CN211872105U

CN211872105U - Special electrolytic tank for sodium hypochlorite generator

Info

Publication number: CN211872105U
Application number: CN202020094443.2U
Authority: CN
Inventors: 贺诚; 刘勇; 崔向丽
Original assignee: Suzhou Heliyuan Environmental Protection Technology Co ltd
Current assignee: Suzhou Heliyuan Environmental Protection Technology Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-11-06
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a special electrolysis trough of sodium hypochlorite generator, including the casing, be equipped with electrode subassembly in the casing, electrode subassembly includes two binding post and a plurality of sheet electrode boards that extend between two binding post, is equipped with a plurality of free holes that run through sheet electrode board on the sheet electrode board. The utility model discloses a set up a plurality of free holes on the slice plate electrode, increased current density, improved electrolysis efficiency.

Description

Special electrolytic tank for sodium hypochlorite generator

Technical Field

The utility model relates to an antiseptic solution preparation field, in particular to special electrolysis trough of sodium hypochlorite generator.

Background

The sodium hypochlorite generator is one kind of water treatment sterilizing equipment, which produces sodium hypochlorite solution through electrolysis reaction with salt solution as material. Sodium hypochlorite is a strong oxidant and disinfectant, which is generated by diaphragm-free electrolysis of a dilute solution of industrial salt or seawater, which is widely available and inexpensive. To ensure the texture of the sodium hypochlorite is fresh and highly active. Guarantee the disinfection effect, this device takes place on one side, and the sodium hypochlorite that will take place is thrown and is used on the other side. It has the same oxidizing and disinfecting effects as chlorine and chlorine compounds.

SUMMERY OF THE UTILITY MODEL

The utility model provides a special electrolysis trough of modified hypochlorite generator to improve sodium hypochlorite electrolysis efficiency.

The special electrolytic tank for the sodium hypochlorite generator comprises a shell, wherein an electrode assembly is arranged in the shell, the electrode assembly comprises two wiring terminals and a plurality of sheet electrode plates extending between the two wiring terminals, and a plurality of free holes penetrating through the sheet electrode plates are formed in the sheet electrode plates.

The beneficial effects of the embodiment are as follows: the plurality of free holes are formed in the sheet electrode plate, so that the current density is increased, and the electrolysis efficiency is improved.

In some embodiments, the free holes are diamond-shaped holes, square-shaped holes, rectangular holes, or circular holes.

In some embodiments, a plurality of sheet electrode plates are arranged at intervals along a first direction to form a first sheet electrode plate group, a plurality of rows of first sheet electrode plate groups are arranged at intervals along a second direction perpendicular to the first direction, and two ends of each first sheet electrode plate group are electrically connected with the connecting terminal. The first sheet electrode plate group is formed by sheet electrode plates which are adjacent end to end but are spaced, one end of the first sheet electrode plate group is connected with a positive electrode of a power supply, and the other end of the first sheet electrode plate group is connected with a negative electrode of the power supply, so that an electrolysis unit is formed.

In some embodiments, the electrode plate assembly further comprises a second laminar electrode plate group arranged at intervals with the first laminar electrode plate group, the second laminar electrode plate group comprises a plurality of laminar electrode plates arranged at intervals along the first direction and staggered with adjacent laminar electrode plates of the first laminar electrode plate group, and an axis extending along the second direction penetrates through the first laminar electrode plate group and the second laminar electrode plate group and is locked by a nut. The second plate electrode group also serves as an electrode for the electrolytic reaction. The flaky electrode plates in the second flaky electrode plate group and the flaky electrode plates in the first flaky electrode plate group are staggered and locked by a shaft and a nut, so that the independent flaky electrode plates form an integral structure.

In some embodiments, the sheet electrode plates in the first sheet electrode plate group are divided into a plurality of long sheet electrode plates and two short sheet electrode plates, and the short sheet electrode plates are located at two ends of the first sheet electrode plate group.

In some embodiments, the connection terminal includes a conductive connection member and a connection post electrically connected to the connection member, the connection member is provided with a plurality of slots, and the end of the first sheet electrode plate group is inserted into the slots.

In some embodiments, the connecting member includes a first portion and a second portion, the first portion is provided with a slot, the second portion is connected to a side of the first portion facing away from the slot, the terminal post extends out of the housing through the housing, the second portion abuts against an inner wall of the housing, and a sealing ring is used for sealing between the second portion and the inner wall of the housing.

