CN216818401U - Fuel cell emission management system - Google Patents
Fuel cell emission management system Download PDFInfo
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- CN216818401U CN216818401U CN202122993820.3U CN202122993820U CN216818401U CN 216818401 U CN216818401 U CN 216818401U CN 202122993820 U CN202122993820 U CN 202122993820U CN 216818401 U CN216818401 U CN 216818401U
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- 239000000446 fuel Substances 0.000 title claims abstract description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 228
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 47
- 239000001257 hydrogen Substances 0.000 claims abstract description 45
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 45
- 238000011084 recovery Methods 0.000 claims abstract description 44
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 239000002918 waste heat Substances 0.000 claims description 16
- 238000010248 power generation Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 9
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 10
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- 239000002826 coolant Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
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- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
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Abstract
A fuel cell discharge management system comprises a fuel cell stack, a gas-liquid separator, a hydrogen ejector, a condenser, a heat recovery unit and a water recovery unit. The residual hydrogen and water vapor discharged by the fuel cell stack reaction enter a gas-liquid separator to be separated, and the separated hydrogen is sucked out and reflows through a hydrogen ejector and is converged with the hydrogen at the gas inlet of the fuel cell stack again. The separated water vapor is subjected to heat exchange through a condenser to obtain liquid water, heat generated by the heat exchange is utilized by a heat recovery unit, and the obtained liquid water is utilized by a water recovery unit. By combining the gas-liquid separator and the hydrogen ejector, the utilization rate of residual hydrogen of the fuel cell is further improved, and the concentration of hydrogen in water vapor is reduced. Meanwhile, the heat generated by the condenser and the discharged liquid water are recycled, so that the functions of the fuel cell discharge management system are richer in resource recycling, and the problem of energy waste is further improved.
Description
Technical Field
The utility model relates to the field of fuel cell automobiles, in particular to a fuel cell emission management system.
Background
When the fuel cell is in operation, water is generated along with the reaction of the fuel cell, part of the generated water is carried out by the anode gas flow, part of the generated water is carried into the fuel cell by the anode circulating system, and the other part of the generated water is directly discharged into the atmosphere from the cathode through a tail exhaust. If the gas-liquid separation treatment is not performed on the hydrogen and the steam for the part of the liquid water brought into the fuel cell by the anode circulation system, the liquid water enters the galvanic pile along with the hydrogen and the steam, so that the anode is flooded, and the accumulated water in the anode circulation can increase the working load of the hydrogen circulation pump or the ejector, reduce the performance of the hydrogen circulation pump or the ejector and even cause faults.
The existing gas-liquid separation method adopted by the anode discharge treatment of the fuel cell has the defects that hydrogen and water vapor are easy to separate incompletely, and if the hydrogen and the water vapor are discharged after separation, the concentration of the hydrogen still has the possibility of reaching the explosion limit. In addition, the method can discharge the waste water generated at the cathode, and under the prior art, the recycling technology of the discharged waste water is simpler, and the scheme is single.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a fuel cell emission management system, which solves the problems of over high hydrogen concentration and single recovery and treatment means after gas-liquid separation in the prior art.
A fuel cell emission management system according to an embodiment of the present invention includes:
the fuel cell stack comprises an air inlet, an anode exhaust port and a cathode exhaust port;
the gas-liquid separator comprises an input port, a hydrogen output port and a water vapor output port, and the input port of the gas-liquid separator is connected with the anode discharge port;
the input port of the hydrogen ejector is connected with the hydrogen output port of the gas-liquid separator, and the output port of the hydrogen ejector is connected with the air inlet of the fuel cell stack;
the condenser comprises an input port and a water discharge port, and the input port of the condenser is respectively connected with the water vapor output port of the gas-liquid separator and the cathode discharge port;
the heat recovery unit is at least used for generating power by utilizing waste heat generated in the heat exchange of the condenser;
and the water recovery unit is connected with a water outlet of the condenser and at least used for recovering and utilizing water generated in the heat exchange of the condenser to compensate the amount of cooling liquid required in the reaction of the fuel cell stack.
