CN216426827U

CN216426827U - Interval-adjustable electrolytic tank device

Info

Publication number: CN216426827U
Application number: CN202020836453.9U
Authority: CN
Inventors: 孙江; 董鹏; 邢小龙; 张涛
Original assignee: Shaanxi Youchuang Environmental Protection Technology Co ltd
Current assignee: Shaanxi Youchuang Environmental Protection Technology Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2022-05-03
Anticipated expiration: 2030-05-19

Abstract

An electrolytic cell device with adjustable spacing comprises an electrolytic cell shell, wherein the top of the electrolytic cell shell is provided with an electrolytic cell shell cover; a current-conducting plate is arranged in the electrolytic cell shell, and a binding post is welded on the current-conducting plate; the array pole pieces are fixed on the bottom side of the current conducting plate through fastening bolts; the lower sections of the array of pole pieces are fixed in series through polytetrafluoroethylene screws; firstly, welding a binding post on a current conducting plate, then mounting a pole piece together by using a polytetrafluoroethylene screw and a polytetrafluoroethylene gasket, fixing the pole piece on a guide rail groove of the current conducting plate by using a fastening screw and a nut, finally assembling the assembled electrode into an electrolytic cell shell, and covering the electrolytic cell shell cover; the device has the characteristics of simple structure, low cost, adjustable distance between the cathode and the anode and stable cell voltage.

Description

Interval-adjustable electrolytic tank device

Technical Field

The utility model belongs to the technical field of electrolytic cells, and particularly relates to an electrolytic cell device with an adjustable interval.

Background

The electrolytic bath utilizes direct current to carry out solution oxidation-reduction reaction, the pollution in the sewage is oxidized at the anode and reduced at the cathode or reacts with an electrode reaction product to be converted into harmless components to be separated out. The treatment by electrolysis can be carried out: contaminants in various ionic states, e.g. Cr⁶⁺、Cd²⁺、Pb²⁺、Hg²⁺Etc.; various inorganic and organic oxygen consuming substances, such as sulfides, chlorine, phenols, oils and colored substances, and the like.

The electrolysis method can remove various pollutants at one time, for example, cyanide copper plating sewage is subjected to electrolysis treatment, and Cu is simultaneously oxidized at the anode²⁺Is reduced and deposited at the cathode.

The distance between the cathode and the anode of the electrolytic cell is one of important factors influencing the cell voltage, and the ohmic voltage drop in the cell increases with the increase of the electrode distance.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide an electrolytic cell device with adjustable spacing, which has the characteristics of simple structure, low cost, adjustable spacing between a cathode and an anode and stable cell voltage.

In order to achieve the purpose, the utility model adopts the technical scheme that: an electrolytic cell device with adjustable spacing comprises an electrolytic cell shell, wherein the top of the electrolytic cell shell is provided with an electrolytic cell shell cover; a current-conducting plate is arranged in the electrolytic cell shell, and a binding post is welded on the current-conducting plate; the array pole pieces are fixed on the bottom side of the current conducting plate through fastening bolts; the lower sections of the array of pole pieces are fixed in series through polytetrafluoroethylene screws.

The pole piece comprises a cathode piece and an anode piece, wherein the cathode piece and the anode piece are arranged at intervals.

And a polytetrafluoroethylene gasket is arranged between the cathode sheet and the anode sheet.

And the binding post is provided with a copper stud.

The utility model has the beneficial effects that:

firstly, the structure is as follows:

1) the design of the electrolytic cell is mainly to reasonably select parameters such as polar water ratio, polar distance, current density, electrolysis time and the like according to factors such as the flow of sewage, the type and concentration of pollutants and the like, thereby determining the size of the electrolytic cell.

2) The shell of the electrolytic cell is made of PMMA (polymethyl methacrylate), so that the electrolytic reaction process of the electrolytic cell can be visually observed, and explosion hazard caused by short circuit in the use process can be avoided.

3) The pole pieces of the cathode and the anode are made of pure titanium (TA1), acid and alkali resistance and corrosion resistance are achieved, the distance is designed in an adjustable guide rail mode, the distance between the cathode and the anode can be adjusted as required, the distance between the poles can be adjusted through the number of gaskets between the pole pieces, the use under different conditions can be met, and the cost is greatly saved.

