CN216972698U

CN216972698U - Electrolytic bath

Info

Publication number: CN216972698U
Application number: CN202220610177.3U
Authority: CN
Inventors: 谢玉军
Original assignee: Guangxi Tianyang Guihang Manganese Industry Co ltd
Current assignee: Guangxi Tianyang Guihang Manganese Industry Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-07-15
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses an electrolytic cell, which relates to the field of electrolytic equipment and comprises a box body and a box cover, wherein a plurality of groups of connecting shafts are connected inside the box body, a plurality of groups of positive plates, negative plates and asbestos plates are arranged on the connecting shafts at intervals, the positive plates, the negative plates and the asbestos plates are separated by insulating spacers, positive conductive columns are connected to the top ends of the positive plates, the negative conductive columns penetrate through all the negative plates, conductive rings are arranged at positions contacting the negative plates, insulating columns are arranged at positions contacting the positive plates, a plurality of groups of hydrogen outlet pipes communicated with the inside of the box body are arranged on the box cover, a plurality of groups of oxygen outlet pipes communicated with the inside of the box body are arranged on one side of the top end of the box body, and a hydrogen-oxygen separation membrane is arranged at the upper end of the oxygen outlet pipe at the top end of the box body. The utility model efficiently utilizes the space in the electrolytic cell, improves the electrolytic efficiency, greatly prolongs the service life of the asbestos sheet, reduces the production cost and avoids the explosion accidents of hydrogen and oxygen.

Description

Electrolytic bath

Technical Field

The utility model relates to the field of electrolysis equipment, in particular to an electrolytic cell.

Background

With the development of chemical industry, the development and development of water electrolysis hydrogen production technology are receiving more and more attention and support.

When the existing alkaline electrolytic cell electrolyzes alkaline solution to prepare hydrogen and oxygen, the cathode plate and the anode plate are arranged in the electrolytic cell to be connected with direct current to prepare gas, the hydrogen and the oxygen are easy to mix in the preparation process and reach the mixed explosive concentration, higher detonation risk exists, the space utilization rate in the electrolytic cell is lower, the reaction speed is lower, the sealing performance of the existing electrolytic cell is poorer, insoluble substances are easy to generate after the electrolyte reacts with carbon dioxide in the air, the service life of asbestos pieces is shortened, and the use cost is increased.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide an electrolytic cell, which aims to solve the technical problems that the existing alkaline electrolytic cell has higher deflagration risk, the utilization rate of the space in the electrolytic cell is lower, and the use cost is increased.

In order to achieve the purpose, the utility model provides the following technical scheme: an electrolytic cell comprises a box body and a box cover, wherein a plurality of groups of connecting shafts are connected inside the box body, one end of each connecting shaft is connected to the inner wall of one side of the box body in a clamped mode, the other end of each connecting shaft is connected to the inner wall of the other side of the box body in a clamped mode, a sealing mounting disc is connected outside the box body after the connecting shaft penetrates through the inner wall of the other side of the box body, a plurality of groups of positive plates, negative plates and asbestos plates are arranged on the connecting shafts at intervals, the positive plates, the negative plates and the asbestos plates are separated through insulating spacers, the asbestos plates are arranged between the positive plates and the negative plates on the connecting shafts, positive conductive columns are connected to the top ends of the positive plates, the positive conductive columns penetrate through all the positive plates, conductive rings are arranged at the positions of the positive plates, insulating columns are arranged at the positions of the negative plates, negative conductive columns are connected to the top ends of the negative plates, the negative pole leads electrical pillar and passes all negative pole pieces, and is provided with the conducting ring in the position of contact negative pole piece, is provided with the insulated column in the position of contact positive plate, the top sealing connection of box has the case lid, be provided with the inside hydrogen outlet pipe of multiunit intercommunication box on the case lid, box top one side is provided with the inside oxygen outlet pipe of multiunit intercommunication box, the box top is provided with the oxyhydrogen separating membrane in the upper end of oxygen outlet pipe.

By adopting the technical scheme, a sealed box body structure is arranged, a plurality of groups of positive plates, negative plates and asbestos plates are connected through connecting shafts, the positive plate, the negative plate and the asbestos plate are arranged at intervals, so that the space in the electrolytic cell is efficiently utilized, the contact area with the electrolyte is enlarged, the electrolytic efficiency is improved, meanwhile, the carbon dioxide in the air can be prevented from reacting with the electrolyte to generate insoluble substances, the service life of the asbestos sheet is greatly prolonged, the maintenance frequency of the device is reduced, the production cost is reduced, the different positions of the box body structure are provided with gas outlets of different gases, the upper part of the box body is provided with a separation membrane for preliminary separation of hydrogen and oxygen, after the hydrogen and the oxygen rise from the electrolyte, the hydrogen and the oxygen are separated by the separation membrane and leave the electrolytic cell from the gas outlets at different positions, so that the hydrogen and the oxygen are prevented from being fully mixed in the electrolytic cell and the explosion accident of the hydrogen and the oxygen is avoided.