The fuel cell system according to the embodiment of the utility model has at least the following technical effects: the residual hydrogen and water vapor discharged by the fuel cell stack reaction are separated after entering a gas-liquid separator, and the separated hydrogen is sucked out and reflows through a hydrogen ejector and is converged with the hydrogen at the gas inlet of the fuel cell stack again. The separated water vapor is subjected to heat exchange through a condenser to obtain liquid water, heat generated by the heat exchange is utilized by the heat recovery unit, and the obtained liquid water is utilized by the water recovery unit. By combining the gas-liquid separator and the hydrogen ejector, the residual hydrogen utilization rate of the fuel cell is further improved, and the hydrogen concentration in water vapor is reduced. In addition, the heat generated by the condenser and the discharged liquid water are recycled, and compared with the scheme of cathode drainage treatment of the fuel cell in the prior art, the fuel cell emission management system provided by the embodiment of the utility model has the advantages that the functions are richer in resource recycling, the problem of energy waste is further solved, and the energy conservation, emission reduction and low-carbon environmental protection are facilitated.
According to some embodiments of the utility model, the heat recovery unit comprises a waste heat power generation device for absorbing heat dissipated by the condenser during heat exchange and converting the heat into direct current voltage.
According to some embodiments of the present invention, the heat recovery unit further comprises a dc voltage boost device, an input end of the dc voltage boost device is electrically connected to the waste heat power generation device, and the dc voltage boost device is configured to boost a dc voltage generated by the waste heat power generation device and input the dc voltage to a power battery of the fuel cell vehicle.
According to some embodiments of the utility model, the water recovery unit comprises:
a water pump, an input port of which is connected with a water outlet of the condenser, the water pump is used for driving water generated by the condenser;
the main water tank is provided with a water inlet and a water outlet, and the water inlet of the main water tank is connected with the output port of the water pump.
According to some embodiments of the utility model, the water recovery unit further comprises:
the water replenishing tank is provided with a water inlet, a first water discharging port and a second water discharging port, the water inlet of the water replenishing tank is connected with the output port of the water pump, and the first water discharging port of the water replenishing tank is connected with the water inlet of the main water tank;
and the tail discharge pipe is connected with a second water outlet of the water replenishing tank.
According to some embodiments of the utility model, the water recovery unit further comprises:
the drain valve is connected between the water replenishing tank and the tail drain pipe;
and the pressure release valve is connected between the water replenishing tank and the tail pipe.
According to some embodiments of the utility model, the water recovery unit further comprises a one-way valve connected between the water pump and the refill tank.
According to some embodiments of the utility model, the water recovery unit further comprises a heater, an input port of the heater is connected with an output port of the water pump, and an output port of the heater is connected with a water inlet of the water replenishing tank.
According to some embodiments of the present invention, the water recovery unit further comprises a deionizer having one end connected to the first drain port of the makeup water tank and the other end connected to the water inlet port of the main water tank.
According to some embodiments of the utility model, the fuel cell emission management system further comprises a humidifying unit connected to the water inlet of the main water tank, and the humidifying unit is used for atomizing and blowing out water output by the water supply tank.
According to some embodiments of the utility model, the humidification unit comprises:
the input port of the three-way valve is connected with the first drainage port of the water replenishing tank, and one output port of the three-way valve is connected with the water inlet of the main water tank;
the input port of the humidification control valve is connected with the other output port of the three-way valve, and the humidification control valve is used for starting or stopping humidification operation;
the input port of the atomizer is connected with the output port of the humidification control valve;
and the input port of the air blower is connected with the output port of the atomizer, and the air blower is used for transmitting the humidified water vapor to the air conditioner for blowing.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a connection diagram of a fuel cell emission management system of an embodiment of the present invention.
Reference numerals:
a fuel cell stack 100,
A gas-liquid separator 200,
A hydrogen ejector 300,
A condenser 400,
A waste heat power generation device 510, a direct current booster 520, a power storage battery 530,
Three-way valve 710, humidification control valve 720, atomizer 730, blower 740, air conditioning duct 750.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.
In the description of the present invention, a plurality means two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly defined, terms such as set, mounted, connected, disconnected and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the terms in the present invention in combination with the specific contents of the technical solutions.
A fuel cell emission management system according to an embodiment of the present invention is described with reference to fig. 1.
