CN220400639U - Water removal expansion water tank of fuel cell - Google Patents
Water removal expansion water tank of fuel cell Download PDFInfo
- Publication number
- CN220400639U CN220400639U CN202322030731.8U CN202322030731U CN220400639U CN 220400639 U CN220400639 U CN 220400639U CN 202322030731 U CN202322030731 U CN 202322030731U CN 220400639 U CN220400639 U CN 220400639U
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- CN
- China
- Prior art keywords
- liquid
- chamber
- proof
- box body
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 239000000446 fuel Substances 0.000 title claims abstract description 44
- 238000009423 ventilation Methods 0.000 claims abstract description 53
- 239000000110 cooling liquid Substances 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 239000002274 desiccant Substances 0.000 claims abstract description 28
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims abstract description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 19
- 239000012528 membrane Substances 0.000 claims description 15
- 239000002826 coolant Substances 0.000 claims description 8
- 230000001502 supplementing effect Effects 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 239000012809 cooling fluid Substances 0.000 claims description 2
- 238000013022 venting Methods 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims 3
- 230000005574 cross-species transmission Effects 0.000 claims 1
- 230000002000 scavenging effect Effects 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- 238000011049 filling Methods 0.000 description 17
- 239000007789 gas Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000003570 air Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 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 utility model provides a water removal expansion water tank of a fuel cell. Mainly comprises a box body, a liquid-proof breathable chamber and a liquid-proof breathable chamber cover. The tank further includes a hollow main tank chamber for containing a cooling liquid. The liquid-separating ventilation chamber is positioned at the upper part of the box body and is separated from the main chamber of the box body by a baffle plate. The partition board is provided with an opening for communicating the liquid-proof air-permeable chamber with the main chamber of the box body. The liquid-isolated ventilation chamber is used for placing a drying agent; the liquid-proof ventilation chamber cover is positioned above the liquid-proof ventilation chamber and is used for isolating the liquid-proof ventilation chamber and the external environment. The liquid-separating and air-permeable chamber contains a drying agent, and the drying agent can effectively adsorb the moisture in the expansion water tank, so that abnormal pressure fluctuation of the medium-temperature fuel cell system caused by mixing the moisture in the cooling liquid is avoided. The liquid-separating ventilation chamber has the function of liquid separation ventilation, separates the drying agent from the cooling liquid, protects the drying agent from being polluted and prevents impurities from being introduced into the cooling liquid, and simultaneously ensures that the drying agent can fully adsorb moisture in the expansion water tank through the liquid-separating ventilation film.
Description
Technical Field
The utility model relates to a dewatering expansion water tank, in particular to a dewatering expansion water tank of a medium-temperature fuel cell, and belongs to the technical field of fuel cells.
Background
In order to ensure safe and stable operation of the fuel cell system, the system temperature needs to be stabilized in a specific range. The operating temperature of the galvanic pile in the medium temperature fuel cell system is between 100 and 300 ℃, so triethylene glycol (triethylene glycol) which has good thermal stability and is nontoxic and noncorrosive is generally adopted as the cooling liquid.
The expansion water tank is used for communicating a cooling liquid circulation loop in the medium-temperature fuel cell system, and simultaneously provides an accommodating space for volume change generated by temperature change in the working process of the cooling liquid. The pressure stabilizing tube positioned on the expansion tank is communicated with the outside atmosphere, so that the internal pressure of the expansion tank is ensured to be stable, and meanwhile, air and cooling liquid can be contacted.
Triethylene glycol has water absorption property, can absorb moisture in air, and can cause the water content in the triethylene glycol to be increased after long-term operation. When the medium temperature fuel cell system works and operates, the temperature of the cooling liquid is increased, and at the moment, water absorbed by triethylene glycol can be mixed in the cooling liquid in a gaseous state, so that the pressure of the thermal management system abnormally fluctuates, and the operation safety of the medium temperature fuel cell system and the service life of the cooling liquid are influenced.
In the prior art, no expansion water tank is used for solving the problem of water absorption of the cooling liquid of the medium-temperature fuel cell.
Disclosure of Invention
The utility model aims at: the expansion tank solves the technical problem that the expansion tank in the prior art cannot absorb water and remove water in the cooling liquid of the medium-temperature fuel cell.
