End pole plate convenient for hydrogen production of electrolytic bath

By using a distributed round-head electrode and a multi-layer powder structure design, the problem of uneven alkali diffusion caused by excessive electrode spacing was solved, which improved the efficiency and quality of nitrogen production in the electrolytic cell and extended the service life of the end plates.

CN223705768UActive Publication Date: 2025-12-23JIANGSU QINGSHENG ENERGY TECH CO LTD
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Patent Information

Application Number
CN202423121665.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-12-23
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

The excessively large electrode spacing of the end plates in existing electrolyzers leads to uneven diffusion of the alkaline solution, affecting hydrogen production efficiency and quality.

Method used

It adopts a distributed round-head electrode and a multi-layer powder structure, including titanium alloy powder layer, stainless steel powder layer, nickel-based alloy layer and ceramic powder layer, combined with an external contact plate and unblocking groove design to ensure uniform diffusion of alkali solution and enhance corrosion resistance.

Benefits of technology

It achieves uniform diffusion of alkaline solution, improves hydrogen production efficiency, extends the service life of end plates, and enhances oxidation and corrosion resistance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an end polar plate convenient for hydrogen production of an electrolytic bath, which comprises a plate body, the surface of the plate body is sleeved with an outer frame, the front and back of the outer frame are fixedly connected with first connecting plates, the two sides of the outer frame are fixedly connected with second connecting plates, the two sides of the top of the outer frame are fixedly connected with small plate assemblies, and the small plate assemblies are fixedly connected with the top of the outer frame. The inner side of the small plate assembly is fixedly connected with a chain rod, the surface of the chain rod is sleeved with a round head electrode, the top of the round head electrode is fixedly connected with an outer contact plate, the top of the outer contact plate is fixedly connected with a round plate, the top of the plate body is provided with a dredging groove, and the top of the round plate is fixedly connected with a distribution round head. And the distribution round head is matched with the round plate for use. According to the end pole plate, the phenomenon that the alkali liquor is diffused unevenly due to the fact that the distance between traditional electrodes is large is changed, the distributed round head electrodes are adopted, the alkali liquor is diffused evenly, the hydrogen production efficiency cannot be lowered, and the hydrogen production quality of an electrolytic bath cannot be affected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hydrogen production of electrolytic cell, concretely is an end pole plate convenient for hydrogen production of electrolytic cell uses. BACKGROUND

[0002] According to the patent of Chinese patent network has disclosed, the patent name is: electrolytic cell pole plate and electrolytic cell, patent application number is: 202321198391. 3, including pole plate main body, pole plate main body has opposite first side and second side, and pole plate main body is provided with electrolyte inlet, first electrolyte outlet, second electrolyte outlet and electrolyte flow channel, first side and second side form electrolyte flow channel respectively, electrolyte flow channel includes first communication flow channel and multiple annular flow channels, multiple annular flow channels concentric arrangement and through first communication flow channel intercommunication, first communication flow channel communicates with electrolyte inlet, annular flow channel at first side and annular flow channel at second side communicate with first electrolyte outlet and second electrolyte outlet respectively. Through the above technical scheme, the electrolytic cell pole plate provided by the present disclosure can improve the hydrogen production efficiency of the electrolytic cell, and is easy to install and stable in long-term use. The spacing between the electrodes of the end pole plate described above is large, which causes uneven diffusion of the alkali solution, resulting in low hydrogen production efficiency and affecting the quality of hydrogen production by the electrolytic cell.

[0003] Therefore, the end pole plate needs to be designed and modified to effectively prevent the phenomenon of excessive spacing between the electrodes and inconvenience in hydrogen production. UTILITY MODEL CONTENT

[0004] To solve the problems raised in the above background art, the utility model aims to provide an end pole plate convenient for hydrogen production of electrolytic cell, which has the advantages of reducing the electrode spacing and facilitating hydrogen production, and solves the problem of excessive spacing between the electrodes and inconvenience in hydrogen production.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an end pole plate convenient for hydrogen production of electrolytic cell, comprising a plate body, the surface of the plate body is provided with an outer frame, the front and back surfaces of the outer frame are both fixedly connected with a connecting plate one, the two sides of the outer frame are both fixedly connected with a connecting plate two, the two sides of the top of the outer frame are both fixedly connected with a small plate assembly, the inner side of the small plate assembly is fixedly connected with a chain link, the surface of the chain link is provided with a round head electrode, the top of the round head electrode is fixedly connected with an outer contact plate, the top of the outer contact plate is fixedly connected with a circular plate, and a dredging groove is formed in the top of the plate body.

