Electrolytic copper foil additive heat preservation device

Abstract

The utility model discloses a heat preservation device for an electrolytic copper foil additive. The heat preservation device comprises an additive tank, a plurality of annular heating strips are arranged, and the plurality of annular heating strips are distributed on the outer wall of the additive tank at intervals up and down; the plurality of circuits are arranged, and one ends of the plurality of circuits are respectively connected with the plurality of corresponding annular heating strips; and the temperature controller is connected with the other ends of the plurality of lines. The device has the beneficial effects that the problem of long heat preservation and heating time of an additive during industrial large-scale system batch production of lithium battery copper foils is solved, the deionized water is heated by adopting the electric induction wire, the heating time is short, the method is simple and convenient, and short-time preparation and heat preservation of a large number of additives at a certain temperature can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrolytic copper foil technical field especially relates to a kind of electrolytic copper foil additive heat preservation device. BACKGROUND

[0002] The application field of electrolytic copper foil mainly has electronic field PCB circuit board, 5G high-speed high-frequency communication, lithium battery negative current collector and the like, which is mainly prepared by electrolytic copper sulfate method, the thickness is 3-100 microns, and the process flow is copper wire---adding sulfuric acid, configuring copper sulfate solution---configuring additive---mixing into copper sulfate electrolyte---foil machine foil---surface anti-oxidation treatment---winding---slitting---quality inspection---warehousing.Additive mainly plays the role of wetting, brightness, leveling, fine grain and the like in electrolytic copper foil.With product upgrade iteration, high-strength lithium battery copper foil gradually increases in recent period, and the high-resistant agent used for these high-performance copper foils needs to be used at 40-70 ℃ due to the material properties.

[0003] Liu Shitao, Tang Haifeng, Zhang Xiaolong, etc. in Chinese invention patent (publication number CN109224899A) "electrolytic copper foil additive heating and heat preservation system" discloses an electrolytic copper foil additive heating and heat preservation system, including additive tank and heating tank, the outer side of additive tank is provided with heating jacket, heating jacket is coverless cylinder and the inner diameter of heating jacket is greater than the outer diameter of additive tank, heating jacket is sleeved on the outer side of additive tank from the lower end of additive tank, the upper end of heating jacket extends inwardly and is sealed and fixed on the outer side of additive tank, the gap between the inner wall of heating jacket and the outer wall of additive tank is closed heating water cavity, the upper end side of heating jacket is communicated with the upper end side of heating tank through backwater pipe, the lower end side of heating jacket is communicated with the lower end side of heating tank through conveying pipe, and conveying pump is arranged on the conveying pipe, heating disc is arranged in heating tank. Qin Shengyi, Wang Weikun, Jian Cong, etc. in "heat preservation liquid storage tank and liquid additive filling system" Chinese utility model patent (publication number CN206142165U) relates to a heat preservation liquid storage tank and a liquid additive filling system. The heat preservation liquid storage tank has an inner container that is sealingly connected to the top and bottom of the heat preservation liquid storage tank and separates the heat preservation liquid storage tank into a liquid storage inner tank and a water storage outer tank. The water storage outer tank is provided with a heating device. Li Xiaohan, Meng Jianlong, Yang Yibo, etc. in "additive water bath heating tank for electrolytic copper foil production" Chinese utility model patent (publication number CN215743050U) relates to an additive water bath heating tank for electrolytic copper foil production. The tank body, top cover, and stirring mechanism are included. The stirring mechanism includes a motor arranged outside the tank body, a stirring shaft arranged inside the tank body, and a motor support arranged at the top end of the top cover. The top end of the stirring shaft extends upward and out of the top cover. The output shaft of the motor extends downward and connects with the top end of the stirring shaft. A high-purity water inlet pipe is arranged on the top cover. An inlet opening is also arranged on the top cover. A stirring paddle is arranged on the stirring shaft. The utility model designs a stirring mechanism in the heating tank, which can fully stir the additives in the electrolyte, improve the uniformity of the additives and electrolyte, and prevent the phenomenon of uneven stirring of grain refining agent (additives).

[0004] The above patents mainly involve water bath tube wall heating, transfer heating, direct heating disc heating, etc. In the field of lithium battery copper foil additives, they all involve external hot water source problems. Utility model content

[0005] The problem to be solved by the utility model is that the existing additive heat preservation tank heating method uses hot water source to transfer heat, the temperature difference is small, the heating time is long, and the configuration of additives is affected during industrialized mass production. Therefore, an electrolytic copper foil additive heat preservation device is provided.

[0006] The utility model discloses a technical scheme is: electrolytic copper foil additive heat preservation device, include: additive tank, annular heating strip, the annular heating strip has a plurality of, a plurality of annular heating strips are spaced distribution on the outer wall of additive tank, circuit, the circuit has a plurality of, and one end of a plurality of circuits is connected with corresponding plurality of annular heating strip respectively, temperature controller, temperature controller is connected with the other end of a plurality of circuits.

[0007] The improvement of the above scheme is further comprising: a heat preservation layer is wrapped around the outer wall of the additive tank.

[0008] Further improvement of the above scheme is that the bottom of the additive tank is connected with a metering pump through a pipeline.

[0009] Further improvement of the above scheme is that a filter is connected to the pipeline.

[0010] Further improvement of the above scheme is that a valve is connected to the pipeline.

[0011] In the above scheme, a stirring motor is installed on the top of the additive tank.

