CN115207408A - Quick low-temperature cold start system of proton exchange membrane fuel cell - Google Patents
Quick low-temperature cold start system of proton exchange membrane fuel cell Download PDFInfo
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- CN115207408A CN115207408A CN202210930514.1A CN202210930514A CN115207408A CN 115207408 A CN115207408 A CN 115207408A CN 202210930514 A CN202210930514 A CN 202210930514A CN 115207408 A CN115207408 A CN 115207408A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
- H01M8/04022—Heating by combustion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04029—Heat exchange using liquids
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
- H01M8/04074—Heat exchange unit structures specially adapted for fuel cell
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
- H01M8/04225—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells during start-up
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
- H01M8/04268—Heating of fuel cells during the start-up of the fuel cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2457—Grouping of fuel cells, e.g. stacking of fuel cells with both reactants being gaseous or vaporised
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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 quick low temperature cold start system of proton exchange membrane fuel cell, relates to proton exchange membrane fuel cell technical field, including proton exchange membrane fuel cell pile, proton exchange membrane fuel cell pile is connected with hydrogen feed system, air feed system and coolant liquid circulation system, be equipped with combustion reactor between hydrogen feed system, the air feed system, combustion reactor is connected with the heat exchanger, the heat exchanger is connected with coolant liquid circulation system. The invention can improve the cold start efficiency by the way of small circulation heat exchange of the cooling liquid, avoids the defects of slow heating, large energy loss and long cold start time of the cooling liquid and avoids the increase of system complexity caused by adding an additional heat source; the variable cross-sectional shape of the mixing chamber of the combustion reactor can improve the drainage effect of air on hydrogen, and the deficiency of hydrogen in the combustion reaction process is avoided; the metal cylinder of the cooling pipeline of the heat exchanger can enhance the heat exchange rate of heat flow and cooling water.
Description
Technical Field
The invention relates to the technical field of proton exchange membrane fuel cells, in particular to a rapid low-temperature cold start system of a proton exchange membrane fuel cell.
Background
The proton exchange membrane fuel cell is a novel fuel cell with low noise, high energy conversion efficiency and zero emission. However, the proton exchange membrane fuel cell has a problem that the start-up is difficult in a low temperature environment. At lower temperatures, ice formation within the catalyst layer can impede oxygen transfer, mask the reactivity of the catalyst layer, reduce the electrochemical activity of the fuel cell, and lead to sub-zero start-up failures. Meanwhile, due to the existence of the freezing-melting period, the membrane electrode can be damaged to different degrees, so that the service life of the membrane electrode is shortened.
Therefore, the improvement of the cold start capability of the proton exchange membrane fuel cell has important significance on the popularization of the application of the hydrogen energy. At present, the proton exchange membrane fuel cell cold start strategies mainly comprise shutdown purging, external auxiliary heating and non-auxiliary starting. Wherein, the heating speed of the shutdown purging and the non-auxiliary starting mode is slow, and the cold starting time is long. The electric heating and hydrogen combustion heating modes have good control performance, but the additional power consumption of the system is high. In order to realize more efficient and energy-saving low-temperature cold start, a novel rapid low-temperature cold start system of the proton exchange membrane fuel cell is provided.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a rapid low-temperature cold start system of a proton exchange membrane fuel cell, which can avoid the problems.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the proton exchange membrane fuel cell quick low-temperature cold start system comprises a proton exchange membrane fuel cell stack, wherein the proton exchange membrane fuel cell stack is connected with a hydrogen supply system, an air supply system and a cooling liquid circulating system, a combustion reactor is arranged between the hydrogen supply system and the air supply system, the combustion reactor is connected with a heat exchanger, and the heat exchanger is connected with the cooling liquid circulating system.
