CN220376796U - End plate of water electrolyser - Google Patents
End plate of water electrolyser Download PDFInfo
- Publication number
- CN220376796U CN220376796U CN202320883647.8U CN202320883647U CN220376796U CN 220376796 U CN220376796 U CN 220376796U CN 202320883647 U CN202320883647 U CN 202320883647U CN 220376796 U CN220376796 U CN 220376796U
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- China
- Prior art keywords
- fluid
- plate body
- cathode
- public
- anode
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000012530 fluid Substances 0.000 claims abstract description 185
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 34
- 230000007246 mechanism Effects 0.000 claims description 25
- 230000007306 turnover Effects 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000007787 solid 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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Abstract
The utility model relates to the technical field of water electrolysis, and discloses an end plate of a water electrolysis tank, which comprises a plate body, wherein the end surface of the plate body is provided with at least one cathode fluid public channel and at least one anode fluid public channel, the side surface of the plate body, which is close to the cathode fluid public channel, is provided with at least one cathode fluid access channel, the side surface of the plate body, which is close to the anode fluid public channel, is provided with at least one anode fluid access channel, the anode fluid access channel is communicated with the anode fluid public channel, and the cathode fluid access channel is communicated with the cathode fluid public channel. The cathode fluid inlet and outlet channels and the anode fluid inlet and outlet channels are arranged on the side face of the plate body, so that the end face space of the plate body is released, the sufficient area is ensured, and more space is reserved on the end face to accommodate the assembly of parts such as fastening screw rods, disc springs and the like required by the mounting plate body.
Description
Technical Field
The utility model relates to the technical field of water electrolysis, in particular to an end plate of a water electrolysis tank.
Background
PEM water baths use solid Proton Exchange Membranes (PEM) as electrolytes and pure water as a reactant. Because the hydrogen permeability of the PEM electrolyte is low, the purity of the generated hydrogen is high, only water vapor is needed to be removed, the process is simple, and the safety is high; the electrolytic tank adopts a zero-spacing structure, has lower ohmic resistance, obviously improves the overall efficiency of the electrolytic process, and has more compact volume; the pressure regulation and control range is large, the output pressure of hydrogen can reach several megapascals, and the device can adapt to the rapidly-changing renewable energy power input. The electrolytic tank is formed by a plurality of plate bodies, the plate bodies are connected together in a lifting mode and the like, a containing hole of a limiting rod, a containing hole of a fastening screw rod, a lifting hole and the like are needed to be formed in the end face of the plate body, the end plate is also needed to be provided with an inlet and an outlet of cathode fluid and anode fluid in the end face, the holes are concentrated in the end face of the end plate, the end face space of the end plate is insufficient, all the holes are difficult to contain, the setting of the holes is easy to be influenced, and the arrangement of parts and the lifting difficulty are further influenced.
Disclosure of Invention
The purpose of the utility model is that: the end plate of the water electrolysis tank is provided, the cathode fluid inlet and outlet channel and the anode fluid inlet and outlet channel are arranged on the side face of the plate body, which is favorable for freeing the end face space of the plate body, ensuring sufficient area and enabling the end face to have more space for accommodating the assembly of parts such as fastening screw rods, disc springs and the like required by the mounting plate body.
In order to achieve the above object, the present utility model provides an end plate of a water electrolysis cell, comprising: the plate body, at least one negative pole fluid public passageway and at least one positive pole fluid public passageway have been seted up on the terminal surface of plate body, the plate body is close to the side of negative pole fluid public passageway has been seted up at least one negative pole fluid business turn over passageway, the plate body is close to the side of positive pole fluid public passageway has been seted up at least one positive pole fluid business turn over passageway, positive pole fluid business turn over passageway intercommunication positive pole fluid public passageway, negative pole fluid business turn over passageway intercommunication negative pole fluid public passageway.
Compared with the prior art, the end plate of the water electrolytic tank has the beneficial effects that: the end face on the plate body is provided with a plurality of cathode fluid public channels and anode fluid public channels, the side face on the plate body is provided with a cathode fluid inlet and outlet channel and an anode fluid inlet and outlet channel which are communicated with the cathode fluid public channels and the anode fluid public channels, and fluid enters or flows out of the cathode fluid public channels and the anode fluid public channels through the cathode fluid inlet and outlet channel and the anode fluid inlet and outlet channel for subsequent reaction or discharge of the end plate. The cathode fluid inlet and outlet channels and the anode fluid inlet and outlet channels are arranged on the side face of the plate body, so that the end face space of the plate body is released, the sufficient area is ensured, and more space is reserved on the end face to accommodate the assembly of parts such as fastening screw rods, disc springs and the like required by the mounting plate body.
According to the end plate of the water electrolysis tank, the cathode fluid common channel and the anode fluid common channel are mutually perpendicular.
