A copper melting tank for copper foil production

Abstract

The utility model provides a copper dissolving tank for copper foil production, comprising a copper dissolving tank body, a sulfuric acid inlet pipe, a feeding pipe, a steam inlet pipe, a gas pipe opening, a conveying gas pipe and a one-way air jet opening, a supporting leg is installed on the lower end surface of the copper dissolving tank body, a stirring motor is installed on the lower end surface of the copper dissolving tank body, a rotating rod is installed on the output end of the stirring motor, stirring rods are installed on the left and right end surfaces of the rotating rod, a sulfuric acid inlet pipe is provided on the upper end surface of the copper dissolving tank body, a feeding pipe is provided on the upper end surface of the copper dissolving tank body, a steam inlet pipe is provided on the left end surface of the copper dissolving tank body, a conveying gas pipe is installed on the inner wall of the copper dissolving tank, a gas pipe opening is fixed on the left end surface of the conveying gas pipe and extends out of the copper dissolving tank body, the design enables steam to be quickly and evenly distributed between the tank body and the inner tank, so that the copper sulfate aqueous solution can be quickly heated, so that the chemical reaction of copper with sulfuric acid and oxygen is complete, the speed of electrolytic copper foil is improved, and the utility model has good practicability.

Description

Technical Field

[0001] The utility model is a copper melting pot for copper foil production, belonging to the technical field of copper foil production. Background Art

[0002] Copper foil is made of copper and a certain proportion of other metals. Copper foil is a cathodic electrolytic material, a thin, continuous metal foil deposited on the base layer of the circuit board. As a conductor of the PCB, it is easy to adhere to the insulating layer, accept the printed protective layer, and form a circuit pattern after corrosion. In the manufacturing process of electrolytic copper foil, in order to increase the copper dissolving rate, steam is often used to heat the copper sulfate aqueous solution in the copper dissolving tank to increase the chemical reaction rate of copper with sulfuric acid and oxygen.

[0003] Chinese Patent No.: CN212451674U, a copper dissolving tank for copper foil production, in which steam enters the interlayer between the tank body and the inner tank through a steam inlet pipe, and the heat of the steam conducts heat to the dissolved liquid, but the steam cannot be quickly and evenly distributed between the tank body and the inner tank, so that the copper sulfate aqueous solution cannot be quickly heated, resulting in incomplete chemical reaction of copper with sulfuric acid and oxygen, which reduces the speed of electrolytic copper foil and has poor practicality. Now, a copper dissolving tank for copper foil production is urgently needed to solve the above problems. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a copper dissolving tank for copper foil production to solve the problems raised in the above-mentioned background technology. The utility model has a reasonable structure. The design enables steam to be quickly and evenly distributed between the tank body and the inner tank, so that the copper sulfate aqueous solution can be quickly heated, so that the chemical reaction of copper with sulfuric acid and oxygen is complete, the speed of electrolytic copper foil is improved, and the practicability is good.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a copper dissolving tank for copper foil production, comprising a copper dissolving tank body, a sulfuric acid inlet pipe, a feed pipe, a steam inlet pipe, a gas pipe port, a delivery gas pipe and a one-way air jet port, the lower end surface of the copper dissolving tank body is equipped with a support leg, the lower end surface of the copper dissolving tank body is equipped with a stirring motor, the output end of the stirring motor is equipped with a rotating rod, the left and right end surfaces of the rotating rod are equipped with stirring rods, the upper end surface of the copper dissolving tank body is provided with a sulfuric acid inlet pipe, and the upper end surface of the copper dissolving tank body is provided with a feed pipe;

[0006] A steam inlet pipe is provided on the left end face of the copper dissolving tank body, an air delivery pipe is installed on the inner wall of the copper dissolving tank body, an air delivery pipe opening is fixed on the left end face of the air delivery pipe and extends out of the copper dissolving tank body, a one-way air jet outlet is provided on the front end face of the air delivery pipe, a built-in mixing tank is installed on the lower end face of the copper dissolving tank body, a water delivery pipe is installed on the upper end face of the built-in mixing tank and is fixedly connected to the sulfuric acid inlet pipe, a spray head is provided on the lower end face of the water delivery pipe, and a liquid discharge port is provided on the right end face of the copper dissolving tank body.

[0007] Furthermore, the spray heads are provided in multiple groups, the sizes of the multiple groups of spray heads are equal, and they are fixed at equal intervals on the lower end surface of the water delivery pipe, and the water delivery pipe is provided as a cylindrical structure.

[0008] Furthermore, sealing gaskets are provided between the sulfuric acid inlet pipe and the copper dissolving tank body and the built-in mixing tank, the feed pipe extends into the built-in mixing tank, and the two can be tightly and tightly connected.

[0009] Furthermore, a cavity is formed between the built-in mixing tank and the copper dissolving tank body, a sealing gasket is provided between the cavity and the steam inlet pipe, and a sealing gasket is provided between the drain port and the copper dissolving tank body.