In some embodiments, the electrode assembly further includes two fixing plates located at both sides of the electrode assembly and extending in parallel directions of the sheet-shaped electrode plates, the electrode assembly being connected to the fixing plates. The fixing plate is favorable for the firmness of the sheet electrode plate.

Drawings

FIG. 1 is a front view of an electrolytic cell according to an embodiment of the present disclosure.

FIG. 2 is a top view of the cell shown in FIG. 1.

FIG. 3 is a schematic view of the first and second sheet electrode plate groups in the electrolytic cell of the example shown in FIG. 2 (other sheet electrode plates are hidden in the figure).

FIG. 4 is an enlarged view of a part of an end portion of the electrolytic cell of the embodiment shown in FIG. 2 (in which a part of the sheet-like electrode plate is hidden)

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The special electrolytic tank for the sodium hypochlorite generator comprises a shell 1, wherein an electrode assembly is arranged in the shell 1. In the embodiment shown in fig. 1, the housing 1 is substantially rectangular and comprises a tank 2 and a tank cover 3, wherein the tank cover 3 covers the tank 2 and is connected in a sealing manner. Of course, the shape of the housing 1 is not limited to a rectangular parallelepiped shape, and for example, in some embodiments, the housing 1 may be substantially cylindrical. The case 1 accommodates the electrode assembly and a sodium chloride solution therein. One end of the shell 1 is provided with a liquid inlet 4, and the other end is provided with a liquid outlet 5. Preferably, the liquid inlet 4 is disposed near the bottom of the housing 1, and the liquid outlet 5 is disposed near the upper portion of the housing 1. When sodium chloride solution enters the shell 1 from the liquid inlet 4, the sodium chloride solution flows towards the liquid outlet 5 and flows out from the liquid outlet 5 after being electrolyzed to generate sodium hypochlorite. An exhaust port 6 is provided at an upper portion of the case 1, and hydrogen generated by electrolysis is discharged out of the case 1 through the exhaust port 6.

Referring to fig. 1-2, the electrode assembly includes two terminal blocks 7 and a plurality of tab electrode plates 8 extending between the terminal blocks 7, and the tab electrode plates 8 are provided with a plurality of free holes 9 penetrating the tab electrode plates 8. The electrode assembly extends in a first direction X, with one terminal 7 extending out of the housing 1 from the end provided with the liquid inlet 4 and the other terminal 7 extending out of the housing 1 from the end provided with the liquid outlet 5. The free holes 9 may be diamond shaped, rectangular, square or circular. Through set up a plurality of free holes 9 on flaky electrode board 8, be favorable to increasing the current density during electrolysis, improve sodium hypochlorite preparation efficiency.

Referring to fig. 3, a plurality of sheet electrode plates 8 are disposed at intervals along the first direction X to form a first sheet electrode plate group 10, a plurality of rows of the first sheet electrode plate groups 10 are disposed at intervals along the second direction Y, and two ends of the first sheet electrode plate group 10 are electrically connected to the connecting terminal 7. In fig. 3, the first direction X is a longitudinal direction of the case 1, or a flow direction of the electrolyte, and the second direction Y is perpendicular to the first direction X. One end of the first sheet electrode plate group 10 is electrically connected to one of the connection terminals 7, and the other end is electrically connected to the other connection terminal 7. Specifically, referring to fig. 4, the connection terminal 7 includes a conductive connection member 12 and a connection post 13 electrically connected to the connection member 12, the connection member 12 is provided with a plurality of slots 14, and the end of the first plate-like electrode plate group 10 is inserted into the slots 14. Further, the connecting member 12 includes a first portion 15 and a second portion 16, the first portion 15 is provided with a slot 14, the second portion 16 is connected to a side of the first portion 15 facing away from the slot 14, the terminal 13 extends out of the housing 1 through the housing 1, the second portion 16 abuts against an inner wall of the housing 1, and a sealing ring is used for sealing between the second portion 16 and the inner wall of the housing 1.

