CN213538131U

CN213538131U - Electrolytic tank device for electrode foil formation

Info

Publication number: CN213538131U
Application number: CN202022128250.7U
Authority: CN
Inventors: 张栓; 乔正山; 马坤松
Original assignee: Xinjiang West Hongyuan Electronic Co ltd
Current assignee: Xinjiang West Hongyuan Electronic Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-06-25
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses an electrolytic cell device for electrode foil formation, which comprises a cell body, wherein an overflow recovery device is arranged around the outer wall of the upper part of the cell body to form a composite cell body, a circulation outlet is arranged at the bottom of the cell body, and a guide plate is arranged above the circulation outlet; the area of the guide plate is larger than that of the circulating outlet. The utility model discloses can make the electrolyte circulation more even, improve electrolyte homogeneity, electrolyte temperature homogeneity in the electrolyte for electrochemical reaction is more even when the electrode foil formation, effectively improves the uniformity of electrode foil oxidation film, has reduced the defect of electrode foil oxidation film, has improved the electrical property and the mechanical properties uniformity of product.

Description

Electrolytic tank device for electrode foil formation

Technical Field

The utility model relates to an electrolysis trough technical field especially relates to an electrode foil becomes uses electrolysis trough device.

Background

In the formation process of the electrode foil in the production process, the electrode foil is formed in an electrolytic tank containing electrolyte, the electrolyte containing the electrolyte needs to circulate in the electrolytic tank, the purpose is to utilize a circulating pump, a heater and a heat exchanger, and sometimes a filter is additionally arranged, so that the circulation of the electrolyte in the electrolytic tank is realized to keep the circulation of the electrolyte to reach certain uniformity and temperature stability, and the filter is additionally arranged to remove crystals and impurity particles in the electrolyte.

The existing electrolytic tank device for electrode foil formation is a square tank body, a circulation inlet is arranged at the bottom of one side of the tank body, a circulation outlet is arranged at the upper part of the other side of the tank body, electrolyte in the electrolytic tank of the device enters from the circulation inlet at the lower part of one side, flows to the circulation outlet under the action of a circulation pump through a circulation pipeline and then flows from the upper part of the circulation outlet to the circulation inlet at the lower part of the other side, although the electrolyte can be diffused in the electrolytic tank after flowing out from the circulation outlet, most of the electrolyte flows to the circulation inlet at the other side after flowing out from the circulation outlet under the action of the circulation pump, the circulation of the electrolyte is uneven and insufficient, namely, the concentration of the electrolyte in the electrolytic tank is uneven, the temperature of the electrolyte is uneven and unstable, the main factors influencing electrochemical reaction are the concentration of the electrolyte in the temperature of the electrolyte, the reaction time, however, different electrochemical reaction effects can be generated due to uneven electrolyte concentration and uneven and unstable electrolyte temperature in the electrolytic cell, the purpose of electrode foil formation is to obtain an even aluminum trioxide insulating dielectric film with few defects and a certain voltage withstanding value, and the electric performance and the mechanical performance of the product are poor due to uneven electrolyte concentration and temperature and uneven and more defects of the insulating dielectric film generated by the electrochemical reaction; meanwhile, the electrode foil can generate aluminum hydroxide in the electrolytic cell, the aluminum hydroxide can crystallize after reaching a certain concentration, the aluminum hydroxide is attached to the inner wall of the electrolytic cell and on a conductive polar plate in the electrolytic cell, when the temperature of the electrolyte is unstable for a long time, the aluminum hydroxide crystals can fall off from the inner wall of the electrolytic cell and the polar plate in the electrolytic cell, and the crystals are extruded with the electrode foil after falling off, so that pits and cracks are generated on the electrode foil, the appearance is poor, the production period is shortened, the cost is increased, and the foil breakage can be caused when cracks exist at the edge of the electrode foil, so that the production stop can be directly caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is:

in the traditional electrolytic cell, the electrolyte concentration is not uniform and the electrolyte temperature is not uniform and stable in the circulating process of the electrolyte, and the electrical property and the mechanical property of a product are poor due to the fact that the concentration and the temperature of the electrolyte are not uniform and an insulating dielectric film generated by electrochemical reaction is not uniform and has many defects; when the temperature of the electrolyte is unstable for a long time, the aluminum hydroxide crystals can fall off from the inner wall of the electrolytic cell and the electrode plates in the cell, and the product quality is influenced.

