阅读说明：本技术 低温溶铜灌 (Low-temperature copper dissolving tank ) 是由 王海军 张志� 王双陆 王朋举 于 2021-07-30 设计创作，主要内容包括：本发明涉及一种低温溶铜灌,包括罐体,罐体底部侧壁开设进气口以及排液口,所述罐体上部侧壁开设抽风口,所述进气口与生箔机的酸雾出口形成管道连接；盖板组件,设置于罐体上端的罐口,所述盖板组件适于控制罐口的启闭；喷淋装置,所述喷淋装置的各个喷头安装在盖板组件上,所述喷头适于向罐体内喷淋硫酸溶液。使用从生箔机酸雾抽风管道排出的酸气来提供氧气、反应温度,不仅可以提高反应速率,还可以将酸气中夹杂的部分硫酸铜气体/颗粒吸收,这样既可以将算酸气中的硫酸铜回收利用,还可以降低酸雾净化塔吸收的酸气,达到节能、环保的作用。(The invention relates to a low-temperature copper-dissolving tank which comprises a tank body, wherein the side wall of the bottom of the tank body is provided with an air inlet and a liquid outlet, the side wall of the upper part of the tank body is provided with an air suction opening, and the air inlet is connected with an acid mist outlet of a foil-producing machine through a pipeline; the cover plate assembly is arranged at the tank opening at the upper end of the tank body and is suitable for controlling the opening and closing of the tank opening; and each spray head of the spray device is arranged on the cover plate component, and the spray head is suitable for spraying sulfuric acid solution into the tank body. The acid gas exhausted from the acid mist exhaust pipeline of the foil forming machine is used for providing oxygen and reaction temperature, so that the reaction rate can be increased, and part of copper sulfate gas/particles mixed in the acid gas can be absorbed, so that the copper sulfate in the acid gas can be recycled, the acid gas absorbed by the acid mist purification tower can be reduced, and the effects of energy conservation and environmental protection are achieved.)

1. A low-temperature copper-dissolving tank is characterized by comprising

The device comprises a tank body, wherein the side wall of the bottom of the tank body is provided with an air inlet and a liquid outlet, the side wall of the upper part of the tank body is provided with an air suction opening, and the air inlet is connected with an acid mist outlet of a foil generating machine through a pipeline;

the cover plate assembly is arranged at the tank opening at the upper end of the tank body and is suitable for controlling the opening and closing of the tank opening;

and each spray head of the spray device is arranged on the cover plate component, and the spray head is suitable for spraying sulfuric acid solution into the tank body.

2. The low-temperature copper-dissolving tank as claimed in claim 1,

the cover plate assembly comprises a middle cover, a left cover and a right cover;

the middle cover is fixedly arranged in the middle of the tank opening, the middle cover separates the tank opening into a left tank opening and a right tank opening, the left cover is rotatably connected with the left side of the middle cover, the left cover is suitable for covering the left tank opening, the right cover is rotatably connected with the right side of the middle cover, and the right cover is suitable for covering the right tank opening.

3. The low-temperature molten copper tank as set forth in claim 2,

the spraying device comprises a main spraying pipe, a left spraying branch pipe, a right spraying branch pipe and a plurality of spray heads;

hollow water storage cavities are formed in the left cover and the right cover, and each spray head is respectively arranged on the lower surfaces of the left cover and the right cover and is respectively communicated with the left hollow water storage cavity and the right hollow water storage cavity;

the water inlet pipe of the left spraying branch pipe is connected with the spraying main pipe, and the water outlet end of the left spraying branch pipe is connected with the hollow water storage cavity of the left cover;

the water inlet pipe of the right spraying branch pipe is connected with the spraying main pipe, and the water outlet end of the right spraying branch pipe is connected with the hollow water storage cavity of the right cover.

4. The low-temperature copper-dissolving tank as claimed in claim 3,

the middle cover is internally provided with a hollow water storage cavity, the water outlet end of the spraying main pipe is connected with a middle branch pipe, the middle branch pipe is connected with the hollow water storage cavity of the middle cover, and the lower surface of the middle cover is provided with a plurality of spray heads.

