Ion exchange membrane sealing structure for a carbon dioxide reduction electrolytic cell

Abstract

The present invention relates to the technical field of electrolytic cells, and particularly to an ion exchange membrane sealing structure for a carbon dioxide reduction electrolytic cell, including: an electrolytic cell one and an electrolytic cell two, the electrolytic cell two is located behind the electrolytic cell one, and ion exchange membranes are arranged on the front sides of both the electrolytic cell one and the electrolytic cell two; a fixing mechanism, the fixing mechanism includes mounting grooves opened on the front side of the electrolytic cell one, the number of the mounting grooves is four, the front sides of the mounting grooves are slidably connected with transmission sleeves, a first spring is fixedly connected to the rear side of the inner cavity of the transmission sleeve, the rear end of the first spring is fixedly connected to a transmission rod, and transmission grooves are opened on the front side of the surface of the transmission rod. The present invention has the advantages of good sealing effect and being convenient for disassembly and assembly. During actual use, firstly, by improving the sealing performance of the ion exchange membrane during use, when the electrolytic cell undergoes a chemical reaction, the possibility of external impurities entering the device interior is reduced, and further the influence of impurities on the reduction reaction is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of electrolytic cells, and particularly to an ion exchange membrane sealing structure for a carbon dioxide reduction electrolytic cell. Background Art

[0002] The main application of an electrolytic cell is in the industrial production of high-purity metals. It is a device that converts electrical energy into chemical energy (composition: external power source, electrolyte solution, anode and cathode electrodes), and is a process in which an electric current passes through an electrolyte solution or molten electrolyte to cause reduction-oxidation reactions at the cathode and anode.

[0003] Experimental personnel use the chemical reduction reaction of carbon dioxide to generate other related products, and generally use an electrolytic cell when performing carbon dioxide reduction. The role of the ion exchange membrane in the electrolytic cell is to only allow ions to pass through, preventing the production of impure electrolysis products. Therefore, the sealing performance of the ion exchange membrane is required to be relatively high. However, the existing ion exchange membranes have problems with poor sealing effects during use. The connection gaps between the seals are prone to allowing the penetration of fluids or solid particles, which in turn makes the raw materials participating in the reaction impure, affecting the chemical results of the carbon dioxide reduction reaction, further reducing the quality of the chemical reaction products and the operation efficiency of the operator. Secondly, when connecting multiple electrolytic cells simultaneously, there is a lack of a connection structure between adjacent electrolytic cells, making installation or disassembly very inconvenient, increasing the operation burden on the user, and further reducing the convenience of use. To solve the above problems, an ion exchange membrane sealing structure for a carbon dioxide reduction electrolytic cell is urgently needed to be developed. Summary of the Invention

[0004] The purpose of the present invention is to provide an ion exchange membrane sealing structure for a carbon dioxide reduction electrolytic cell, which has the advantages of good sealing effect and easy disassembly and assembly, and solves the problems raised in the above background art.

[0005] To achieve the above object, the present invention provides the following technical solution: An ion exchange membrane sealing structure for a carbon dioxide reduction electrolytic cell, comprising: electrolytic cell one and electrolytic cell two, the electrolytic cell two is located behind the electrolytic cell one, and ion exchange membranes are provided on the front sides of both the electrolytic cell one and the electrolytic cell two.

[0006] Fixing mechanism, the fixing mechanism includes mounting grooves opened on the front side of an electrolytic cell. The number of the mounting grooves is four. A transmission sleeve is slidably connected to the front side of the mounting grooves. A first spring is fixedly connected to the rear side of the inner cavity of the transmission sleeve. The rear end of the first spring is fixedly connected to a transmission rod. A transmission groove is opened on the front side of the surface of the transmission rod. A connecting convex block is slidably connected to the bottom of the inner cavity of the transmission groove. The top of the connecting convex block is rotatably connected to the transmission sleeve. An inclined surface one is opened on one side of the connecting convex block. An inclined groove is opened on the rear side of the top of the surface of the transmission rod. A vertical hole is opened on the front side of the top of the inclined groove. A locking block is slidably connected to the inner cavity of the vertical hole. An inclined surface two is opened on the bottom of the surface of the locking block. An inclined surface three is opened on one side of the inner cavity of the vertical hole. A second spring is fixedly connected to the top of the locking block. A locking groove for cooperating with the locking block and the second spring is opened on the front side of the electrolytic cell two. The top end of the second spring is fixedly connected to the locking groove.