[0006] As preferred in the utility model, the top of the circular plate is fixedly connected with a distribution round head, which is used in cooperation with the circular plate.

[0007] As the utility model is preferred, the inside of the outer touch plate is provided with a titanium alloy powder layer, and the titanium alloy powder layer is used in cooperation with the outer touch plate.

[0008] As the utility model is preferred, the bottom of the titanium alloy powder layer is provided with a stainless steel powder layer, and the stainless steel powder layer is used in cooperation with the titanium alloy powder layer.

[0009] As the utility model is preferred, the bottom of the stainless steel powder layer is provided with a nickel-based alloy layer, and the nickel-based alloy layer is used in cooperation with the stainless steel powder layer.

[0010] As the utility model is preferred, the bottom of the nickel-based alloy layer is provided with a ceramic powder layer, and the ceramic powder layer is used in cooperation with the nickel-based alloy layer.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] 1、The utility model discloses an end pole changes the phenomenon that the spacing between traditional electrodes is relatively large and makes alkali liquor diffusion uneven, adopts a distributed round head electrode, makes alkali liquor diffusion even, so will not lead to the efficiency of hydrogen production being low, also will not influence the quality of hydrogen production of electrolytic cell.

[0013] 2、The utility model discloses through the setting of distributed round head, can make the outside of the circular plate more fully diffuse alkali liquor, increase the evenness of diffusion.

[0014] 3、The utility model discloses through the setting of titanium alloy powder layer, can make the outer touch plate more have corrosion resistance, increase the anticorrosive effect of outer touch plate.

[0015] 4、The utility model discloses through the setting of stainless steel powder layer, can resist the erosion of various corrosive media, will prolong its service life.

[0016] 5、The utility model discloses through the setting of nickel-based alloy layer, can keep good oxidation resistance, effectively resist oxidation reaction under high temperature and high pressure.

[0017] 6、The utility model discloses through the setting of ceramic powder layer, can effectively resist abrasion and scratch, thereby prolonging the service life of base material. DETAILED DESCRIPTION

[0018] Fig. 1 It is the structure schematic view of the utility model;

[0019] Fig. 2 It is the structure view of the utility model small plate subassembly, chain link and round head electrode;

[0020] Fig. 3 It is the sectional view of the utility model outer touch plate.

[0021] In the figure: 1, plate body; 2, outer frame; 3, connecting plate one; 4, connecting plate two; 5, small plate assembly; 6, chain link; 7, round head electrode; 8, outer touch plate; 9, circular plate; 10, dredging groove; 11, distribution round head; 12, titanium alloy powder layer; 13, stainless steel powder layer; 14, nickel-based alloy layer; 15, ceramic powder layer. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] As Figs. 1 to 3 shown in the utility model provides a kind of end pole convenient to hydrogen production of electrolytic cell uses, including plate body 1, the surface of plate body 1 is equipped with outer frame 2, the front and back of outer frame 2 are both fixedly connected with connecting plate one 3, the two sides of outer frame 2 are both fixedly connected with connecting plate two 4, the two sides of outer frame 2 top are both fixedly connected with small plate assembly 5, the inner side of small plate assembly 5 is fixedly connected with chain link 6, the surface of chain link 6 is equipped with round head electrode 7, the top of round head electrode 7 is fixedly connected with outer touch plate 8, the top of outer touch plate 8 is fixedly connected with circular plate 9, the top of plate body 1 is equipped with dredging groove 10.

[0024] Reference Fig. 1 , the top of circular plate 9 is fixedly connected with distribution round head 11, distribution round head 11 cooperates with circular plate 9 and is used.

[0025] As a kind of technical optimization scheme of the utility model, by the setting of distribution round head 11, the outside of circular plate 9 can be more fully diffused alkali liquor, and the uniformity of diffusion is increased.

[0026] Reference Fig. 3 , the inside of outer touch plate 8 is provided with titanium alloy powder layer 12, titanium alloy powder layer 12 cooperates with outer touch plate 8 and is used.

[0027] As a kind of technical optimization scheme of the utility model, by the setting of titanium alloy powder layer 12, outer touch plate 8 can be more resistant to corrosion, and the corrosion resistance of outer touch plate 8 is increased.

