阅读说明：本技术 一种可实现快速装配和扩展的电解槽单元结构及电解槽 (Electrolytic cell unit structure capable of realizing rapid assembly and expansion and electrolytic cell ) 是由 张畅 王金意 余智勇 任志博 王鹏杰 徐显明 张欢 于 2021-09-30 设计创作，主要内容包括：本申请提出一种可实现快速装配和扩展的电解槽单元结构及电解槽,包括相互连接的第一边框和第二边框,所述第一边框和所述第二边框围合形成有容纳空间,还包括设置于所述容纳空间内的导电组件,所述第一边框和所述第二边框的背侧面均设置有外联结构以对所述电解槽单元进行拓展,包括第一边框和第二边框以及设置于第一边框和第二边框之间的导电组件,槽体结构简单,便于加工装配,第一边框和第二边框的背侧面均设置外联结构实现对电解槽单元机构的拓展,从而可以根据负荷需求灵活调节电解槽的长度,连接稳固。(The application provides an electrolysis trough unit structure and electrolysis trough that can realize rapid Assembly and extension, first frame and second frame including interconnect, first frame with the second frame encloses to close to be formed with accommodation space, still including set up in conductive component in the accommodation space, first frame with the dorsal surface of second frame all is provided with outer antithetical couplet structure in order right the electrolysis trough unit extends, including first frame and second frame and set up the conductive component between first frame and second frame, cell body simple structure, the processing assembly of being convenient for, the dorsal surface of first frame and second frame all sets up outer antithetical couplet structure and realizes the extension to electrolysis trough unit mechanism to can be according to the nimble length of adjusting the electrolysis trough of load demand, connect firmly.)

1. The utility model provides a can realize rapid Assembly and electrolysis trough unit structure of extension which characterized in that, includes interconnect's first frame and second frame, first frame with the second frame encloses to close and is formed with accommodation space, still including set up in electrically conductive component in the accommodation space, the first frame with the dorsal surface of second frame all is provided with outer antithetical couplet structure in order right the electrolysis trough unit expands.

2. The quick-assembly and expandable cell unit structure of claim 1, wherein said external connection structure comprises an external connection assembly and/or an external connection assembly hole.

3. The rapid assembly and expansion enabled electrolytic cell unit structure of claim 1, wherein the inner side surface of the first frame is provided with a first groove, the inner side surface of the second frame is provided with a second groove, and the first groove and the second groove enclose to form the accommodating space.

4. The electrolyzer unit structure capable of realizing rapid assembly and expansion as claimed in claim 3 wherein the inner side surface of the first frame on the outer peripheral side of the first groove is provided with an inline assembly hole, the inner side surface of the second frame on the outer peripheral side of the second groove is provided with an inline assembly, and the inline assembly hole are in plug-in fit.

5. The electrolyzer unit structure capable of realizing rapid assembly and expansion as claimed in claim 4 wherein the inner side surface of the first frame located outside the inline assembly holes is provided with an annular groove, and the inner side surface of the second frame located outside the inline assembly is provided with an annular protrusion embedded in the annular groove.

6. The quick-fit and expandable electrolyzer unit structure of claim 1 wherein the conductive assembly comprises a cathode plate, an anode plate and a separator disposed between the cathode plate and the anode plate.

7. The quick-assembly and expandable electrolyzer unit structure of claim 6 characterized in that gaskets are provided between the cathode plates and the separators and/or between the anode plates and the separators.

8. The rapid assembly and expansion achievable cell unit structure of claim 1, further comprising a first reinforcement member provided on an outer peripheral side of the first frame and a second reinforcement member provided on an outer peripheral side of the second frame, a back side of the first reinforcement member being disposed flush with a back side of the first frame, and a back side of the second reinforcement member being disposed flush with a back side of the second frame.

9. An electrolysis cell comprising at least one set of rapidly assembled and expandable cell unit structures according to any one of claims 1 to 8, wherein the external bracing structures of adjacent cell unit structures are interconnected to effect expansion of the cell unit.

10. The electrolytic cell according to claim 9, further comprising a first outer frame and a second outer frame of the cell unit structure provided at the front and rear ends of the electrolytic cell, respectively.

Technical Field

The application relates to the technical field of electrolytic cells, in particular to an electrolytic cell unit structure capable of realizing rapid assembly and expansion and an electrolytic cell.

