CN218827277U - Air-cooled hydrogen fuel cell tail gas treatment system and air-cooled hydrogen fuel cell system - Google Patents
Air-cooled hydrogen fuel cell tail gas treatment system and air-cooled hydrogen fuel cell system Download PDFInfo
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- CN218827277U CN218827277U CN202221696180.8U CN202221696180U CN218827277U CN 218827277 U CN218827277 U CN 218827277U CN 202221696180 U CN202221696180 U CN 202221696180U CN 218827277 U CN218827277 U CN 218827277U
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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 an air-cooled hydrogen fuel cell tail gas processing system, air-cooled hydrogen fuel cell tail gas processing system includes galvanic pile, gas-liquid separation device and hydrogen buffer, and gas-liquid separation device's import and the tail gas outlet pipe of galvanic pile communicate, and the hydrogen buffer tank has air inlet and discharge port, and the air inlet is through communicating pipe and gas-liquid separation device's export intercommunication, and the discharge port is located the diapire of hydrogen buffer tank and can open and close. The utility model discloses an air cooling type hydrogen fuel cell tail gas processing system avoids the pile ponding when can improving the hydrogen utilization ratio, and simple structure, and weight, volume and system consumption are little.
Description
Technical Field
The utility model relates to an air cooling type hydrogen fuel cell technical field specifically relates to an air cooling type hydrogen fuel cell tail gas processing system, air cooling type hydrogen fuel cell system.
Background
The air-cooled hydrogen fuel cell is a power generation device which adopts air as a cooling medium and an oxidant, hydrogen as a fuel and air and hydrogen generate electrochemical reaction, has the advantages of simple system structure, light weight, rapid power supply reaction, cleanness, no pollution and the like, and is widely popularized and applied in the field of low-power supplies.
In the power generation process of the air-cooled hydrogen fuel cell, hydrogen can not be completely consumed, and residual hydrogen in reaction tail gas is discharged to the atmospheric environment, so that the waste of hydrogen fuel is caused, and the problem of low hydrogen utilization rate exists.
The related art provides a fuel cell stack hydrogen tail gas treatment system to output hydrogen in tail gas to a reflux pump again after purification, so as to recycle hydrogen, however, the fuel cell stack hydrogen tail gas treatment system in the related art has a complex structure, large weight, large volume and large system power consumption, and is not suitable for being applied to an air cooling stack with high requirements on volume, weight and system power consumption.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
Therefore, the embodiment of the utility model provides an air-cooled type hydrogen fuel cell tail gas processing system, this air-cooled type hydrogen fuel cell tail gas processing system avoids pile ponding when can improve the hydrogen utilization ratio, and simple structure, and weight, volume and system's consumption are little.
The embodiment of the utility model also provides an air-cooled type hydrogen fuel cell system.
The utility model discloses air-cooled hydrogen fuel cell tail gas processing system includes: a galvanic pile; the inlet of the gas-liquid separation device is communicated with a tail gas outlet pipeline of the galvanic pile; the hydrogen buffer tank, the hydrogen buffer tank has air inlet and discharge port, the air inlet pass through communicating pipe with gas-liquid separation device's export intercommunication, the discharge port is located the diapire of hydrogen buffer tank and can open and close.
The utility model discloses air-cooled hydrogen fuel cell tail gas processing system, the tail gas outlet pipeline intercommunication that gas-liquid separation device and electricity pushed away, hydrogen buffer tank and gas-liquid separation device's export intercommunication, and the hydrogen buffer tank has the discharge port, therefore, along with unreacted hydrogen gas lasts to flow in the hydrogen buffer tank, pressure increase in the hydrogen buffer tank, both pressure differentials reduce, hydrogen flow slows down gradually, reduce to zero until pressure differential, the afterbody does not participate in the hydrogen of reaction and is compelled the gathering and continue to participate in the reaction in the pile, along with going on of reaction, the partial pressure of impurity gas and vapor constantly increases, the impurity gas and the vapor that carry liquid water can follow positive pole tail gas discharge port and discharge smoothly, gas-liquid separation device can absorb liquid water, impurity gas and vapor get into the hydrogen buffer tank and condense, the deposit, finally can follow the discharge port discharge of hydrogen buffer tank, thereby can avoid the pile ponding when the maximize improves the utilization ratio of hydrogen. And the air-cooled hydrogen fuel cell tail gas processing system of this application compares in traditional tail gas treatment scheme, need not to set up structures such as circulating pump and return line, simple structure, and weight, volume and system consumption are little.
