CN108796539B - Electrode sealing frame for electrolytic cell - Google Patents
Electrode sealing frame for electrolytic cell Download PDFInfo
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- CN108796539B CN108796539B CN201810981650.7A CN201810981650A CN108796539B CN 108796539 B CN108796539 B CN 108796539B CN 201810981650 A CN201810981650 A CN 201810981650A CN 108796539 B CN108796539 B CN 108796539B
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
- C25B9/23—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/70—Assemblies comprising two or more cells
- C25B9/73—Assemblies comprising two or more cells of the filter-press type
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention provides an electrode sealing frame for an electrolytic tank, which comprises a cathode sealing frame and an anode sealing frame, wherein the cathode sealing frame and the anode sealing frame are respectively provided with a water inlet and a water outlet, the centers of the water inlet and the water outlet are symmetrical, the cathode sealing frame and the anode sealing frame are provided with a plurality of bolt fastening holes, the number of the bolt fastening holes is even, the centers of the bolt fastening holes are symmetrical, and a solid area is arranged between the two bolt fastening holes; the water inlet and the water outlet of the anode sealing frame are respectively provided with a diversion reinforcing rib for avoiding compaction damage; sealing convex strips for reinforcing sealing are arranged on the cathode sealing frame and the anode sealing frame. The invention provides a good channel for the waterway gas circuit, the cathode electrode sealing frame is provided with the gas circuit outlet, the subsequent separation process is reduced, the current density is improved, the energy consumption is reduced, and the hydrogen production efficiency is greatly improved through the internal structural design.
Description
Technical Field
The invention relates to the technical field of hydrogen production by water electrolysis, in particular to an electrode sealing frame for an electrolytic tank.
Background
Hydrogen is used as the most clean and efficient energy source in the 21 st century, so that the hydrogen is the most effective energy source for the pursuit of China and abroad at present, how to efficiently prepare hydrogen is also the key technology for research, and then PEM water electrolysis hydrogen production is the advanced hydrogen production technology at China and abroad at present, the most key component in the PEM water electrolysis hydrogen production technology is an electrolytic tank, and how to optimize the structure of an inner electrode sealing frame of the electrolytic tank, so that a clear pipeline is provided for a waterway gas circuit, and the hydrogen production technology becomes one of the key technologies.
The PEM water electrolysis hydrogen production technology does not form a large-scale commercialized mode in China, so the design of an electrode sealing frame in an electrolytic tank is in fumbling search, the alkaline water electrolysis hydrogen production is popularized in a large scale, the electrode sealing frame is used, the design route of an internal waterway and an air channel is complex, water inlets and water outlets are independently arranged on waterways of a cathode and an anode, corrosive gas and liquid are mixed in outlets of a cathode side, and the anode and the cathode are separated independently.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provide an electrode sealing frame for an electrolytic cell.
The technical scheme adopted for solving the technical problems is as follows:
the electrode sealing frame for the electrolytic tank comprises a cathode sealing frame and an anode sealing frame, wherein the cathode sealing frame and the anode sealing frame are annular, the cathode sealing frame and the anode sealing frame both comprise a water inlet and a water outlet, the water inlet and the water outlet are centrally symmetrical, a plurality of bolt fastening holes are formed in the cathode sealing frame and the anode sealing frame, and the bolt fastening holes are centrally symmetrical; the water inlet and the water outlet of the anode sealing frame are respectively provided with a diversion reinforcing rib for avoiding compaction damage; and sealing elements for reinforcing sealing are arranged on the cathode sealing frame and the anode sealing frame.
Preferably, the number of the bolt fastening holes is an even number.
Preferably, the water outlet and the oxygen outlet adopt the same outlet; the inner sides of the water inlet and the water outlet are arc chamfer angles.
Further, the cathode sealing frame and the anode sealing frame are respectively provided with a hydrogen outlet, and the inner side of the hydrogen outlet is provided with an arc chamfer.