Background

In the electrolytic hydrogen production process, electrolysis is performed using an electrolytic cell in which a plurality of electrolytic cells each including an anode and a cathode are arranged with an ion exchange membrane (proton exchange membrane or alkaline ion exchange membrane) interposed therebetween. The electrolytic cell has a cathode chamber equipped with a cathode and an anode chamber equipped with an anode, and in the electrolytic cell, the electrolytic solution is pure water (proton exchange membrane electrolytic cell) or a 20% -30% aqueous solution of an alkaline hydroxide (alkaline ion exchange membrane electrolytic cell), and oxygen is generated in the anode chamber and hydrogen is generated in the cathode chamber by electrolysis. In the face of the demand for large-scale and flexible load adjustment, the length of the electrolytic cell needs to be increased. The current electrolytic cell is fixed by fastening bolts, and is limited by the strength of the fastening bolts, so that the capacity of the electrolytic cell is limited to be expanded.

Disclosure of Invention

The present application is directed to solving, at least to some extent, one of the technical problems in the related art.

Therefore, the purpose of the application is to provide an electrolytic cell unit structure capable of realizing rapid assembly and expansion, the electrolytic cell unit structure comprises a first frame, a second frame and a conductive assembly arranged between the first frame and the second frame, the structure of the electrolytic cell body is simple, the processing and the assembly are convenient, the back side surfaces of the first frame and the second frame are provided with an external connection structure to realize the expansion of the electrolytic cell unit structure, the length of an electrolytic cell can be flexibly adjusted according to load requirements, and the connection is stable.

In order to achieve the purpose, the application provides an electrolysis trough unit structure that can realize rapid Assembly and extension, including interconnect's first frame and second frame, first frame with the second frame encloses to close and is formed with accommodation space, still including set up in conductive component in the accommodation space, first frame with the dorsal surface of second frame all is provided with the outer structure of ally oneself with in order right the electrolysis trough unit expands.

Further, the external connection structure comprises an external connection assembly body and/or an external connection assembly hole.

Furthermore, the inner side surface of the first frame is provided with a first groove, the inner side surface of the second frame is provided with a second groove, and the first groove and the second groove are enclosed to form the accommodating space.

Furthermore, the inner side surface of the first frame is located on the outer periphery of the first groove and is provided with an inline assembly hole, the inner side surface of the second frame is located on the outer periphery of the second groove and is provided with an inline assembly body, and the inline assembly body is in plug-in fit with the inline assembly hole.

Furthermore, the inner side surface of the first frame is located on the outer side of the inline assembly hole, an annular groove is formed in the outer side of the inline assembly, the inner side surface of the second frame is located on the outer side of the inline assembly body, and an annular bulge is embedded in the annular groove.

Further, the conductive assembly includes a cathode plate, an anode plate, and a separator disposed between the cathode plate and the anode plate.

Further, a gasket is disposed between the cathode plate and the separator and/or between the anode plate and the separator.

The frame further comprises a first reinforcing piece arranged on the outer periphery side of the first frame and a second reinforcing piece arranged on the outer periphery side of the second frame, wherein the back side of the first reinforcing piece is flush with the back side of the first frame, and the back side of the second reinforcing piece is flush with the back side of the second frame.

An electrolytic cell comprising at least one set of the above rapidly assembled and expanded cell unit structures, wherein the external linking structures of adjacent cell unit structures are connected to each other to achieve expansion of the cell unit.

Further, the electrolytic cell comprises a first outer frame and a second outer frame which are respectively arranged at the front end and the rear end of the electrolytic cell and are of electrolytic cell unit structures.

Additional aspects and advantages of the present application 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 present application.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of a cell unit structure capable of achieving rapid assembly and expansion according to an embodiment of the present application;

FIG. 2 is a first schematic structural view of a first side frame of an electrolyzer unit structure capable of realizing rapid assembly and expansion according to another embodiment of the present application;

FIG. 3 is a second schematic structural view of a first side frame of an electrolyzer unit structure capable of realizing rapid assembly and expansion according to another embodiment of the present application;

FIG. 4 is a schematic view showing the structure of a second frame of an electrolyzer unit structure capable of realizing rapid assembly and expansion according to another embodiment of the present application;

FIG. 5 is a second schematic structural view of a second frame of an electrolyzer unit structure capable of realizing rapid assembly and expansion according to another embodiment of the present application;