4) The separator allows NaCl solution to pass through the middle of the electrode plate, so that the electrolysis efficiency can be improved by full reaction, and a special structure is used, which is specifically shown in the figure.

Secondly, coating:

1) the coatings were decomposed into multiple coating formulations according to their own developed coating service life.

2) The MMO coating requires pre-treatment blasting of the titanium rod to increase the surface area, thereby increasing conductivity and increasing the bonding strength of the coating.

3) Washing the front surface of the coating with ionized water, and baking; taking out after drying, cooling to room temperature, waiting for coating, arranging the brushing times of the coating according to the service life, and baking at the high temperature of 500 ℃ for 10 minutes after each coating is finished.

The utility model provides an electrolytic cell with adjustable cathode and anode spacing, which solves the limitation of the electrolytic cell with fixed electrode spacing.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of fig. 1 of the present invention.

Fig. 3 is a right side view of fig. 1 of the present invention.

Fig. 4 is a schematic diagram of a conductive plate structure according to the present invention.

Fig. 5 is a schematic diagram of a side view structure of the conductive plate of the present invention.

FIG. 6 is a graph of life test curves of the present invention

Detailed Description

The construction and operation of the present invention will be described in further detail with reference to the accompanying drawings and examples.

Referring to fig. 1-5, an electrolytic cell device with adjustable spacing comprises an electrolytic cell shell 1, wherein an electrolytic cell shell cover 2 is arranged at the top of the electrolytic cell shell 1; a current-conducting plate 3 is arranged in the electrolytic cell shell 1, and a binding post 7 is welded on the current-conducting plate 3; the array pole pieces 4 are fixed on the bottom side of the current conducting plate 3 through fastening bolts 8; the lower sections of the array of pole pieces 4 are fixed in series through polytetrafluoroethylene screws 5.

The pole piece 4 comprises a cathode piece and an anode piece which are arranged at intervals.

And a polytetrafluoroethylene gasket 6 is arranged between the cathode sheet and the anode sheet.

And the binding post is provided with a copper stud.

Referring to fig. 1, the working principle of the present invention is:

the treated water enters the shell of the electrolytic cell from the water inlet, and Cr in the water⁶⁺、Cd²⁺、Pb²⁺、Hg²⁺The equal heavy metal ions are electrolyzed to form rust scale which is adsorbed on a cathode in an electrolytic bath shell, and organic matters in the treated water are subjected to oxidation reaction at the anode to generate CO₂Or low molecular easily degradable substances, achieves the aim of reducing COD, and simultaneously performs electrolytic sterilization and disinfection, killing and killing algae on the water body. The water which is treated by electrolysis and reaches the discharge standard flows out from the water outlet.

The assembly mode is as follows:

1) welding the binding post 7 with the conductive plate 3;

2) installing single pole and anode sheets on the guide rail groove of the current conducting plate by using bolts;

3) the pole pieces 4 (including cathode pieces and anode pieces) are connected by using polytetrafluoroethylene screws 5 and gaskets, and the distance between the poles can be adjusted by using the number of the polytetrafluoroethylene gaskets 6;

4) and assembling the assembled electrode into a PMMA (polymethyl methacrylate) electrolytic cell shell.

Referring to fig. 6, the lifetime test graph has an ordinate indicating current density of the electrode group, an abscissa indicating lifetime, and a curve trend indicating that the lifetime is shortened as the current density is increased.

Claims

1. An electrolytic cell device with adjustable spacing comprises an electrolytic cell shell (1), and is characterized in that an electrolytic cell shell cover (2) is arranged at the top of the electrolytic cell shell (1); a current-conducting plate (3) is arranged in the electrolytic cell shell (1), and a binding post (7) is welded on the current-conducting plate (3); the array pole pieces (4) are fixed on the bottom side of the conductive plate (3) through fastening bolts (8); the lower sections of the array pole pieces (4) are fixed in series through polytetrafluoroethylene screws (5).

2. A spacing-adjustable electrolyzer unit as claimed in claim 1 characterized in that said pole pieces (4) comprise cathode and anode pieces, which are spaced apart.

3. A spacing adjustable electrolyzer unit as claimed in claim 2 characterized in that a teflon spacer (6) is provided between the cathode and anode sheets.

4. The apparatus of claim 1, wherein said terminal posts are provided with copper studs.