[0007] Sealing mechanism, the sealing mechanism includes a connecting pipe communicated with the electrolytic cell one. A spring seat is arranged at the right end of the connecting pipe. A third spring is fixedly connected to the right side of the inner cavity of the spring seat. The left end of the third spring is fixedly connected to a connecting plate. A first sealing ring is fixedly connected to the left side of the connecting plate. A placing groove is opened on the right side of the first sealing ring. A sealing ring is fixedly connected to the left side of the inner cavity of the placing groove. A second sealing ring is fixedly connected to the inner cavity of the first sealing ring. A first thread groove is arranged in the inner cavity of the second sealing ring. A second thread groove is arranged on the right side of the surface of the connecting pipe.

[0008] Further, as a preferred embodiment of the present invention, limiting grooves are opened on both sides of the inner cavity of the mounting groove. A limiting block is slidably connected to one side of the inner cavity of the limiting groove. The side of the limiting block away from the limiting groove is fixedly connected to the transmission sleeve.

[0009] Further, as a preferred embodiment of the present invention, a sealing sleeve is sleeved on the right side of the surface of the first sealing ring. The surface of the sealing sleeve is fixedly connected to the spring seat.

[0010] Further, as a preferred embodiment of the present invention, a number of equally spaced convex blocks are fixedly connected to the left side of the surface of the second sealing ring. A first groove for cooperating with the convex blocks is opened in the inner cavity of the first sealing ring.

[0011] Further, as a preferred embodiment of the present invention, a second groove is opened on the front side of the transmission sleeve.

[0012] Further, as a preferred embodiment of the present invention, the slope angle of the inclined groove gradually decreases from front to back.

[0013] Further, as a preferred embodiment of the present invention, the centers of the connecting pipe, the spring seat, the third spring, the connecting plate, the first sealing ring, the placing groove, the sealing ring, and the second sealing ring are all located on the same axis.

[0014] Further, as a preferred embodiment of the present invention, a telescopic structure is formed between the transmission sleeve and the first spring, and the maximum telescopic distance of the transmission sleeve is equal to the deformation amount of the first spring.

[0015] Further, as a preferred embodiment of the present invention, the second inclined surface and the third inclined surface are used in cooperation.

[0016] Further, as a preferred embodiment of the present invention, the first electrolytic cell and the second electrolytic cell have the same structure.

[0017] Beneficial effects: The technical solution of the present application has the following technical effects: The present invention has the advantages of good sealing effect and convenient disassembly and assembly. During actual use, firstly, by improving the sealing performance of the ion exchange membrane during use, when the electrolytic cell undergoes a chemical reaction, the possibility of external impurities entering the interior of the device is reduced, the purity of the reaction raw materials is increased, and further the influence of impurities on the reduction reaction is reduced, thereby further improving the quality of the chemical reaction product and the accuracy of the reaction result. Secondly, by providing an installation mechanism that is convenient for disassembly and assembly between the two electrolytic cells, when multiple groups of electrolytic cells are used simultaneously, rapid installation and disassembly can be achieved, improving the portability of use and further saving the operation time of the user.