In order to solve the technical problem, the utility model provides an electrolytic cell device for electrode foil formation, which comprises a cell body, wherein an overflow recovery device is arranged around the outer wall of the upper part of the cell body to form a composite cell body, a circulating outlet is arranged at the bottom of the cell body, and a guide plate is arranged above the circulating outlet; the area of the guide plate is larger than that of the circulating outlet.

The bottom of the overflow recovery device is provided with a circulating inlet, and a circulating pipeline is communicated between the circulating inlet and the circulating outlet; the circulating pipeline is sequentially provided with a heater, a circulating pump and a heat exchanger; the liquid inlet of the heater is communicated with the circulating outlet through the circulating pipeline, and the liquid outlet of the heat exchanger is communicated with the circulating outlet.

Preferably, the tank body is of a cube or cuboid structure; the upper edge of the overflow recovery device is slightly higher than the height of the upper edge of the tank body.

Preferably, the circulating outlet is arranged at the center of the bottom of the tank body.

Preferably, the trough body and the overflow recovery device are manufactured in an integrated manner.

Preferably, the area of the guide plate is 2-10 times of the area of the circulating outlet, and the plate type of the guide plate is as follows: flat or curved; the shape of the guide plate is as follows: square, circular, oval or polygonal.

The utility model has the advantages that:

compared with the prior art, the utility model, can make electrolyte circulation more even, improve electrolyte homogeneity, electrolyte temperature homogeneity in the electrolyte, make the electrochemical reaction more even when the electrode foil is formed, effectively improve the uniformity of the electrode foil oxide film, reduce the defect of the electrode foil oxide film, improve the electrical property and the mechanical property uniformity of the product; meanwhile, the appearance quality of the electrode foil is improved, and the qualification rate of products is improved; the production period of electrode foil formation can be prolonged, foil breakage can be reduced, and the production cost can be reduced.

Drawings

FIG. 1 is a side view of an electrolytic cell device for electrode foil formation according to the present invention

FIG. 2 is a plan view of an electrolytic cell device for electrode foil formation according to the present invention;

FIG. 3 is a top view of a prior art electrolytic cell apparatus for electrode foiling;

FIG. 4 is a top view of a prior art electrolytic cell apparatus for electrode foiling;

description of the drawings: 1-a groove body, 2-a circulating outlet, 3-a guide plate, 4-an overflow recovery device, 5-a circulating inlet, 6-a circulating pipeline, 7-a circulating pump, 8-a heater and 9-a heat exchanger.

Detailed Description

In order to better understand the utility model, the following is to the utility model discloses further explain through the embodiment, and the embodiment only is used for explaining the utility model discloses, can not be right the utility model discloses constitute any injecing:

example 1

Referring to fig. 1 and fig. 2, the embodiment discloses an electrolytic cell device for electrode foil formation, which includes a cell body 1, wherein the cell body 1 is in a cube or cuboid structure, an overflow recovery device 4 is arranged around the outer wall of the upper part of the cell body 1, the upper edge of the overflow recovery device 4 is slightly higher than the upper edge of the cell body 1 to form a composite cell body, the cell body 1 and the overflow recovery device 4 can be manufactured in an integrated manner, a circulation outlet 2 is arranged in the center of the bottom of the cell body 1, and a guide plate 3 is arranged above the circulation outlet 2; the area of the guide plate 3 is larger than that of the circulation outlet 2, the area of the guide plate 3 is 2-10 times that of the circulation outlet 2, and the plate type of the guide plate 3 is as follows: flat or curved; the shape of the baffle 3 is: square, circular, oval or polygonal.