[0028] Reference Fig. 3 , the bottom of titanium alloy powder layer 12 is provided with stainless steel powder layer 13, stainless steel powder layer 13 cooperates with titanium alloy powder layer 12 and is used.

[0029] As a kind of technical optimization scheme of the utility model, by the setting of stainless steel powder layer 13, it can resist the erosion of various corrosive media, and the service life will be prolonged.

[0030] Reference Fig. 3 The bottom of the stainless steel powder layer 13 is provided with a nickel-based alloy layer 14, and the nickel-based alloy layer 14 is used in cooperation with the stainless steel powder layer 13.

[0031] As a technical optimization scheme of the utility model, through the setting of the nickel-based alloy layer 14, good oxidation resistance can be maintained, and the oxidation reaction under high temperature and high pressure can be effectively resisted.

[0032] Reference Fig. 3 The bottom of the nickel-based alloy layer 14 is provided with a ceramic powder layer 15, and the ceramic powder layer 15 is used in cooperation with the nickel-based alloy layer 14.

[0033] As a technical optimization scheme of the utility model, through the setting of the ceramic powder layer 15, wear and scratch can be effectively resisted, thereby prolonging the service life of the base material.

[0034] The working principle and use process of the utility model are as follows: first, the round head electrode 7 is uniformly distributed through the chain rod 6, and the alkali liquor is dispersed through the uniformly distributed round head electrode 7 when flowing, then the dredging effect of the dredging groove 10 is matched, finally the titanium alloy powder layer 12, the stainless steel powder layer 13, the nickel-based alloy layer 14 and the ceramic powder layer 15 inside the outer touch plate 8 are used for corrosion resistance treatment, so that the effect of reducing the electrode spacing to facilitate hydrogen production is achieved.

[0035] In summary: the end plate for hydrogen production of the electrolytic tank changes the phenomenon that the spacing between the traditional electrodes is large and the alkali liquor is not uniformly diffused, distributed round head electrodes 7 are adopted, the alkali liquor is uniformly diffused, the efficiency of hydrogen production is not low, and the quality of hydrogen production of the electrolytic tank is not affected.

[0036] It should be noted that, in this text, relational terms such as first and second and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus including a list of elements does not only include those elements, but also includes other elements not explicitly listed, or inherent to such process, method, article, or apparatus.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A terminal plate for easy use in hydrogen production in an electrolyzer, comprising a plate body (1), characterized in that: The surface of the plate (1) is fitted with an outer frame (2). The front and back of the outer frame (2) are fixedly connected with connecting plate 1 (3). The two sides of the outer frame (2) are fixedly connected with connecting plate 2 (4). The two sides of the top of the outer frame (2) are fixedly connected with small plate assemblies (5). The inner side of the small plate assembly (5) is fixedly connected with a chain rod (6). The surface of the chain rod (6) is fitted with a round-headed electrode (7). The top of the round-headed electrode (7) is fixedly connected with an outer contact plate (8). The top of the outer contact plate (8) is fixedly connected with a circular plate (9). The top of the plate (1) is provided with a drainage groove (10).

2. The end plate for easy use in hydrogen production in an electrolyzer according to claim 1, characterized in that: The top of the circular plate (9) is fixedly connected to a distribution round head (11), which is used in conjunction with the circular plate (9).

3. The end plate for easy use in hydrogen production in an electrolyzer according to claim 1, characterized in that: The outer contact plate (8) is provided with a titanium alloy powder layer (12) inside, and the titanium alloy powder layer (12) is used in conjunction with the outer contact plate (8).

4. The end plate for easy use in hydrogen production in an electrolyzer according to claim 3, characterized in that: A stainless steel powder layer (13) is provided at the bottom of the titanium alloy powder layer (12), and the stainless steel powder layer (13) is used in conjunction with the titanium alloy powder layer (12).

5. The end plate for easy use in hydrogen production in an electrolyzer according to claim 4, characterized in that: A nickel-based alloy layer (14) is provided at the bottom of the stainless steel powder layer (13), and the nickel-based alloy layer (14) is used in conjunction with the stainless steel powder layer (13).

6. The end plate for easy use in hydrogen production in an electrolyzer according to claim 5, characterized in that: A ceramic powder layer (15) is provided at the bottom of the nickel-based alloy layer (14), and the ceramic powder layer (15) is used in conjunction with the nickel-based alloy layer (14).

Citation Information

Patent Citations

  • Electrolytic bath pole plate and electrolytic bath

    CN219637366U