In order to achieve the above object, the present utility model provides a water removal expansion tank for a fuel cell, comprising:
the box body comprises a hollow box body main chamber, and the box body main chamber is used for containing cooling liquid;
the liquid-proof air-permeable chamber is positioned at the upper part of the box body and is separated from the main chamber of the box body by a baffle plate; the partition board is provided with an opening for communicating the liquid-separating ventilation chamber with the main chamber of the box body; the liquid-isolated ventilation chamber is used for placing a drying agent;
the liquid-proof ventilation chamber cover is positioned above the liquid-proof ventilation chamber and is used for isolating the liquid-proof ventilation chamber from the external environment.
In some embodiments, the openings of the separator are covered with a liquid-impermeable, gas-permeable membrane.
In some embodiments, the liquid-impermeable, breathable film is a polytetrafluoroethylene film.
In some embodiments, the liquid-proof air-permeable chamber cover is flush with the top plate of the box, the liquid-proof air-permeable chamber cover is fixedly connected with the top plate by means of a mortise-tenon structure, and the liquid-proof air-permeable chamber cover is configured to: can translate and slide out from one side of the box body.
In some embodiments, the fuel cell water removal expansion tank further comprises a pressure stabilizing tube disposed above the liquid-tight breather chamber cover;
an opening is arranged on the liquid-proof ventilation chamber cover and used for communicating the liquid-proof ventilation chamber and the pressure stabilizing tube;
the pressure stabilizing tube is used for communicating the external environment with the inside of the liquid isolation ventilation chamber so as to keep the internal pressure of the expansion water tank stable.
In some embodiments, the fuel cell water removal expansion tank further comprises:
a liquid adding port which is positioned on the box body and is used for supplementing cooling liquid for the main chamber of the box body;
the liquid feeding lid, it is located the filling opening, is used for isolating inside and external environment of box.
In some embodiments, the filling cap is threadably connected to the filling port.
In some embodiments, a chute is provided on the side of the filling cap.
In some embodiments, the fuel cell water removal expansion tank further includes a spill bleed duct located in an upper portion of the tank side for coolant flooding and venting.
In some embodiments, the fuel cell water removal expansion tank further comprises a make-up line at the bottom of the tank for replenishing the coolant in the expansion tank to the thermal management system.
The utility model has the beneficial effects that:
(1) The inside of the pressure stabilizing tube is provided with a liquid-separating breathable film, so that the pressure stability in the expansion water tank is ensured.
(2) The inside of the expansion water tank is provided with the liquid-separating ventilation chamber for containing the drying agent, and the drying agent can effectively adsorb the moisture in the expansion water tank, so that abnormal pressure fluctuation of the medium-temperature fuel cell system caused by mixing the moisture in the cooling liquid is avoided.
(3) The liquid-separating ventilation chamber has the function of liquid separation ventilation, separates the drying agent from the cooling liquid, protects the drying agent from being polluted and prevents impurities from being introduced into the cooling liquid, and simultaneously ensures that the drying agent can fully adsorb moisture in the expansion water tank through the liquid-separating ventilation film.
Drawings
Fig. 1 is a schematic view showing the external structure of a water-removing expansion tank of a fuel cell according to a preferred embodiment of the present utility model.
Fig. 2 is a schematic diagram showing an internal cross-sectional structure of a water-removing expansion tank of a fuel cell according to a preferred embodiment of the present utility model.
The reference numerals in the above figures are intended to be as follows:
100. box body
110. Main chamber of box body
120. Box top plate
121. Mortises
210. Liquid-isolating ventilation chamber
220. Liquid-proof ventilation chamber cover
221. Tenon head
222. Liquid-proof ventilation chamber cover opening
223. Liquid-proof breathable film
230. Partition board
231. Liquid-proof ventilation chamber opening
232. Liquid-proof breathable film
240. Drying agent
310. Liquid filling port
311. External screw thread
320. Liquid adding cover
321. Anti-skid groove
410. Overflow exhaust pipe
420. Fluid infusion tube
430. Voltage stabilizing tube
Detailed Description
In the description of this patent, the words "comprise" or "have" and the like mean that elements or articles that are "comprising" or "having" a front are intended to cover elements or articles that appear "comprising" or "having" a rear are recited, and equivalents thereof, without excluding other elements or articles.
In the description of this patent, when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present.
In the description of this patent, the terms "front," "rear," "upper," "lower," "left," "right," "horizontal," "transverse," "longitudinal," "top," "bottom," "inner," "outer," "clockwise," "axial," "radial," "circumferential," and the like refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of describing the patent and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the patent.