According to the end plate of the water electrolyzer, two cathode fluid public channels are arranged on the plate body, are arranged in parallel and are respectively close to two opposite side surfaces of the plate body.
According to the end plate of the water electrolyzer, two anode fluid public channels are arranged on the plate body, are arranged in parallel and are respectively close to two opposite side surfaces of the plate body.
According to the end plate of the water electrolysis tank, the end face of the plate body is provided with the cathode sealing mechanism arranging groove close to the edge of the cathode fluid public channel, and the edge of the plate body close to the anode fluid public channel is provided with the anode sealing mechanism arranging groove.
According to the end plate of the water electrolytic tank, provided by the embodiment of the utility model, the side surface of the plate body is provided with the side surface sealing structure mounting groove close to the edges of the cathode fluid inlet and outlet channels and the anode fluid inlet and outlet channels.
According to the end plate of the water electrolytic tank, at least two limit rod through holes are formed in the end face of the plate body.
The end plate of the water electrolytic tank provided by the embodiment of the utility model is characterized in that the end surface of the plate body is provided with at least four fastening screw through holes.
The end plate of the water electrolysis tank is provided with at least two hoisting holes on the end surface of the plate body.
The end plate of the water electrolysis tank is provided with screw holes between adjacent cathode fluid inlet and outlet channels, and the screw holes are used for fixing an external pipeline and the cathode fluid inlet and outlet channels; screw holes are also arranged between the adjacent anode fluid inlet and outlet passages and used for fixing an external pipeline and the anode fluid inlet and outlet passages.
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
FIG. 1 is a bottom view of an end plate of a water electrolysis cell of an embodiment of the utility model;
FIG. 2 is an axial view of an end plate of a water electrolysis cell of an embodiment of the utility model;
FIG. 3 is a side view of an end plate of a water electrolysis cell of an embodiment of the utility model;
fig. 4 is a schematic cross-sectional view at A-A in fig. 3.
100, a plate body; 1. a stop lever through hole; 2. a fastening screw through hole; 3. a first lifting hole; 4. a cathode fluid common channel; 41. a first cathode fluid common channel; 42. a second cathode fluid common channel; 5. a cathode sealing mechanism mounting groove; 51. a first cathode sealing mechanism mounting groove; 52. a second cathode sealing mechanism mounting groove; 6. cathode fluid inlet and outlet channels; 61. a first cathode fluid inlet and outlet passage; 62. a second cathode fluid inlet and outlet passage; 7. an anode fluid common channel; 71. a first anode fluid common channel; 72. a second anode fluid common channel; 8. an anode sealing mechanism mounting groove; 81. a first anode sealing mechanism seating groove; 82. a second anode sealing mechanism mounting groove; 9. anode fluid inlet and outlet channels; 91. a first anode fluid inlet and outlet passage; 92. a second anode fluid inlet and outlet passage; 10. screw holes; 12. the side seal structure is provided with a groove.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed 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 utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
As shown in fig. 1 to 4, an end plate of a water electrolysis tank according to a preferred embodiment of the present utility model includes a plate body 100, at least one cathode fluid common channel 4 and at least two anode fluid common channels are provided on an end surface of the plate body 100, and the number of the cathode fluid common channels 4 and the number of the anode fluid common channels 7 are not specifically limited herein, in order to be specific.
At least one cathode fluid inlet and outlet channel 6 is formed in the side surface, close to the cathode fluid common channel 4, of the plate body 100, at least one anode fluid inlet and outlet channel 9 is formed in the side surface, close to the anode fluid common channel 7, of the plate body 100, and the anode fluid inlet and outlet channel 9 is communicated with the anode fluid common channel 7 and is used for inlet and outlet of anode fluid; the cathode fluid inlet and outlet passage 6 communicates with the cathode fluid common passage 4 for the inlet and outlet of the cathode fluid. Further, a plurality of cathode fluid public channels 4 and anode fluid public channels 7 are formed on the end face of the plate body 100, and a cathode fluid inlet and outlet channel 6 and an anode fluid inlet and outlet channel 9 which are communicated with the cathode fluid public channels 4 and the anode fluid public channels 7 are formed on the side face of the plate body 100, so that fluid enters or exits the cathode fluid public channels 4 and the anode fluid public channels 7 through the cathode fluid inlet and outlet channel 6 and the anode fluid inlet and outlet channel 9 for subsequent reaction or discharging out of the electrolytic tank. The cathode fluid inlet and outlet channel 6 and the anode fluid inlet and outlet channel 9 are arranged on the side surface of the plate body 100, which is beneficial to freeing the end surface space of the plate body 100, ensuring sufficient area and enabling more space to be provided on the end surface to accommodate the assembly of parts such as fastening screw rods, disc springs and the like required by the mounting plate body 100.