The utility model is further provided that the bottom end of one side of the box body is connected with an electrolyte inlet pipe, and the electrolyte inlet pipe extends upwards to a position which is equal to the top end of the box body in height.

Through adopting above-mentioned technical scheme, pour into electrolyte into in to the box through the electrolyte inlet pipe.

The utility model is further provided that a liquid level observation window is vertically arranged on the pipe wall of the electrolyte inlet pipe.

Through adopting above-mentioned technical scheme, the height and the box height of electrolyte inlet tube can observe the liquid level height of the inside electrolyte of box through the liquid level observation window.

The utility model is further provided that the pipe wall of the electrolyte inlet pipe is provided with a scale groove at one side of the liquid level observation window.

Through adopting above-mentioned technical scheme, can be convenient know the specific height of liquid level in the box through the scale groove than liquid level in the liquid level observation window and one side.

The utility model is further arranged in such a way that the bottom end of the box body is connected with a liquid outlet pipe.

By adopting the technical scheme, the waste liquid in the box body is discharged through the liquid outlet pipe.

The utility model is further arranged in such a way that the box cover is connected to the top end of the box body through a plurality of groups of connecting bolts, and a sealing assembly is arranged at the joint.

Through adopting above-mentioned technical scheme, guaranteed sealing connection between case lid and the box, prevent that the air from getting into inside the box.

The utility model is further arranged in such a way that the anode conductive column extends out of the box body towards one side of the box body, and the cathode conductive column extends out of the box body towards the other side of the box body.

Through adopting above-mentioned technical scheme, oxygen and hydrogen can be prepared in the beginning that the box outer joint extends the positive pole of box and leads electrical pillar and the negative pole and lead electrical pillar can be convenient.

In summary, the utility model mainly has the following beneficial effects:

1. according to the utility model, the sealed box body structure is arranged, the plurality of groups of positive plates, negative plates and asbestos plates are connected through the connecting shaft, and the positive plates, the negative plates and the asbestos plates are arranged at intervals, so that the space in the electrolytic cell is efficiently utilized, the contact area with the electrolyte is enlarged, the electrolytic efficiency is improved, meanwhile, the phenomenon that carbon dioxide in the air reacts with the electrolyte to generate insoluble substances can be prevented, the service life of the asbestos plates is greatly prolonged, the maintenance frequency of the device is reduced, and the production cost is reduced;

2. according to the utility model, the gas outlets of different gases are arranged at different positions of the box body structure, the separation membrane is arranged at the upper part of the box body to carry out primary separation on hydrogen and oxygen, the hydrogen and the oxygen are separated by the separation membrane after rising from the electrolyte, and leave the electrolytic cell from the gas outlets at different positions, so that the hydrogen and the oxygen are prevented from being fully mixed in the electrolytic cell, and the explosion accident of the hydrogen and the oxygen is avoided.

Drawings

FIG. 1 is a front elevational view of the present invention;

FIG. 2 is an enlarged view of A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of B of FIG. 1 in accordance with the present invention;

FIG. 4 is a left side view of the present invention;

FIG. 5 is a right side view of the present invention;

fig. 6 is a top interior view of the present invention.

In the figure: 1. a box body; 2. a box cover; 3. a connecting shaft; 4. an insulating spacer; 5. a positive plate; 6. a negative plate; 7. asbestos pieces; 8. a positive conductive post; 9. a negative conductive post; 10. conducting rings; 11. an insulating column; 12. a hydrogen-oxygen separation membrane; 13. an oxygen outlet pipe; 14. a hydrogen outlet pipe; 15. an electrolyte inlet pipe; 16. a liquid outlet pipe; 17. a liquid level observation window; 18. a connecting shaft mounting post; 19. and (7) sealing the mounting plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