In order to ensure safe and stable operation of the medium temperature fuel cell system, the system temperature is maintained in a reasonable range. The medium temperature fuel cell system needs to ensure the stability of the pressure of the thermal management system so as to accurately regulate and control the temperature of the system. The water in the cooling liquid mainly comes from the adsorption of moisture in the external atmosphere communicated with the pressure stabilizing tube in the long-term operation process, because the triethylene glycol cooling liquid has strong water absorption. After water is mixed in the cooling liquid, the water is heated to be water vapor in the circulation process of the thermal management system, and the water causes abnormal pressure fluctuation in the thermal management system to influence the temperature regulation and control of the medium-temperature fuel cell system.
According to the utility model, the liquid separation and ventilation chamber is additionally arranged in the expansion water tank, and the dewatering and drying agent is filled, so that the drying agent removes water vapor accumulated in the expansion water tank, and the cooling liquid absorbing water is dewatered.
For a clearer understanding of technical features, objects, and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings.
The overall structure of the water-removing expansion water tank of the medium-temperature fuel cell is shown in figure 1. The expansion tank of the medium temperature fuel cell mainly comprises: the box 100, the liquid filling opening 310, the liquid filling cover 320, the liquid isolation ventilation chamber 210, the liquid isolation ventilation chamber cover 220, the drying agent 240, the liquid supplementing pipe 420, the overflow exhaust pipe 410, the pressure stabilizing pipe 430 and the like.
The expansion tank body is a rectangular parallelepiped-shaped tank body 100 in appearance, and the tank body 100 has a hollow tank main chamber 110 for containing a coolant required for circulation of the medium temperature fuel cell system. An opening is provided in an upper portion of one side of the case 100, where an overflow exhaust pipe 410 is connected for overflow and exhaust of the coolant in the medium temperature fuel cell thermal management system. The bottom of the tank 100 is also provided with an opening where a fluid replenishment pipe 420 is connected for replenishing the cooling fluid of the expansion tank into the thermal management system.
An opening is also provided in the top surface of the tank 100, where a liquid filling port 310 is provided for filling or supplementing the tank main chamber 110 with the cooling liquid. The filling port 310 is sealed by a filling cap 320, and is used for isolating the inside of the main chamber 110 of the case from the external environment. The liquid filling opening 310 is fixedly connected with the liquid filling cover 320 in a threaded mode, an external thread 311 is arranged on the outer side wall of the liquid filling opening 310, and an internal thread is arranged on the inner wall of the liquid filling cover 320. An anti-slip groove 321 is arranged on the outer surface of the liquid adding cover 320, so that the liquid adding cover 320 can be conveniently screwed or unscrewed.
Inside the expansion tank body 100, a liquid-proof and air-permeable chamber 210 is designed, which is covered by a liquid-proof and air-permeable chamber cover 220, and the liquid-proof and air-permeable chamber cover 220 is used for isolating the external environment from the liquid-proof and air-permeable chamber 210. The liquid-tight, gas-permeable chamber cover 220 is flush with the top case panel 120, or, alternatively, the liquid-tight, gas-permeable chamber cover 220 is part of the top case panel 120. The liquid-proof and breathable chamber cover 220 is connected with the rest of the box top plate 120 through a mortise and tenon structure. The other three sides except the edges of the liquid-proof ventilation chamber cover 220 are provided with tenons 221, and correspondingly, the inner side edges of the top plate 120 of the box body are provided with mortises 121. The tenon 221 is slid into the mortise 121 to the bottom, and the liquid-proof and air-permeable chamber cover 220 is tightly fitted to the top plate 120 of the case. To open the liquid-tight chamber cover 220, it is simply reversed and translated out.
A partition 230 is provided between the liquid-proof and air-permeable chamber 210 and the main chamber 110, and a plurality of liquid-proof and air-permeable chamber openings 231 are provided on the wall surfaces of the partition 230 and the liquid-proof and air-permeable chamber 210 for air communication between the main chamber 110 and the air-proof and air-permeable chamber 210, so that the liquid-proof and air-permeable chamber 210 is separated and communicated with the main chamber 110. The liquid-proof ventilation chamber 210 is internally provided with a liquid-proof ventilation film 232 which is distributed on the partition 230 and the wall surface, and the liquid-proof ventilation film 232 covers the liquid-proof ventilation chamber opening 231. The liquid-proof gas-permeable membrane 232 is used for liquid-proof gas permeation, i.e. isolating the cooling liquid from contacting with the inside of the liquid-proof gas-permeable chamber 210, and allowing the vapor evaporated from the cooling liquid to pass through the liquid-proof gas-permeable membrane 232 and enter the liquid-proof gas-permeable chamber 210. Preferably, the liquid-impermeable and breathable film 232 is a polytetrafluoroethylene film.