In some embodiments of the present utility model, the cathode fluid common channel 4 and the anode fluid common channel 7 are disposed perpendicular to each other, the cathode fluid common channel 4 and the anode fluid common channel 7 disposed perpendicular to each other do not affect each other, and space of the end face can be saved for laying out the remaining hole sites.
In some embodiments of the present utility model, two cathode fluid common channels 4 are provided on the plate body 100, the cathode fluid common channels 4 including a first cathode fluid common channel 41 and a second cathode fluid common channel 42, and the cathode fluid inlet and outlet channel 6 also includes a first cathode fluid inlet and outlet channel 61 and a second cathode fluid inlet and outlet channel 62, the first cathode fluid inlet and outlet channel 61 being connected to the first cathode fluid common channel 41, and the second cathode fluid inlet and outlet channel 62 being connected to the second cathode fluid common channel 42.
The two cathode fluid common channels 4 are arranged in parallel and are respectively close to two opposite side surfaces of the plate body 100, a space in the middle of the end surfaces is reserved for arranging other parts, the cathode fluid common channels 4 are arranged close to the side surfaces to be closer to the cathode fluid inlet and outlet channels 6, the length of the cathode fluid common channels 4 is reduced, and the production cost of the end plate is reduced. Specifically, according to various cell operation methods, when the cell is operating normally, one of the first cathode fluid common passage 41 and the second cathode fluid common passage 42 may be closed, and the product hydrogen gas and water flow out of the cell from the non-closed cathode fluid common passage 4; it is also possible that water flows into the cell from one of the first and second cathode fluid common channels 41, 42 and that product hydrogen and water flow out of the cell from the other cathode fluid common channel 4. When purging the cell, fluid may flow from one of the first and second cathode fluid common channels 41, 42, and fluid may flow from the unsealed cathode fluid common channel 4 out of the cell.
In some embodiments of the present utility model, two anode fluid common channels 7 are provided on the plate body 100, the anode fluid common channels 7 including a first anode fluid common channel 71 and a second anode fluid common channel 72, the anode fluid inlet and outlet channel 9 also including a first anode fluid inlet and outlet channel 91 and a second anode fluid inlet and outlet channel 92, the first anode fluid inlet and outlet channel 91 being connected to the first anode fluid common channel 71, the second anode fluid inlet and outlet channel 92 being connected to the second anode fluid common channel 722; the two anode fluid common channels 7 are arranged in parallel and are respectively close to two opposite side surfaces of the plate body 100, a space in the middle of the end surfaces is reserved for arranging other parts, the side surfaces are arranged close to the side surfaces, so that the anode fluid common channels 7 are closer to the anode fluid inlet and outlet channels 9, the length of the anode fluid common channels 7 is reduced, and the production cost of the end plate is reduced. Specifically, one of the first anode fluid common passage 71 and the second anode fluid common passage 72 may be a common passage through which anode fluid enters the electrolytic cell, and one of which exits the electrolytic cell as anode fluid, depending on actual use requirements.
In some embodiments of the present utility model, the end face of the plate body 100 is provided with a cathode sealing mechanism seating groove 5 near the edge of the cathode fluid common channel 4, and the cathode sealing mechanism seating groove 5 includes a first cathode sealing mechanism seating groove 51 near the first cathode fluid common channel 41 and a second cathode sealing mechanism seating groove 52 near the second cathode fluid common channel 42; the cathode sealing mechanism mounting groove 5 can be used for mounting a sealing mechanism for sealing the cathode fluid public channel 4, and the sealing mechanism comprises a sealing cover and the like; the cathode sealing mechanism mounting groove 5 is arranged around the cathode fluid public channel 4, so that the sealing mechanism can completely seal the cathode fluid public channel 4, and the sealing performance of the end plate is ensured; the edge of the plate body 100, which is close to the anode fluid common channel 7, is provided with an anode sealing mechanism mounting groove 8, and the anode sealing mechanism mounting groove 8 comprises a first anode sealing mechanism mounting groove 81, which is close to the first anode fluid common channel 71, and a second anode sealing mechanism mounting groove 82, which is close to the second anode fluid common channel 72; the anode sealing mechanism mounting groove 8 may be used to mount a sealing mechanism that closes the anode fluid common passage 7.
In some embodiments of the present utility model, the side of the plate body 100 is provided with a side sealing structure mounting groove 12 near the edges of the cathode fluid inlet and outlet channel 6 and the anode fluid inlet and outlet channel 9, for sealing between the end plate and the external pipeline connected with the cathode fluid inlet and outlet channel 6 and the anode fluid inlet and outlet channel 9, and the side sealing structure mounting groove 12 is arranged around the cathode fluid inlet and outlet channel 6 and the anode fluid inlet and outlet channel 9, and can be used for installing sealing rings and other components, so as to facilitate improving the tightness of the cathode fluid inlet and outlet channel 6 and the anode fluid inlet and outlet channel 9.