Further, the sealing piece comprises an inner sealing convex strip and a sealing ring, and the inner sealing convex strip on the front side and the back side of the cathode sealing frame, which are close to the inner edge, is arranged around the edge of the hydrogen outlet; sealing rings are arranged at the edges of the water inlets and the water outlets on the front surface and the back surface of the cathode sealing frame; the edges of the hydrogen outlets on the front side and the back side of the anode sealing frame are provided with sealing rings; the water inlet and the water outlet of the anode sealing frame are respectively provided with a diversion reinforcing rib, and the diversion reinforcing ribs are respectively connected with the water inlet and the water outlet and are positioned on the back surface of the anode sealing frame and close to one side of the inner edge of the anode sealing frame.
Further, a gasket is arranged at the inner edge of the cathode sealing frame.
Further, the sealing piece comprises an inner sealing convex strip, an outer sealing convex strip and a sealing ring, wherein the inner sealing convex strip on the front surface of the cathode sealing frame, which is close to the inner edge, is arranged around the edges of the water inlet and the water outlet, and the outer sealing convex strip on the front surface of the cathode sealing frame, which is close to the outer edge, is arranged; an inner sealing convex strip and an outer sealing convex strip are respectively arranged on the back surface of the cathode sealing frame close to the inner edge and the outer edge, a water inlet and a water outlet on the back surface of the cathode sealing frame are positioned between the inner sealing convex strip and the outer sealing convex strip, and sealing rings are respectively arranged on the edges of the water inlet and the water outlet; a plurality of bolt fastening holes and solid holes are formed between the inner sealing raised strips and the outer sealing raised strips on the front surface and the back surface of the cathode sealing frame, the bolt fastening holes and the solid holes are arranged at intervals, and sealing rings are arranged at the edges of the bolt fastening holes and the solid holes; the water inlet and the water outlet of the cathode sealing frame are respectively provided with a diversion reinforcing rib, and the diversion reinforcing ribs are respectively connected with the water inlet and the water outlet and are positioned on the front surface of the cathode sealing frame and close to one side of the inner edge of the cathode sealing frame; the shape and structure of the cathode sealing frame are consistent with those of the anode sealing frame.
Furthermore, the outer edges of the cathode sealing frame and the anode sealing frame are respectively provided with a central symmetrical lug plate, and the centers of the lug plates, the water inlet and the water outlet are positioned on the same straight line.
Further, gaskets are arranged at the inner edges of the anode sealing frame and the cathode sealing frame.
Furthermore, the solid hole is internally provided with a cross-shaped raised line.
The invention provides a good channel for the water path and the gas path, combines the water inlet pipelines of the cathode and the anode into a flow channel, and the cathode electrode sealing frame is provided with the hydrogen gas path outlet, so that the subsequent separation process is reduced, the current density is improved, the energy consumption is reduced, and the hydrogen production efficiency is greatly improved through the internal structural design; under the condition of relatively less hydrogen production requirement, the sealing frame can effectively increase the utilization rate of water resources and save energy.
Drawings
The accompanying drawings are included to provide a further understanding of the invention. In the drawings:
FIG. 1 is a top view of a cathode sealing frame according to an embodiment of the invention.
Fig. 2 is a bottom view of a cathode sealing frame according to an embodiment of the invention.
Fig. 3 is a top view of an anode sealing frame according to an embodiment of the invention.
Fig. 4 is a bottom view of an anode sealing frame according to an embodiment of the present invention.
Fig. 5 is a top view of a bi-cathode sealing frame according to an embodiment of the present invention.
Fig. 6 is a bottom view of a two-cathode sealing frame according to an embodiment of the present invention.
FIG. 7 is a schematic view showing the structure of an electrolytic cell according to an embodiment of the present invention.
FIG. 8 is a schematic view of the structure of a second electrolytic cell according to an embodiment of the present invention.
In the figure: 1. a water inlet; 2. a water outlet; 3. a hydrogen outlet; 4. a diversion reinforcing rib; 5. a seal; 51. an inner sealing convex strip; 52. an outer sealing convex strip; 53. a seal ring; 6. a gasket; 7. a bolt fastening hole; 8. solid area, 9 ear plates.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The electrolytic tank consists of a plurality of electrolytic cells, each electrolytic cell consists of a cathode chamber and an anode chamber, each cathode chamber is formed by sealing the cathode chamber through a pair of electrode sealing frames, each single electrolytic cell protects a membrane electrode inside through the electrode sealing frames, provides a water source for electrolysis for the membrane electrode, provides a channel for gas generated after the electrolysis, and also brings water which is not electrolyzed out for recycling.