In some embodiments, the air-cooled hydrogen fuel cell tail gas treatment system further comprises a first control valve disposed on the tail gas outlet pipeline, and a controller connected to the first exhaust valve to control the first control valve to open or close the tail gas outlet pipeline.
In some embodiments, the air-cooled hydrogen fuel cell tail gas treatment system further comprises a second control valve disposed at the discharge port, and the controller is in communication with the second control valve to control the opening and closing of the discharge port.
In some embodiments, the air-cooled hydrogen fuel cell tail gas treatment system further comprises a liquid level meter disposed in the hydrogen buffer tank for detecting a liquid level in the hydrogen buffer tank, and the controller may control the second control valve to operate according to detection information of the liquid level meter.
The utility model discloses air-cooled hydrogen fuel cell tail gas processing system includes: a galvanic pile; the hydrogen buffer tank, the hydrogen buffer tank has air inlet and discharge port, just be equipped with the fin on the outer wall of hydrogen buffer tank, the air inlet with the tail gas outlet pipeline intercommunication of galvanic pile, the discharge port can be opened and closed.
The utility model discloses air-cooled hydrogen fuel cell tail gas processing system, hydrogen buffer tank and tail gas outlet pipeline intercommunication, the outer wall of hydrogen buffer tank is equipped with the fin, along with unreacted hydrogen lasts to flow in the hydrogen buffer tank, pressure increase in the hydrogen buffer tank, both pressure differentials reduce, and the hydrogen flow rate slows down gradually, reduces to zero until pressure differential, and the afterbody does not participate in the hydrogen of reaction and is forced the gathering to continue to participate in the reaction in the pile, improves the hydrogen utilization ratio. In addition, the fin can make the rapid cooling of vapor in the hydrogen buffer tank condense to increase the pressure differential of hydrogen buffer tank and tail gas outlet pipeline, during vapor and the foreign gas that guarantee to carry liquid water can flow in the hydrogen buffer tank completely, avoid the pile ponding, just the utility model discloses an air-cooled hydrogen fuel cell tail gas processing system compares in traditional tail gas treatment scheme, need not to set up structures such as circulating pump and return line, simple structure, and weight, volume and system's consumption are little.
In some embodiments, the hydrogen buffer tank is communicated with the tail gas outlet pipeline through a communicating pipe, and a cooling fin is arranged at the connecting end of the communicating pipe and the hydrogen buffer tank.
The utility model discloses air-cooled type hydrogen fuel cell tail gas processing system includes: a galvanic pile; the hydrogen buffer tank, the hydrogen buffer tank has air inlet and discharge port, the discharge port can be opened and closed, the air inlet through communicating pipe with the tail gas outlet pipeline intercommunication of galvanic pile, just be equipped with the heating member on the outer wall of communicating pipe.
The utility model discloses air-cooled hydrogen fuel cell tail gas processing system, hydrogen buffer tank pass through communicating pipe and tail gas outlet pipeline intercommunication, are equipped with the heating member on communicating pipe, along with unreacted hydrogen lasts to flow in the hydrogen buffer tank, the pressure increase in the hydrogen buffer tank, and both pressure differentials reduce, and the hydrogen flow rate slows down gradually, reduces to zero until pressure differential, and the afterbody does not participate in the hydrogen of reaction and is forced the gathering to continue to participate in the reaction in the pile, improves the hydrogen utilization ratio. In addition, heating member heatable communicating pipe is in order to vaporize into vapor with galvanic pile exhaust liquid water, mixes the common flow direction hydrogen buffer tank of original impurity gas and vapor, avoids galvanic pile ponding, just the utility model discloses an air-cooled type hydrogen fuel cell tail gas processing system compares in traditional tail gas treatment scheme, need not to set up such as circulating pump and return line isotructure, simple structure, and weight, volume and system consumption are little.