A fuel cell emission management system according to an embodiment of the present invention includes: the fuel cell stack 100, the gas-liquid separator 200, the hydrogen ejector 300, the condenser 400, the heat recovery unit, and the water recovery unit. The fuel cell stack 100 includes an air inlet, an anode exhaust, and a cathode exhaust; the gas-liquid separator 200 comprises an input port, a hydrogen output port and a water vapor output port, and the input port of the gas-liquid separator 200 is connected with the anode discharge port; the input port of the hydrogen ejector 300 is connected with the hydrogen output port of the gas-liquid separator 200, and the output port is connected with the air inlet of the fuel cell stack 100; the condenser 400 comprises an input port and a water discharge port, wherein the input port of the condenser 400 is respectively connected with the water vapor output port and the cathode discharge port of the gas-liquid separator 200; the heat recovery unit is at least used for generating power by utilizing waste heat generated in the heat exchange of the condenser 400; the water recovery unit is connected to a water outlet of the condenser 400, and the water recovery unit is at least used for recovering and utilizing water generated during heat exchange of the condenser 400 to compensate the amount of cooling liquid required during reaction of the fuel cell stack 100.
Referring to fig. 1, after the fuel cell stack 100 is reacted, the anode exhaust port discharges hydrogen and water vapor, and the cathode exhaust port discharges oxygen and water vapor. After the discharged hydrogen and steam enter the gas-liquid separator 200, the liquid begins to sink and separate from the gas by using the principle that the gas-liquid specific gravity is different in the fluid diversion process, and the hydrogen gas is discharged due to the density increase. Therefore, the hydrogen gas from the gas-liquid separator 200 is sucked out by the ejector to flow back, and is merged with the supplied hydrogen gas again and then returns to the hydrogen fuel cell air inlet; the water vapor discharged from the gas-liquid separator 200 and the oxygen gas and water vapor discharged from the cathode discharge port are subjected to heat exchange treatment by the condenser 400, so that the water vapor is converted into a liquid and used by the water recovery unit to supply the liquid coolant, and the heat generated by the condensation heat release is used by the heat recovery unit to perform heating or power generation.
According to the fuel cell emission management system of the embodiment of the utility model, the residual hydrogen and the water vapor discharged by the reaction of the fuel cell stack 100 are separated after entering the gas-liquid separator 200, and the separated hydrogen is sucked out and reflows through the hydrogen ejector 300 and is recombined with the hydrogen at the gas inlet of the fuel cell stack 100. The separated water vapor is subjected to heat exchange through the condenser 400 to obtain liquid water, heat generated by the heat exchange is utilized by the heat recovery unit, and the obtained liquid water is utilized by the water recovery unit. By using the gas-liquid separator 200 in combination with the hydrogen gas ejector 300, the residual hydrogen utilization of the fuel cell is further improved, and the hydrogen concentration in the water vapor is reduced. In addition, the heat generated by the condenser 400 and the discharged liquid water are recycled, and compared with the scheme of cathode drainage treatment of the fuel cell in the prior art, the fuel cell emission management system provided by the embodiment of the utility model has the advantages that the functions are richer in resource recycling, the problem of energy waste is further solved, and the energy conservation, emission reduction and low-carbon environmental protection are facilitated.
In some embodiments of the present invention, as shown in fig. 1, the heat recovery unit includes a waste heat power generation device 510, and the waste heat power generation device 510 is used for absorbing heat emitted from the condenser 400 during heat exchange and converting the heat into direct current voltage. Compared with the prior art that heat generated during heat exchange is simply used for heating of a fuel cell vehicle, the waste heat power generation device 510 is additionally arranged, and waste heat is used as a part of power supply source of the fuel cell vehicle, so that the heat recycling application is wider.
In some embodiments of the present invention, as shown in fig. 1, the heat recovery unit further includes a dc boost device, an input end of the dc boost device is electrically connected to the waste heat power generation device 510, and the dc boost device is configured to boost a dc voltage generated by the waste heat power generation device 510 and input the dc voltage to the power battery 530 of the fuel cell vehicle. In a specific embodiment, the dc voltage from the waste heat power generator 510 is actually small, and the low-voltage dc needs to be boosted to a high voltage by the dc boosting device before being used in the fuel cell vehicle. Therefore, by adding the dc boosting device, the low-voltage dc power is boosted to a higher voltage than the power storage battery 530 of the vehicle, thereby charging the power storage battery 530 of the vehicle to raise the charge capacity of the storage battery.