[0010] Furthermore, a discharge port is provided on the lower end surface of the internal part of the built-in mixing tank, the discharge port extends out of the copper dissolving tank body, and a sealing gasket is provided between the discharge port and the built-in mixing tank.

[0011] Furthermore, the one-way jet ports are provided in multiple groups, the multiple groups of the one-way jet ports are equal in size and are fixed at equal distances on the front end surface of the air delivery pipe, and a one-way valve is provided between the one-way jet ports and the air delivery pipe.

[0012] The beneficial effects of the utility model are as follows: the utility model is a copper dissolving tank for copper foil production. Since the utility model adds a steam inlet pipe, a gas pipe opening, a gas delivery pipe and a one-way air jet opening, the design enables the steam to be quickly and evenly distributed between the tank body and the inner tank, so that the copper sulfate aqueous solution can be quickly heated, so that the chemical reaction of copper with sulfuric acid and oxygen is complete, the speed of electrolytic copper foil is improved, and the practicality is good. It solves the problem that the steam in the original copper dissolving tank for copper foil production cannot be quickly and evenly distributed between the tank body and the inner tank, so that the copper sulfate aqueous solution cannot be quickly heated, so that the chemical reaction of copper with sulfuric acid and oxygen is incomplete, the speed of electrolytic copper foil is reduced, and the practicality is poor. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0014] Figure 1This is a structural diagram of a copper melting tank for copper foil production according to the utility model;

[0015] Figure 2 This is a structural cross-sectional view of a copper melting tank for copper foil production according to the utility model;

[0016] Figure 3 This is a partial structural diagram of a copper melting tank for copper foil production according to the utility model;

[0017] In the figure: 1-copper dissolving tank body, 2-support legs, 3-stirring motor, 4-sulfuric acid inlet pipe, 5-feeding pipe, 6-steam inlet pipe, 7-gas pipe outlet, 8-gas delivery pipe, 9-one-way jet outlet, 10-built-in mixing tank, 11-rotating rod, 12-stirring rod, 13-spraying head, 14-water delivery pipe, 15-drainage outlet. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] See also Figure 1-Figure 3 The utility model provides a technical solution: a copper dissolving tank for copper foil production, comprising a copper dissolving tank body 1, a sulfuric acid inlet pipe 4, a feed pipe 5, a steam inlet pipe 6, a gas delivery pipe port 7, a delivery gas pipe 8 and a one-way air jet port 9, a support leg 2 is installed on the lower end surface of the copper dissolving tank body 1, a stirring motor 3 is installed on the lower end surface of the copper dissolving tank body 1, a rotating rod 11 is installed on the output end of the stirring motor 3, stirring rods 12 are installed on the left and right end surfaces of the rotating rod 11, a sulfuric acid inlet pipe 4 is opened on the upper end surface of the copper dissolving tank body 1, and a feed pipe 5 is opened on the upper end surface of the copper dissolving tank body 1;

[0020] A steam inlet pipe 6 is provided on the left end face of the copper-dissolving tank body 1, a delivery air pipe 8 is installed on the inner wall of the copper-dissolving tank body 1, a delivery air pipe port 7 is fixed on the left end face of the delivery air pipe 8 and extends out of the copper-dissolving tank body 1, a one-way air jet port 9 is provided on the front end face of the delivery air pipe 8, a built-in mixing tank 10 is installed on the lower end face of the copper-dissolving tank body 1, a delivery water pipe 14 is installed on the upper end face of the built-in mixing tank 10 and is fixedly connected to the sulfuric acid inlet pipe 4, a spray head 13 is provided on the lower end face of the delivery water pipe 14, and a liquid discharge port 15 is provided on the right end face of the copper-dissolving tank body 1. This design enables the steam to be quickly and evenly distributed between the tank body and the inner tank, so that the copper sulfate aqueous solution can be quickly heated, so that the chemical reaction of copper with sulfuric acid and oxygen is complete, the speed of electrolytic copper foil is improved, and the practicability is good.

[0021] As the first embodiment of the utility model: a sealing gasket is arranged between the sulfuric acid inlet pipe 4 and the copper dissolving tank body 1 and the built-in mixing tank 10, and a plurality of groups of spray heads 13 are arranged, and the plurality of groups of spray heads 13 are equal in size and are equidistantly fixed on the lower end surface of the delivery water pipe 14, and the delivery water pipe 14 is arranged in a cylindrical structure. This design can spray the sulfuric acid liquid evenly through the plurality of groups of spray heads 13, spray the copper foil inside the tank body, generate a chemical reaction, melt it, reduce the dead angle area of ​​the spraying, and effectively increase the area of ​​the copper material receiving the spraying;

[0022] The feed pipe 5 extends into the interior of the built-in mixing tank 10, and the two can be tightly sealed and connected. The design adds copper foil to be electrolyzed through the feed pipe 5. A cavity is formed between the built-in mixing tank 10 and the copper-dissolving tank body 1. A sealing gasket is arranged between the cavity and the steam inlet pipe 6. The design allows steam to enter the cavity, so that the steam conducts heat to the built-in mixing tank 10, heats the copper sulfate aqueous solution, and accelerates the dissolution rate of the copper foil by the sulfuric acid solution. A sealing gasket is arranged between the discharge port 15 and the copper-dissolving tank body 1. The design can discharge the liquid after the steam becomes water through the discharge port 15. A discharge port is opened on the lower end surface of the built-in mixing tank 10, and the discharge port extends out of the copper-dissolving tank body 1. A sealing gasket is arranged between the discharge port and the built-in mixing tank 10. The design can discharge the copper sulfate solution after the reaction is completed.