[0018] It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be regarded as part of the inventive subject matter of the present disclosure as long as such concepts do not conflict with each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the drawings:

[0020] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0021] Figure 2 is a three-dimensional structural schematic diagram of the split state of the first electrolytic cell and the second electrolytic cell of the present invention;

[0022] Figure 3 is of the present invention Figure 2 a partial enlarged view of A in;

[0023] Figure 4 is a three-dimensional structural schematic diagram of the fixing mechanism of the present invention;

[0024] Figure 5 is a three-dimensional structural schematic diagram of the split state of the fixing mechanism of the present invention;

[0025] Figure 6 is a right-side three-dimensional structural schematic diagram of the transmission rod of the present invention;

[0026] Figure 7 is a three-dimensional schematic diagram of the split state of the sealing mechanism of the present invention;

[0027] Figure 8 is a three-dimensional schematic diagram of the split state of the right view of the sealing mechanism of the present invention.

[0028] In the figure, the meanings of the reference numerals are as follows: 1. Electrolytic cell 1; 2. Electrolytic cell 2; 3. Installation groove; 4. Transmission sleeve; 5. Spring 1; 6. Transmission rod; 7. Transmission groove; 8. Connecting convex block; 9. Inclined plane 1; 10. Inclined groove; 11. Vertical hole; 12. Locking block; 13. Inclined plane 2; 14. Inclined plane 3; 15. Spring 2; 16. Locking groove; 17. Connecting pipe; 18. Spring seat; 19. Spring 3; 20. Connecting plate; 21. Sealing ring 1; 22. Placing groove; 23. Sealing ring; 24. Sealing ring 2; 25. Thread groove 1; 26. Thread groove 2; 27. Limiting groove; 28. Limiting block; 29. Sealing sleeve; 30. Convex block; 31. Groove 1. Specific embodiments

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. In order to better understand the technical content of the present invention, specific embodiments are specifically cited and described in conjunction with the accompanying drawings as follows. In the present disclosure, aspects of the present invention are described with reference to the accompanying drawings, and many illustrative embodiments are shown in the drawings. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of many ways. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts fall within the scope of protection of the present invention.

[0030] As shown in the attached Figure 1 to the attached Figure 8 figures: This embodiment provides an ion exchange membrane sealing structure for a carbon dioxide reduction electrolytic cell, including: electrolytic cell 1 and electrolytic cell 2. The structures of electrolytic cell 1 and electrolytic cell 2 are the same. Electrolytic cell 2 is located behind electrolytic cell 1. Ion exchange membranes are provided on the front sides of both electrolytic cell 1 and electrolytic cell 2.

[0031] Fixing mechanism, the fixing mechanism includes an installation groove 3 opened on the front side of the electrolytic cell 1. The number of the installation grooves 3 is four. A transmission sleeve 4 is slidably connected to the front side of the installation groove 3. A first spring 5 is fixedly connected to the rear side of the inner cavity of the transmission sleeve 4. A telescopic structure is formed between the transmission sleeve 4 and the first spring 5, and the maximum telescopic distance of the transmission sleeve 4 is equal to the deformation amount of the first spring 5. The rear end of the first spring 5 is fixedly connected to a transmission rod 6. A transmission groove 7 is opened on the front side of the surface of the transmission rod 6. A connecting convex block 8 is slidably connected to the bottom of the inner cavity of the transmission groove 7. The top of the connecting convex block 8 is rotatably connected to the transmission sleeve 4. An inclined surface 9 is opened on one side of the connecting convex block 8. An inclined groove 10 is opened on the rear side of the top surface of the transmission rod 6. The slope angle of the inclined groove 10 gradually decreases from front to back. A vertical hole 11 is opened on the front side of the top of the inclined groove 10. A locking block 12 is slidably connected to the inner cavity of the vertical hole 11. An inclined surface 13 is opened on the bottom of the surface of the locking block 12. An inclined surface 14 is opened on one side of the inner cavity of the vertical hole 11. The inclined surface 13 and the inclined surface 14 are used in cooperation. The top of the locking block 12 is fixedly connected to a second spring 15. A locking groove 16 for cooperating with the locking block 12 and the second spring 15 is opened on the front side of the electrolytic cell 2. The top end of the second spring 15 is fixedly connected to the locking groove 16.