The utility model provides an electrode seal frame for electrolysis trough, includes cathode seal frame and positive pole seal frame, cathode seal frame and positive pole seal frame all include water inlet 1, delivery port 2, its characterized in that: the water inlet 1 and the water outlet 2 are centrally symmetrical, so that the theoretical distance reaching the same central symmetry point after being split in the channel is consistent with the theoretical time, the electrolysis efficiency of each point is identical during electrolysis, uneven current density distribution is avoided, membrane electrode damage is avoided, and the service life is shortened. The cathode sealing frame and the anode sealing frame are provided with a plurality of bolt fastening holes 7, the number of the bolt fastening holes 7 is even, and the bolt fastening holes 7 are centrally symmetrical to ensure uniform stress; the water inlet 1 and the water outlet 2 of the anode sealing frame are respectively provided with a diversion reinforcing rib 4, so that water flow and air flow of the inlet and the outlet are more uniform, the inlet and the outlet are protected from being crushed in the compacting process, and the sealing piece is effectively prevented from blocking the channel; and sealing pieces 5 for reinforcing sealing are arranged on the cathode sealing frame and the anode sealing frame, so that the sealing performance of the whole electrolytic tank is greatly enhanced. The water inlet 1 and the water outlet 2 are used interchangeably.
According to the hydrogen yield of a single cell, the number of inlets and outlets can be properly increased, so that the consumption of water and hydrogen production of the electrolysis cell can be met. According to the hydrogen yield of the single tank, when the hydrogen yield of the single tank is not higher than 2Nm 3 And (3) in the process of/h, adopting a circular cathode and anode electrode sealing frame.
Embodiment one:
as shown in fig. 1-4, the cathode sealing frame and the anode sealing frame are annular, and the water outlet 2 and the oxygen outlet adopt the same outlet; the cathode sealing frame and the anode sealing frame are respectively provided with a hydrogen outlet 3; the inner sides of the water inlet 1, the water outlet 2 and the hydrogen outlet 3 are arc chamfer angles, when the electrolytic hydrogen production amount of the electrolytic tank is large, the internal water flow velocity and the gas flow velocity become large, and the arc chamfer angles can prevent turbulence phenomenon from being generated at the inlet and the outlet, so that the channel circulation is smoother. The cathode sealing frame and the anode sealing frame are solid areas except the water inlet 1, the water outlet 2, the hydrogen outlet 3 and the bolt fastening holes 7.
The sealing piece 5 comprises an inner sealing raised line 51 and a sealing ring 53, wherein the inner sealing raised line 51 on the front side and the back side of the cathode sealing frame, which are close to the inner edge, is arranged around the edge of the hydrogen outlet 3; sealing rings 53 are arranged at the edges of the water inlet 1 and the water outlet 2 on the front side and the back side of the cathode sealing frame; the edge of the hydrogen outlet 3 on the front side and the back side of the anode sealing frame is provided with a sealing ring 53; the water inlet 1 and the water outlet 2 of the anode sealing frame are respectively provided with a diversion reinforcing rib 4, the diversion reinforcing ribs 4 are respectively connected with the water inlet 1 and the water outlet 2 and are positioned on the back surface of the anode sealing frame and close to one side of the inner edge of the anode sealing frame, the diversion reinforcing ribs 4 enable water flow and air flow of an inlet and an outlet to be more uniform, the inlet and the outlet are protected from being crushed in the compression process, and the blocking of a channel by a sealing sheet is effectively avoided. The inner edge of the cathode sealing frame is provided with a gasket 6, so that the regions where the gas mixing easily occurs at the outermost sides of the cathode and anode membrane electrodes are effectively isolated, the mixing of hydrogen and oxygen is avoided, and the air tightness is ensured. The seal 5 provides a good airtight circuit for the gasket 6, greatly enhancing the overall cell sealing performance.
