CN210640318U - Gas heating and humidifying system of fuel cell - Google Patents
Gas heating and humidifying system of fuel cell Download PDFInfo
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- CN210640318U CN210640318U CN201921493596.8U CN201921493596U CN210640318U CN 210640318 U CN210640318 U CN 210640318U CN 201921493596 U CN201921493596 U CN 201921493596U CN 210640318 U CN210640318 U CN 210640318U
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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 relates to the technical field of fuel cells, in particular to a gas heating and humidifying system of a fuel cell, which comprises a gas inlet pipeline, a water-gas isolating layer, a gas heating and humidifying layer, a water-gas separating layer, a gas mixing layer and a first gas outlet pipeline, wherein the gas inlet end of the gas inlet pipeline is communicated with an external gas pump, and the gas outlet end of the gas inlet pipeline is communicated with the water-gas isolating layer; the gas heating and humidifying layer is arranged between the water-gas separation layer and the water-gas isolation layer, and the water-gas separation layer is arranged between the gas mixing layer and the gas heating and humidifying layer; and the gas outlet end of the first gas outlet pipeline is used for being communicated with an external fuel cell. The utility model discloses a fuel cell's gaseous humidification system that heats has solved the gas temperature that is difficult to adjust to get into fuel cell and the problem of gaseous humidity.
Description
Technical Field
The utility model relates to a fuel cell technical field, concretely relates to fuel cell's gaseous humidification system that heats.
Background
A fuel cell is a chemical device that directly converts chemical energy of fuel into electric energy, and is also called an electrochemical generator, which is a fourth power generation technology following hydroelectric power generation, thermal power generation, and atomic power generation. The fuel cell converts the Gibbs free energy in the chemical energy of the fuel into electric energy through electrochemical reaction, and is not limited by the Carnot cycle effect, so the efficiency is high; in addition, the fuel cell uses fuel and oxygen as raw materials, has no mechanical transmission parts, has no noise pollution, and discharges extremely little harmful gas. It follows that fuel cells are the most promising power generation technology from the viewpoint of energy conservation and ecological environment conservation.
Because the temperature and humidity of the gas entering the fuel cell have great influence on the fuel cell stack, and the current temperature and humidity increasing and humidifying technology still has difficulty in accurately adjusting, the current working state of the fuel cell is unstable, the working life of the fuel cell is seriously influenced, and the use cost is increased.
Disclosure of Invention
In order to overcome the defects and deficiencies in the prior art, the purpose of the utility model is to provide a gas heating and humidifying system of a fuel cell, which solves the problem that the gas temperature and the gas humidity entering the fuel cell are difficult to adjust.
The utility model discloses a realize through following technical scheme:
a gas heating and humidifying system of a fuel cell comprises a gas inlet pipeline, a water-gas isolating layer, a gas heating and humidifying layer, a water-gas separating layer, a gas mixing layer and a first gas outlet pipeline,
the air inlet end of the air inlet pipeline is communicated with an external air pump, and the air outlet end of the air inlet pipeline is communicated with the water-air isolating layer; the gas heating and humidifying layer is arranged between the water-gas separation layer and the water-gas isolation layer, and the water-gas separation layer is arranged between the gas mixing layer and the gas heating and humidifying layer; the gas inlet end of the first gas outlet pipeline is communicated with the gas mixing layer, and the gas outlet end of the first gas outlet pipeline is communicated with an external fuel cell;
the water-gas isolating layer is used for adjusting the gas input by the gas inlet pipeline to a state that the humidity is zero;
the gas heating and humidifying layer is used for humidifying the gas treated by the water-gas isolating layer or the gas to 100 percent of humidity;
the water-gas separation layer is used for stripping liquid water drops mixed in the gas after the gas heating and humidifying layer treatment;
and the gas mixing layer is used for adjusting the humidity of the gas treated by the water-gas separation layer.
The gas heating and humidifying system further comprises an adjusting ball valve and a second gas outlet pipeline, the second gas outlet pipeline is communicated with the gas inlet pipeline and the gas mixing layer respectively, and the temperature adjusting ball valve is arranged between the second gas outlet pipeline and the gas inlet pipeline.
The gas heating and humidifying layer is provided with an aeration head, a heating rod and liquid water, and the aeration head and the heating rod are both soaked in the liquid water; and the air inlet end of the aeration head is communicated with the water-air isolating layer.
Wherein the water-gas separation layer comprises a plurality of stacked hollow spheres.
Wherein, the lateral wall inner ring of first pipeline of giving vent to anger is equipped with the hot plate.
The gas heating and humidifying system further comprises a tank body, and the water-gas isolating layer, the gas heating and humidifying layer, the water-gas separating layer and the gas mixing layer are sequentially arranged in the tank body from bottom to top.