[0032] Sealing mechanism, the sealing mechanism includes a connecting pipe 17 communicated with the electrolytic cell 1. A spring seat 18 is arranged at the right end of the connecting pipe 17. A third spring 19 is fixedly connected to the right side of the inner cavity of the spring seat 18. The left end of the third spring 19 is fixedly connected to a connecting plate 20. A first sealing ring 21 is fixedly connected to the left side of the connecting plate 20. A placing groove 22 is opened on the right side of the first sealing ring 21. A sealing ring 23 is fixedly connected to the left side of the inner cavity of the placing groove 22. A second sealing ring 24 is fixedly connected to the inner cavity of the first sealing ring 21. A first thread groove 25 is arranged in the inner cavity of the second sealing ring 24. A second thread groove 26 is arranged on the right side surface of the connecting pipe 17.

[0033] Specifically, limiting grooves 27 are opened on both sides of the inner cavity of the installation groove 3. A limiting block 28 is slidably connected to one side of the inner cavity of the limiting groove 27. The side of the limiting block 28 away from the limiting groove 27 is fixedly connected to the transmission sleeve 4.

[0034] In this embodiment: Through the cooperation of the limiting groove 27 and the limiting block 28, the displacement of the transmission sleeve 4 is guided and limited, so that while the transmission sleeve 4 maintains a linear motion, the transmission sleeve 4 is prevented from disengaging from the installation groove 3 under the push of the first spring 5.

[0035] Specifically, a sealing sleeve 29 is sleeved on the right side surface of the first sealing ring 21. The surface of the sealing sleeve 29 is fixedly connected to the spring seat 18.

[0036] In this embodiment: Through the arrangement of the sealing sleeve 29, the connection between the first sealing ring 21 and the spring seat 18 is sealed, and the sealing sleeve 29 covers the surface of the spring seat 18, improving the sealing performance of the spring seat 18.

[0037] Specifically, several convex blocks 30 are fixedly connected to the left side of the surface of the second sealing ring 24 at equal intervals, and a first groove 31 for cooperating with the convex blocks 30 is formed in the inner cavity of the first sealing ring 21.

[0038] In this embodiment: Through the cooperation of the convex blocks 30 and the first groove 31, the connection strength between the second sealing ring 24 and the first sealing ring 21 is enhanced, preventing the penetration of the end gap, and further improving the overall sealing performance of the device.

[0039] Specifically, a second groove is formed in the front side of the transmission sleeve 4.

[0040] In this embodiment: Through the arrangement of the second groove, the friction between the user's finger and the transmission sleeve 4 is increased, preventing the surface of the transmission sleeve 4 from being too smooth and facilitating the pushing of the transmission sleeve 4.

[0041] Specifically, the centers of the connecting pipe 17, the spring seat 18, the third spring 19, the connecting plate 20, the first sealing ring 21, the placement groove 22, the sealing ring 23, and the second sealing ring 24 are all located on the same axis.

[0042] In this embodiment: Through the arrangement of the centers of the connecting pipe 17, the spring seat 18, the third spring 19, the connecting plate 20, the first sealing ring 21, the placement groove 22, the sealing ring 23, and the second sealing ring 24, all the sealing elements are located on the same straight line, thereby achieving efficient sealing.

[0043] The working principle and usage process of the present invention:

[0044] Step 1: When the user needs to connect the first electrolytic cell 1 and the second electrolytic cell 2, the user can place a finger in the second groove and push the transmission sleeve 4 inward. The transmission sleeve 4 pushes the first spring 5 to move in the same direction. At this time, the first spring 5 is in a contracted state. Then, the transmission sleeve 4 drives the connecting convex block 8 to move in the same direction at the same time, and first pushes the connecting convex block 8 to move linearly backward in the inner cavity of the transmission groove 7. At this time, the transmission rod 6 moves linearly in the inner cavity of the installation groove 3 toward the inner cavity of the locking groove 16. Furthermore, when the transmission rod 6 moves, the inclined groove 10 first contacts the locking block 12. As the transmission rod 6 continues to move, the height of the inclined groove 10 becomes higher and higher, and thus the extrusion force on the locking block 12 becomes greater and greater. Under the action of the elastic potential energy of the second spring 15, the locking block 12 is pushed upward. Then, when the inclined groove 10 completely moves to the rear side of the locking block 12, as the transmission rod 6 continues to move, the locking block 12 slides into the inner cavity of the vertical hole 11. At this time, the locking block 12 loses its locking function. Under the restoration of the elastic potential energy of the second spring 15, the locking block 12 completely moves into the inner cavity of the vertical hole 11 and fits with the vertical hole 11, thus completing the connection of the first electrolytic cell 1 and the second electrolytic cell 2. Then, when the user needs to disassemble the first electrolytic cell 1 and the second electrolytic cell 2, repeat the above steps. Just when the connecting convex block 8 moves linearly in the inner cavity of the transmission groove 7 and the rear end of the connecting convex block 8 contacts the transmission groove 7, with the continuous transmission of the transmission sleeve 4, under the coordinated use of the first inclined surface 9, the first inclined surface 9 generates a thrust on the transmission groove 7, so that the transmission rod 6 changes from linear motion to rotational motion. Furthermore, the transmission rod 6 drives the third inclined surface 14 inside the vertical hole 11 to move in the same direction. As the transmission rod 6 rotates, the third inclined surface 14 continuously extrudes the locking block 12, causing relative movement between the two, and thus pushing the locking block 12 upward. Finally, the locking block 12 is separated from the inner cavity of the vertical hole 11, thereby completing the disassembly of the first electrolytic cell 1 and the second electrolytic cell 2;

[0045] Step 2: When the user seals the first electrolytic cell 1 or the second electrolytic cell 2, first, when the connecting pipe 17 and the spring seat 18 are connected, the third spring 19, due to its telescopic function, squeezes and discharges the air inside the spring seat 18 to achieve the function of pre-tightening and buffering. Then, under the connection of the connecting plate 20, the sealing ring 23, the first sealing ring 21, and the second sealing ring 24, first, through the connection of the sealing ring 23, the friction between the connecting plate 20 and the sealing ring 23 is reduced, wear is decreased, the metal is protected, and the connecting plate 20 and the first sealing ring 21 are prevented from being corroded, thereby avoiding leakage and prolonging the service life of the components. Then, under the combined use of the first sealing ring 21 and the second sealing ring 24, the connection gap of the components is filled and sealed to prevent fluids or solid particles from penetrating or leaking through the connection gap of the components, further enhancing the sealing effect of the components. Finally, by tightening the first thread groove 25 and the second thread groove 26, the connection sealing surface of the second sealing ring 24 and the connecting pipe 17 is compressed to form a seal, further achieving the purpose of leak prevention. Furthermore, under the combined use of multiple groups of components, the sealing performance of the first electrolytic cell 1 is improved, further enhancing the sealing performance of the ion exchange membrane.

[0046] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0047] Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Those with ordinary knowledge in the technical field to which the present invention pertains can make various modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be subject to what is defined by the claims.

