CN217809698U

CN217809698U - Anti-clogging anode plate and electrolytic cell comprising same

Info

Publication number: CN217809698U
Application number: CN202220926661.7U
Authority: CN
Inventors: 吴伟; 陈合金; 林永春; 余瑞兴
Original assignee: Guangdong Cawolo Hydrogen Technology Co Ltd
Current assignee: Guangdong Cawolo Hydrogen Technology Co Ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-11-15
Anticipated expiration: 2032-04-20

Abstract

The utility model relates to a prevent anode plate of jam and contain its electrolysis trough, including being used for connecting external water inlet through-hole and water outlet through-hole, still be equipped with aqueous vapor logical groove at the medial surface of anode plate, aqueous vapor logical groove is last to be equipped with water inlet connecting through-hole and water outlet connecting through-hole, is equipped with the switch-on passageway between water inlet connecting through-hole and the water inlet through-hole and/or between water outlet connecting through-hole and the water outlet through-hole, and the switch-on passageway is located the lateral surface of anode plate or the inside of anode plate. The utility model can solve the problem of blockage of the water channel access caused by pressure in the working process of the electrolytic cell.

Description

Anti-clogging anode plate and electrolytic cell comprising same

Technical Field

The utility model relates to an electrolysis trough technical field especially relates to an prevent anode plate of jam and contain its electrolysis trough.

Background

The electrolytic cell is one of the important components in the hydrogen production industry, and how to optimize the structure of the internal electrode frame of the electrolytic cell so as to maximize the hydrogen yield becomes one of the key technologies. The current electrolytic cell generates hydrogen on the cathode plate side of the proton membrane and oxygen on the anode plate side of the proton membrane, when the gas production is large, the two sides of the proton membrane of the electrolytic cell generate high pressure, about 3.0-5.0MPa, and the pressure on the cathode side is greater than that on the anode side, and the pressure on the cathode side or the anode side can deform a relatively soft sealing layer or a filling film layer arranged between the proton membrane and the anode plate, and press the sealing layer or the filling film layer to the anode plate, so that the blockage of the waterway inlet and the waterway outlet of the anode plate is caused, and the normal use of the electrolytic cell is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to solve the technical problem of providing an anti-blocking anode plate and an electrolytic cell comprising the same, which can solve the problem of blocking of the water passage in the working process of the electrolytic cell.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a pair of prevent anode plate of jam, including being used for connecting external water inlet through-hole and water outlet through-hole, still be equipped with aqueous vapor logical groove at the medial surface of anode plate, aqueous vapor leads to and is equipped with water inlet connecting through-hole and water outlet connecting through-hole on the groove, is equipped with the switch-on passageway between water inlet connecting through-hole and the water inlet through-hole and/or between water outlet connecting through-hole and the water outlet through-hole, and the lateral surface of anode plate or the inside of anode plate are located to the switch-on passageway. The volume of the anode plate can be further reduced when the access channels are located on the other side of the anode plate rather than inside the anode plate. In addition, the channel structure of the communication channel can be directly and transversely connected, and a bent structure can be arranged for adjusting the water flow speed according to the requirement.

The utility model discloses preferred technical scheme lies in, and the shape that the aqueous vapor leads to the groove is the rectangle.

The utility model discloses preferred technical scheme lies in, and the water inlet connecting through hole and the water outlet connecting through hole are the diagonal angle setting in the logical inslot of aqueous vapor.

The utility model discloses preferred technical scheme lies in, and the aqueous vapor leads to the groove and still is equipped with a plurality of and is used for the electrically conductive collection electrical bump of anode plate.

The utility model discloses preferred technical scheme lies in, the shape of current collection bump is the rectangle, and the current collection bump is violently erected to align and sets up in order at the logical inslot of aqueous vapor.

The utility model discloses preferred technical scheme lies in, and inlet opening, outlet opening, water inlet connection through-hole and outlet connection through-hole's aperture is the same.

The utility model discloses preferred technical scheme lies in, and the edge of anode plate still is equipped with a plurality of and is used for sealed screw through-hole.

The utility model discloses preferred technical scheme lies in, and the edge of anode plate still is equipped with two hydrogen through-holes.