The air cooling type hydrogen fuel cell system provided by the embodiment of the utility model comprises the air cooling type hydrogen fuel cell tail gas treatment system provided by the embodiment.
The utility model discloses air-cooled type hydrogen fuel cell system, through adopting above-mentioned air-cooled type hydrogen fuel cell tail gas processing system, system simple structure, the consumption is little.
Drawings
Fig. 1 is a schematic structural view of an air-cooling type hydrogen fuel cell system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an air-cooled hydrogen fuel cell exhaust gas treatment system according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an air-cooled hydrogen fuel cell exhaust gas treatment system according to another embodiment of the present invention.
Reference numerals:
the gas-liquid separation device comprises a galvanic pile 1, a gas-liquid separation device 2, a hydrogen buffer tank 3, a gas storage tank 4, a communicating pipe 41, a radiating fin 43, a controller 5, a first control valve 6, a second control valve 7 and a liquid level meter 8.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 and fig. 2, the air-cooled hydrogen fuel cell exhaust gas treatment system according to the embodiment of the present invention includes a stack 1, a gas-liquid separation device 2, and a hydrogen buffer tank 3.
Specifically, the inlet of the gas-liquid separation device 2 is communicated with the tail gas outlet pipe of the cell stack 1, the hydrogen buffer tank 3 has a gas inlet communicated with the outlet of the gas-liquid separation device 2 through a communicating pipe 41, and a discharge port located at the bottom wall of the hydrogen buffer tank 3 and openable and closable.
It should be noted that, when tail gas is discharged through the tail gas outlet pipeline, the hydrogen mixed in the tail gas flows towards the hydrogen buffer tank 3, along with the continuous entering of hydrogen, the pressure difference between the two is gradually reduced, the flow rate of hydrogen towards the buffer tank is continuously slowed down until the pressure difference is zero, a balance state is reached, the hydrogen with the tail part not participating in the reaction is forced to be gathered in the galvanic pile 1 to continuously participate in the reaction, and the hydrogen utilization rate is improved.
And along with electric pile 1 constantly produces vapor and magazine gas, vapor and foreign gas partial pressure improve, carry the foreign gas and the vapor of liquid water and can get into gas-liquid separation device 2, liquid water is absorbed, vapor and foreign gas continue to get into hydrogen buffer tank 3.
That is to say, along with the going on of battery reaction, hydrogen buffer tank 3 can slow down the exhaust velocity of unreacted hydrogen, makes it can make full use of, utilizes the continuous increase of partial pressure of gaseous impurity and vapor simultaneously, makes the gaseous impurity and the vapor that carry liquid water can follow positive pole tail gas exhaust port and discharge smoothly to when can avoiding 1 ponding of galvanic pile, the maximize improves the utilization ratio of hydrogen.
In addition, the vapor in the hydrogen buffer tank 3 can condense into water beads to drop at the bottom of the buffer tank along with the temperature reduction, and the concentration of the impurity gas at the bottom of the buffer tank is higher because the molecular weight of the impurity gas is larger than that of the hydrogen, so that the discharge port can be opened to discharge liquid water and the impurity gas.