Claims

1. An ion exchange membrane sealing structure for a carbon dioxide reduction electrolytic cell, comprising: An electrolytic cell one (1) and an electrolytic cell two (2), characterized in that: the electrolytic cell two (2) is located at the rear side of the electrolytic cell one (1), and ion exchange membranes are arranged on the front sides of both the electrolytic cell one (1) and the electrolytic cell two (2); A fixing mechanism, the fixing mechanism includes an installation groove (3) opened on the front side of the electrolytic cell one (1), the number of the installation grooves (3) is four, a transmission sleeve (4) is slidably connected to the front side of the installation groove (3), a first spring (5) is fixedly connected to the rear side of the inner cavity of the transmission sleeve (4), the rear end of the first spring (5) is fixedly connected to a transmission rod (6), a transmission groove (7) is opened on the front side of the surface of the transmission rod (6), a connecting convex block (8) is slidably connected to the bottom of the inner cavity of the transmission groove (7), the top of the connecting convex block (8) is rotatably connected to the transmission sleeve (4), a first inclined surface (9) is opened on one side of the connecting convex block (8), an inclined groove (10) is opened on the rear side of the top of the surface of the transmission rod (6), a vertical hole (11) is opened on the front side of the top of the inclined groove (10), a locking block (12) is slidably connected to the inner cavity of the vertical hole (11), a second inclined surface (13) is opened on the bottom of the surface of the locking block (12), a third inclined surface (14) is opened on one side of the inner cavity of the vertical hole (11), a second spring (15) is fixedly connected to the top of the locking block (12), a locking groove (16) which is matched with the locking block (12) and the second spring (15) is opened on the front side of the electrolytic cell two (2), and the top end of the second spring (15) is fixedly connected to the locking groove (16); A sealing mechanism, the sealing mechanism includes a connecting pipe (17) communicated with the electrolytic cell one (1), a spring seat (18) is arranged at the right end of the connecting pipe (17), a third spring (19) is fixedly connected to the right side of the inner cavity of the spring seat (18), a connecting plate (20) is fixedly connected to the left end of the third spring (19), a first sealing ring (21) is fixedly connected to the left side of the connecting plate (20), a placing groove (22) is opened on the right side of the first sealing ring (21), a sealing ring (23) is fixedly connected to the left side of the inner cavity of the placing groove (22), a second sealing ring (24) is fixedly connected to the inner cavity of the first sealing ring (21), a first thread groove (25) is arranged in the inner cavity of the second sealing ring (24), and a second thread groove (26) is arranged on the right side surface of the connecting pipe (17).

2. The ion exchange membrane sealing structure for a carbon dioxide reduction electrolytic cell according to claim 1, characterized in that: Limiting grooves (27) are opened on both sides of the inner cavity of the installation groove (3), a limiting block (28) is slidably connected to one side of the inner cavity of the limiting groove (27), and the side of the limiting block (28) away from the limiting groove (27) is fixedly connected to the transmission sleeve (4).

3. The ion exchange membrane sealing structure for a carbon dioxide reduction electrolytic cell according to claim 1, characterized in that: A seal sleeve (29) is sleeved on the right side of the surface of the first sealing ring (21), and the surface of the seal sleeve (29) is fixedly connected to the spring seat (18).

4. An ion exchange membrane sealing structure for a carbon dioxide reduction electrolytic cell according to claim 1, wherein: A number of equally spaced bumps (30) are fixedly connected to the left side of the surface of the second sealing ring (24), and a first groove (31) for cooperating with the bumps (30) is formed in the inner cavity of the first sealing ring (21).

5. An ion exchange membrane sealing structure for a carbon dioxide reduction electrolytic cell according to claim 1, wherein: A second groove is formed in the front side of the drive sleeve (4).

6. An ion exchange membrane sealing structure for a carbon dioxide reduction electrolytic cell according to claim 1, wherein: The slope angle of the inclined groove (10) gradually decreases from front to back.

7. An ion exchange membrane sealing structure for a carbon dioxide reduction electrolytic cell according to claim 1, wherein: The centers of the connecting pipe (17), the spring seat (18), the third spring (19), the connecting plate (20), the first sealing ring (21), the placement groove (22), the sealing ring (23), and the second sealing ring (24) are all located on the same axis.

8. An ion exchange membrane sealing structure for a carbon dioxide reduction electrolytic cell according to claim 1, wherein: A telescopic structure is formed between the drive sleeve (4) and the first spring (5), and the maximum telescopic distance of the drive sleeve (4) is equal to the deformation amount of the first spring (5).

9. An ion exchange membrane sealing structure for a carbon dioxide reduction electrolytic cell according to claim 1, wherein: The second inclined surface (13) and the third inclined surface (14) cooperate with each other.

10. An ion exchange membrane sealing structure for a carbon dioxide reduction electrolytic cell according to claim 1, wherein: The structures of the first electrolytic cell (1) and the second electrolytic cell (2) are the same.

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