Pole frame structure of square electrolytic bath

Abstract

The utility model discloses a square electrolytic bath pole frame structure, which relates to the technical field of electrolytic hydrogen production equipment, and comprises a first bath frame and a second bath frame, the first bath frame and the second bath frame are arranged in an overlapped manner, the inner sides of the first bath frame and the second bath frame are provided with an assembling component and an electrolytic part, and the assembling component comprises an expansion part. The expansion pieces are arranged at the joint of the first groove frame and the second groove frame, the expansion pieces comprise expansion pieces, each expansion piece comprises a base, and the two sides of each base are movably connected with auxiliary polar plates. According to the square electrolytic bath pole frame structure, after the auxiliary pole plates are completely deflected, the clamping blocks and the stand columns are clamped, so that the auxiliary pole plates and the stand columns form a conductor connected with an external power supply and react with electrolyte after being electrified, and a new anode is added for the device, so that the contact area with the electrolyte is increased; active sites participating in electrochemical reaction are increased, and the reaction is promoted.

Description

Technical Field

[0001] The utility model relates to the technical field of electrolytic hydrogen production equipment, in particular to a square electrolytic cell pole frame structure. Background Art

[0002] The electrolytic hydrogen production process is a method of producing hydrogen from water using electrolysis. In the electrolytic cell, a DC voltage is applied to cause water molecules to undergo ionization reactions and decompose into hydrogen ions and hydroxide ions.

[0003] In the electrolytic hydrogen production process, the square electrolytic cell pole frame is an important component of the electrolytic cell. The existing Chinese patent with the authorization announcement number CN215757649U discloses an electrolytic cell. By optimizing the electrolytic cell into a rectangular structure, it can be stacked to reduce the space occupation, improve space utilization, and meet modular requirements.

[0004] And because the electrolytic cell is generally no longer moved after installation, it can still perform electrolysis under normal pressure or medium and low pressure conditions. Due to the low internal pressure, the electrolytic cell does not need to be set with a high overall structural strength. However, long-term electrolysis will cause the water molecules in the electrolyte to be decomposed and consumed, the electrolyte concentration will be reduced, and the ion conductivity will deteriorate, affecting the current efficiency. Utility Model Content

[0005] In view of the problem that the above-mentioned existing device may cause the water molecules in the electrolyte to be decomposed and consumed during long-term electrolysis, resulting in a decrease in electrolyte concentration, deterioration of ion conductivity, and influence on current efficiency, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a square electrolytic cell pole frame structure, the purpose of which is to form a conductor connected to an external power supply by fully deflecting the secondary pole plate and the column, and when connected to the external power supply, increase the active sites participating in the electrochemical reaction to promote the reaction.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a square electrolytic cell pole frame structure, comprising a first slot frame and a second slot frame, wherein the first slot frame and the second slot frame are arranged in a superimposed manner, and the inner sides of the first slot frame and the second slot frame are provided with assembly components and electrolytic parts;

[0008] The assembly component includes an expansion piece, which is arranged at the connection between the first slot frame and the second slot frame. The expansion piece includes an expansion piece, and the expansion piece includes a base. The two sides of the base are movably connected with secondary plates, and the secondary plates are hinged on both sides of the pressure plate through a telescopic connecting rod.

[0009] As a preferred solution of the square electrolytic cell pole frame structure of the utility model, a column is installed on the inner side of the top of the base, one end of the column passes through the base and is located in the first slot frame and the second slot frame, a pressure plate is fixedly installed on the top of the column, and the secondary pole plates are distributed on both sides of the pressure plate.

[0010] As a preferred solution of the square electrolytic cell pole frame structure of the utility model, wherein: clamping blocks are fixedly installed on both sides of the secondary pole plate, the clamping blocks are arranged side by side and symmetrically, and the clamping blocks are movably connected to both sides of the column through the secondary pole plate.

[0011] As a preferred solution of the square electrolytic cell pole frame structure of the utility model, the assembly component also includes a docking piece, the docking piece includes a positioning block, the positioning block passes through the first slot frame and the second slot frame as a whole, and a positioning hole is opened on the inner side of the positioning block.

[0012] As a preferred solution of the square electrolytic cell pole frame structure of the utility model, the assembly component also includes liquid outlet grooves, which are staggeredly distributed, and the first cell frame and the second cell frame are provided with liquid inlet grooves on the side away from the liquid outlet grooves, and the liquid outlet grooves correspond to the liquid inlet grooves one by one.