The utility model discloses preferred technical scheme lies in, and the material of anode plate is TA1.

The utility model also provides an electrolytic tank, including the anti-clogging anode plate according to the above scheme.

The utility model has the advantages that:

the utility model provides a prevent anode plate of jam and contain its electrolysis trough, this design sets up inside the lateral surface or the anode plate of anode plate through connecting external water through hole (intaking and/or go out water through hole) and the switch-on passageway between the aqueous vapor logical groove for the pressure that the electrolysis trough produced in the course of the work can't oppress the water route access & exit of positive electrode through like soft parts such as proton membrane and sealing silica gel or teflon and cause the jam, thereby guarantees electrolysis trough normal use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of an anti-clogging anode plate of the present invention;

fig. 2 is a rear view of an anti-clogging anode plate of the present invention;

FIG. 3 is a perspective view of an electrolytic cell of the present invention;

FIG. 4 is an exploded view of an electrolytic cell of the present invention;

FIG. 5 is an exploded view of an electrolytic cell of the present invention.

In the figure:

11. a water inlet through hole; 12. a water outlet through hole; 2. a water and gas through groove; 21. the water inlet is connected with the through hole; 22. the water outlet is connected with the through hole; 23. collecting bumps; 3. connecting a channel; 31. the water inlet is communicated with the channel; 32. the water outlet is communicated with the channel; 4. a screw through hole; 5. a hydrogen gas through hole; 61 a top plate; 62. a first gasket; 63. a cathode plate; 64. a second gasket; 65. an intermediate electrode plate; 66. an anode plate; 67. a base plate; 68. and a nut.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1-2, the utility model discloses a prevent anode plate of jam, including being used for connecting external water inlet through hole 11 and water outlet through hole 12, still be equipped with aqueous vapor logical groove 2 at the medial surface of anode plate 66 (the medial surface of anode plate 66 is the anode plate and is close to one side of middle electrode plate 65), aqueous vapor logical groove 2 is last to be equipped with water inlet connecting hole 21 and water outlet connecting hole 22, is equipped with transverse connection's switch-on passageway 3 between water inlet connecting hole 21 and the water inlet through hole 11 and between water outlet connecting hole 22 and the water outlet through hole 12, is intake switch-on passageway 31 and play water switch-on passageway 32 respectively. The water inlet communicating channel 31 and the water outlet communicating channel 32 are arranged on the outer side surface of the anode plate. This structure sets up in the lateral surface of anode plate through connecting external water through-hole (intaking through 11 and play water through-hole 12) and aqueous vapor through the switch-on passageway 3 between groove 2 for the pressure that the electrolysis trough produced in the course of the work can't oppress the water route access & exit of positive electrode through like soft membrane parts such as proton membrane and sealed silica gel or teflon, guarantees that the passageway of intaking and play water does not receive the pressure to block up the influence, thereby guarantees that the electrolysis trough uses normally.

In order to simplify the structure and facilitate the subsequent processing of the anode plate, the water-air through groove 2 is rectangular in shape.

Because the anode plate can continuously consume water to generate oxygen in the electrolytic process, in order to ensure that the anode plate is full of water in the electrolytic process and reduce the dry burning condition of the anode plate, the water inlet connecting through hole 21 and the water outlet connecting through hole 22 are further arranged in the water-gas through groove 2 in opposite angles. When the electrolytic cell is used, the water inlet connecting through hole 21 is positioned below the water outlet connecting through hole 22, so that water enters from the lower part and flows out from the upper part.

In order to improve the conductive efficiency of the anode plate, the water vapor through groove 2 is preferably further provided with a plurality of current collection salient points 23 for the conductive of the anode plate. Specifically, the current collection bumps 23 are rectangular, the current collection bumps 23 are arranged in the water-gas through groove 2 in a horizontal-vertical alignment order, the structure is good in electric conduction effect, stable in electrolysis process and uniform in gas production area.

In order to make the water flow of the communicating passage smooth, it is preferable that the hole diameters of the water inlet through hole 11, the water outlet through hole 12, the water inlet connection through hole 21, and the water outlet connection through hole 22 are the same.