The bottom of the overflow recovery device 4 is provided with a circulating inlet 5, and a circulating pipeline 6 is communicated between the circulating inlet 5 and the circulating outlet 2; the circulating pipeline 6 is sequentially provided with a heater 8, a circulating pump 7 and a heat exchanger 9; the liquid inlet of the heater 8 is communicated with the circulating outlet through the circulating pipeline 6, and the liquid outlet of the heat exchanger 9 is communicated with the circulating outlet 2.

During the formation process, the electrolyte is in the tank body 1, the electrolyte contains electrolyte with certain concentration, the electrolyte needs to be circulated in the tank body 1 through the circulating pipeline 6 and the circulating pump 7 in the formation process, the stable concentration and temperature are kept, an exothermic reaction can be generated in the formation process, and the sufficient and uniform circulation of the electrolyte is the key for ensuring the stable concentration and temperature of the electrolyte; the uniformity and stability of the concentration and the temperature of the electrolyte are important guarantees for improving the consistency of the electrode foil oxide film, reducing the defects of the electrode foil oxide film and improving the consistency of the electrical property and the mechanical property of the product.

Meanwhile, the electrode foil can generate aluminum hydroxide in the tank body 1, the aluminum hydroxide can crystallize after reaching a certain concentration and is attached to the conductive polar plates in the tank body 1 and the tank body 1, and when the temperature of the electrolyte is stable, the aluminum hydroxide crystals are not easy to fall off from the inner wall and the polar plates of the tank body 1, so that the production period is prolonged, and the cost is reduced.

Adopt the same electrolyte, under the same condition, adopt the electrolysis trough device among the prior art with the utility model provides an electrode foil becomes uses the electrolysis trough device, becomes the same specification 590VF electrode foil product, and multiple spot sample detects on the electrode foil, the electrolysis trough device among the prior art the utility model provides an electrode foil becomes uses electrolysis trough device product withstand voltage uniformity, the specific volume discrete rate difference:

	detecting a voltage distribution value	Detecting the specific volume dispersion
			Prior Art	592V--600V	5.24％
The utility model discloses	594V--597V	3.16％

The working principle is as follows:

when carrying out the formation process, electrolyte is in the electrolysis trough, electrolyte contains the electrolyte of certain concentration, formation in-process electrolyte needs to pass through circulating line 6, work circulates in cell body 1 through circulating pump 7, circulating pump 7 makes electrolyte follow cell body 1 bottom circulation export 5 blowout, electrolyte receives top guide plate 3 to block, to diffusion all around, flow direction electrolysis trough 1 bottom all around all directions, flow to the top again from the bottom, rise when 1 interior electrolyte liquid level of electrolysis trough surpasss 1 upper limb of electrolysis trough, overflow from 1 upper limb of cell body, the electrolyte that the overflow goes out flows to recovery unit 4 in, then electrolyte is taken away by the circulating pump from the circulation import 5 of overflow recovery unit 4 bottom, form closed circulation through UNICOM circulating line 6.

The details of the present invention are well known to those skilled in the art.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The electrolytic cell device for electrode foil formation is characterized by comprising a cell body (1), wherein an overflow recovery device (4) is arranged at the outer wall of the upper part of the cell body (1) in a surrounding manner to form a composite cell body, a circulating outlet (2) is arranged at the bottom of the cell body (1), and a guide plate is arranged above the circulating outlet (2); the area of the guide plate (3) is larger than that of the circulating outlet (2);

a circulating inlet (5) is formed in the bottom of the overflow recovery device (4), and a circulating pipeline (6) is communicated between the circulating inlet (5) and the circulating outlet (2); the circulating pipeline (6) is sequentially provided with a heater (8), a circulating pump (7) and a heat exchanger (9); the liquid inlet of the heater (8) is communicated with the circulating outlet (2) through the circulating pipeline (6), and the liquid outlet of the heat exchanger (9) is communicated with the circulating outlet (2).

2. An electrolytic cell device for electrode foiling as claimed in claim 1, wherein the circulation outlet (2) is arranged at the central position of the bottom of the cell body (1).

3. The electrolyzer device for electrode foiling as claimed in claim 1, characterized in that the tank body (1) and the overflow recovery device (4) are manufactured in one piece.