CN219526820U - Electrolytic copper foil overhead tank - Google Patents

Abstract

The utility model discloses an electrolytic copper foil elevated tank, which comprises: high tank, still include: the partition board is vertically arranged in the high-level tank to divide the high-level tank into a left area and a right area which are communicated up and down; the liquid inlet pipeline is arranged at the top of the high-level tank and is positioned in a range covered by the right area; the additive adding port pipeline is arranged at the top of the high-level tank and is positioned in a range covered by the right area; the overflow port pipeline is arranged on the side wall of the right area and is positioned above the partition plate; the liquid outlet pipeline is arranged at the lower part of the side wall of the left area far away from the partition plate. The utility model has the beneficial effects that the fluid forms strong turbulence and strong convection in the tank, the copper foil additive is fully mixed in the tank to improve the uniformity of the copper foil additive flowing into the branch pipelines, and finally the purposes of improving the quality of the product in the foil producing link and the capability of the whole production process are achieved, and meanwhile, no additional stirring equipment is required.

Description

Electrolytic copper foil overhead tank

Technical Field

The utility model relates to the field of electrolytic copper foil production equipment, in particular to an electrolytic copper foil overhead tank.

Background

With the rapid development of electronic information technology, the ultrathin electrolytic lithium electric copper foil is widely applied. In the actual production process of the electrolytic copper foil, there is a rolled copper foil which is rejected due to rolled process waste and is required to be scrapped beyond the quality guarantee period. If a factory producing tens of thousands of tons of electrolytic copper foil per year needs to peel off about 5 tons of scrapped rolled copper foil every day, most copper foil manufacturers manually peel off scraps by using pliers and blades at present, and the traditional method has quite slow copper foil peeling speed and extremely low working efficiency; one person can only peel one roll at a time: the defects of more operators, high labor intensity and the like exist.

The Chinese patent (CN 202121771904.6) discloses a high-level tank with stable flow, which comprises a tank body, wherein a first liquid inlet and an overflow port are formed in the top wall of the tank body, and a first liquid outlet is uniformly formed in the bottom wall of the tank body. When the electrolyte volume is insufficient, install the baffle to second inlet and second liquid outlet department respectively, start drive assembly drive clamp plate downwardly moving makes the pressure increase of jar body inner chamber to guarantee that the electrolyte that gets into the fine foil machine has stable flow, avoid the bad production of product.

Chinese patent (CN 201020526318.0) discloses a novel overhead tank, which comprises a tank body, a cover body adapted to the tank body and covering the tank body, a fixed stirring impeller extending into the inner cavity of the tank body, a feed inlet along the circumferential direction of the upper part of the side wall of the tank body, and an overflow port slightly lower than the feed inlet, wherein a discharge port is arranged at the lower part of the side wall of the tank body; the fixed stirring impeller is adopted, the stirring effect is automatically generated, the overflow port is arranged, and when the liquid level reaches the height of the overflow port, redundant liquid flows out from the overflow port to keep the liquid level constant, so that the pressure is stable, and the evenly mixed liquid is outwards provided at a stable speed.

At present, in the process flow from copper dissolution to foil production of electrolytic copper foil, most of small copper foil factories adopt traditional high-level tank equipment, the design of the equipment does not make special structural design aiming at the mixing condition of additives in a tank, the poor mixing of the additives in the high-level tank is easily caused, the uniformity of the additives in each tributary of a liquid outlet cannot be ensured, and finally, the product quality of the foil production section is influenced, and the process continuity and stability of the production process are influenced. And large-scale copper foil manufacturing factories generally install impellers in the high-level tanks for stirring and are driven by motors or flow, but corresponding equipment, energy sources and maintenance cost are increased.

Disclosure of Invention

The utility model aims to solve the problems that the existing electrolytic copper foil additive is easy to mix poorly in a high-level tank, finally influences the product quality of a foil production section, influences the process continuity and stability of a production process, is generally stirred by installing impellers in the high-level tank and is driven by a motor or flow, but corresponding equipment, energy sources and maintenance cost are increased accordingly, and the electrolytic copper foil high-level tank with simple structure and low maintenance cost is provided.

The technical scheme of the utility model is as follows: an electrolytic copper foil high-level tank comprising: high tank, still include: the partition board is vertically arranged in the high-level tank to divide the high-level tank into a left area and a right area which are communicated up and down; the liquid inlet pipeline is arranged at the top of the high-level tank and is positioned in a range covered by the right area; the additive adding port pipeline is arranged at the top of the high-level tank and is positioned in a range covered by the right area; the overflow port pipeline is arranged on the side wall of the right area and is positioned above the partition plate; the liquid outlet pipeline is arranged at the lower part of the side wall of the left area far away from the partition plate and is 400-500 mm away from the bottom of the high-level tank.