FIG. 6 is a third schematic structural view of the first side frame of the cell unit structure capable of realizing rapid assembly and expansion according to another embodiment of the present application;

FIG. 7 is a fourth schematic structural view of the first side frame of the cell unit structure capable of realizing rapid assembly and expansion according to another embodiment of the present application;

FIG. 8 is a third schematic structural view of a second side frame of an electrolyzer unit structure capable of realizing rapid assembly and expansion according to another embodiment of the present application;

FIG. 9 is a fourth schematic structural view of a second side frame of an electrolyzer unit structure capable of realizing rapid assembly and expansion according to another embodiment of the present application;

FIG. 10 is a schematic structural view of a first outer frame of an electrolyzer unit structure capable of realizing rapid assembly and expansion according to another embodiment of the present application;

FIG. 11 is a schematic structural view of a second outer frame of an electrolyzer unit structure capable of realizing rapid assembly and expansion, which is proposed in another embodiment of the present application.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. On the contrary, the embodiments of the application include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

FIG. 1 is a schematic structural view of a cell unit structure capable of achieving rapid assembly and expansion according to an embodiment of the present application.

Referring to fig. 1 to 11, an electrolytic cell unit structure capable of realizing rapid assembly and expansion includes a first frame 1 and a second frame 2 connected to each other, the first frame 1 and the second frame 2 enclose and form a containing space, and further includes a conductive component 3 disposed in the containing space, and the back sides of the first frame 1 and the second frame 2 are both provided with an external connection structure to expand the electrolytic cell unit. In this embodiment, the first frame 1 and the second frame 2 are made of engineering plastics with certain strength and electrolyte corrosion resistance, including but not limited to polyamide, polycarbonate, polyoxymethylene, polyphenylene oxide, polyphenylene ether, polyether ketone, and fluororesin. The electrolytic cell units are expanded through the external connection structure, the assembly is convenient, the number of the unit structures can be adjusted according to needs, different electrolytic cell lengths are realized, and different hydrogen production amounts are conveniently realized.

The external connection structure comprises an external connection assembly body 121 and/or an external connection assembly hole 221. Specifically, in this embodiment, the back side surface of the first frame 1 is provided with the external assembly 121, the back side surface of the second frame 2 is provided with the external assembly hole 221, the external assembly 121 of the first frame 1 is inserted into the external assembly hole 221 of the second frame 2 of the adjacent electrolytic cell unit to realize expansion, and the external assembly hole 221 of the second frame 2 is inserted into the external assembly hole 121 of the first frame 1 of the adjacent electrolytic cell unit to realize expansion, so as to adjust the length of the electrolytic cell. In other embodiments, of course, the assembly bodies and the assembly holes may be mixedly disposed on the back side surfaces of the first frame and the second frame, and the frame of the adjacent electrolytic cell unit is provided with the assembly holes and the assembly bodies adapted thereto at the corresponding positions thereof, so as to realize the extension of the external connection of the electrolytic cell unit.

The inner side surface of the first frame 1 is provided with a first groove 12, the inner side surface of the second frame 2 is provided with a second groove 22, and the first groove 12 and the second groove 22 enclose to form the accommodating space. Specifically, in this embodiment, the first groove 12 and the second groove 22 are both circular grooves, and after the first frame 12 and the second frame 22 are connected in a butt joint manner, the accommodating space is a closed space, the conductive component is installed in the accommodating space, and the size and the shape of the conductive component are adapted to the accommodating space, so that the conductive component is stably installed in the electrolytic cell unit structure.

An inner connection assembly hole 111 is formed in the inner side surface of the first frame 1, which is located on the outer periphery of the first groove 12, an inner connection assembly body 211 is formed in the inner side surface of the second frame 2, which is located on the outer periphery of the second groove 22, and the inner connection assembly body 111 and the inner connection assembly hole 211 are in inserted fit. In this embodiment, a plurality of interior assembly holes 111 set up in the periphery side circumference of first recess 12, a plurality of interior assembly bodies 211 set up in the periphery side circumference of second recess 22, the quantity and the position of interior assembly holes 111 and interior assembly bodies 211 correspond the setting each other, utilize the interior assembly bodies and the cooperation of pegging graft of interior assembly holes between first frame and the second frame, realize the simple assembly of fitting surface, convenient assembling is swift, and convenient to detach and maintenance, closely laminate between the fitting surface, the leakproofness is good, avoid revealing.

