommunications of galvanic pile. Automatically controlled water spray assembly includes atomizing nozzle 4, water pump 5 and water tank 6, atomizing nozzle 4 intake end with water tank 6 intercommunication, atomizing nozzle 4's play water end communicate in the rear side of the exit end 11 of air compressor machine 1, atomizing nozzle 4 spun atomized liquid with the high-temperature gas mixture after the compression of air compressor machine 1 to increase and get into the gas humidity of pile 3.
As shown in fig. 1, the compressed air is high-temperature dry air which is discharged from the air compressor 1 through the outlet end 11 of the air compressor 1. A connecting pipeline 8 is arranged between the outlet end 11 of the air compressor 1 and the air inlet A1 of the intercooler 2, and compressed air is input into the air channel 201 of the intercooler 2 through the connecting pipeline 8. In this embodiment, the water outlet end of the atomizing nozzle 4 is connected to the connecting pipeline 8, and the atomizing nozzle 4 can be controlled to spray the atomized liquid, which is mixed with the high-temperature dry air compressed by the air compressor 1 in the connecting pipeline 8, so as to increase the humidity of the air. Because the air compressed by the air compressor 1 has higher temperature, when the air is mixed with atomized liquid, the atomized liquid can absorb the heat of high-temperature air, thereby evaporating to form steam, and the air humidification device has better dispersion performance, more uniform humidification and good humidification effect. On the other hand, the temperature of atomizing liquid is less than high-temperature gas's temperature, atomizing liquid follow high-temperature liquid heat absorption evaporation, in order to cool off high-temperature gas, high-temperature air also absorbs and the temperature drops because of the liquid that the heat is atomized, has undertaken the partial effect of intercooler 2 among the prior art, realizes the cooling to high-temperature air, has both reduced intercooler 2's heat dissipation demand, has also realized the effective utilization to the energy simultaneously.
Referring to fig. 3 and 4, the intercooler 2 has a liquid passage 202 through which liquid flows to exchange heat and an air passage 201 through which air compressed by the air compressor 1 flows. In the present application, the intercooler 2 is a liquid-cooled intercooler, which includes four inlets and outlets, i.e., an air inlet A1, an air outlet A2, a liquid inlet L1, and a liquid outlet L2. The air passage 201 and the liquid passage 202 inside the intercooler 2 are partitioned to circulate air and liquid, respectively. A plurality of metal fins 22 are arranged in the intercooler 2, the air passage 201 is divided into a plurality of sub-passages by the metal fins 22, and high-temperature air can perform sufficient heat exchange through the plurality of sub-passages. A plurality of metal plates 23 are arranged in the intercooler 2, the metal plates 23 are in heat conduction connection with the metal fins 22, and liquid channels 202 separated from the air channels 201 are formed between the metal plates 23. In this embodiment, the liquid channel 202 includes a flat cavity, and the metal fins 22 are distributed on two sides of the flat cavity, so as to have a better heat conduction effect. High-temperature liquid for heating the gas-liquid mixture flowing through the air passage 201 of the intercooler 2 flows through the liquid passage 202, and the high-temperature liquid can further heat the atomized liquid which is not completely heated and evaporated in the connecting pipeline 8, so that the atomized liquid is evaporated. Specifically, a liquid pipeline 7 is communicated between a liquid passage of the intercooler 2 and the electric pile 3, and the high-temperature liquid is cooling liquid and/or deionized water which dissipates heat to the electric pile 3 and flows into the liquid passage 202 of the intercooler 2 through the liquid pipeline 7. So, also utilized in intercooler 2 through high-temperature liquid to the heat that pile 3 gived off, further promoted energy utilization, reduced energy loss.
Further, the water pump 5 is connected between the water inlet end of the atomizing nozzle 4 and the water tank 6. The water pump 5 pumps liquid water from the water tank 6, and after pressurization, atomized liquid water mist is sprayed from the atomizing nozzle 4. The present invention is not limited to the specific structure of the atomizing nozzle 4, and it can be purchased from the market. For example, the atomizing nozzle 4 may be a nozzle part used in an automobile.
The aperture of the atomizing nozzle 4 is adjustable, and the rotating speed of the water pump 5 is adjustable. So, when galvanic pile 3 was in different operating modes, accessible controller adjusted the rotational speed of water pump 5 and atomizing nozzle 4's aperture to obtain suitable water spray flow, these atomizing water droplet are heated the vaporization back, can satisfy the humidification requirement under the different operating modes.
Fig. 2 is a schematic diagram of a humidification system for a fuel cell according to a second embodiment of the present invention. The difference from the first embodiment is mainly that the water outlet end of the atomizing nozzle 4 is directly connected to the air passage 201 of the intercooler 2.
This embodiment is through linking to each other atomizing nozzle 4 directly with intercooler 2's air passage 201, in spraying atomizing liquid to intercooler 2, specifically, atomizing nozzle 4's play water end connect in on intercooler 2's air passage 201, and spun atomizing liquid disperse in a plurality of subchannels that metal fin 22 formed. The embodiment can make the water spraying humidifying system smaller and more compact, which is beneficial to the miniaturization of the system; and the transmission distance of the atomized liquid is shorter, so that the heat loss can be avoided. The components and their connections not described in the humidification system of this embodiment are understood with reference to the first embodiment and will not be described herein.