The utility model has the advantages that:
the problem of be difficult to adjust the gas temperature and the gaseous humidity that get into fuel cell is solved: the utility model discloses a fuel cell's gaseous humidification system that heats through setting up aqueous vapor isolation layer, gaseous intensification humidification layer, aqueous vapor separation layer and the gas mixing layer, carries out aqueous vapor isolation, gaseous intensification humidification, aqueous vapor separation and humidity control in proper order to the gas that gets into this system, discharges from the pipeline of giving vent to anger again to the problem of the gas temperature and the gas humidity that are difficult to adjust and get into fuel cell has been solved.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals
An air inlet pipeline-1, a water-air isolating layer-2, an air heating and humidifying layer-3, an aerator-31, a heating rod-32, a water-air separating layer-4, an air mixing layer-5, a first air outlet pipeline-6, a second air outlet pipeline-7 and an adjusting ball valve-8.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
It should be noted that the structures shown in the drawings are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the practical limitations of the present invention, so that the modifications or adjustments of any structure do not have the essential meaning in the art, and the technical contents disclosed in the present invention should still fall within the scope that the functions and the achievable objects of the present invention can be achieved without affecting the present invention.
As shown in fig. 1, an air-cooled hydrogen fuel cell system comprises an air inlet pipe 1, a water-vapor separation layer 2, a gas warming and humidifying layer 3, a water-vapor separation layer 4, a gas mixing layer 5 and a first air outlet pipe 6,
the air inlet end of the air inlet pipeline 1 is used for being communicated with an external air pump, and the air outlet end of the air inlet pipeline 1 is communicated with the water-air isolating layer 2; the gas heating and humidifying layer 3 is arranged between the water-gas separation layer 4 and the water-gas separation layer 2, and the water-gas separation layer 4 is arranged between the gas mixing layer 5 and the gas heating and humidifying layer 3; the gas inlet end of the first gas outlet pipeline 6 is communicated with the gas mixing layer 5, and the gas outlet end of the first gas outlet pipeline 6 is used for being communicated with an external fuel cell;
the water-gas isolating layer 2 is used for adjusting the gas input by the gas inlet pipeline 1 to a state with zero humidity;
the gas heating and humidifying layer 3 is used for humidifying the gas treated by the water-gas isolating layer 2 or the gas to 100 percent of humidity;
the water-gas separation layer 4 is used for stripping liquid water drops mixed in the gas treated by the gas heating and humidifying layer 3;
and a gas mixing layer 5 for adjusting the humidity of the gas treated by the water-gas separation layer 4.
Specifically, the gas heating and humidifying system further comprises a tank body, and the water-gas isolating layer 2, the gas heating and humidifying layer 3, the water-gas separating layer 4 and the gas mixing layer 5 are sequentially arranged in the tank body from bottom to top. Set gradually in the jar internally from supreme down through with aqueous vapor isolation layer 2, gaseous intensification humidification layer 3, aqueous vapor separation layer 4 and gas mixing layer 5 to guarantee that gas heats the humidification in relatively confined environment, reduce external environment's influence. Meanwhile, because the gas density is lower, the water-gas isolating layer 2, the gas temperature-rising humidifying layer 3, the water-gas separating layer 4 and the gas mixing layer 5 are arranged from bottom to top, so that the gas can spontaneously rise and sequentially pass through the water-gas isolating layer 2, the gas temperature-rising humidifying layer 3, the water-gas separating layer 4 and the gas mixing layer 5, and the heating and humidifying effects on the gas are ensured.
Specifically, the gas warming and humidifying layer 3 is provided with an aeration head 31, a heating rod 32 and liquid water, and the aeration head 31 and the heating rod 32 are both soaked in the liquid water; the air inlet end of the aeration head 31 is communicated with the water-gas isolating layer 2. Liquid water is heated to a specified temperature by the heating rod 32, and the gas is cut and refined by the aeration head 31, so that the contact area of the gas and the liquid water is increased to the maximum extent, and the humidifying effect of the gas is increased.
Specifically, the water-vapor separation layer 4 includes a plurality of stacked hollow spheres (not shown in the figure), and the main function is to peel off water droplets in the gas, which are brought out from the gas warming and humidifying layer 3, so that liquid water vapor cannot be brought out of the humidifying tank, and a drying effect is achieved.