In some embodiments of the present utility model, at least two through holes 1 for limiting rods are formed on the end surface of the plate body 100, and the limiting rods are used for improving the uniformity of parts of the electrolytic tank when the electrolytic tank is assembled. The end surface of the end plate can be provided with a plurality of limit rod through holes 1.
In some embodiments of the present utility model, at least four fastening screw penetration holes 2 are formed on the end surface of the plate body 100, through which fastening screws for an electrolytic cell penetrate. The number of the fastening screw through holes 2 on the end plate is adjusted according to different sizes of the electrolytic tank.
In some embodiments of the present utility model, at least two lifting holes 3 are formed on the plate body 100, and the lifting holes 3 do not penetrate through the end plate, and can be used for screwing lifting screws, so that the movement, assembly and disassembly of the electrolytic cell are convenient; specifically, the lifting hole 3 may be located at a side or end surface of the plate body 100, and its functions are the same, which is not particularly limited herein. Further, at least two hoisting holes 3 are formed in four side faces of the end plate.
In some embodiments of the present utility model, screw holes 10 are provided between adjacent cathode fluid inlet and outlet passages 6 for fixing an external pipe and the cathode fluid inlet and outlet passages 6; screw holes 10 are also provided between adjacent anode fluid inlet and outlet channels 9 for securing external piping and anode fluid inlet and outlet channels 9.
In summary, the embodiment of the utility model provides an end plate of a water electrolysis tank, wherein a cathode fluid inlet and outlet channel 6 and an anode fluid inlet and outlet channel 9 are arranged on the side surface of a plate body 100, which is beneficial to freeing the end surface space of the plate body 100, ensuring sufficient area and enabling more space to be provided on the end surface to accommodate the assembly of parts such as fastening screws, disc springs and the like required by the mounting plate body 100.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (10)
1. An end plate for a water electrolysis cell, comprising: the plate body, at least one negative pole fluid public passageway and at least one positive pole fluid public passageway have been seted up on the terminal surface of plate body, the plate body is close to the side of negative pole fluid public passageway has been seted up at least one negative pole fluid business turn over passageway, the plate body is close to the side of positive pole fluid public passageway has been seted up at least one positive pole fluid business turn over passageway, positive pole fluid business turn over passageway intercommunication positive pole fluid public passageway, negative pole fluid business turn over passageway intercommunication negative pole fluid public passageway.
2. An end plate for a water electrolysis cell according to claim 1, wherein: the cathode fluid common channel and the anode fluid common channel are disposed perpendicular to each other.
3. An end plate for a water electrolysis cell according to claim 2, wherein: the plate body is provided with two cathode fluid public channels, and the two cathode fluid public channels are arranged in parallel and are respectively close to two opposite side surfaces of the plate body.
4. An end plate for a water electrolysis cell according to claim 2, wherein: the plate body is provided with two anode fluid public channels, and the two anode fluid public channels are arranged in parallel and are respectively close to two opposite side surfaces of the plate body.
5. An end plate for a water electrolysis cell according to claim 1, wherein: the end face of the plate body is provided with a cathode sealing mechanism mounting groove near the edge of the cathode fluid public channel, and the plate body is provided with an anode sealing mechanism mounting groove near the edge of the anode fluid public channel.
6. An end plate for a water electrolysis cell according to claim 1, wherein: the side face of the plate body is provided with a side face sealing structure mounting groove close to the edges of the cathode fluid inlet and outlet channels and the anode fluid inlet and outlet channels.
7. An end plate for a water electrolysis cell according to claim 1, wherein: at least two limit rod through holes are formed in the end face of the plate body.
8. An end plate for a water electrolysis cell according to claim 1, wherein: at least four fastening screw through holes are formed in the end face of the plate body.
9. An end plate for a water electrolysis cell according to claim 1, wherein: at least two lifting holes are formed in the end face of the plate body.
10. An end plate for a water electrolysis cell according to claim 1, wherein: screw holes are formed between adjacent cathode fluid inlet and outlet channels and used for fixing an external pipeline and the cathode fluid inlet and outlet channels; screw holes are also arranged between the adjacent anode fluid inlet and outlet passages and used for fixing an external pipeline and the anode fluid inlet and outlet passages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320883647.8U CN220376796U (en) | 2023-04-17 | 2023-04-17 | End plate of water electrolyser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320883647.8U CN220376796U (en) | 2023-04-17 | 2023-04-17 | End plate of water electrolyser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220376796U true CN220376796U (en) | 2024-01-23 |
Family
ID=89560362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320883647.8U Active CN220376796U (en) | 2023-04-17 | 2023-04-17 | End plate of water electrolyser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220376796U (en) |
-
2023
- 2023-04-17 CN CN202320883647.8U patent/CN220376796U/en active Active
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