Further, the hydrogen supply system includes the high-pressure hydrogen bottle, the high-pressure hydrogen bottle is connected with the relief pressure valve, the relief pressure valve is connected with the proportional valve, and the proportional valve is connected with hydrogen main road solenoid valve, and hydrogen main road solenoid valve is connected with first three-way valve, and first three-way valve is connected with proton exchange membrane fuel cell pile, and proton exchange membrane fuel cell pile is connected with the deareator, be equipped with hydrogen between first three-way valve and the proton exchange membrane fuel cell pile and go into a heap temperature pressure sensor.
Furthermore, a hydrogen return pump is arranged on one side of the pipeline between the first three-way valve and the hydrogen reactor temperature and pressure sensor 6, and the first three-way valve is connected with a hydrogen inlet of the combustion reactor.
Further, the air supply system comprises an air filter, the air filter is connected with an air compressor, the air compressor is connected with an intercooler, the intercooler is connected with an air main path electromagnetic valve, the air main path electromagnetic valve is connected with a second three-way valve, the second three-way valve is connected with a humidifier, the humidifier is connected with an air reactor temperature and pressure sensor, the air reactor temperature and pressure sensor is connected with a proton exchange membrane fuel cell stack, an air outlet of the proton exchange membrane fuel cell stack is connected with the humidifier, and the second three-way valve is connected with an air inlet of the combustion reactor.
Further, coolant liquid circulation system includes the water tank, the water tank is connected with the deionizer, and the deionizer is connected with the third three-way valve, and the third three-way valve is connected with the coolant liquid circulating pump, and the coolant liquid circulating pump is connected with proton exchange membrane fuel cell stack, and proton exchange membrane fuel cell stack is connected with the fourth three-way valve, and the fourth three-way valve is connected with the radiator, and the radiator links to each other with the water tank.
Further, a heat exchanger is arranged between the third three-way valve and the fourth three-way valve.
Further, coolant liquid circulation system includes the water tank, the water tank is connected with the deionizer, and the deionizer is connected with the fifth three-way valve, and the fifth three-way valve is connected with the coolant liquid circulating pump, and the coolant liquid circulating pump is connected with the sixth three-way valve, and the sixth three-way valve is connected with the heat exchanger, and the heat exchanger is connected with the seventh three-way valve, and the seventh three-way valve is connected with proton exchange membrane fuel cell pile, and proton exchange membrane fuel cell pile is connected with the eighth three-way valve, and the eighth three-way valve is connected with the radiator, and the radiator links to each other with the water tank.
Further, the fifth three-way valve is connected with the eighth three-way valve; the sixth three-way valve is connected with the seventh three-way valve.
Furthermore, a mixing chamber, a combustion chamber and a heat flow outlet cavity are arranged in the combustion reactor, a hydrogen inlet and an air inlet are arranged on the combustion reactor, wherein the hydrogen inlet and the air inlet are communicated with the mixing chamber, and a spark plug is arranged on one side of the combustion chamber.
Furthermore, the mixing chamber is a variable cross section with a small middle area and large two end areas, and the hydrogen inlet is positioned at the minimum cross section.
Further, the heat exchanger includes a fluid inlet tank and a fluid outlet tank, be linked together through a plurality of coolant liquid pipelines between fluid inlet tank and the fluid outlet tank, fluid inlet tank top is equipped with the coolant liquid entry, fluid outlet tank top is equipped with the coolant liquid export, a closed shell is installed with fluid outlet tank outside to fluid inlet tank, closed shell, fluid tank and fluid outlet tank form a heat transfer chamber, be equipped with on the fluid inlet tank with the heat flow entry that the heat transfer chamber is linked together, be equipped with on the fluid outlet tank with the exhaust port that the heat transfer chamber is linked together, coolant liquid pipeline cloth has a plurality of metal cylinders.