As shown in fig. 7, such an electrolytic cell is generally composed of a single electrolytic cell which is arranged in the order of a negative electrode, a sealing gasket, a cathode sealing frame, a filler material, a cathode membrane electrode, a sealing gasket, an anode membrane electrode, a filler material, an anode sealing frame, a sealing gasket, and a positive electrode, and the electrolytic cell is installed in a vertical manner, with the front face of the cathode sealing frame corresponding to the back face of the anode sealing frame.
Water enters the anode sealing frame through the water inlet 1 and reaches the anode electrolysis area, and H is generated after electrolysis + The water combined with oxygen, oxygen and electrolysis cannot permeate the anode membrane electrode and flows out of the electrolytic tank through the water outlet 2, H + Binding water molecules to form H 3 0 + Through the anode membrane electrode, into the cathode sealing frame to reach the cathodeThe electrolysis zone generates hydrogen under the electrolysis of the cathode membrane electrode, and residual small amount of water and hydrogen leave the electrolysis tank through the hydrogen outlet 3.
Embodiment two:
as shown in fig. 5 and 6, the cathode sealing frame and the anode sealing frame are annular, and the water outlet 2 and the oxygen outlet adopt the same outlet; the inner sides of the water inlet 1 and the water outlet 2 are arc chamfer angles, when the electrolytic hydrogen production amount of the electrolytic tank is large, the flow speed of the internal water and the flow speed of the gas are increased, and the arc chamfer angles can prevent turbulence phenomenon from being generated at the inlet and the outlet, so that the channel circulation is smoother.
The sealing piece 5 comprises an inner sealing raised line 51, an outer sealing raised line 52 and a sealing ring 53, wherein the inner sealing raised line 51 on the front surface of the cathode sealing frame, which is close to the inner edge, is arranged around the edges of the water inlet 1 and the water outlet 2, and the outer sealing raised line 52 on the front surface of the cathode sealing frame, which is close to the outer edge, is arranged; an inner sealing raised line 51 and an outer sealing raised line 52 are respectively arranged on the back surface of the cathode sealing frame close to the inner edge and the outer edge, a water inlet 1 and a water outlet 2 on the back surface of the cathode sealing frame are positioned between the inner sealing raised line 51 and the outer sealing raised line 52, and sealing rings 53 are respectively arranged on the edges of the water inlet 1 and the water outlet 2; a plurality of bolt fastening holes 7 and solid holes 8 are arranged between the inner sealing raised strips 51 and the outer sealing raised strips 52 on the front surface and the back surface of the cathode sealing frame, the bolt fastening holes 7 and the solid holes 8 are arranged at intervals, sealing rings 53 are arranged at the edges of the bolt fastening holes 7 and the solid holes 8, the design of the solid holes 8 ensures that the electrode sealing frame has good supporting property, and certain pressure resistance and deformation resistance can be realized, so that the service life of the electrolytic tank is greatly prolonged. The water inlet 1 and the water outlet 2 of the cathode sealing frame are respectively provided with a diversion reinforcing rib 4, and the diversion reinforcing ribs 4 are respectively connected with the water inlet 1 and the water outlet 2 and are positioned on the front surface of the cathode sealing frame and close to one side of the inner edge of the cathode sealing frame; the diversion reinforcing ribs 4 enable water flow and air flow of the inlet and the outlet to be more uniform, protect the inlet and the outlet from being crushed in the compression process, and effectively avoid the sealing piece from blocking the channel. The shape and structure of the cathode sealing frame are consistent with those of the anode sealing frame. The inner edges of the anode sealing frame and the cathode sealing frame are provided with gaskets 6, so that the regions where the gas mixing easily occurs at the outermost sides of the cathode and anode membrane electrodes are effectively isolated, the mixing of hydrogen and oxygen is avoided, and the air tightness is ensured; the seal 5 provides a good airtight circuit for the gasket 6, greatly enhancing the overall cell sealing performance. The cathode sealing frame and the anode sealing frame are solid areas except the water inlet 1, the water outlet 2 and the bolt fastening holes 7, and the solid holes 8 are positioned on the solid areas. The solid hole 8 is internally provided with a cross-shaped raised line for sealing and reinforcing.
The outer edges of the cathode sealing frame and the anode sealing frame are respectively provided with a central symmetry lug plate 9, and the centers of the lug plates 9, the water inlet 1 and the water outlet 2 are positioned on the same straight line, so that the installation and the disassembly of the casting membrane with larger size are convenient, the membrane electrode in the inside is protected from being damaged by transverse force, the scratch is caused, and the using effect of the membrane electrode is influenced.