The improvement of the scheme is that the top of the right area is provided with an observation port which is a round hole with the diameter of 500mm.

A further improvement of the scheme is that the liquid outlet pipeline is communicated with a plurality of liquid outlet branch pipes along the axial direction at intervals.

In the above scheme, the liquid inlet pipelines are two, including the first liquid inlet pipeline and the second liquid inlet pipeline of symmetric distribution at the top in right region, the elbow that is relative each other is installed additional to the bottom of first liquid inlet pipeline and second liquid inlet pipeline, makes the lateral inflow high-level tank of liquid.

One of the additive inlet pipelines in the scheme.

In the above scheme, the extending direction of the overflow port pipeline is right angle with the extending direction of the liquid outlet pipeline.

In the above scheme, the additive adding port pipeline is far away from the liquid outlet pipeline.

The utility model has the beneficial effects that the high-level tank structure is designed, so that strong turbulence and strong convection are formed in the tank by fluid, the copper foil additive is fully mixed in the tank to improve the uniformity of the inflow of the copper foil additive into the branch pipeline, the purposes of improving the quality of a product in a foil producing link and the capability of the whole production process are finally achieved, meanwhile, the installation and stirring of additional equipment are not needed, the corresponding equipment modification maintenance and energy consumption cost is saved, and the high-level tank structure has the advantages of simple structure and low cost, and is suitable for different electrolytic copper foil copper dissolving processes.

Drawings

FIG. 1 is a schematic illustration of the present utility model;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a schematic perspective view of FIG. 1;

in the figure, 1-1 parts of a first liquid inlet pipeline, 1-2 parts of a second liquid inlet pipeline, 2 parts of an overflow port pipeline, 3 parts of an additive adding port pipeline, 4 parts of a partition board, 5 parts of an observation port, 6 parts of a liquid outlet pipeline, 6-1 parts of a first liquid outlet branch pipe, 6-2 parts of a second liquid outlet branch pipe, 6-3 parts of a third liquid outlet branch pipe, 6-4 parts of a fourth liquid outlet branch pipe, 6-5 parts of a fifth liquid outlet branch pipe, 6-6 parts of a sixth liquid outlet branch pipe, 6-7 parts of a seventh liquid outlet branch pipe, 6-8 parts of an eighth liquid outlet branch pipe, 7 parts of a high-level tank.

Description of the embodiments

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1 to 4, the electrolytic copper foil high-level tank includes: the overhead tank 7 further includes: the baffle plate 4 is vertically arranged in the high-level tank to divide the high-level tank into a left area and a right area which are vertically communicated with each other, gaps are reserved between the upper end and the lower end of the baffle plate and the inner bottom and the inner top of the high-level tank, and the left end and the right end of the baffle plate are reliably and hermetically connected with the high-level tank, so that additives enter a liquid outlet pipeline along with fluid from the upper gap and the lower gap of the baffle plate after being fully mixed on one side; the liquid inlet pipeline is arranged at the top of the high-level tank and is positioned in a range covered by the right area; an additive adding port pipeline 3 which is arranged at the top of the overhead tank and is positioned in a range covered by the right area; the overflow port pipeline 2 is arranged on the side wall of the right area and is positioned above the partition plate; and the liquid outlet pipeline 6 is arranged below the side wall of the left area, which is far away from the partition plate. The distance between the liquid outlet pipeline and the bottom of the high-level tank is 400mm, 450mm or 500mm.

As a preferable example of the present utility model, the top of the right area is provided with an observation port 5 through which the liquid flowing state inside the overhead tank can be observed. The observation port is a round hole with the diameter of 500mm.

As another preferred example of the present utility model, the liquid outlet pipe is connected to a plurality of liquid outlet branches along the axial direction thereof at intervals, and the plurality of liquid outlet branches may be, for example, a first liquid outlet branch 6-1, a second liquid outlet branch 6-2, a third liquid outlet branch 6-3, a fourth liquid outlet branch 6-4, a fifth liquid outlet branch 6-5, a sixth liquid outlet branch 6-6, a seventh liquid outlet branch 6-7, and an eighth liquid outlet branch 6-8.

As another preferred embodiment of the utility model, the liquid inlet pipeline comprises a first liquid inlet pipeline 1-1 and a second liquid inlet pipeline 1-2 which are symmetrically distributed at the top of the right area, the first liquid inlet pipeline 1-1 and the second liquid inlet pipeline 1-2 are symmetrically designed, and the bottoms of the first liquid inlet pipeline and the second liquid inlet pipeline are additionally provided with bends which are opposite to each other, so that strong convection is formed to promote the flow of the fluid in the tank, and the mixing degree of the additive in the tank is improved. Of course, there may be only one inlet conduit.