The inner side surface of the first frame 1 is located on the outer side of the inline assembly hole 111 and is provided with an annular groove (not shown in the figure), the inner side surface of the second frame 2 is located on the outer side of the inline assembly body 211 and is provided with an annular protrusion (not shown in the figure), and the annular protrusion is embedded in the annular groove. Through the protruding cooperation of establishing of inlaying of annular to connect first frame 1 and second frame 2, guarantee the leakproofness of electrolysis trough unit, can understand ground, annular protruding and ring channel size adaptation, the tight cooperation of tension to realize good sealed, preferably, be provided with sealed the pad between annular protruding and the ring channel, further improve the sealed effect of first frame and second frame.

The conductive member 3 includes a cathode plate 31, an anode plate 32, and a separator 33 disposed between the cathode plate 31 and the anode plate 32. The cathode plate 31 and the anode plate 32 are respectively connected with a power supply to be electrified so as to electrolyze the electrolyte, the cathode plate 31 and the anode plate 32 are separated by a diaphragm 33, the diaphragm is provided with a cathode surface and an anode surface, and the size and the shape of the cathode plate 31 are matched with the cathode surface of the diaphragm 33. The size and shape of the anode plate 32 are matched with the anode surface of the diaphragm 33, and the cathode plate, the diaphragm and the anode plate are in close contact, are placed in the accommodating space between the first frame 1 and the second frame 2, and are fastened through the assembly of the inline assembly holes 111 and the inline assembly 121.

A gasket (not shown in the drawings) is provided between the cathode plate 31 and the separator 33 and/or between the anode plate 32 and the separator 33. The distance between the diaphragm 33 and the cathode plate 31 and the distance between the diaphragm 33 and the anode plate 32 are adjusted by arranging the gaskets, the distance between the anode plate 32 and the diaphragm 33 and the distance between the cathode plate 31 and the diaphragm 33 can be respectively adjusted or can be adjusted simultaneously, the operation flexibility is strong, a zero-spacing structure can be realized, the inter-electrode resistance is reduced, and the requirement of electrode performance research can be realized by arranging a certain gap.

The electrolytic cell unit structure capable of realizing rapid assembly and expansion further comprises a first reinforcing part 13 arranged on the outer periphery side of the first frame 1 and a second reinforcing part 23 arranged on the outer periphery side of the second frame 2, wherein the back side surface of the first reinforcing part 13 is flush with the back side surface of the first frame 1, and the back side surface of the second reinforcing part 23 is flush with the back side surface of the second frame 2. After the electrolytic cell is expanded and prolonged, the adjacent electrolytic cell units are attached to each other, wherein the first reinforcing piece 13 and the second reinforcing piece 23 are also attached to each other, and the adjacent reinforcing pieces outside the frame can be fastened in a segmented mode through external clamps, flanges, welding and the like, so that the limitation of strength to the size of the electrolytic cell is avoided.

An electrolytic cell comprising at least one set of the above rapidly assembled and expanded cell unit structures, wherein the external linking structures of adjacent cell unit structures are connected to each other to achieve expansion of the cell unit. The electrolytic cell units are convenient to assemble, the number of the electrolytic cell units can be adjusted as required, different electrolytic cell lengths are realized, and different hydrogen production amounts are conveniently realized.

The electrolytic cell also comprises a first outer frame 4 and a second outer frame 5 which are respectively arranged at the front end and the rear end of the electrolytic cell and have electrolytic cell unit structures. The first outer frame 4 and the second outer frame 5 are provided with edges made of engineering plastic materials, are connected with the frame of the end electrolysis unit and are adaptive to the size, the middle parts of the first outer frame and the second outer frame are conductive areas, and the first outer frame and the second outer frame play roles in conducting an external power supply and fastening and sealing an electrolysis bath. The plastic edges and the conductive areas of the first outer frame 4 and the second outer frame 5 are connected in a welding or integral injection molding mode, the electrolytic cell units connected with the first outer frames have the internal structure of cathode-diaphragm-anode, and the cathode is close to the first outer frames; the inner structure of the electrolytic cell unit connected with the second outer frame is cathode-diaphragm-anode, and the anode is close to the second outer frame.

It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present application, "a plurality" means two or more unless otherwise specified.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.