In some embodiments of the utility model, as shown in fig. 1, the water recovery unit comprises: water pump 610, main water tank 620. An input port of the water pump 610 is connected with a water discharge port of the condenser 400, and the water pump 610 is used for driving water generated by the condenser 400; the main water tank 620 has a water inlet and a water outlet, and the water inlet of the main water tank 620 is connected to the outlet of the water pump 610.
Referring to fig. 1, liquid water output from the condenser 400 is transferred to the main water tank 620 by the driving of the water pump 610, thereby serving to replenish the main water tank 620. It should be noted that the main water tank 620 is commonly used in a fuel cell thermal management system, and since the fuel cell stack 100 needs a proper temperature to ensure a proper operation when performing an electrochemical reaction, the fuel cell needs a thermal management system to maintain a proper reaction temperature. The fuel cell thermal management system generally uses a circulating flow of coolant to exchange heat for the fuel cell stack 100, and the main water tank 620 can be used to accommodate the expansion amount of the coolant in the pipeline and also play a role in pressure stabilization and water replenishment of the thermal management system.
In some embodiments of the utility model, as shown in fig. 1, the water recovery unit further comprises: a water replenishing tank 630 and a tail discharge pipe 640. The water replenishing tank 630 is provided with a water inlet, a first water discharging port and a second water discharging port, the water inlet of the water replenishing tank 630 is connected with the output port of the water pump 610, and the first water discharging port of the water replenishing tank 630 is connected with the water inlet of the main water tank 620; the tail drain pipe 640 is connected with a second drain port of the makeup tank 630.
Specifically, the makeup tank 630 may be used to store water, installed at a position higher than the highest position of the main tank 620, and the makeup tank 630 may be connected to the main tank 620 using a hose. When the fuel cell is in operation, the liquid level of the main water tank 620 drops, and the fuel cell main water tank 620 generates gas; when the main water tank 620 generates gas, the gas moves to the highest position, and the gas is discharged from the water replenishing tank 630 to the tail discharge pipe 640 according to the principle of the air pressure difference. Meanwhile, after the gas in the main water tank 620 is discharged, the water level is lowered, and the water in the water replenishing tank 630 flows into the main water tank 620, thereby playing a role of replenishing water.
The water is stored through the water replenishing tank 630, the phenomenon that water generated by the fuel cell is directly discharged out of a vehicle is avoided, the vehicle which is icy on the road in winter is difficult to run, and the main water tank 620 is combined with the main water tank 620 of the fuel cell, so that the main water tank 620 can replenish water automatically when the water amount is less, the heat dissipation performance of a radiator in a fuel cell heat management system is improved, and the water temperature of the fuel cell under the high-power work is reduced.
In some embodiments of the utility model, as shown in fig. 1, the water recovery unit further comprises: a drain valve 650 and a relief valve 660. The drain valve 650 is connected between the water replenishing tank 630 and the tail drain pipe 640; the pressure relief valve 660 is connected between the replenishing tank 630 and the tail drain pipe 640.
In some embodiments, if the volume of refill tank 630 exceeds its threshold, a level sensor located on refill tank 630 will detect that refill tank 630 is out of water and display an alarm in the meter. The drain valve 650 is controlled by a main controller of the fuel cell vehicle, and the drain valve 650 is opened at a set timing according to a set duty ratio, so that the liquid level of the makeup tank 630 is restored to normal. Or can be controlled by a manual drainage switch on the vehicle instrument desk, and the priority of the manual drainage switch is higher than the automatic control of the main controller. The manual drain valve is self-reset, when the manual drain valve is pressed for a long time, the drain valve 650 is normally opened, when the manual drain valve is pressed for a long time, the manual drain valve is reset, and when the manual drain valve is not pressed, the drain valve 650 is closed. The water replenishing tank 630 is provided with a pressure relief valve 660, so that the pressure relief valve 660 can be adjusted to control the exhaust volume of the tail pipe 640.
In some embodiments of the present invention, as shown in fig. 1, the water recovery unit further comprises a one-way valve 670 connected between the water pump 610 and the makeup tank 630. To prevent reverse flow when the water pump 610 is deactivated, a one-way valve 670 is added to allow one-way flow from the water pump 610 to the makeup tank 630.