[0013] As a preferred solution of the square electrolytic cell pole frame structure of the utility model, the outer sides of the first slot frame and the second slot frame are also provided with docking holes and mounting holes, the docking holes are arranged in a staggered manner, and the mounting holes are distributed in a rectangular array around the first slot frame and the second slot frame.

[0014] As a preferred solution of the square electrolytic cell pole frame structure of the utility model, wherein: the electrolytic component includes tie rods, the tie rods are fixedly installed on the inner sides of the first slot frame and the second slot frame, and are staggeredly distributed, the tie rods pass through the first slot frame and the second slot frame, one end of which is connected to the first pole plate, the first pole plate is movably connected to the inner sides of the first slot frame and the second slot frame, and the second pole plate is arranged at the end of the tie rod away from the first pole plate.

[0015] As a preferred solution of the square electrolytic cell pole frame structure of the utility model, a diaphragm is arranged between the first pole plate and the second pole plate, and the diaphragm is an ion exchange membrane.

[0016] Beneficial effects of the utility model:

[0017] 1. After the secondary plate is fully deflected, the block and the column are connected, so that the secondary plate and the column form a conductor connected to the external power supply, and react with the electrolyte after power is turned on, adding a new anode to the device, thereby increasing the contact area with the electrolyte, increasing the active sites involved in the electrochemical reaction, and promoting the reaction.

[0018] 2. The diaphragm is used to prevent the gases from permeating each other, preventing the mixing of hydrogen and oxygen, which may cause potential safety hazards. The composite fixing method of screws, docking holes and mounting holes is adopted, so that the assembled first slot frame and the second slot frame are more stable during the reaction and are not easy to loosen and fall off. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0020] Figure 1 It is a schematic diagram of the overall structure of the square electrolytic cell pole frame structure of the utility model.

[0021] Figure 2 It is a schematic cross-sectional view of the pole frame structure of a square electrolytic cell of the utility model.

[0022] Figure 3 The utility model is a square electrolytic cell pole frame structure Figure 2 Schematic diagram of the structure of part B.

[0023] Figure 4 It is a schematic diagram of the structure of the extended parts of the pole frame structure of the square electrolytic cell of the utility model.

[0024] Figure 5 It is a schematic diagram of the cross-sectional structure of the pole frame structure of a square electrolytic cell of the utility model.

[0025] Figure 6 The utility model is a square electrolytic cell pole frame structure Figure 5 Schematic diagram of the enlarged structure of part B.

[0026] Description of reference numerals:

[0027] 1. First slot frame; 2. Second slot frame; 3. Assembly components; 31. Extension parts; 311. Base; 312. Telescopic connecting rod; 313. Secondary plate; 314. Column; 315. Press plate; 316. Block; 32. Docking parts; 321. Positioning block; 322. Positioning hole; 323. Liquid outlet tank; 324. Liquid inlet tank; 325. Docking hole; 326. Mounting hole; 4. Electrolytic parts; 41. Tie rod; 42. First plate; 43. Second plate; 44. Diaphragm. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0029] Example 1

[0030] Reference Figure 1-6 , which is the first embodiment of the utility model, provides a square electrolytic cell pole frame structure, the square electrolytic cell pole frame structure includes a first slot frame 1 and a second slot frame 2, the first slot frame 1 and the second slot frame 2 are arranged in a superimposed manner, the inner sides of the first slot frame 1 and the second slot frame 2 are provided with an assembly component 3 and an electrolytic component 4, the assembly component 3 includes an expansion component 31, the expansion component 31 is arranged at the connection between the first slot frame 1 and the second slot frame 2, the expansion component 31 includes a base 311, and the two sides of the base 311 are movably connected with a secondary plate 313, and the secondary plate 313 is connected by The telescopic connecting rod 312 is hinged on both sides of the pressure plate 315. The first slot frame 1 and the second slot frame 2 are both square structures. After assembly, the top view angles remain overlapping. The base 311 is fixedly installed at the connection between the first slot frame 1 and the second slot frame 2 using an embedded process. The telescopic connecting rod 312 is made of insulating material and does not react with the electrolyte during electrolysis. The secondary plate 313 remains flush with the inner sides of the first slot frame 1 and the second slot frame 2 when not unfolded, and the secondary plate 313 does not react with the electrolyte when no power is applied, and is the same as the anode material of the device.