An electrolytic cell, as shown in fig. 1-6, comprises a box body 1 and a box cover 2, wherein a plurality of groups of connecting shafts 3 are connected inside the box body 1, one end of each connecting shaft 3 is clamped on the inner wall of one side of the box body 1, the other end of each connecting shaft 3 is clamped in a connecting shaft mounting column 18, the connecting shaft mounting column 18 penetrates through the inner wall of the other side of the box body 1, a sealing mounting disc 19 is connected outside the box body 1, positive plates 5, asbestos plates 7 and negative plates 6 which are uniformly arranged on the connecting shafts 3 at intervals are hoisted into the box body 1, the connecting shafts 3 are transversely moved to be inserted into clamping ports on one side of the box body 1, the connecting shaft mounting columns 18 are inserted from the other side of the box body 1 to be matched with the other ends of the connecting shafts 3, components on the connecting shafts 3 and the connecting shafts 3 are fixed in the box body 1, so that the positive plates 5, the asbestos plates 7 and the negative plates 6 are kept in a suspended state in the box body 1, the connecting shaft mounting columns 18 extend out of the box body 1, the side is connected with the sealing mounting disc 19 to ensure the sealing performance in the box body 1, a plurality of groups of positive plates 5, negative plates 6 and asbestos plates 7 are arranged on a connecting shaft 3 at intervals, the plurality of groups of positive plates 5, negative plates 6 and asbestos plates 7 are separated by insulating spacers 4, the asbestos plates 7 are arranged between the positive plates 5 and the negative plates 6 on the connecting shaft 3, the top ends of the plurality of groups of positive plates 5 are connected with positive conductive columns 8, the positive conductive columns 8 penetrate through all the positive plates 5, conductive rings 10 are arranged at positions contacting the positive plates 5, insulating columns 11 are arranged at positions contacting the negative plates 6, the top ends of the plurality of groups of negative plates 6 are connected with negative conductive columns 9, the negative conductive columns 9 penetrate through all the negative plates 6, the conductive rings 10 are arranged at positions contacting the negative plates 6, the insulating columns 11 are arranged at positions contacting the positive plates 5, the top ends of the box body 1 are hermetically connected with a box cover 2, a plurality of hydrogen outlet pipes 14 communicated with the interior of the box body 1 are arranged on the box cover 2, one side of the top end of the box body 1 is provided with a plurality of groups of oxygen outlet pipes 13 communicated with the inside of the box body 1, the upper end of the oxygen outlet pipe 13 at the top end of the box body 1 is provided with a hydrogen-oxygen separation membrane 12, the box cover 2 is covered, the box body 1 with a sealing structure ensures that air is not contacted with electrolyte, the service life of the asbestos sheet 7 is shortened by producing insoluble substances through the reaction of carbon dioxide and the electrolyte, electrolyte is injected into the box body 1 through an electrolyte inlet pipe 15, the anode conductive column 8 and the cathode conductive column 9 which extend out of the box body 1 are electrified to start to produce hydrogen and oxygen, the hydrogen and the oxygen rise in the electrolyte and are separated by the polyimide hydrogen-oxygen separation membrane 12, a large amount of oxygen flows out of the box body 1 from the oxygen outlet pipe 13 at one side of the box body 1, a large amount of hydrogen flows out of the box body 1 from the hydrogen outlet pipe 14 at the top end of the box body 1, the space in the box body 1 is efficiently utilized, the contact area of the electrode sheet and the electrolyte is enlarged, the efficiency of oxygen and hydrogen are prepared to the motor has been improved.

Referring to fig. 1, the bottom end of the box body 1 is connected with a liquid outlet pipe 16, waste liquid in the box body 1 is discharged through the liquid outlet pipe 16, the box cover 2 is connected to the top end of the box body 1 through a plurality of groups of connecting bolts, and a sealing assembly is arranged at the joint, so that sealing connection between the box cover 2 and the box body 1 is ensured, and air is prevented from entering the box body 1.

Please refer to fig. 4, the bottom of one side of the box body 1 is connected with the electrolyte inlet pipe 15, the electrolyte inlet pipe 15 extends upwards to a position with the same height as the top of the box body 1, electrolyte is injected into the box body 1 through the electrolyte inlet pipe 15, a liquid level observation window 17 is vertically arranged on the pipe wall of the electrolyte inlet pipe 15, the height of the electrolyte inlet pipe 15 is equal to the height of the box body 1, the liquid level of the electrolyte inside the box body 1 can be observed through the liquid level observation window 17, the pipe wall of the electrolyte inlet pipe 15 is provided with a scale groove on one side of the liquid level observation window 17, and the specific height of the liquid level in the box body 1 can be conveniently known through the scale groove comparing the liquid level in the liquid level observation window 17 and one side.

Referring to fig. 4 and 5, the positive conductive post 8 extends out of the case 1 to one side of the case 1, the negative conductive post 9 extends out of the case 1 to the other side of the case 1, and the oxygen and hydrogen can be conveniently prepared by connecting the positive conductive post 8 and the negative conductive post 9 extending out of the case 1.