As shown in fig. 8, such an electrolytic cell is composed of a plurality of single electrolytic cells connected in series, the single electrolytic cells are arranged in the order of a negative electrode, a sealing gasket, a cathode sealing frame, a filling material, a cathode membrane electrode, a sealing gasket, an anode membrane electrode, a filling material, an anode sealing frame, a sealing gasket and an anode electrode, an insulating gasket is added between each single electrolytic cell, and an internal circuit is connected in series by water as a conductor. The whole electrolytic tank is assembled according to a flat layer stacking mode that the anode and the cathode are arranged below each other. The cathode sealing frame and the anode sealing frame are arranged in a mode that the lug plates 9 are mutually perpendicular, the front face of the sealing frame used for the anode faces upwards, and the back face of the sealing frame used for the cathode faces upwards.
Water enters the anode sealing frame through the water inlet 1 of the anode sealing frame and reaches the anode electrolysis area, and H is generated after electrolysis + The water combined with oxygen, oxygen and electrolysis cannot permeate the anode membrane electrode and flows out of the electrolytic tank through the water outlet 2 of the anode sealing frame, H + Binding water molecules to form H 3 0 + Through the anode membrane electrode, enters the cathode sealing frame to reach the cathode electrolysis area, hydrogen is generated under the electrolysis of the cathode membrane electrode, and residual small amount of water and hydrogen leave the electrolytic tank through the hydrogen outlet (namely the water outlet 1 or the water outlet 2) of the cathode sealing frame, and at the moment, the water inlet 1 or the water outlet 2 of the cathode sealing frame can be used as the hydrogen outlet, so that the output hydrogen pressure is keptSo that only one of them is selected as the hydrogen outlet, thus ensuring sufficient hydrogen flow inside and maintaining the internal pressure.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. The utility model provides an electrode seal frame for electrolysis trough, includes cathode seal frame and positive pole seal frame, cathode seal frame and positive pole seal frame are annular, cathode seal frame and positive pole seal frame all include water inlet (1), delivery port (2), its characterized in that: the water inlet (1) and the water outlet (2) are centrally symmetrical, a plurality of bolt fastening holes (7) are formed in the cathode sealing frame and the anode sealing frame, and the bolt fastening holes (7) are centrally symmetrical; a water inlet (1) and a water outlet (2) of the anode sealing frame are respectively provided with a diversion reinforcing rib (4) for avoiding compaction damage; and sealing elements (5) for reinforcing sealing are arranged on the cathode sealing frame and the anode sealing frame.
2. An electrode sealing frame for an electrolytic cell according to claim 1, wherein: the number of the bolt fastening holes (7) is even.
3. An electrode sealing frame for an electrolytic cell according to claim 1, wherein: the water outlet (2) and the oxygen outlet adopt the same outlet; the inner sides of the water inlet (1) and the water outlet (2) are arc chamfer angles.
4. An electrode sealing frame for an electrolytic cell according to claim 3, wherein: and the cathode sealing frame and the anode sealing frame are respectively provided with a hydrogen outlet (3), and the inner side of the hydrogen outlet (3) is provided with an arc chamfer.
5. An electrode sealing frame for an electrolytic cell according to claim 4, wherein: the sealing piece (5) comprises an inner sealing raised line (51) and a sealing ring (53), and the inner sealing raised line (51) of the front side and the back side of the cathode sealing frame, which are close to the inner edge, is arranged around the edge of the hydrogen outlet (3); the edges of a water inlet (1) and a water outlet (2) on the front side and the back side of the cathode sealing frame are provided with sealing rings (53); the edges of the hydrogen outlets (3) on the front side and the back side of the anode sealing frame are provided with sealing rings (53); the water inlet (1) and the water outlet (2) of the anode sealing frame are respectively provided with a diversion reinforcing rib (4), and the diversion reinforcing ribs (4) are respectively connected with the water inlet (1) and the water outlet (2) and are positioned on the back surface of the anode sealing frame and close to one side of the inner edge of the anode sealing frame.
