CN117832538A - Water heat management system of fuel cell test platform - Google Patents
Water heat management system of fuel cell test platform Download PDFInfo
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- CN117832538A CN117832538A CN202311785117.0A CN202311785117A CN117832538A CN 117832538 A CN117832538 A CN 117832538A CN 202311785117 A CN202311785117 A CN 202311785117A CN 117832538 A CN117832538 A CN 117832538A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 239000000446 fuel Substances 0.000 title claims abstract description 63
- 238000012360 testing method Methods 0.000 title claims abstract description 25
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000001257 hydrogen Substances 0.000 claims abstract description 21
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000004064 recycling Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 34
- 239000000498 cooling water Substances 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000002826 coolant Substances 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 239000007789 gas Substances 0.000 description 25
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- OOYGSFOGFJDDHP-KMCOLRRFSA-N kanamycin A sulfate Chemical group OS(O)(=O)=O.O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CN)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O[C@@H]2[C@@H]([C@@H](N)[C@H](O)[C@@H](CO)O2)O)[C@H](N)C[C@@H]1N OOYGSFOGFJDDHP-KMCOLRRFSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Fuel Cell (AREA)
Abstract
The invention belongs to the technical field related to fuel cells, and discloses a water heat management system of a fuel cell test platform, which comprises an anode pipeline, a cathode pipeline and a cooling and water recycling pipeline, wherein: the anode pipeline comprises an anode condenser, a hydrogen tank, a first heat exchanger and an anode humidifier which are connected in sequence; the cathode pipeline comprises a cathode condenser, an air compressor, a second heat exchanger and a cathode humidifier which are connected in sequence; the cooling and water recycling pipeline comprises a fourth heat exchanger, a third heat exchanger and a cooler which are connected in sequence; the fourth heat exchanger is arranged on the pipelines of the anode condenser and the anode humidifier, and a cold water pipeline in the fourth heat exchanger is connected with the anode humidifier; the third heat exchanger is arranged on the pipelines of the cathode condenser and the cathode humidifier, and the cold water pipeline of the third heat exchanger is connected with the cathode humidifier; the cooler is connected with the polar plate of the fuel cell. The self-supply of the humidifying water can be realized, and the required humidifying and heating power consumption can be reduced.
Description
Technical Field
The invention belongs to the technical field related to fuel cells, and particularly relates to a water heat management system of a fuel cell test platform.
Background
Hydrogen becomes an excellent carrier for storing and transporting new energy due to the advantages of high heat value, clean combustion, flexible use and the like. Compared with the method that hydrogen is directly used as fuel, the electrochemical method utilizes chemical energy in the hydrogen to break through the constraint of the Kano cycle, so that higher utilization efficiency is realized, and meanwhile, the generated electric energy is more flexible than heat energy in use, so that the fuel cell has remarkable advantages in hydrogen energy use, and in order to test various performances of the fuel cell in the design and manufacture process, a special test platform needs to be built for the fuel cell.
However, the fuel cell testing platform has the following problems in the use process:
(1) In the test process, the water is required to be periodically supplied into the humidifier from the outside so as to meet the humidification requirement, the water temperature of the external water is generally lower than the water temperature in the humidifier, and the working stability of the fuel cell can be influenced, especially under the working condition of high load and large humidification amount;
(2) The humidifier needs to heat the humidified water and generate water vapor during the test, which will generate a great power consumption.
Disclosure of Invention
In order to meet the above defects or improvement demands of the prior art, the invention provides a water heat management system of a fuel cell test platform, which can realize self supply of humidification water and reduce required humidification heating power consumption.