[0023] There are multiple groups of one-way air jets 9, which are equal in size and equidistantly fixed on the front end surface of the air delivery pipe 8. A one-way valve is provided between the one-way air jets 9 and the air delivery pipe 8. This design can accelerate the floating speed of steam inside the cavity through the multiple groups of one-way air jets 9, so that the steam can be quickly and evenly distributed between the copper dissolving tank body 1 and the built-in mixing tank 10, so that the copper sulfate aqueous solution can be quickly heated, so that the chemical reaction of copper with sulfuric acid and oxygen is complete, and the speed of electrolytic copper foil is improved, which has good practicality.

[0024] As the second embodiment of the utility model: the staff first adds the copper foil to be electrolyzed through the feed pipe 5, adds sulfuric acid liquid into the delivery water pipe 14 through the sulfuric acid inlet pipe 4, and evenly sprays the sulfuric acid liquid through multiple groups of spray heads 13, sprays the copper foil inside the tank body, generates a chemical reaction, melts it, reduces the dead angle area of ​​the spraying, and effectively increases the area of ​​the copper material receiving the spraying, and passes the external steam into the steam inlet pipe 6 so that the steam can enter the cavity, and the floating speed of the steam inside the cavity can be accelerated through multiple groups of one-way air jets 9, so that the steam can be quickly and evenly distributed between the copper dissolving tank body 1 and the built-in mixing tank 10, so that the copper sulfate aqueous solution can be quickly heated, so that the chemical reaction of copper with sulfuric acid and oxygen is complete, and the speed of electrolyzing the copper foil is improved, and the practicality is good. The liquid after the steam becomes water can be discharged through the discharge port 15, and the copper sulfate solution after the reaction is completed can be discharged from the discharge port.

[0025] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0026] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as screws, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A copper dissolving tank for copper foil production, comprising a copper dissolving tank body, a sulfuric acid inlet pipe, a feed pipe, a steam inlet pipe, a gas delivery pipe, a gas delivery pipe and a one-way air jet, characterized in that: The copper dissolving tank body is provided with a support leg at the lower end surface, a stirring motor is provided at the lower end surface of the copper dissolving tank body, a rotating rod is provided at the output end of the stirring motor, stirring rods are provided at the left and right end surfaces of the rotating rod, a sulfuric acid inlet pipe is provided at the upper end surface of the copper dissolving tank body, and a feed pipe is provided at the upper end surface of the copper dissolving tank body; A steam inlet pipe is provided on the left end face of the copper dissolving tank body, an air delivery pipe is installed on the inner wall of the copper dissolving tank body, an air delivery pipe opening is fixed on the left end face of the air delivery pipe and extends out of the copper dissolving tank body, a one-way air jet outlet is provided on the front end face of the air delivery pipe, a built-in mixing tank is installed on the lower end face of the copper dissolving tank body, a water delivery pipe is installed on the upper end face of the built-in mixing tank and is fixedly connected to the sulfuric acid inlet pipe, a spray head is provided on the lower end face of the water delivery pipe, and a liquid discharge port is provided on the right end face of the copper dissolving tank body.

2. The copper melting tank for copper foil production according to claim 1, characterized in that: The spray heads are arranged in multiple groups, the sizes of the spray heads are equal, and they are fixed at equal distances on the lower end surface of the water delivery pipe, and the water delivery pipe is arranged in a cylindrical structure.

3. The copper melting tank for copper foil production according to claim 1, characterized in that: Sealing pads are arranged between the sulfuric acid inlet pipe, the copper dissolving tank body and the built-in mixing tank, the feed pipe extends into the built-in mixing tank, and the two can be closely and sealingly connected.

4. The copper melting tank for copper foil production according to claim 1, characterized in that: A cavity is formed between the built-in mixing tank and the copper dissolving tank body, a sealing gasket is arranged between the cavity and the steam inlet pipe, and a sealing gasket is arranged between the drain port and the copper dissolving tank body.

5. The copper melting tank for copper foil production according to claim 1, characterized in that: A discharge port is provided on the lower end surface of the internal part of the built-in mixing tank, the discharge port extends out of the copper dissolving tank body, and a sealing gasket is provided between the discharge port and the built-in mixing tank.

6. The copper melting tank for copper foil production according to claim 1, characterized in that: The one-way jet ports are provided in multiple groups, the sizes of the multiple groups of one-way jet ports are equal, and they are fixed at equal distances on the front end surface of the air delivery pipe, and a one-way valve is provided between the one-way jet ports and the air delivery pipe.

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