In order to improve the pressure-resistant effect of the anode plate and the sealing performance of the anode plate, the edge of the anode plate is preferably provided with 8 screw through holes 4 corresponding to the nuts 68 for sealing.

In order to further simplify the structure of the electrolytic cell, it is preferable that the edge of the anode plate is further provided with two hydrogen gas passing holes 5.

In order to improve the working efficiency of the anode plate, the material of the anode plate is preferably TA1.TA1 belongs to alpha type titanium alloy, is industrial pure titanium alloy, and TA1 has high strength, low density, excellent corrosion resistance and toughness, tensile strength of 350-550MPa, good plasticity, easy processing, forming and welding, and is very suitable for anode material of electrolytic bath.

As shown in fig. 3-5, the utility model discloses an electrolytic tank, including the anti-clogging anode plate as in the above-mentioned scheme, specifically, this electrolytic tank is formed by roof 61, first sealed 62, cathode plate 63, the sealed 64 of second, middle electrode plate 65, the sealed 64 of second, anode plate 66, the sealed 62 of first sealed, bottom plate 67 stack in proper order, and the proton membrane is located between anode plate 66 and the cathode plate 63 to compress tightly the connection through 8 nuts 68. The cross-sectional shapes of the above components are square, and the second gasket 64 is different from the first gasket 62 and has a hollow structure inside. The proton membrane is located within the cell between adjacent anodes and cathodes (the anode comprising both the anode plate and the anode side of the bipolar plate, and the cathode for the same reason). Both sides of the proton membrane are also provided with titanium felt cloth for electric conduction. The material of the sealing gasket can be silicon gel or teflon or other flexible materials. In FIGS. 3 to 5, the proton membrane and the titanium felt in the electrolytic cell are omitted.

The working principle of the electrolytic cell is as follows: the cathode plate and the anode plate of the electrolytic cell are connected with electricity, when direct current passes through the electrolytic cell, water introduced into the electrolytic cell is subjected to oxidation reaction on one side of the proton membrane close to the anode to generate oxygen, and water introduced into the electrolytic cell is subjected to reduction reaction on one side of the proton membrane close to the anode to generate hydrogen. The water flows into the electrolytic cell from the outside continuously, so that hydrogen and oxygen are generated by continuous electrolysis.

While the invention has been described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. The present invention is not intended to be limited to the specific embodiments disclosed herein, and other embodiments that are within the scope of the present invention are intended to be within the claims of this application.

Claims

1. The anti-blocking anode plate is characterized by comprising a water inlet through hole (11) and a water outlet through hole (12) which are used for connecting the outside;

the inner side surface of the anode plate is also provided with a water-gas through groove (2), and the water-inlet connecting through hole (21) and the water-outlet connecting through hole (22) are arranged on the water-gas through groove (2);

a communicating channel (3) is arranged between the water inlet connecting through hole (21) and the water inlet through hole (11) and/or between the water outlet connecting through hole (22) and the water outlet through hole (12);

the communicating channel (3) is arranged on the outer side surface of the anode plate or in the anode plate.

2. The anode plate of claim 1, wherein:

the shape of the water-air through groove (2) is rectangular.

3. The anode plate of claim 1, wherein:

the water inlet connecting through hole (21) and the water outlet connecting through hole (22) are arranged diagonally in the water-air through groove (2).

4. The anode plate of claim 1, wherein:

the water-air through groove (2) is also provided with a plurality of current collection salient points (23) for the conduction of the anode plate.

5. The anode plate of claim 4, wherein:

the current collection salient points (23) are rectangular in shape, and the current collection salient points (23) are arranged in the water and gas through groove (2) in an aligned and ordered mode in the transverse and vertical directions.

6. The anode plate of claim 1, wherein:

the apertures of the water inlet through hole (11), the water outlet through hole (12), the water inlet connecting through hole (21) and the water outlet connecting through hole (22) are the same.

7. The anode plate of claim 1, wherein:

the edge of the anode plate is also provided with a plurality of screw through holes (4) for sealing.

8. The anode plate of claim 1, wherein:

the material of the anode plate is TA1.

9. An anti-clogging electrolytic cell, characterized in that:

an anti-clogging anode plate according to any one of claims 1 to 8.