To achieve the above object, according to one aspect of the present invention, there is provided a water thermal management system for a fuel cell test platform, comprising an anode line, a cathode line, and a cooling and water recovery line, wherein: the anode pipeline comprises an anode condenser, a hydrogen tank, a first heat exchanger and an anode humidifier which are connected in sequence; the cathode pipeline comprises a cathode condenser, an air compressor, a second heat exchanger and a cathode humidifier which are connected in sequence; the cooling and water recycling pipeline comprises a fourth heat exchanger, a third heat exchanger and a cooler which are connected in sequence; the fourth heat exchanger is arranged on the pipelines of the anode condenser and the anode humidifier, and a cold water pipeline in the fourth heat exchanger is connected with the anode humidifier; the third heat exchanger is arranged on the pipelines of the cathode condenser and the cathode humidifier, and the cold water pipeline of the third heat exchanger is connected with the cathode humidifier; the cooler is connected with the polar plate of the fuel cell, so that the low-temperature galvanic pile cooling water generated by the cooler absorbs heat on the polar plate and then is input into the hot water pipeline of the fourth heat exchanger, the heat is radiated in the fourth heat exchanger and then is input into the hot water pipeline of the third heat exchanger for radiation, and the low-temperature galvanic pile cooling water is further cooled in the cooler after the heat is radiated.
Preferably, the system further comprises a first liquid level meter and a fourth electromagnetic valve, wherein the first liquid level meter is connected with the anode humidifier and the fourth electromagnetic valve, the first liquid level meter is used for monitoring the water level in the anode humidifier, the fourth electromagnetic valve is arranged on a cold water pipeline in the fourth heat exchanger, the opening of the fourth electromagnetic valve is controlled according to the water level information monitored by the first liquid level meter, and then the water level in the anode humidifier is controlled.
Preferably, the device further comprises a second liquid level meter and a third electromagnetic valve, wherein the second liquid level meter is connected with the cathode humidifier and the third electromagnetic valve, the second liquid level meter is used for monitoring the water level of the cathode humidifier, the third electromagnetic valve is arranged on a cold water pipeline of the third heat exchanger and between the third heat exchanger and the cathode humidifier, and the opening of the third electromagnetic valve is controlled according to the water level information monitored by the second liquid level meter, so that the water level of the cathode humidifier is controlled.
Preferably, the cooler comprises a temperature sensor, a fifth heat exchanger and a circulating pump, the high Wen Diandui cooling water is input into the polar plate of the fuel cell after passing through the temperature sensor, the fifth heat exchanger and the circulating pump, and the cooling medium of the fifth heat exchanger is an external low-temperature working medium.
Preferably, the hydrogen storage device further comprises an anode heat tracing belt and a cathode heat tracing belt, wherein the anode heat tracing belt is arranged between the anode humidifier and the fuel cell, and humidified hydrogen is input into the fuel cell through the anode heat tracing belt; the cathode heat tracing belt is arranged between the cathode humidifier and the fuel cell, and humidified air is input into the fuel cell through the cathode heat tracing belt.
Preferably, a first electromagnetic valve is arranged on a pipeline between the hydrogen tank and the first heat exchanger.
Preferably, a second electromagnetic valve is arranged on a pipeline between the air compressor and the second heat exchanger.
In general, compared with the prior art, the water thermal management system of the fuel cell testing platform has the following advantages:
1. the supplied humidifying water comes from condensed water obtained by condensation in tail gas of the test system, and is preheated by high-temperature stack cooling water, so that the humidifying water is more similar to the water temperature in the humidifier, and stable operation of the humidifier and the tested fuel cell is facilitated; meanwhile, the oxidation-reduction reaction product of the hydrogen and the oxygen is water, and under the condition of good pipeline tightness, the water content in the tail gas is higher than the water consumption of the humidifying gas, so that the water in the tail gas is collected and used as humidifying water supplementing, the self supply of the humidifying water can be realized, and the water resource is saved.
2. According to the invention, the exhaust gas of the test system is used for heating the air intake needed by the reaction, and the high-temperature pile cooling water is used for heating the anode and cathode condensed water, so that the pile heating and the heat carried by the exhaust gas which should be wasted are fully utilized, the power consumption for heating the air intake and the power consumption of the humidifier are saved, and the energy-saving benefit is realized.
Drawings
FIG. 1 is a schematic diagram of a water thermal management system of a fuel cell testing platform of the present application;
FIG. 2 is a schematic diagram of an interface of a fuel cell testing platform water thermal management system of the present application;
fig. 3 is a schematic structural view of the cooler of the present application.