The utility model discloses air-cooled hydrogen fuel cell tail gas processing system, gas-liquid separation device 2 communicates with the tail gas outlet pipeline that the electricity pushed away, hydrogen buffer tank 3 and gas-liquid separation device 2's export intercommunication, and hydrogen buffer tank 3 has the discharge port, therefore, along with unreacted hydrogen lasts to flow in hydrogen buffer tank 3, pressure increase in hydrogen buffer tank 3, both pressure differentials reduce, the hydrogen flow rate slows down gradually, until pressure differential reduce to zero, the afterbody does not participate in the hydrogen of reacting and is compelled to gather and continue to participate in the reaction in pile 1, along with going on of reaction, the partial pressure of impurity gas and vapor constantly increases, the impurity gas and the vapor that carry liquid water can follow positive pole tail gas discharge port and discharge smoothly, gas-liquid separation device 2 can absorb liquid water, impurity gas and vapor get into hydrogen buffer tank 3 and condense, the deposit, can finally follow the discharge port discharge of hydrogen buffer tank 3, thereby can avoid pile 1 ponding when maximize, improve the utilization ratio of hydrogen. And the air-cooled hydrogen fuel cell tail gas processing system of this application compares in traditional tail gas treatment scheme, need not to set up such as structures such as circulating pump and return line, simple structure, and weight, volume and system consumption are little.
For easy understanding, as shown in fig. 1, the operation of the whole fuel cell system includes: the controller 5 sends out an instruction, hydrogen enters the galvanic pile 1 from the gas storage tank 4 through a pressure reducing valve and an air inlet valve and is subjected to an electrochemical reaction with air entering the galvanic pile 1 under the pushing of a fan, residual tail gas of a hydrogen side reaction is discharged to a gas-liquid separator through a tail gas outlet pipeline, the tail gas comprises residual hydrogen and water vapor, impurity gas and liquid water generated by the reaction, the gas-liquid separator can absorb the liquid water, and the tail gas flows into the hydrogen buffer tank 3 through a communicating pipe 41 after flowing through the gas-liquid separator 2.
Further, as shown in fig. 1 and fig. 2, the air-cooled hydrogen fuel cell exhaust gas treatment system further includes a first control valve 6, a second control valve 7, and a controller 5, the first control valve 6 is disposed on the exhaust gas outlet pipeline, the controller 5 is connected to the first exhaust valve to control the first control valve 6 to open or close the exhaust gas outlet pipeline, the second control valve 7 is disposed at the exhaust outlet, and the controller 5 is communicated with the second control valve 7 to control the exhaust outlet to open or close.
Therefore, the controller 5 can control the first exhaust valve to realize intermittent exhaust, and simultaneously control the exhaust port to regularly exhaust liquid water and impurity gas in the hydrogen buffer tank 3, so as to ensure long-term operation of the whole air-cooled hydrogen fuel cell exhaust treatment system.
Further, as shown in fig. 2, the air-cooled hydrogen fuel cell tail gas treatment system further includes a liquid level meter 8, the liquid level meter 8 is disposed in the hydrogen buffer tank 3 for detecting a liquid level in the hydrogen buffer tank 3, and the controller 5 can control the second control valve 7 to operate according to detection information of the liquid level meter 8.
In the treatment of the liquid water discharged from the cell stack 1, the gas-liquid separation device 2 is not limited to be provided between the hydrogen buffer tank 3 and the cell stack 1, and the liquid water may be drained to the hydrogen buffer tank 3 and discharged from the discharge port if it is ensured that the liquid water does not stay in the pipe.
To the technical scheme who does not set up gas-liquid separation device 2, another embodiment is proposed in this application, specifically, as shown in fig. 3, the utility model discloses the air-cooled hydrogen fuel cell tail gas processing system of another embodiment includes galvanic pile 1 and hydrogen buffer tank 3, and hydrogen buffer tank 3 has air inlet and discharge port, and is equipped with fin 43 on the outer wall of hydrogen buffer tank 3, and the air inlet communicates with the tail gas outlet pipeline of galvanic pile 1, and the discharge port can be opened and closed.