The utility model discloses still disclose a fuel cell system, it includes fuel cell's humidification system as above.
Can know through the above description to specific embodiment, the utility model provides a fuel cell's humidification system forms atomizing liquid through setting up automatically controlled water spray assembly and humidifies in order to the compressed air of air compressor 1 to utilize intercooler 2 to carry out further heating evaporation to the gas-liquid in order to increase the homogeneity of humidification, can omit the membrane humidifier among the conventional art, and need not additionally to add the humidifier. The volumes of the atomizing nozzle 4 and the water pump 5 are smaller than that of the membrane humidifier, so that the system volume is reduced, and the arrangement is more convenient; the flow resistance of the pipeline provided with the atomizing nozzles 4 is far less than the resistance of the membrane humidifier, so that the power consumption of the air compressor 1 is reduced, and the system efficiency is improved. And is limited by the humidifying membrane material under the current supply chain, and the cost of the membrane humidifier is high. Adopt the utility model discloses the scheme, material cost has increased economic nature with greatly reduced.
Additionally, the utility model discloses a humidification system makes the air heat of the 11 departments of exit end of air compressor machine 1 to and utilize the high temperature liquid heat of system's waste heat in the intercooler 2, all can obtain effective utilization, makes system efficiency improve, and these heats make 4 spun water smoke vaporizations of atomizing nozzle, have obtained the humidification air. The utility model discloses can regard as heating and cooling dual-purpose as required to intercooler 2, promote the performance of part in the system.
The present invention has been described in terms of several specific embodiments, and it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a fuel cell's humidification system, includes air compressor machine, intercooler and pile, be equipped with air passage in the intercooler, air passage has air intlet and air outlet, the exit end of air compressor machine with the air intlet intercommunication of intercooler, the air outlet of intercooler with the pile intercommunication, a serial communication port, fuel cell's humidification system still includes automatically controlled water spray assembly, automatically controlled water spray assembly includes atomizing nozzle, water pump and water tank, atomizing nozzle's the end of intaking with the water tank intercommunication, atomizing nozzle's play water end communicate in the rear side of the exit end of air compressor machine, atomizing nozzle spun atomized liquid with high-temperature gas after the air compressor machine compression mixes, in order to increase the entering the gaseous humidity of pile.
2. The humidification system for a fuel cell according to claim 1, wherein a connection pipe is provided between an outlet end of the air compressor and an air inlet of the intercooler, and a water outlet end of the atomizing nozzle is connected to the connection pipe.
3. The humidification system for a fuel cell of claim 1, wherein a plurality of metal fins are disposed in the intercooler, the air channel is divided into a plurality of sub-channels by the metal fins, the water outlet end of the atomizing nozzle is connected to the air channel of the intercooler, and the sprayed atomized liquid is dispersed in the plurality of sub-channels.
4. The humidification system for a fuel cell according to claim 3, wherein a plurality of metal plates are provided in the intercooler, the metal plates are thermally connected to the metal fins, a liquid passage is formed between the metal plates and separated from the air passage, and a high temperature liquid for heating a gas-liquid mixture flowing through the air passage of the intercooler flows through the liquid passage.
5. The humidification system for a fuel cell as recited in claim 4, wherein a liquid pipeline is connected between the liquid channel of the intercooler and the stack, and the high temperature liquid is cooling liquid and/or deionized water after dissipating heat from the stack and flows into the liquid channel of the intercooler through the liquid pipeline.
6. The humidification system for a fuel cell of claim 4, wherein said liquid channel includes a flat cavity, and said metal fins are disposed on both sides of said flat cavity.
7. The humidification system for a fuel cell as claimed in claim 4, wherein an opening degree of the atomizing nozzle is adjustably set.
8. The humidification system for a fuel cell as claimed in claim 7, wherein said water pump is connected between a water inlet end of said atomizing nozzle and said water tank, and a rotation speed of said water pump is adjustable.
9. The humidification system for a fuel cell of claim 4, wherein a temperature of the atomized liquid is less than a temperature of the hot gas, the atomized liquid endothermically evaporating from the hot liquid to cool the hot gas.
10. A fuel cell system characterized by comprising the humidification system of a fuel cell according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222951422.XU CN218632129U (en) | 2022-11-07 | 2022-11-07 | Humidification system of fuel cell and fuel cell system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222951422.XU CN218632129U (en) | 2022-11-07 | 2022-11-07 | Humidification system of fuel cell and fuel cell system |
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| CN218632129U true CN218632129U (en) | 2023-03-14 |
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| CN202222951422.XU Active CN218632129U (en) | 2022-11-07 | 2022-11-07 | Humidification system of fuel cell and fuel cell system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116742048A (en) * | 2023-05-09 | 2023-09-12 | 深圳金鲤飞鱼科技有限公司 | Air supply humidification system, air supply humidification method and storage medium for fuel cell |
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2022
- 2022-11-07 CN CN202222951422.XU patent/CN218632129U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116742048A (en) * | 2023-05-09 | 2023-09-12 | 深圳金鲤飞鱼科技有限公司 | Air supply humidification system, air supply humidification method and storage medium for fuel cell |
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