In some embodiments of the present invention, as shown in fig. 1, the water recovery unit further comprises a heater 680, an input port of the heater 680 is connected to an output port of the water pump 610, and an output port of the heater 680 is connected to an inlet port of the makeup tank 630. To prevent the makeup tank 630 from freezing in the case of a low air temperature, a heater 680 is added. Specifically, for example, when the air temperature is lower than 5 degrees celsius, the heater 680 will be controlled to turn on by the main controller of the fuel cell vehicle.
In some embodiments of the present invention, as shown in fig. 1, the water recovery unit further includes a deionizer 690, one end of the deionizer 690 being connected to the first drain port of the water replenishment tank 630, and the other end of the deionizer 690 being connected to the water inlet port of the main water tank 620. In order to prevent the ion concentration of the water replenishing tank 630 from being too high, a deionizer 690 is added, so that the ion concentration of liquid water is reduced, and the problem of poor insulation of a fuel cell system caused by too high ion concentration is avoided.
In some embodiments of the present invention, as shown in fig. 1, the fuel cell emission management system further includes a humidification unit connected to the water inlet of the main water tank 620, and the humidification unit is configured to atomize and blow out water output from the water replenishment tank 630. Through increasing the humidification unit to improve the humidity of fuel cell car carriage internal environment, prevented that passenger's skin from too dry, and under the condition that produces static easily when contacting in winter, make local static release more easily, effectively remove static puzzlement.
In some embodiments of the present invention, as shown in fig. 1, the humidifying unit includes: three-way valve 710, humidification control valve 720, atomizer 730, blower 740. An input port of the three-way valve 710 is connected with a first water discharge port of the water replenishing tank 630, and an output port is connected with a water inlet port of the main water tank 620; an input port of the humidification control valve 720 is connected with another output port of the three-way valve 710, and the humidification control valve 720 is used for starting or stopping humidification operation; the input port of the atomizer 730 is connected with the output port of the humidification control valve 720; the input port of the blower 740 is connected with the output port of the atomizer 730, and the blower 740 is used for transmitting the humidified vapor to the air conditioner for blowing.
Referring to fig. 1, after a three-way valve 710 is provided between the connection of the makeup tank 630 and the main tank 620, a part of water in the makeup tank 630 may flow to the humidification control valve 720. When the humidity of the compartment of the fuel cell automobile needs to be improved, the main controller of the fuel cell automobile controls the humidification control valve 720 to be opened, so that liquid water flows to the atomizer 730 to be atomized to obtain water vapor, the water vapor enters the air blower 740 and then is blown to the air conditioning air duct 750, and finally the water vapor is blown into the compartment through the air conditioning air duct 750 to complete humidification.
Specifically, as shown in fig. 1, an air inlet of the blower 740 is connected to an air outlet of the condenser 400, so that oxygen or some air generated after the reaction of the fuel cell stack 100 is used as an air source to drive the flow of atomized water vapor, thereby further improving the reuse of resources. The added three-way valve 710 can play a role of flow division, so that the humidification amount can be adjusted by adjusting the opening degree of the three-way valve 710; the humidification control valve 720 may allow the humidification function to be turned on when needed and turned off when not needed.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "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 utility model. In this specification, the schematic representations of the terms used above do not necessarily 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.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A fuel cell emission management system for a fuel cell vehicle, comprising:
a fuel cell stack (100) including an air inlet, an anode exhaust, and a cathode exhaust;
the gas-liquid separator (200) comprises an input port, a hydrogen output port and a water vapor output port, and the input port of the gas-liquid separator (200) is connected with the anode discharge port;
the input port of the hydrogen ejector (300) is connected with the hydrogen output port of the gas-liquid separator (200), and the output port of the hydrogen ejector is connected with the air inlet of the fuel cell stack (100);
the condenser (400) comprises an input port and a water discharge port, and the input port of the condenser (400) is respectively connected with the water vapor output port of the gas-liquid separator (200) and the cathode discharge port;
the heat recovery unit is at least used for generating power by utilizing waste heat generated in the heat exchange of the condenser (400);
and the water recovery unit is connected with a water outlet of the condenser (400), and is at least used for recovering and utilizing water generated in the heat exchange of the condenser (400) to compensate the amount of cooling liquid required in the reaction of the fuel cell stack (100).