The same reference numbers are used throughout the drawings to reference like elements or structures, wherein:
1-hydrogen tank, 2-first solenoid valve, 3-first heat exchanger, 4-first liquid level meter, 5-positive pole humidifier, 6-positive pole companion belt, 7-fuel cell, 8-negative pole companion belt, 9-negative pole humidifier, 10-second liquid level meter, 11-second heat exchanger, 12-second solenoid valve, 13-air compressor, 14-negative pole condenser, 15-third heat exchanger, 16-third solenoid valve, 17-cooler, 18-fourth solenoid valve, 19-fourth heat exchanger, 20-positive pole condenser, 171-temperature sensor, 172-fifth heat exchanger, 173-circulating pump.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
The invention provides a water thermal management system of a fuel cell test platform, which comprises an anode pipeline, a cathode pipeline and a cooling and water recycling pipeline, as shown in figure 1.
The anode pipeline mainly comprises an anode condenser 20, a hydrogen tank 1, a first heat exchanger 3 and an anode humidifier 5 which are connected in sequence.
The cathode pipeline comprises a cathode condenser 14, an air compressor 13, a second heat exchanger 11 and a cathode humidifier 9 which are connected in sequence;
the cooling and water recovery pipeline comprises a fourth heat exchanger 19, a third heat exchanger 15 and a cooler 17 which are connected in sequence; the fourth heat exchanger 19 is arranged on the pipelines of the anode condenser 20 and the anode humidifier 5, and the cold water pipeline in the fourth heat exchanger 19 is connected with the anode humidifier 5; the third heat exchanger 15 is arranged on the pipeline of the cathode condenser 14 and the cathode humidifier 9, and the cold water pipeline of the third heat exchanger 15 is connected with the cathode humidifier 9;
the cooler 17 is connected with the polar plate of the fuel cell, so that the low-temperature galvanic pile cooling water generated by the cooler 17 absorbs heat on the polar plate and then is input into the hot water pipeline of the fourth heat exchanger 19, the heat is radiated in the fourth heat exchanger 19 and then is input into the hot water pipeline of the third heat exchanger 15 for radiation, and the low-temperature galvanic pile cooling water is further cooled in the cooler after radiation.
Specifically, the hydrogen in the hydrogen tank 1 is humidified in the anode humidifier 5 after being heated by the first heat exchanger 3, and then is input into the anode of the fuel cell; the air input by the air compressor 13 is humidified in the cathode humidifier 9 after being heated by the second heat exchanger 11 and then is input into the cathode of the fuel cell;
the high-temperature tail gas of the anode of the fuel cell is input into the first heat exchanger 3 to exchange heat with hydrogen and then is input into the anode condenser 20 to be condensed, the condensed gas is discharged, and condensed water after condensation is used as cooling water to be input into a cold water pipeline of the fourth heat exchanger 19;
the high-temperature tail gas of the cathode of the fuel cell is input into the second heat exchanger 11 to exchange heat with air and then is input into the cathode condenser 14 to be condensed, the condensed gas is discharged, and the condensed water is input into the cold water pipeline of the third heat exchanger 15 as cooling water.
In a further preferred scheme, the system further comprises a first liquid level meter 4 and a fourth electromagnetic valve 18, wherein the first liquid level meter 4 is connected with the anode humidifier 5 and the fourth electromagnetic valve 18, the first liquid level meter 4 is used for monitoring the water level in the anode humidifier 5, the fourth electromagnetic valve 18 is arranged on a cold water pipeline in the fourth heat exchanger 19, and the opening degree of the fourth electromagnetic valve 18 is controlled according to the water level information monitored by the first liquid level meter 4, so that the water level in the anode humidifier 5 is controlled.
In a further preferred scheme, the system further comprises a second liquid level meter 10 and a third electromagnetic valve 16, wherein the second liquid level meter 10 is connected with the cathode humidifier 9 and the third electromagnetic valve 16, the second liquid level meter 10 is used for monitoring the water level of the cathode humidifier 9, the third electromagnetic valve 16 is arranged on a cold water pipeline of the third heat exchanger 15 and is positioned between the third heat exchanger 15 and the cathode humidifier 9, and the opening degree of the third electromagnetic valve 16 is controlled according to the water level information monitored by the second liquid level meter 10, so that the water level of the cathode humidifier 9 is controlled.