The invention has the beneficial effects that: the invention can improve the cold start efficiency by the way of small circulation heat exchange of the cooling liquid, avoids the defects of slow heating of the cooling liquid, large energy loss and long cold start time, and the energy for heating the cooling water can be directly generated by burning hydrogen and air, the air and the hydrogen can be directly supplied by a hydrogen supply system and an air supply system, no additional fuel or other heat sources are needed to be added, and the increase of the complexity of the system is avoided; the variable cross-sectional shape of the mixing chamber of the combustion reactor can improve the drainage effect of air on hydrogen, and the deficiency of hydrogen in the combustion reaction process is avoided; the metal cylinder of the cooling pipeline of the heat exchanger can enhance the heat exchange rate of heat flow and cooling water.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic structural view of a second embodiment of a coolant circulation system;
FIG. 3 is a cross-sectional view of a combustion reactor;
FIG. 4 is a three-dimensional view of a heat exchanger;
FIG. 5 is a three-dimensional view of the heat exchanger with the containment shell removed;
in the figure, 1 a high-pressure hydrogen bottle, 2 a pressure reducing valve, 3 a proportional valve, 4 a hydrogen main path electromagnetic valve, 5 a first three-way valve, 6 a hydrogen inlet temperature and pressure sensor, 7 a proton exchange membrane fuel cell stack, 8 a gas-water separator, 9 a hydrogen return pump, 10 an air filter, 11 an air compressor, 12 an intercooler, 13 an air main path electromagnetic valve, 14 a second three-way valve, 15 a humidifier, 16 an air inlet temperature and pressure sensor, 17 a water tank, 18 a deionizer, 19 a third three-way valve, 20 a cooling liquid circulating pump, 21 a fourth three-way valve, 22 a radiator, 23 a heat exchanger, 24 a combustion reactor, 25 a combustion reactor air inlet, 26 a combustion reactor hydrogen inlet, 27 a variable cross-section mixing chamber, 28 a spark plug, 29 a mixing chamber, 30 a heat flow outlet chamber, 31 a heat flow inlet, 32 a heat exchange chamber, 33 a smoke outlet, 34 a cooling liquid inlet, 35 a cooling liquid pipeline, 36 a cooling liquid outlet, 37 a metal cylinder, 38 a fifth three-way valve, 39 a sixth three-way valve, 40 a seventh three-way valve, 41 an eighth three-way valve.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to fig. 5, a system for rapidly starting a proton exchange membrane fuel cell at a low temperature includes a proton exchange membrane fuel cell stack 7, the proton exchange membrane fuel cell stack 7 is connected to a hydrogen supply system, an air supply system and a coolant circulation system, a combustion reactor 24 is disposed between the hydrogen supply system and the air supply system, the combustion reactor is connected to a heat exchanger 23, and the heat exchanger is connected to the coolant circulation system.
In at least one embodiment, the hydrogen supply system comprises a high-pressure hydrogen cylinder 1, a pressure reducing valve 2 is connected to the high-pressure hydrogen cylinder, a proportional valve 3 is connected to the pressure reducing valve 2, a hydrogen main path electromagnetic valve 4 is connected to the proportional valve 3, a first three-way valve 5 is connected to the hydrogen main path electromagnetic valve 4, a proton exchange membrane fuel cell stack 7 is connected to the first three-way valve 5, and a gas-water separator 8 is connected to the proton exchange membrane fuel cell stack 7.
Further, a hydrogen inlet temperature and pressure sensor 6 is arranged between the first three-way valve and the proton exchange membrane fuel cell stack 7.
Further, a hydrogen return pump 9 is arranged on one side of the pipeline between the first three-way valve and the hydrogen stacking temperature and pressure sensor 6.
Further, the first three-way valve is connected to a hydrogen inlet 26 of the combustion reactor 24.