With continued reference to fig. 3, the electrode assembly further includes a second laminar electrode plate group 17 disposed between the first laminar electrode plate group 10, the second laminar electrode plate group 17 includes a plurality of laminar electrode plates 8 disposed at intervals along the first direction X and dislocated from the adjacent laminar electrode plates 8 of the first laminar electrode plate group 10, and a shaft 18 extending along the second direction Y penetrates through the first laminar electrode plate group 10 and the second laminar electrode plate group 17 and is fastened by nuts. The shaft 18 is made of an insulating material, such as PVC. The first sheet electrode plate group 10 and the second sheet electrode plate group 17 are disposed with a gap therebetween, and for example, an insulating ring may be fitted around the shaft 18 to separate them from each other, but the present invention is not limited thereto. Each sheet electrode plate 8 in the second sheet electrode plate group 17 has eight shafts 18 passing through, four shafts 18 passing through one sheet electrode plate 8 in the first sheet electrode plate group 10, and the other four shafts 18 passing through the other adjacent sheet electrode plate 8 in the first sheet electrode plate group 10. Referring to fig. 1, fixing plates 19 are respectively disposed at both sides of the electrode assembly, the fixing plates 19 extend in parallel to the sheet-shaped electrode plates, and the electrode assembly is connected to the fixing plates 19. The fixing plate 19 is made of the same material as the sheet electrode plate 8, and has a length equivalent to that of the second sheet electrode plate group 17. The shaft 18 penetrates through the fixing plate 19, the first laminar electrode plate group 10 and the second laminar electrode plate group 17, and is locked by nuts, so that the laminar electrode plate 8 is formed into an integral structure.

In the embodiment shown in fig. 3, the sheet electrode plates in the first sheet electrode plate group 10 are divided into a plurality of long sheet electrode plates 81 and two short sheet electrode plates 82 having a length smaller than that of the long sheet electrode plates 81, and the short sheet electrode plates 82 are located at two ends of the first sheet electrode plate group 10. The sheet electrode plates of the second sheet electrode plate assembly 17 are all long sheet electrode plates 81. The short sheet-like electrode plate 82 is provided with four diamond-shaped free holes 9, and the long sheet-like electrode plate 81 is provided with eight diamond-shaped free holes 9, but the specific number is not limited thereto. The fixing plate 19 is also provided with a free hole 9.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The utility model provides a special electrolysis trough of hypochlorite generator which characterized in that, includes the casing, be equipped with electrode subassembly in the casing, electrode subassembly includes two binding post and two a plurality of slice plate electrodes that extend between the binding post, be equipped with a plurality of free holes that run through on the slice plate electrode.

2. The special electrolyzer for sodium hypochlorite generators of claim 1, characterized in that the free holes are rhombic holes, square holes, rectangular holes or circular holes.

3. The special electrolytic tank for the sodium hypochlorite generator as claimed in claim 1, wherein a plurality of the sheet electrode plates are arranged at intervals along a first direction to form a first sheet electrode plate group, a plurality of rows of the first sheet electrode plate groups are arranged at intervals along a second direction perpendicular to the first direction, and both ends of the first sheet electrode plate groups are electrically connected with the connecting terminals.

4. The special electrolytic cell for the sodium hypochlorite generator according to claim 3, further comprising a second laminar electrode plate group arranged at intervals with the first laminar electrode plate group, wherein the second laminar electrode plate group comprises a plurality of laminar electrode plates which are arranged at intervals along the first direction and staggered with the adjacent laminar electrode plates of the first laminar electrode plate group, and an axis extending along the second direction penetrates through the first laminar electrode plate group and the second laminar electrode plate group and is locked by nuts.

5. The special electrolytic tank for the sodium hypochlorite generator as claimed in claim 4, wherein the sheet electrode plates in the first sheet electrode plate group are divided into a plurality of long sheet electrode plates and two short sheet electrode plates, and the short sheet electrode plates are positioned at two ends of the first sheet electrode plate group.

6. The special electrolytic tank for the sodium hypochlorite generator as claimed in claim 4 or 5, wherein the connecting terminal comprises a conductive connecting piece and a binding post electrically connected with the connecting piece, the connecting piece is provided with a plurality of slots, and the end part of the first plate-shaped electrode plate group is inserted into the slots.

7. The special electrolytic tank for the sodium hypochlorite generator as claimed in claim 6, wherein the connecting piece comprises a first part and a second part, the slot is arranged on the first part, the second part is connected to the side of the first part, which faces away from the slot, the binding post penetrates through the shell and extends out of the shell, the second part abuts against the inner wall of the shell, and the second part and the inner wall of the shell are sealed by a sealing ring.

8. The special electrolytic cell for sodium hypochlorite generators as claimed in claim 4, further comprising two fixing plates, wherein the fixing plates are located at both sides of the electrode assembly and extend in a direction parallel to the sheet-like electrode plates, and the electrode assembly is connected to the fixing plates.