In a further preferred embodiment, as shown in fig. 3, the cooler 17 includes a temperature sensor 171, a fifth heat exchanger 172 and a circulation pump 173, the high Wen Diandui cooling water is input to the polar plate of the fuel cell after passing through the temperature sensor 171, the fifth heat exchanger 172 and the circulation pump 173, and the cooling medium of the fifth heat exchanger 172 is an external low-temperature working medium.
In a further preferred embodiment, the system further comprises an anode heat tracing band 6 and a cathode heat tracing band 8, wherein the anode heat tracing band 6 is arranged between the anode humidifier 5 and the fuel cell, and the humidified hydrogen is input into the fuel cell through the anode heat tracing band 6; the cathode heat tracing band 8 is arranged between the cathode humidifier 9 and the fuel cell, and humidified air is input into the fuel cell through the cathode heat tracing band 8.
In a further preferred scheme, a first electromagnetic valve 2 is arranged on a pipeline between the hydrogen gas tank 1 and the first heat exchanger 3, and the first electromagnetic valve 2 controls the flow of hydrogen gas discharged by the hydrogen gas tank 1. A second electromagnetic valve 12 is arranged on a pipeline between the air compressor 13 and the second heat exchanger 11, and the second electromagnetic valve 12 controls the air flow discharged by the air compressor 13.
Referring to fig. 2, the above-mentioned fuel electromagnetic test platform water thermal management system works as follows:
the first electromagnetic valve 2 controls the flow of hydrogen discharged by the hydrogen tank 1, the hydrogen enters the first heat exchanger 3 from the cold side inlet A of the first heat exchanger 3 after passing through the first electromagnetic valve 2, absorbs heat in the first heat exchanger 3, is output from the cold side outlet B of the first heat exchanger 3, enters the anode humidifier 5, enters the anode heat tracing belt 6 for heating after being humidified in the anode humidifier 5, and is then input into the anode of the fuel cell 7 for reaction.
Simultaneously with the above process, the air compressor 13 supplies compressed air to the cathode pipeline, the flow rate of the compressed air is controlled by the second electromagnetic valve 12, the compressed air passing through the second electromagnetic valve 12 enters the second heat exchanger 11 through the cold side inlet U of the second heat exchanger 11, is discharged from the cold side outlet V of the second heat exchanger 11 after being heated by the second heat exchanger 11, enters the cathode humidifier 9, is humidified in the cathode humidifier 9, enters the cathode heat tracing belt 8 for heating, and then is input into the cathode of the fuel cell 7 for participating in the reaction.
After reaction, the fuel cell 7 discharges the tail gas after reaction to the anode pipeline and the cathode pipeline respectively through the anode outlet and the cathode outlet, under the pushing of pressure difference, the anode tail gas enters the first heat exchanger 3 through the hot side inlet C of the first heat exchanger 3, after heat release in the first heat exchanger 3, the tail gas is output from the hot side outlet D of the first heat exchanger 3 and enters the anode condenser 20 through the gas inlet E of the anode condenser 20, after condensation in the anode condenser 20, the condensed gas is discharged out of the system through the gas outlet F of the anode condenser 20, the condensed liquid is discharged through the liquid outlet G of the anode condenser 20, enters the fourth heat exchanger 19 through the cold side inlet H of the fourth heat exchanger 19, after heat absorption in the fourth heat exchanger 19, the tail gas is discharged through the cold side outlet I of the fourth heat exchanger 19, and the tail gas after discharge is controlled to be input into the anode humidifier 5 through the fourth electromagnetic valve 18. Similarly, the cathode tail gas enters the second heat exchanger 11 through the hot side inlet X of the second heat exchanger 11, is discharged from the hot side outlet W of the second heat exchanger 11 after heat is released in the second heat exchanger 11, enters the cathode condenser 14 through the gas inlet T of the cathode condenser 14, is condensed in the cathode condenser 14, is discharged from the system through the gas outlet S of the cathode condenser 14, is discharged through the liquid outlet R of the cathode condenser 14, enters the third heat exchanger 15 through the cold side inlet N of the third heat exchanger 15, is discharged through the cold side outlet O of the third heat exchanger 15 after heat is absorbed in the third heat exchanger 15, and is controlled to be input into the cathode humidifier 9 through the cathode water supplementing inlet M through the third electromagnetic valve 16 after discharge.