[0012] The utility model discloses the beneficial effect is to solve the industrialization big system batch production lithium electricity copper foil, and additive heat preservation and heating time long problem, adopts inductive silk heating deionized water, and heating time is short, and the method is simple and convenient to realize a large amount of additive under certain temperature short time configuration and heat preservation. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model discloses a schematic diagram;

[0014] In the drawing, 1, stirring motor, 2, additive tank, 3, annular heating strip, 4, heat preservation cotton, 5, temperature controller, 6, circuit, 7, pipeline, 8, filter, 9, metering pump, 10, valve. DETAILED DESCRIPTION

[0015] The utility model will be further described below in connection with the drawings.

[0016] As Figure 1 shown, an electrolytic copper foil additive heat preservation device includes: an additive tank 2; annular heating strips 3, the annular heating strips have a plurality of, and a plurality of annular heating strips are spaced distribution on the outer wall of the additive tank; circuits 6, the circuits have a plurality of, and one end of a plurality of circuits is connected with corresponding plurality of annular heating strip respectively; a temperature controller 5, the temperature controller is connected with the other end of a plurality of circuits.

[0017] Its working principle is as follows: the electrolytic copper foil production process is that copper wire is added into sulfuric acid, copper sulfate solution is configured, additives are configured, additives are mixed into copper sulfate electrolyte, foil machine foils, surface oxidation prevention treatment, winding, slitting, quality inspection and warehousing. In the field of lithium battery copper foil, the specific additive is dissolved at room temperature and is clumped, needs to be dissolved in hot water to dilute and evenly blend into a large system circulation, and it is necessary to add additives in industrial production of copper foil for a short time and to realize heat preservation.

[0018] The utility model discloses an additive heating and heat preservation device for electrolytic copper foil production, and the working process is as follows: the additive water bath heating tank is designed with annular heating strips on the outer side of the tank, and a stirring motor is installed inside, which can heat, stir and preserve the additives, reduce the risk of inconsistent concentration of additives caused by incomplete dissolution of additives, improve the uniformity of additives added into electrolyte, and prevent uneven stirring of additives and affect the improvement of copper foil performance.

[0019] It also includes a heat preservation layer 4 wrapped around the outer wall of the additive tank. The outer wall of the additive tank is wrapped with heat preservation cotton to achieve heat preservation and prevent burns, and is easy to disassemble and assemble. The bottom of the additive tank is connected to a metering pump 9, a filter 8 and a valve 10 through a pipeline. A stirring motor 1 is installed on the top of the additive tank.

[0020] The utility model discloses an additive heating and heat preservation device, and the working process is as follows: one or more kinds of solid or liquid additives are mixed with deionized water, and the additive solution tank 2 is added with additives, the temperature is adjusted by the temperature controller 5, the annular heating strip heats the ion water to a certain temperature, and the additive solution of fixed concentration is formed after uniform stirring by the stirring motor 1 for a period of time, the valve 10 is in open state, the metering pump 9 controls the flow of additive liquid, passes through the filter 8, and the pipeline 7 controls the direction of blending into a large system circulation. The additive solution needs the temperature controller 5 to maintain a certain temperature during use, the heat preservation cotton 4 is heat preservation and prevents heat loss, reduces power consumption and the risk of burns caused by touching the tank by workers.

[0021] In the additive device, the bottom of the additive tank is designed in a conical shape, the lowest end is 10-100mm higher than the bottom, and the bottom has a self-flowing pipeline.

[0022] The additive tank has stirring paddles, which are provided with at least two stages of stirring blades in straight line or spiral shape, wherein the blade end face is 10-50mm away from the tank wall; the stirring shaft is driven by a top stirring motor. There are three annular heating strips, which can quickly heat the deionized water to a certain temperature, and the number of annular heating strips can be increased or decreased according to needs. The additive tank uses metal annular heating strips to heat the deionized water through the tank body, the temperature of the annular heating strip is as high as 200℃, the heating efficiency is high, and the annular heating strip is easy to disassemble and assemble. The metal annular heating strip of the additive tank does not directly contact the additive, and part of the additive that is not resistant to high temperature will not be caused to fail.

[0023] In the drawings, the position relationship is only used for exemplary illustration, and cannot be understood as a limitation to the utility model; obviously, the above-mentioned embodiments of the utility model are only examples for clearly illustrating the utility model, and are not a limitation to the implementation mode of the utility model. For ordinary skilled in the art, on the basis of the above-mentioned description, other different forms of changes or changes can be made. Here, it is not necessary and impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement, etc. made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A heat preservation device for electrolytic copper foil additives, characterized in that it comprises: An additive tank (2); a plurality of annular heating strips (3) are arranged on the outer wall of the additive tank at intervals; a plurality of lines (6) are connected to the corresponding annular heating strips at one end; a temperature controller (5) is connected to the other end of the lines.

2. The electrolytic copper foil additive holding device according to claim 1, characterized by: Further comprising: A heat preservation layer (4) is wrapped on the outer wall of the additive tank.

3. The electrolytic copper foil additive holding device according to claim 1, characterized by: The bottom of the additive tank is connected to a metering pump (9) through a pipeline (7).

4. The electrolytic copper foil additive holding device according to claim 3, characterized by: A filter (8) is connected to the pipeline.

5. The electrolytic copper foil additive holding device according to claim 3 or 4, characterized by: A valve (10) is connected to the pipeline.

6. The electrolytic copper foil additive holding device according to claim 1, characterized by: A stirring motor (1) is installed on the top of the additive tank.

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