6. An electrode sealing frame for an electrolytic cell according to claim 4 or 5, characterized in that: and a gasket (6) is arranged at the inner edge of the cathode sealing frame.
7. An electrode sealing frame for an electrolytic cell according to claim 4, wherein: the sealing piece (5) comprises an inner sealing raised line (51), an outer sealing raised line (52) and a sealing ring (53), wherein the inner sealing raised line (51) on the front surface of the cathode sealing frame, which is close to the inner edge, is arranged around the edges of the water inlet (1) and the water outlet (2), and the outer sealing raised line (52) on the front surface of the cathode sealing frame, which is close to the outer edge; an inner sealing raised line (51) and an outer sealing raised line (52) are respectively arranged on the back surface of the cathode sealing frame close to the inner edge and the outer edge, a water inlet (1) and a water outlet (2) on the back surface of the cathode sealing frame are positioned between the inner sealing raised line (51) and the outer sealing raised line (52), and sealing rings (53) are respectively arranged on the edges of the water inlet (1) and the water outlet (2); a plurality of bolt fastening holes (7) and solid holes (8) are formed between inner sealing convex strips (51) and outer sealing convex strips (52) on the front surface and the back surface of the cathode sealing frame, the bolt fastening holes (7) and the solid holes (8) are arranged at intervals, and sealing rings (53) are arranged at the edges of the bolt fastening holes (7) and the solid holes (8); the water inlet (1) and the water outlet (2) of the cathode sealing frame are respectively provided with a diversion reinforcing rib (4), and the diversion reinforcing ribs (4) are respectively connected with the water inlet (1) and the water outlet (2) and are positioned on the front surface of the cathode sealing frame and close to one side of the inner edge of the cathode sealing frame; the shape and structure of the cathode sealing frame are consistent with those of the anode sealing frame.
8. An electrode sealing frame for an electrolytic cell according to claim 7, wherein: the outer edges of the cathode sealing frame and the anode sealing frame are respectively provided with a central symmetrical lug plate (9), and the centers of the lug plates (9), the water inlet (1) and the water outlet (2) are positioned on the same straight line.
9. An electrode sealing frame for an electrolytic cell according to claim 7 or 8, wherein: and gaskets (6) are arranged at the inner edges of the anode sealing frame and the cathode sealing frame.
10. An electrode sealing frame for an electrolytic cell according to claim 9, wherein: the solid hole (8) is internally provided with a cross convex strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810981650.7A CN108796539B (en) | 2018-08-27 | 2018-08-27 | Electrode sealing frame for electrolytic cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810981650.7A CN108796539B (en) | 2018-08-27 | 2018-08-27 | Electrode sealing frame for electrolytic cell |
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| CN108796539A CN108796539A (en) | 2018-11-13 |
| CN108796539B true CN108796539B (en) | 2023-07-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN214572271U (en) * | 2020-09-14 | 2021-11-02 | 氢牛科技(东莞)有限公司 | Electrolytic cell press-fitting jig |
| CN113755855A (en) * | 2021-09-09 | 2021-12-07 | 中国船舶重工集团公司第七一八研究所 | Electrolytic cell polar frame and electrolytic cell |
| CN114755282B (en) * | 2022-04-12 | 2024-01-30 | 山东赛克赛斯氢能源有限公司 | Novel membrane electrode test device of pure water electrolysis catalyst |
| CN114990594B (en) * | 2022-07-05 | 2023-07-25 | 山东赛克赛斯氢能源有限公司 | Electrode frame for high-voltage electrolysis and high-voltage electrolysis tank |
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| CN102134726A (en) * | 2011-01-10 | 2011-07-27 | 清华大学 | Flat plate type solid oxide electrolytic cell pile with novel sealed structure |
| CN202430295U (en) * | 2011-12-16 | 2012-09-12 | 上海高企新能源科技有限公司 | Filter-pressing type bipolar electrolytic bath |
| WO2014044749A2 (en) * | 2012-09-20 | 2014-03-27 | Zentrum für Sonnenenergie- und Wasserstoff-Forschung Baden-Württemberg | Electrolysis block and cell frame, electrode assembly and construction kit therefor |
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| CN108796539A (en) | 2018-11-13 |
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