It can be understood that the tail gas that fuel cell produced has higher temperature, because be equipped with fin 43 on the outer wall of hydrogen buffer tank 3, then the tail gas that flows into hydrogen buffer tank 3 can cool off fast and condense, and the pressure differential of increase hydrogen buffer tank 3 and tail gas outlet pipe guarantees to carry during vapor and the foreign gas of liquid water can flow into hydrogen buffer tank 3 completely, avoids the not enough problem that leads to liquid water to be detained in communicating pipe 41 of pressure differential.
It should be noted that the hydrogen choked flow in this embodiment is also achieved by utilizing the equilibrium pressure difference of the hydrogen buffer tank 3, and is not described herein.
The utility model discloses air-cooled hydrogen fuel cell tail gas processing system, hydrogen buffer tank 3 and tail gas outlet pipeline intercommunication, the outer wall of hydrogen buffer tank 3 is equipped with fin 43, along with unreacted hydrogen lasts to flow in hydrogen buffer tank 3, the pressure increase in the hydrogen buffer tank 3, both pressure differentials reduce, the hydrogen flow rate slows down gradually, reduce to zero until pressure differential, the afterbody does not participate in the hydrogen of reaction and is forced the gathering to continue to participate in the reaction in pile 1, improve the hydrogen utilization ratio. In addition, fin 43 can make the vapor in the hydrogen buffer tank 3 cool off fast and condense to increase the pressure differential of hydrogen buffer tank 3 and tail gas outlet pipeline, guarantee that the vapor and the impurity gas that carry liquid water can flow into hydrogen buffer tank 3 completely, avoid 1 ponding of pile, just the utility model discloses an air-cooled hydrogen fuel cell tail gas processing system compares in traditional tail gas treatment scheme, need not to set up structures such as circulating pump and return line, simple structure, and weight, volume and system's consumption are little.
Preferably, the hydrogen buffer tank 3 is communicated with the tail gas outlet pipeline through a communicating pipe 41, and a cooling fin 43 is arranged at the connecting end of the communicating pipe 41 and the hydrogen buffer tank 3.
It is understood that the liquid water can be pressed into the hydrogen buffer tank 3 by increasing the pressure difference without providing the gas-liquid separation device 2, and the implementation of the pressurization flow control is not limited to providing the cooling fins 43.
For example, the present invention provides an air-cooled hydrogen fuel cell exhaust gas treatment system, which comprises a stack 1 and a hydrogen buffer tank 3, wherein the hydrogen buffer tank 3 has an air inlet and a discharge port, the discharge port can be opened and closed, the air inlet is communicated with an exhaust gas outlet pipeline of the stack 1 through a communicating pipe 41, and a heating member is disposed on an outer wall of the communicating pipe 41.
It can be understood that, by providing the heating member on the outer wall of the communicating pipe 41, the communicating pipe 41 can be heated by the heating member to vaporize the liquid water discharged from the cell stack 1 into water vapor, and the original impurity gas and the water vapor are mixed to flow to the hydrogen buffer tank 3 together. And the liquid water is vaporized to increase the pressure in the communicating pipe 41, and the pressure difference between the hydrogen buffer tank 3 and the communicating pipe 41 is relatively increased, so that the impurity gas and the water vapor are utilized to flow toward the hydrogen buffer tank 3.
It should be noted that the hydrogen choked flow in this embodiment is also achieved by utilizing the equilibrium pressure difference of the hydrogen buffer tank 3, and is not described herein.
The utility model discloses air-cooled hydrogen fuel cell tail gas processing system, hydrogen buffer tank 3 is through communicating pipe 41 and tail gas outlet pipeline intercommunication, be equipped with the heating member on communicating pipe 41, along with unreacted hydrogen lasts to flow in hydrogen buffer tank 3, the pressure increase in the hydrogen buffer tank 3, both pressure differentials reduce, the hydrogen flow rate slows down gradually, reduce to zero until pressure differential, the afterbody does not participate in the hydrogen of reaction and is forced the gathering to continue to participate in the reaction in pile 1, improve the hydrogen utilization ratio. In addition, heating member heatable communicating pipe 41 is in order to vaporize into vapor with 1 exhaust liquid water of pile, mixes the common flow direction hydrogen buffer tank 3 of original impurity gas and vapor, avoids 1 ponding of pile, just the utility model discloses an air-cooled hydrogen fuel cell tail gas processing system compares in traditional tail gas treatment scheme, need not to set up such as structures such as circulating pump and return line, simple structure, weight, volume and system consumption are little.