The working principle of the utility model is as follows: the anode plate 5, the asbestos plate 7 and the cathode plate 6 which are evenly installed on the connecting shaft 3 at intervals are hoisted into the box body 1, the connecting shaft 3 is transversely moved to be inserted into a clamping port on one side of the box body 1, the connecting shaft mounting column 18 is inserted from the other side of the box body 1 to be matched with the other end of the connecting shaft 3, the connecting shaft 3 and components on the connecting shaft 3 are fixed in the box body 1, so that the anode plate 5, the asbestos plate 7 and the cathode plate 6 are kept in a suspended state in the box body 1, the sealing mounting disc 19 is connected to one side, extending out of the box body 1, of the connecting shaft mounting column 18 to ensure the sealing performance in the box body 1, the box cover 2 is covered, the box body 1 with a sealing structure ensures that air is not contacted with electrolyte, the insoluble substances produced by the reaction of carbon dioxide and the electrolyte are prevented from shortening the service life of the asbestos plate 7, the electrolyte is injected into the box body 1 through the electrolyte inlet pipe 15, and the anode conductive column 8 and the cathode conductive column 9 which extend out of the box body 1 are electrified, hydrogen and oxygen begin to be produced, hydrogen and oxygen rise in electrolyte, receive the separation of polyimide oxyhydrogen separating membrane 12, and a large amount of oxygen flows out box 1 from the oxygen outlet pipe 13 of box 1 one side, and a large amount of hydrogen flows out box 1 from the hydrogen outlet pipe 14 on box 1 top, and the space in box 1 has been utilized to the efficient, enlarges the area of contact of electrode slice with electrolyte, has improved the efficiency that oxygen and hydrogen were prepared to the motor.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. An electrolytic cell comprising a case (1) and a case lid (2), characterized in that: the connecting box is characterized in that a plurality of groups of connecting shafts (3) are connected inside the box body (1), one ends of the connecting shafts (3) are connected to the inner wall of one side of the box body (1) in a clamped mode, the other ends of the connecting shafts are connected to connecting shaft mounting columns (18), the connecting shaft mounting columns (18) penetrate through the inner wall of the other side of the box body (1), a sealing mounting disc (19) is connected outside the box body (1), a plurality of groups of positive plates (5), negative plates (6) and asbestos plates (7) are arranged on the connecting shafts (3) at intervals, the positive plates (5), the negative plates (6) and the asbestos plates (7) are separated through insulating separating pieces (4), the asbestos plates (7) are arranged between the positive plates (5) and the negative plates (6), a plurality of groups of positive conductive columns (8) are connected to the top ends of the positive plates (5), and the positive conductive columns (8) penetrate through all the positive plates (5), and a conducting ring (10) is arranged at the position contacting the positive pole piece (5), an insulating column (11) is arranged at the position contacting the negative pole piece (6), the top ends of a plurality of groups of negative pole pieces (6) are connected with a negative conducting column (9), the negative conductive column (9) penetrates through all the negative plates (6), and a conductive ring (10) is arranged at the position contacting the negative plates (6), an insulating column (11) is arranged at the position contacting with the positive plate (5), the top end of the box body (1) is hermetically connected with a box cover (2), a plurality of groups of hydrogen outlet pipes (14) communicated with the interior of the box body (1) are arranged on the box cover (2), a plurality of groups of oxygen outlet pipes (13) communicated with the interior of the box body (1) are arranged on one side of the top end of the box body (1), and a hydrogen-oxygen separation membrane (12) is arranged at the upper end of the oxygen outlet pipe (13) at the top end of the box body (1).

2. An electrolytic cell according to claim 1 wherein: the bottom of one side of box (1) is connected with electrolyte inlet tube (15), electrolyte inlet tube (15) upwards extend to the position of being the same height with box (1) top.

3. An electrolytic cell according to claim 2 wherein: and a liquid level observation window (17) is vertically arranged on the pipe wall of the electrolyte inlet pipe (15).

4. An electrolytic cell according to claim 2 wherein: and a scale groove is formed in one side of the liquid level observation window (17) on the pipe wall of the electrolyte inlet pipe (15).

5. An electrolytic cell according to claim 1 wherein: the bottom end of the box body (1) is connected with a liquid outlet pipe (16).

6. An electrolytic cell according to claim 1 wherein: the box cover (2) is connected to the top end of the box body (1) through a plurality of groups of connecting bolts, and a sealing assembly is arranged at the joint.

7. An electrolytic cell according to claim 1 wherein: the positive conductive column (8) extends out of the box body (1) towards one side of the box body (1), and the negative conductive column (9) extends out of the box body (1) towards the other side of the box body (1).