As another preferred embodiment of the present utility model, the extending direction of the overflow port pipe is at right angles to the extending direction of the liquid outlet pipe. And the overflow port is designed in the right area, the liquid outlet is designed in the left area, so that strong convection enhancement is formed to promote the flowing state of fluid in the tank, the mixing degree of the additive in the tank is improved, and meanwhile, a part of the additive enters into deep circulation from the rear, so that a large amount of additive is prevented from directly entering into the liquid outlet.

As another preferred embodiment of the utility model, the additive addition port pipe is designed in the right area, away from the liquid outlet, ensuring adequate mixing of the additive in the tank. 4. The deep depth of the additive adding port pipeline is 500mm-1000mm, such as 500mm, 800mm and 1000mm, from the bottom of the high-level tank.

The working principle of the utility model is as follows: electrolyte is pumped by a centrifugal pump and is pumped into the high-level tank from above through the first liquid inlet pipeline 1-1 and the second liquid inlet pipeline 1-2; after the copper foil additive is prepared, pumping the copper foil additive into a high-level tank from above through an additive adding port pipeline 3 by a metering pump; after the copper foil additive and the electrolyte are fully mixed in the right area of the high-level tank, a part of redundant feed liquid flows out from the overflow port, so that the stability of pressure and liquid level is ensured, the stability of feed liquid flow is ensured, a part of feed liquid flows into the second area from the upper part and the lower part of the partition plate, flows out from the liquid outlet pipeline 6 after flowing again in a series, and is then fed into the raw foil through each liquid outlet branch pipe; during the production process, the state of flow in the tank is observed from the observation port.

Compared with the traditional elevated tank, the utility model has the following advantages: originally, the unreasonable design structure solves the problem that the additive of the electrolytic copper foil is in poor mixing state in the tank, improves the distribution uniformity of the additive in the link, and improves the product quality, the production efficiency and the processing capability of the electrolytic copper foil.

Compared with a CN201020526318.0 overhead tank with a stirring device, the utility model has the following advantages: the mixing device has the advantages that the stirring impeller, the stirring motor and the corresponding matched devices are not required to be additionally arranged, the expected mixing effect can be achieved by simply modifying the high-level tank body structure, the equipment installation, modification, maintenance and energy consumption cost are greatly saved, and the production efficiency is improved.

Compared with CN202121771904.6 with a pressure plate and a high-level groove device for stabilizing the flow of a driver, the utility model has the following advantages: the mixing of the additive and the electrolyte in the tank is preferentially ensured, the uniform and stable liquid supply flow is ensured by shortening the distance between the liquid outlet branch pipes, and the equipment installation and maintenance cost is simply and reliably saved.

Claims (7)

1. An electrolytic copper foil high-level tank comprising: high tank (7), characterized by: further comprises: the partition board (4) is vertically arranged in the high-level tank to divide the high-level tank into a left area and a right area which are communicated up and down; the liquid inlet pipeline is arranged at the top of the high-level tank and is positioned in a range covered by the right area; an additive adding port pipeline (3) which is arranged at the top of the overhead tank and is positioned in a range covered by the right area; the overflow port pipeline (2) is arranged on the side wall of the right area and is positioned above the partition plate; and the liquid outlet pipeline (6) is arranged at the lower part of the side wall of the left area, which is far away from the partition plate.

2. The electrolytic copper foil high-level tank according to claim 1, wherein: an observation port (5) is formed in the top of the right area.

3. The electrolytic copper foil high-level tank according to claim 1, wherein: the liquid outlet pipeline is communicated with a plurality of liquid outlet branch pipes along the axial direction at intervals.

4. The electrolytic copper foil high-level tank according to claim 1, wherein: the liquid inlet pipeline comprises a first liquid inlet pipeline (1-1) and a second liquid inlet pipeline (1-2) which are symmetrically distributed at the top of the right area, and bends which are opposite to each other are additionally arranged at the bottoms of the first liquid inlet pipeline and the second liquid inlet pipeline.

5. The electrolytic copper foil high-level tank according to claim 1, wherein: one of the additive inlet pipes is provided.

6. The electrolytic copper foil high-level tank according to claim 1, wherein: the extending direction of the overflow port pipeline is right angle with the extending direction of the liquid outlet pipeline.

7. The electrolytic copper foil high-level tank according to claim 1, wherein: the additive adding port pipeline is far away from the liquid outlet pipeline.