The regulator tube 430 is disposed above the liquid-tight, gas-permeable chamber cover 220. When the medium temperature fuel cell system is operated, the pressure stabilizing tube 430 is communicated with the outside atmosphere and the inside of the expansion tank, so that the pressure stability in the expansion tank is ensured. The liquid-impermeable and gas-permeable chamber cover 220 has liquid-impermeable and gas-permeable chamber cover openings 222, and these openings are covered by a liquid-impermeable and gas-permeable membrane 223, as shown in fig. 2. The liquid-impermeable gas-permeable membrane 223 is preferably a polytetrafluoroethylene membrane for filtering gases. The liquid-proof ventilation chamber cover opening 222 communicates the pressure stabilizing tube 430 with the inside of the liquid-proof ventilation chamber 210 for stabilizing the expansion tank internal pressure. The liquid-proof gas-permeable membrane 223 is used for isolating liquid water in the external gas communicated with the pressure stabilizing tube 430 and allowing the gas to pass through.
The desiccant 240 is disposed in the vapor-permeable compartment 210, and is used to adsorb gaseous water in the ambient air filtered by the vapor-permeable membrane 223 (near the pressure stabilizing tube 430) and block the source of water vapor entering the coolant. At the same time, the desiccant 240 adsorbs moisture possibly evaporated from the coolant inside the main chamber 110 of the case through the liquid-blocking air-permeable membrane 232 (near the liquid-blocking air-permeable chamber 210). The desiccant 240 is preferably an encapsulated water absorbing agent, such as silica gel. When the medium temperature fuel cell system is operated, the temperature of the cooling liquid can reach more than one hundred ℃, a large amount of water vapor exists in the expansion water tank, the drying agent 240 in the liquid separation ventilation chamber 210 can fully adsorb the water in the expansion water tank through the liquid separation ventilation membrane 232, the water in the cooling liquid is removed, the pressure abnormality of the thermal management system is avoided, the safe and stable operation of the medium temperature fuel cell is ensured, and the replacement frequency of the cooling liquid is greatly reduced.
The application method of the water removal expansion water tank of the fuel cell provided by the embodiment comprises the following steps:
(1) The filling cap 320 is opened and the cooling liquid is filled from the filling port 310 into the main housing 110 of the expansion tank of the medium temperature fuel cell.
(2) Excess coolant and gas from the medium temperature fuel cell thermal management system is vented to the main housing 110 through the overflow vent pipe 410.
(3) When the cooling liquid is lack in the cooling circulation process of the medium-temperature fuel cell thermal management system, the cooling liquid can be supplemented through the liquid supplementing pipe 420.
(4) The desiccant 240 is placed in the liquid-proof and breathable chamber 210, and the desiccant 240 adsorbs moisture in the main chamber 110 through the liquid-proof and breathable film 232 and the liquid-proof and breathable chamber opening 231 attached to the liquid-proof and breathable chamber 210.
(5) When the medium temperature fuel is operated, the internal pressure of the expansion tank body 100 is maintained stable by the pressure stabilizing tube 430, and the liquid water in the external gas is isolated from the liquid water in the external gas by the gas barrier film 223 in the pressure stabilizing tube 430, and only the gas is allowed to enter the expansion tank.
The expansion water tank provided by the utility model has the following technical advantages:
(1) A liquid separation ventilation chamber is additionally arranged in the expansion water tank, and a water removal drying agent is placed in the liquid separation ventilation chamber. The liquid-separating ventilation chamber has a larger contact area with the gas in the expansion tank, and besides the external gas entering the expansion tank through drying, the liquid-separating ventilation chamber has a strong drying capacity on the cooling liquid in the expansion tank, so that the tolerance of the water content of the cooling liquid filled into the system is higher.