In at least one embodiment, the air supply system includes an air filter 10, the air filter 10 is connected with an air compressor 11, the air compressor 11 is connected with an intercooler 12, the intercooler 12 is connected with an air main circuit electromagnetic valve 13, the air main circuit electromagnetic valve 13 is connected with a second three-way valve 14, the second three-way valve 14 is connected with a humidifier 15, the humidifier 15 is connected with an air in-stack temperature and pressure sensor 16, the air in-stack temperature and pressure sensor 16 is connected with a proton exchange membrane fuel cell stack 7, and an air outlet of the proton exchange membrane fuel cell stack 7 is connected with the humidifier 15.
Further, the second three-way valve 14 is connected to an air inlet 25 of a combustion reactor 24.
In at least one embodiment, as shown in fig. 1, the coolant circulation system includes a water tank 17, the water tank is connected to a deionizer 18, the deionizer 18 is connected to a third three-way valve 19, the third three-way valve 19 is connected to a coolant circulation pump 20, the coolant circulation pump 20 is connected to the pem fuel cell stack 7, the pem fuel cell stack 7 is connected to a fourth three-way valve 21, the fourth three-way valve 21 is connected to a radiator 22, the radiator 22 is connected to the water tank 17,
further, a heat exchanger 23 is provided between the third three-way valve 19 and the fourth three-way valve 21.
Wherein the coolant major circulation is defined as a circulation system formed by the water tank 17, the deionizer 18, the third three-way valve 19, the coolant circulation pump 20, the fuel cell stack 7, the fourth three-way valve 21, and the radiator 22; the coolant small circulation is defined as a circulation system formed by the third three-way valve 19, the coolant circulation pump 20, the fuel cell stack 7, the heat exchanger 23, and the fourth three-way valve 21.
In another embodiment, as shown in fig. 2, the coolant circulation system includes a water tank 17, the water tank is connected with a deionizer 18, the deionizer 18 is connected with a fifth three-way valve 38, the fifth three-way valve 38 is connected with a coolant circulation pump 20, the coolant circulation pump 20 is connected with a sixth three-way valve 39, the sixth three-way valve 39 is connected with a heat exchanger 23, the heat exchanger 23 is connected with a seventh three-way valve 40, the seventh three-way valve 40 is connected with a pem fuel cell stack 7, the pem fuel cell stack 7 is connected with an eighth three-way valve 41, the eighth three-way valve 41 is connected with a radiator 22, and the radiator 22 is connected with the water tank 17.
Further, the fifth three-way valve 38 is connected to an eighth three-way valve 41; the sixth three-way valve 39 is connected to a seventh three-way valve 40.
Wherein the coolant major circulation is defined as a circulation system formed by the water tank 17, the deionizer 18, the fifth three-way valve 38, the coolant circulation pump 20, the sixth three-way valve 39, the seventh three-way valve 40, the fuel cell stack 7, the eighth three-way valve 41, and the radiator 22; the coolant small circulation is defined as a circulation system formed by the fifth three-way valve 38, the coolant circulation pump 20, the sixth three-way valve 39, the connecting heat exchanger 23, the seventh three-way valve 40, the fuel cell stack 7, and the eighth three-way valve 41.
In at least one embodiment, a mixing chamber 27, a combustion chamber 29 and a hot fluid outlet chamber 30 are arranged in the combustion reactor 24, a hydrogen inlet 26 and an air inlet 25 are arranged on the combustion reactor, wherein the hydrogen inlet 26 and the air inlet 25 are communicated with the mixing chamber 27, a spark plug 28 is arranged on one side of the combustion chamber 29,
furthermore, the mixing chamber is a variable cross section with a small middle area and large two end areas, and the hydrogen inlet is positioned at the minimum cross section.
In at least one embodiment, the heat exchanger includes a liquid inlet tank 341 and a liquid outlet tank 361, the liquid inlet tank and the liquid outlet tank are communicated through a plurality of cooling liquid pipelines 35, a cooling liquid inlet 34 is arranged above the liquid inlet tank, a cooling liquid outlet 36 is arranged above the liquid outlet tank 361, a closed shell 32 is arranged outside the liquid inlet tank and the liquid outlet tank, the closed shell, the liquid tank and the liquid outlet tank form a heat exchange cavity, a heat flow inlet 31 communicated with the heat exchange cavity is arranged on the liquid inlet tank, and a smoke exhaust port 33 communicated with the heat exchange cavity is arranged on the liquid outlet tank.