During the reaction, the fuel cell 7 will generate a lot of heat, so the low temperature stack cooling water generated by the cooler 17 is led into the polar plate of the fuel cell 7 from the stack cooling water outlet Z to dissipate heat, the high Wen Diandui cooling water generated after absorbing the heat passes through the hot side inlet J and the hot side outlet K of the fourth heat exchanger 19 and the hot side inlet P and the hot side outlet Q of the third heat exchanger 15 in sequence and serves as the heat source to heat the condensed water therein, and finally flows into the cooler 17 from the stack cooling water inlet Y to be cooled by the external low temperature working medium at the fifth heat exchanger 172 and is re-sent into the fuel cell 7 by the circulation pump 173. In order to maintain the operating temperature of the fuel cell 7 constant, a temperature sensor 171 is provided in the cooler 17 to monitor the temperature of the fuel cell 7 and the temperature of the stack cooling water flowing into the cooler 17, respectively, and a rotation speed signal is sent to the circulation pump 173 to control the flow rate of the stack cooling water after calculation by the control circuit. As the anode humidifier 5 and the cathode humidifier 9 continuously humidify the incoming gas, the humidification water in the anode humidifier 5 and the cathode humidifier 9 gradually decreases, at this time, the first liquid level meter 4 and the second liquid level meter 10 in the anode humidifier process the monitored liquid level signals, and then convert the monitored liquid level signals into opening signal distribution, and send the opening signal distribution to the fourth electromagnetic valve 18 and the third electromagnetic valve 16 to change the opening, so as to change the water supplementing flow flowing into the anode humidifier 5 and the cathode humidifier 9 to maintain the stability of the liquid level in the humidifier.
The above examples illustrate the operation of the system, and the following uses the Simulink tool in MATLAB to build and solve a numerical model to give a specific example:
assume that the fuel cell output power is 350kW; the operating temperature of the fuel cell is 80 ℃; anode inlet flow is 6000SLPM; the cathode inlet air flow rate is 20000SLPM; the relative humidity of the anode inlet air is 0; the relative humidity of the cathode inlet is 50%; the inlet air temperature of the anode and the cathode is 20 ℃; the external water replenishing temperature is 20 ℃.
The first heat exchanger 3 is removed according to the system shown in fig. 1; a second heat exchanger 11; a cathode condenser 14; a third heat exchanger 15; a third solenoid valve 16; a fourth solenoid valve 18; a fourth heat exchanger 19; under the condition that the anode condensate gas 20 runs, namely, under the condition that heat and moisture in tail gas of the anode and the cathode and heat generated by the reaction of the fuel cell are not recovered, the total humidification amount of the anode humidifier 5 and the cathode humidifier 9 is 77.05g/s, and the heating power consumption is 222.46kW.
In the case of the system shown in fig. 1, i.e., in the case of recovering heat and moisture in the cathode and anode exhaust gas and heat generated by the fuel cell reaction, the total amount of humidification by the anode humidifier 5 and the cathode humidifier 9 was 77.05g/s, the heating power consumption was 205.84kW, and the total amount of condensed water recovered by the anode condenser 20 and the cathode condenser 14 was 77.51g/s. The result shows that the system can realize self supply of the humidifying water and can obviously reduce the thermal power consumption of the humidifier.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (7)
1. The utility model provides a fuel cell test platform water thermal management system which characterized in that includes positive pole pipeline, negative pole pipeline and cooling and water recovery pipeline, wherein:
the anode pipeline comprises an anode condenser (20), a hydrogen tank (1), a first heat exchanger (3) and an anode humidifier (5) which are connected in sequence;
the cathode pipeline comprises a cathode condenser (14), an air compressor (13), a second heat exchanger (11) and a cathode humidifier (9) which are connected in sequence;
the cooling and water recycling pipeline comprises a fourth heat exchanger (19), a third heat exchanger (15) and a cooler (17) which are connected in sequence; the fourth heat exchanger (19) is arranged on the pipelines of the anode condenser (20) and the anode humidifier (5), and a cold water pipeline in the fourth heat exchanger (19) is connected with the anode humidifier (5); the third heat exchanger (15) is arranged on the pipeline of the cathode condenser (14) and the cathode humidifier (9), and the cold water pipeline of the third heat exchanger (15) is connected with the cathode humidifier (9);
the cooler (17) is connected with the polar plate of the fuel cell, so that the low-temperature electric pile cooling water generated by the cooler (17) absorbs heat on the polar plate and then is input into a hot water pipeline of the fourth heat exchanger (19), the heat is radiated in the fourth heat exchanger (19) and then is input into a hot water pipeline of the third heat exchanger (15) to radiate, and the low-temperature electric pile cooling water is further cooled in the cooler after the heat is radiated.