(2) The pressure stabilizing tube on the expansion water tank is communicated with the outside atmosphere, so that the internal pressure of the expansion water tank is ensured not to be influenced by the volume change of the cooling liquid in the operation process of the medium-temperature fuel cell system. The liquid-proof ventilation membrane is communicated with the liquid-proof ventilation chamber and the external atmosphere and isolates liquid water in the external atmosphere from entering the liquid-proof ventilation chamber.
(3) The liquid-separating ventilation membrane is used for communicating the inner cavity of the expansion water tank, guaranteeing the internal air pressure of the expansion water tank to be stable, and isolating cooling liquid from entering the liquid-separating ventilation indoor polluted drying agent.
(4) The dewatering and drying agent in the liquid-separating and air-permeable chamber adsorbs and removes the water vapor separated from the cooling liquid in the expansion water tank through the liquid-separating and air-permeable membrane.
(5) The gas water in the external atmosphere entering the expansion tank is adsorbed and removed through the liquid-proof breathable film of the pressure stabilizing tube.
(6) The volume of the liquid-separating and air-permeable chamber can be flexibly designed according to the volume of the cooling liquid to be dried. When the volume of the required drying cooling liquid is large, the volume of the liquid separation ventilation chamber can be properly increased, more drying agents can be contained, the drying agent replacement and maintenance frequency can be reduced under the condition of ensuring the drying of the cooling liquid, and the cooling liquid is wider in application occasions.
The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (10)
1. A water-scavenging expansion tank for a fuel cell, comprising:
the box body comprises a hollow box body main chamber, and the box body main chamber is used for containing cooling liquid;
the liquid-proof air-permeable chamber is positioned at the upper part of the box body and is separated from the main chamber of the box body through a baffle plate; the partition board is provided with an opening for communicating the liquid-proof and permeable chamber with the main chamber of the box body; the liquid-proof ventilation chamber is used for placing a drying agent;
the liquid-proof ventilation chamber cover is positioned above the liquid-proof ventilation chamber and is used for isolating the liquid-proof ventilation chamber from the external environment.
2. A water-scavenging expansion tank for a fuel cell as in claim 1, wherein the openings of the separator are covered with a liquid-impermeable gas-permeable membrane.
3. A water-removing expansion tank for fuel cells according to claim 2, wherein said liquid-impermeable and gas-permeable membrane is a polytetrafluoroethylene film.
4. The water removal expansion tank of claim 1, wherein said liquid-tight gas-permeable chamber cover is flush with a top plate of said tank body, said liquid-tight gas-permeable chamber cover is fixedly secured to said top plate by means of a mortise and tenon structure, said liquid-tight gas-permeable chamber cover is configured to: can translate and slide out from one side of the box body.
5. The water removal expansion tank of a fuel cell of claim 1, further comprising a regulator tube disposed above said liquid-tight permeable chamber cover;
an opening is arranged on the liquid-proof ventilation chamber cover and used for communicating the liquid-proof ventilation chamber and the pressure stabilizing tube;
the pressure stabilizing tube is used for communicating the external environment with the inside of the liquid separation and ventilation chamber so as to keep the pressure inside the expansion water tank stable.
6. The fuel cell water removal expansion tank of claim 1, further comprising:
the liquid adding port is positioned in the box body and is used for supplementing cooling liquid for the main chamber of the box body;
the liquid adding cover is positioned on the liquid adding opening and used for isolating the inside of the box body from the external environment.
7. The water removal expansion tank of claim 6, wherein said filler cap is threadably connected to said filler port.
8. A water scavenging expansion tank for fuel cells as defined in claim 7, wherein an anti-skid groove is provided on the side of said filler cap.
9. A water-scavenging expansion tank for fuel cells as defined in claim 1, further comprising a spill-over vent pipe located in an upper portion of the side of said tank for the purpose of coolant flooding and venting.
10. The water-removing expansion tank of claim 1, further comprising a fluid replenishment pipe at the bottom of said tank for replenishing the cooling fluid in the expansion tank to the thermal management system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322030731.8U CN220400639U (en) | 2023-07-31 | 2023-07-31 | Water removal expansion water tank of fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322030731.8U CN220400639U (en) | 2023-07-31 | 2023-07-31 | Water removal expansion water tank of fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220400639U true CN220400639U (en) | 2024-01-26 |
Family
ID=89607819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322030731.8U Active CN220400639U (en) | 2023-07-31 | 2023-07-31 | Water removal expansion water tank of fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220400639U (en) |
-
2023
- 2023-07-31 CN CN202322030731.8U patent/CN220400639U/en active Active
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