[0031] A column 314 is installed on the inner side of the top of the base 311. One end of the column 314 passes through the base 311 and is located in the first slot frame 1 and the second slot frame 2. A pressure plate 315 is fixedly installed on the top of the column 314. The secondary plates 313 are distributed on both sides of the pressure plate 315. The pressure plate 315 is made of conductive material and can be connected to the positive pole of an external power supply through a wire or the pressure plate 315 is made of insulating material to isolate the column 314 and the secondary plate 313 to achieve insulation.

[0032] Blocks 316 are fixedly installed on both sides of the secondary plate 313. The blocks 316 are parallel to each other and symmetrically arranged. The blocks 316 are movably connected to both sides of the column 314 through the secondary plate 313. The blocks 316 and the secondary plate 313 are made of the same material, and are the same as the anode material in the device. The blocks 316 can be connected with the column 314 through the deflection of the secondary plate 313, so that the secondary plate 313 and the column 314 form a conductor, and react with the electrolyte after power is turned on, so as to add a new anode to the device.

[0033] The assembly component 3 also includes a docking piece 32, which includes a positioning block 321. The positioning block 321 penetrates the first slot frame 1 and the second slot frame 2 as a whole. A positioning hole 322 is provided on the inner side of the positioning block 321. After the first slot frame 1 and the second slot frame 2 are assembled, the positioning block 321 is snapped into the corresponding groove. The positioning hole 322 can facilitate the insertion of the positive pole of the external power supply, so that when the device is running, the connection with the positive pole of the external power supply is more stable.

[0034] The assembly component 3 also includes liquid outlet grooves 323, which are arranged alternately with each other. A liquid inlet groove 324 is opened on the side of the first slot frame 1 and the second slot frame 2 away from the liquid outlet groove 323. The liquid outlet groove 323 corresponds to the liquid inlet groove 324 one by one. After the first slot frame 1 and the second slot frame 2 are assembled, they are inserted into the electrolyte, and the electrolyte enters the direction from the liquid inlet groove 324 to the liquid outlet groove 323.

[0035] The outer sides of the first slot frame 1 and the second slot frame 2 are further provided with docking holes 325 and mounting holes 326. The docking holes 325 are arranged in a staggered manner, and the mounting holes 326 are distributed in a rectangular array around the first slot frame 1 and the second slot frame 2. The docking holes 325 can be fixed by screws so that multiple groups of assembled first slot frames 1 and second slot frames 2 are on the same horizontal plane when used in parallel. The mounting holes 326 can cooperate with the screws to fix the assembled first slot frames 1 and second slot frames 2 to the relevant electrical device structure.

[0036] The electrolytic component 4 includes a tie rod 41, which is fixedly installed on the inner side of the first slot frame 1 and the second slot frame 2 and is staggered. The tie rod 41 passes through one end of the first slot frame 1 and the second slot frame 2 and is connected to a first electrode plate 42. The first electrode plate 42 is movably connected to the inner side of the first slot frame 1 and the second slot frame 2. A second electrode plate 43 is provided at one end of the tie rod 41 away from the first electrode plate 42. The first electrode plate 42 is made of nickel alloy material and acts as a cathode in the electrolysis reaction. The second electrode plate 43 is made of the same material as the auxiliary electrode plate 313, both of which are made of graphite material, and act as an anode in the charging electrolysis reaction. When connected to an external power supply, it acts as a conductor.

[0037] A diaphragm 44 is disposed between the first electrode plate 42 and the second electrode plate 43. The diaphragm 44 is an ion exchange membrane. The diaphragm 44 has good proton conductivity and chemical stability, and can effectively block gas penetration and prevent the mixing of anode and cathode gases.