2. The fuel cell testing platform water thermal management system according to claim 1, further comprising a first liquid level meter (4) and a fourth electromagnetic valve (18), wherein the first liquid level meter (4) is connected with an anode humidifier (5) and the fourth electromagnetic valve (18), the first liquid level meter (4) is used for monitoring the water level in the anode humidifier (5), the fourth electromagnetic valve (18) is arranged on a cold water pipeline in the fourth heat exchanger (19), and the opening degree of the fourth electromagnetic valve (18) is controlled according to the water level information monitored by the first liquid level meter (4), so as to control the water level in the anode humidifier (5).
3. The fuel cell test platform water thermal management system according to claim 1 or 2, further comprising a second liquid level meter (10) and a third electromagnetic valve (16), wherein the second liquid level meter (10) is connected with the cathode humidifier (9) and the third electromagnetic valve (16), the second liquid level meter (10) is used for monitoring the water level of the cathode humidifier (9), the third electromagnetic valve (16) is arranged on a cold water pipeline of the third heat exchanger (15) and is positioned between the third heat exchanger (15) and the cathode humidifier (9), and the opening degree of the third electromagnetic valve (16) is controlled according to the water level information monitored by the second liquid level meter (10), so as to control the water level of the cathode humidifier (9).
4. The water thermal management system of a fuel cell test platform according to claim 1, wherein the cooler (17) comprises a temperature sensor (171), a fifth heat exchanger (172) and a circulating pump (173), the high Wen Diandui cooling water is input into the polar plate of the fuel cell after passing through the temperature sensor (171), the fifth heat exchanger (172) and the circulating pump (173), and the cooling medium of the fifth heat exchanger (172) is an external low-temperature working medium.
5. The fuel cell testing platform water thermal management system according to claim 1, further comprising an anode heat tracing band (6) and a cathode heat tracing band (8), wherein the anode heat tracing band (6) is arranged between the anode humidifier (5) and the fuel cell, and humidified hydrogen is input into the fuel cell through the anode heat tracing band (6); the cathode heat tracing belt (8) is arranged between the cathode humidifier (9) and the fuel cell, and humidified air is input into the fuel cell through the cathode heat tracing belt (8).
6. The fuel cell testing platform water thermal management system according to claim 1, wherein a first electromagnetic valve (2) is arranged on a pipeline between the hydrogen gas tank (1) and the first heat exchanger (3).
7. The water thermal management system of a fuel cell testing platform according to claim 1 or 6, wherein a second electromagnetic valve (12) is arranged on a pipeline between the air compressor (13) and the second heat exchanger (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311785117.0A CN117832538A (en) | 2023-12-22 | 2023-12-22 | Water heat management system of fuel cell test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311785117.0A CN117832538A (en) | 2023-12-22 | 2023-12-22 | Water heat management system of fuel cell test platform |
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| Publication Number | Publication Date |
|---|---|
| CN117832538A true CN117832538A (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311785117.0A Pending CN117832538A (en) | 2023-12-22 | 2023-12-22 | Water heat management system of fuel cell test platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN117832538A (en) |
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- 2023-12-22 CN CN202311785117.0A patent/CN117832538A/en active Pending
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