Furthermore, a plurality of metal columns 37 are distributed on the cooling liquid pipeline.
The working mode is as follows: when the fuel cell system works normally, hydrogen and air enter the proton exchange membrane fuel cell stack along the hydrogen supply system and the air supply system respectively to generate electrochemical reaction and generate a large amount of heat; the cooling liquid cools the electric pile along the cooling liquid circulating system.
When the proton exchange membrane fuel cell stack is cold started at low temperature, hydrogen and air respectively enter the combustion reactor along the hydrogen supply system and the air supply system, and cooling liquid is transferred into a small cooling liquid circulation which is a closed loop not connected with the water tank. Therefore, the combustion reactor only needs to heat the cooling liquid in a small circulation at the cold start, and the heating time and the heating energy consumption can be effectively reduced. In addition, the energy for heating the cooling water is generated by combusting hydrogen and air, and the air and the hydrogen are directly supplied by the hydrogen supply system and the air supply system without adding fuel or other heat sources, so that the more complicated system structure is avoided.
The air gets into the mixing chamber by combustion reactor air inlet, and the air current can cause its velocity of flow increase owing to flowing cross sectional area's reduction through the mixing chamber of variable cross section formula structure, can deduce by Bernoulli's law, and along with the increase of air velocity, its pressure can reduce, owing to with the expansion of hydrogen entry end hydrogen pressure differential, and then can play better drainage effect to hydrogen. The mixture enters the combustion chamber, ignition and combustion are carried out on the mixture by a spark plug, and combustion heat flow enters the heat exchanger from the heat flow outlet cavity. The cooling liquid enters the cooling liquid pipeline from a cooling liquid inlet of the heat exchanger, a plurality of metal cylinders are distributed on the cooling liquid pipeline to enhance the heat exchange efficiency, the cooling liquid flows out from an outlet after being heated and enters the proton exchange membrane fuel cell stack, and water vapor and waste gas generated by the combustion reaction are discharged from a smoke outlet.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
Claims (10)
1. The quick low-temperature cold start system of the proton exchange membrane fuel cell is characterized by comprising a proton exchange membrane fuel cell stack, wherein the proton exchange membrane fuel cell stack is connected with a hydrogen supply system, an air supply system and a cooling liquid circulation system, a combustion reactor is arranged between the hydrogen supply system and the air supply system, the combustion reactor is connected with a heat exchanger, and the heat exchanger is connected with the cooling liquid circulation system.
2. The pem fuel cell fast low temperature cold start system of claim 1 wherein said hydrogen supply system includes a high pressure hydrogen cylinder, said high pressure hydrogen cylinder is connected with a pressure reducing valve, said pressure reducing valve is connected with a proportional valve, said proportional valve is connected with a hydrogen main solenoid valve, said hydrogen main solenoid valve is connected with a first three-way valve, said first three-way valve is connected with a pem fuel cell stack, said pem fuel cell stack is connected with a gas-water separator, and a hydrogen stack temperature and pressure sensor is disposed between said first three-way valve and said pem fuel cell stack.
3. The pem fuel cell rapid low temperature cold start-up system according to claim 2, wherein a hydrogen return pump is disposed at one side of the pipeline between the first three-way valve and the hydrogen stack temperature and pressure sensor 6, and the first three-way valve is connected to the hydrogen inlet of the combustion reactor.
4. The pem fuel cell rapid low temperature cold start-up system according to any one of claims 1 to 3, wherein the air supply system comprises an air filter connected with an air compressor, an intercooler, an air main solenoid valve, a second three-way valve, a humidifier, an air inlet temperature and pressure sensor, a pem fuel cell stack, a humidifier, and an air outlet of the pem fuel cell stack, the second three-way valve is connected with an air inlet of the combustion reactor.