[0038] When it is necessary to perform an electrolytic hydrogen production reaction, the positive electrode of an external direct current is connected to the second electrode plate 43 through the positioning hole 322 in the positioning block 321, so that water is reduced and oxidized on the surface of the first electrode plate 42 acting as the cathode of the electrolytic reaction and the second electrode plate 43 acting as the anode of the electrolytic reaction, respectively. The hydrogen ions at the cathode are reduced to hydrogen, and the water at the anode is oxidized to release electrons and oxygen. In this process, the diaphragm 44 is used to prevent the gases from permeating each other, preventing the mixing of hydrogen and oxygen and thus causing potential safety hazards. The first slot frame 1 and the second slot frame 1 after assembly are fixed in a composite manner by screws, docking holes 325 and mounting holes 326. The second slot frame 2 is more stable during the reaction and is not easy to loosen or fall off. After the electrolyte is used for a long time, the secondary plate 313 is pressed to deflect around the two sides of the pressure plate 315, and is hinged on the two sides of the column 314 through the telescopic connecting rod 312. After the secondary plate 313 is fully deflected, the block 316 is used to complete the clamping connection with the column 314, so that the secondary plate 313 and the column 314 form a conductor connected to the external power supply, and react with the electrolyte after power is turned on, so as to add a new anode to the device, thereby increasing the contact area with the electrolyte, increasing the active sites participating in the electrochemical reaction, and promoting the reaction.

[0039] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A square electrolytic cell pole frame structure, comprising a first cell frame (1) and a second cell frame (2), wherein the first cell frame (1) and the second cell frame (2) are arranged in a superimposed manner, characterized in that: An assembly component (3) and an electrolytic component (4) are arranged inside the first tank frame (1) and the second tank frame (2); The assembly component (3) comprises an expansion piece (31), the expansion piece (31) being arranged at the connection between the first slot frame (1) and the second slot frame (2), the expansion piece (31) comprising an expansion piece (31), the expansion piece (31) comprising a base (311), two sides of the base (311) being movably connected with secondary pole plates (313), and the secondary pole plates (313) being hinged to two sides of a pressure plate (315) via a telescopic connecting rod (312).

2. A square electrolytic cell pole frame structure according to claim 1, characterized in that: A column (314) is installed on the inner side of the top of the base (311); one end of the column (314) passes through the base (311) and is located in the first slot frame (1) and the second slot frame (2); a pressing plate (315) is fixedly installed on the top of the column (314); and the secondary plates (313) are distributed on both sides of the pressing plate (315).

3. A square electrolytic cell pole frame structure according to claim 2, characterized in that: Blocks (316) are fixedly mounted on both sides of the secondary pole plate (313); the blocks (316) are arranged in parallel and symmetrically; and the blocks (316) are movably connected to both sides of the column (314) through the secondary pole plate (313).

4. A square electrolytic cell pole frame structure according to claim 1, characterized in that: The assembly component (3) further comprises a docking member (32), wherein the docking member (32) comprises a positioning block (321), wherein the positioning block (321) penetrates the first slot frame (1) and the second slot frame (2) as a whole, and a positioning hole (322) is provided on the inner side of the positioning block (321).

5. A square electrolytic cell pole frame structure according to claim 4, characterized in that: The assembly component (3) further comprises liquid outlet grooves (323), wherein the liquid outlet grooves (323) are arranged in a staggered manner, and liquid inlet grooves (324) are provided on a side of the first groove frame (1) and the second groove frame (2) away from the liquid outlet grooves (323), wherein the liquid outlet grooves (323) correspond to the liquid inlet grooves (324) in a one-to-one manner.

6. A square electrolytic cell pole frame structure according to claim 5, characterized in that: The outer sides of the first slot frame (1) and the second slot frame (2) are also provided with docking holes (325) and mounting holes (326); the docking holes (325) are arranged in a staggered manner, and the mounting holes (326) are arranged in a rectangular array around the first slot frame (1) and the second slot frame (2).

7. A square electrolytic cell pole frame structure according to claim 1, characterized in that: The electrolytic element (4) comprises a tie rod (41), wherein the tie rod (41) is fixedly mounted on the inner side of the first slot frame (1) and the second slot frame (2) and is staggeredly distributed; one end of the tie rod (41) passing through the first slot frame (1) and the second slot frame (2) is connected to a first electrode plate (42); the first electrode plate (42) is movably connected to the inner side of the first slot frame (1) and the second slot frame (2); and the second electrode plate (43) is arranged on one end of the tie rod (41) away from the first electrode plate (42).

8. A square electrolytic cell pole frame structure according to claim 7, characterized in that: A diaphragm (44) is provided between the first electrode plate (42) and the second electrode plate (43), and the diaphragm (44) is an ion exchange membrane.

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