Specifically, the gas heating and humidifying system further comprises an adjusting ball valve 8 and a second gas outlet pipeline 7, two ends of the second gas outlet pipeline 7 are respectively communicated with the gas inlet pipeline 1 and the gas mixing layer 5, and the temperature adjusting ball valve 8 is arranged between the second gas outlet pipeline 7 and the gas inlet pipeline 1; because the gas that comes out from aqueous vapor separation layer 4 is the gas of 100% humidity and the humidity of the gas that gets into from inlet pipe 1 is lower, so through control adjustment ball valve 8 for the dry gas who inputs from inlet pipe 1 directly gets into gas mixing layer 5 from the second outlet duct, the effect of the proportion of adjusting dry and wet gas, thereby realize the control to gaseous relative humidity.
Specifically, the inner ring side wall of the first outlet pipe 6 is provided with a heating plate (not shown in the figure), and since the wet gas has partial heat loss when the dry and wet gas is mixed in the gas mixing layer 5, the gas keeps a corresponding temperature through the heating plate when the gas is discharged out of the outlet pipe.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A gas heating and humidifying system of a fuel cell is characterized in that: comprises an air inlet pipeline (1), a water-gas isolating layer (2), a gas heating and humidifying layer (3), a water-gas separating layer (4), a gas mixing layer (5) and a first air outlet pipeline (6),
the air inlet end of the air inlet pipeline (1) is communicated with an external air pump, and the air outlet end of the air inlet pipeline (1) is communicated with the water-air isolating layer (2); the gas heating and humidifying layer (3) is arranged between the water-gas separating layer (4) and the water-gas separating layer (2), and the water-gas separating layer (4) is arranged between the gas mixing layer (5) and the gas heating and humidifying layer (3); the gas inlet end of the first gas outlet pipeline (6) is communicated with the gas mixing layer (5), and the gas outlet end of the first gas outlet pipeline (6) is communicated with an external fuel cell;
the water-gas isolating layer (2) is used for adjusting the gas input by the gas inlet pipeline (1) to a state that the humidity is zero;
the gas heating and humidifying layer (3) is used for humidifying the gas treated by the water-gas isolating layer (2) or the gas to 100 percent of humidity;
the water-gas separation layer (4) is used for stripping liquid water drops mixed in the gas treated by the gas heating and humidifying layer (3);
and the gas mixing layer (5) is used for adjusting the humidity of the gas treated by the water-gas separation layer (4).
2. The system of claim 1, wherein: the gas heating and humidifying system further comprises an adjusting ball valve (8) and a second gas outlet pipeline (7), the second gas outlet pipeline (7) is communicated with the gas inlet pipeline (1) and the gas mixing layer (5) respectively, and the adjusting ball valve (8) is arranged between the second gas outlet pipeline (7) and the gas inlet pipeline (1).
3. The system of claim 1, wherein: the gas heating and humidifying layer (3) is provided with an aeration head (31), a heating rod (32) and liquid water, and the aeration head (31) and the heating rod (32) are both soaked in the liquid water; the air inlet end of the aeration head (31) is communicated with the water-gas isolating layer (2).
4. The system of claim 1, wherein: the water-gas separation layer (4) comprises a plurality of stacked hollow spheres.
5. The system of claim 1, wherein: and a heating plate is arranged on the inner ring of the side wall of the first air outlet pipeline (6).
6. The system of claim 1, wherein: the gas heating and humidifying system further comprises a tank body, and the water-gas isolating layer (2), the gas heating and humidifying layer (3), the water-gas separating layer (4) and the gas mixing layer (5) are sequentially arranged in the tank body from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921493596.8U CN210640318U (en) | 2019-09-09 | 2019-09-09 | Gas heating and humidifying system of fuel cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921493596.8U CN210640318U (en) | 2019-09-09 | 2019-09-09 | Gas heating and humidifying system of fuel cell |
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| CN210640318U true CN210640318U (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921493596.8U Active CN210640318U (en) | 2019-09-09 | 2019-09-09 | Gas heating and humidifying system of fuel cell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310441A (en) * | 2020-10-23 | 2021-02-02 | 华中科技大学 | Temperature and humidity control system for fuel cell reaction gas |
| CN112490474A (en) * | 2020-11-26 | 2021-03-12 | 合肥科威尔电源系统股份有限公司 | Gas humidifying device of fuel cell system |
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2019
- 2019-09-09 CN CN201921493596.8U patent/CN210640318U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310441A (en) * | 2020-10-23 | 2021-02-02 | 华中科技大学 | Temperature and humidity control system for fuel cell reaction gas |
| CN112310441B (en) * | 2020-10-23 | 2021-09-07 | 华中科技大学 | Temperature and humidity control system for fuel cell reaction gas |
| CN112490474A (en) * | 2020-11-26 | 2021-03-12 | 合肥科威尔电源系统股份有限公司 | Gas humidifying device of fuel cell system |
| CN112490474B (en) * | 2020-11-26 | 2022-03-11 | 合肥科威尔电源系统股份有限公司 | Gas humidifying device of fuel cell system |
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