5. The pem fuel cell rapid low temperature cold start system according to claim 1 wherein said coolant circulation system comprises a water tank, said water tank is connected with a deionizer, said deionizer is connected with a third three-way valve, said third three-way valve is connected with a coolant circulation pump, said coolant circulation pump is connected with a pem fuel cell stack, said pem fuel cell stack is connected with a fourth three-way valve, said fourth three-way valve is connected with a radiator, and said radiator is connected with said water tank.
6. The pem fuel cell rapid low temperature cold start system of claim 5 wherein a heat exchanger is provided between said third and fourth three-way valves.
7. The pem fuel cell rapid low temperature cold start system according to claim 1 wherein said coolant circulation system comprises a water tank, said water tank is connected with a deionizer, said deionizer is connected with a fifth three-way valve, said fifth three-way valve is connected with a coolant circulation pump, said coolant circulation pump is connected with a sixth three-way valve, said sixth three-way valve is connected with a heat exchanger, said heat exchanger is connected with a seventh three-way valve, said seventh three-way valve is connected with a pem fuel cell stack, said pem fuel cell stack is connected with an eighth three-way valve, said eighth three-way valve is connected with a radiator, and said radiator is connected with said water tank.
8. The pem fuel cell rapid low temperature cold start system of claim 7 wherein said fifth three-way valve is connected to an eighth three-way valve; the sixth three-way valve is connected with the seventh three-way valve.
9. The pem fuel cell rapid low temperature cold start-up system of claim 4 wherein a mixing chamber, a combustion chamber and a hot outlet chamber are provided in said combustion reactor, said combustion reactor is provided with a hydrogen inlet and an air inlet, wherein said hydrogen inlet and said air inlet are connected to said mixing chamber, and a spark plug is provided on one side of said combustion chamber.
10. The pem fuel cell quick low temperature cold start system of claim 9 wherein the heat exchanger comprises a liquid inlet tank and a liquid outlet tank, the liquid inlet tank and the liquid outlet tank are connected through a plurality of coolant pipes, a coolant inlet is provided above the liquid inlet tank, a coolant outlet is provided above the liquid outlet tank, a closed shell is installed outside the liquid inlet tank and the liquid outlet tank, the closed shell, the liquid tank and the liquid outlet tank form a heat exchange chamber, a heat flow inlet communicated with the heat exchange chamber is provided on the liquid inlet tank, a smoke exhaust port communicated with the heat exchange chamber is provided on the liquid outlet tank, and a plurality of metal cylinders are distributed on the coolant pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210930514.1A CN115207408A (en) | 2022-08-04 | 2022-08-04 | Quick low-temperature cold start system of proton exchange membrane fuel cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210930514.1A CN115207408A (en) | 2022-08-04 | 2022-08-04 | Quick low-temperature cold start system of proton exchange membrane fuel cell |
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| CN115207408A true CN115207408A (en) | 2022-10-18 |
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|---|---|---|---|
| CN202210930514.1A Pending CN115207408A (en) | 2022-08-04 | 2022-08-04 | Quick low-temperature cold start system of proton exchange membrane fuel cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116960399A (en) * | 2023-09-20 | 2023-10-27 | 爱德曼氢能源装备有限公司 | Megawatt hydrogen fuel cell distributed power generation system |
-
2022
- 2022-08-04 CN CN202210930514.1A patent/CN115207408A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116960399A (en) * | 2023-09-20 | 2023-10-27 | 爱德曼氢能源装备有限公司 | Megawatt hydrogen fuel cell distributed power generation system |
| CN116960399B (en) * | 2023-09-20 | 2023-12-12 | 爱德曼氢能源装备有限公司 | Megawatt hydrogen fuel cell distributed power generation system |
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