The utility model discloses air-cooled type hydrogen fuel cell system includes the air-cooled type hydrogen fuel cell tail gas processing system of above-mentioned embodiment.
The utility model discloses air-cooled type hydrogen fuel cell system, through adopting above-mentioned air-cooled type hydrogen fuel cell tail gas processing system, system simple structure, the consumption is little.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Although embodiments of the present invention have been shown and described, 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 without departing from the scope of the present invention.
Claims (8)
1. An air-cooled hydrogen fuel cell tail gas treatment system, comprising:
a galvanic pile;
the inlet of the gas-liquid separation device is communicated with a tail gas outlet pipeline of the galvanic pile;
the hydrogen buffer tank, the hydrogen buffer tank has air inlet and discharge port, the air inlet pass through communicating pipe with gas-liquid separation device's export intercommunication, the discharge port is located the diapire of hydrogen buffer tank and can open and close.
2. The air-cooled hydrogen fuel cell tail gas treatment system according to claim 1, further comprising a first control valve and a controller, wherein the first control valve is disposed on the tail gas outlet pipeline, and the controller is connected to the first control valve to control the first control valve to open or close the tail gas outlet pipeline.
3. The air-cooled hydrogen fuel cell tail gas treatment system according to claim 2, further comprising a second control valve provided at the discharge port, the controller communicating with the second control valve to control opening and closing of the discharge port.
4. The air-cooled hydrogen fuel cell tail gas treatment system according to claim 3, further comprising a liquid level meter disposed in the hydrogen buffer tank for detecting a liquid level in the hydrogen buffer tank, wherein the controller controls the second control valve to operate according to detection information of the liquid level meter.
5. An air-cooled hydrogen fuel cell exhaust gas treatment system, comprising:
a galvanic pile;
the hydrogen buffer tank, the hydrogen buffer tank has air inlet and discharge port, just be equipped with the fin on the outer wall of hydrogen buffer tank, the air inlet with the tail gas outlet pipe intercommunication of pile, the discharge port can be opened and closed.
6. The air-cooled hydrogen fuel cell tail gas treatment system according to claim 5, wherein the hydrogen buffer tank is communicated with the tail gas outlet pipeline through a communicating pipe, and a cooling fin is arranged at the connecting end of the communicating pipe and the hydrogen buffer tank.
7. An air-cooled hydrogen fuel cell tail gas treatment system, comprising:
a galvanic pile;
the hydrogen buffer tank, the hydrogen buffer tank has air inlet and discharge port, the discharge port can be opened and closed, the air inlet through communicating pipe with the tail gas outlet pipeline intercommunication of galvanic pile, just be equipped with the heating member on the outer wall of communicating pipe.
8. An air-cooled hydrogen fuel cell system characterized by comprising the air-cooled hydrogen fuel cell off-gas treatment system according to any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221696180.8U CN218827277U (en) | 2022-07-01 | 2022-07-01 | Air-cooled hydrogen fuel cell tail gas treatment system and air-cooled hydrogen fuel cell system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221696180.8U CN218827277U (en) | 2022-07-01 | 2022-07-01 | Air-cooled hydrogen fuel cell tail gas treatment system and air-cooled hydrogen fuel cell system |
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| CN218827277U true CN218827277U (en) | 2023-04-07 |
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| CN202221696180.8U Active CN218827277U (en) | 2022-07-01 | 2022-07-01 | Air-cooled hydrogen fuel cell tail gas treatment system and air-cooled hydrogen fuel cell system |
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| CN (1) | CN218827277U (en) |
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