2. The fuel cell emissions management system according to claim 1, wherein the heat recovery unit comprises a cogeneration unit (510), the cogeneration unit (510) being configured to absorb heat dissipated by the condenser (400) during heat exchange and convert to dc voltage.
3. The fuel cell emission management system according to claim 2, wherein the heat recovery unit further comprises a dc boost device, an input end of the dc boost device is electrically connected to the waste heat power generation device (510), and the dc boost device is configured to boost the dc voltage generated by the waste heat power generation device (510) and input the boosted dc voltage to a power battery (530) of the fuel cell vehicle.
4. The fuel cell emission management system of claim 1, wherein the water recovery unit comprises:
a water pump (610) having an input port connected to a drain port of the condenser (400), the water pump (610) being configured to drive water generated by the condenser (400);
the main water tank (620) is provided with a water inlet and a water outlet, and the water inlet of the main water tank (620) is connected with the output port of the water pump (610).
5. The fuel cell emission management system of claim 4, wherein the water recovery unit further comprises:
the water replenishing tank (630) is provided with a water inlet, a first water discharging opening and a second water discharging opening, the water inlet of the water replenishing tank (630) is connected with the output opening of the water pump (610), and the first water discharging opening of the water replenishing tank (630) is connected with the water inlet of the main water tank (620);
and the tail discharge pipe (640) is connected with a second water discharge port of the water replenishing tank (630).
6. The fuel cell emission management system of claim 5, wherein the water recovery unit further comprises:
a drain valve (650) connected between the refill tank (630) and the tail drain pipe (640);
and the pressure relief valve (660) is connected between the water replenishing tank (630) and the tail discharge pipe (640).
7. The fuel cell drain management system of claim 5, wherein the water recovery unit further comprises a one-way valve (670) connected between the water pump (610) and the makeup water tank (630).
8. The fuel cell drain management system of claim 5, wherein the water recovery unit further comprises a heater (680), an input of the heater (680) being connected to an output of the water pump (610), an output of the heater (680) being connected to an inlet of the makeup tank (630).
9. The fuel cell discharge management system of claim 5, wherein the water recovery unit further comprises a deionizer (690), one end of the deionizer (690) being connected to a first drain port of the makeup water tank (630), and the other end of the deionizer (690) being connected to a water inlet of the main water tank (620).
10. The fuel cell emission management system according to claim 5, further comprising a humidifying unit connected to a water inlet of the main water tank (620), the humidifying unit being configured to atomize and blow out water output from the makeup water tank (630).
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| CN202122993820.3U CN216818401U (en) | 2021-12-01 | 2021-12-01 | Fuel cell emission management system |
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| CN202122993820.3U CN216818401U (en) | 2021-12-01 | 2021-12-01 | Fuel cell emission management system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115911461A (en) * | 2023-02-16 | 2023-04-04 | 四川能投氢能产业投资有限公司 | Hydrogen fuel cell automobile drainage device and method |
| CN117133944A (en) * | 2023-08-22 | 2023-11-28 | 扬州氢蓝时代新能源科技有限公司 | Tail water distribution system of fuel cell |
-
2021
- 2021-12-01 CN CN202122993820.3U patent/CN216818401U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115911461A (en) * | 2023-02-16 | 2023-04-04 | 四川能投氢能产业投资有限公司 | Hydrogen fuel cell automobile drainage device and method |
| CN115911461B (en) * | 2023-02-16 | 2023-05-05 | 四川能投氢能产业投资有限公司 | Drainage device and method for hydrogen fuel cell automobile |
| CN117133944A (en) * | 2023-08-22 | 2023-11-28 | 扬州氢蓝时代新能源科技有限公司 | Tail water distribution system of fuel cell |
| CN117133944B (en) * | 2023-08-22 | 2024-03-29 | 扬州氢蓝时代新能源科技有限公司 | Tail water distribution system of fuel cell |
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Effective date of registration: 20231120 Address after: Room 201 and 301, No. 3 Sixing Street, Huangge Town, Nansha District, Guangzhou City, Guangdong Province, 510000 Patentee after: Guangdong Shenke Pengwo New Energy Co.,Ltd. Address before: 201306 building 10, No. 860, Xinyang Road, Lingang New District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee before: Shanghai hydrogen Blue New Energy Technology Co.,Ltd. |