5. The low-temperature copper-dissolving tank as claimed in claim 4,

the spraying main pipe is provided with a main valve, the left spraying branch pipe is provided with a left valve, and the right spraying branch pipe is provided with a right valve.

6. The low-temperature molten copper tank as set forth in claim 2,

the middle cover is provided with a flip mechanism which is respectively connected with the left cover and the right cover on the two sides so as to control the opening and closing of the left tank opening and the right tank opening.

7. The low-temperature copper-dissolving tank as claimed in claim 6,

the flip mechanism comprises a motor, a left chain and a right chain;

one end of the left chain is fixedly connected with the left cover, and the other end of the left chain is fixedly connected with the motor rotating shaft;

and one end of the right chain is fixedly connected with the right cover, and the other end of the right chain is fixedly connected with the motor rotating shaft.

8. The low-temperature copper-dissolving tank as claimed in claim 1,

the liquid outlet is connected with the dirty liquid tank through a pipeline.

9. The low-temperature copper-dissolving tank as claimed in claim 1,

the air suction opening is connected with the acid mist purification tower through a pipeline.

Technical Field

The invention relates to the technical field of electrolytic copper foil production, in particular to a low-temperature copper dissolving tank.

Background

In the production of electrolytic copper foil, the first step is to dissolve copper sulfate solution, and the main influencing factors influencing the copper dissolution reaction efficiency are oxygen, reaction temperature and reaction area. The existing copper dissolving tank and the existing copper dissolving method mainly comprise low-temperature soaking type copper dissolving and high-temperature steam type copper dissolving, but the low-temperature soaking type copper dissolving has the problem of low copper dissolving efficiency, and the high-temperature steam type copper dissolving has the problem of high temperature rise/heat preservation cost.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the low-temperature copper dissolving tank is provided, and the problem of low efficiency of the low-temperature copper dissolving at present is solved.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a low-temperature copper-dissolving tank is provided, which comprises

The device comprises a tank body, wherein the side wall of the bottom of the tank body is provided with an air inlet and a liquid outlet, the side wall of the upper part of the tank body is provided with an air suction opening, and the air inlet is connected with an acid mist outlet of a foil generating machine through a pipeline;

the cover plate assembly is arranged at a tank opening at the upper end of the tank body and is suitable for controlling the opening and closing of the tank opening;

and each spray head of the spray device is arranged on the cover plate component, and the spray head is suitable for spraying sulfuric acid solution into the tank body.

Further, the cover plate assembly comprises a middle cover, a left cover and a right cover;

the middle cover is fixedly arranged in the middle of the tank opening, the middle cover separates the tank opening into a left tank opening and a right tank opening, the left cover is rotatably connected with the left side of the middle cover, the left cover is suitable for covering the left tank opening, the right cover is rotatably connected with the right side of the middle cover, and the right cover is suitable for covering the right tank opening.

Further, the spraying device comprises a main spraying pipe, a left spraying branch pipe, a right spraying branch pipe and a plurality of spray heads;

hollow water storage cavities are formed in the left cover and the right cover, and each spray head is respectively arranged on the lower surfaces of the left cover and the right cover and is respectively communicated with the left hollow water storage cavity and the right hollow water storage cavity;

the water inlet pipe of the left spraying branch pipe is connected with the spraying main pipe, and the water outlet end of the left spraying branch pipe is connected with the hollow water storage cavity of the left cover;

the water inlet pipe of the right spraying branch pipe is connected with the spraying main pipe, and the water outlet end of the right spraying branch pipe is connected with the hollow water storage cavity of the right cover.

Furthermore, a hollow water storage cavity is formed in the middle cover, the water outlet end of the spraying main pipe is connected with a middle branch pipe, the middle branch pipe is connected with the hollow water storage cavity of the middle cover, and a plurality of spray heads are arranged on the lower surface of the middle cover.

Further, the main spray pipe is provided with a main valve, the left spray branch pipe is provided with a left valve, and the right spray branch pipe is provided with a right valve.

Furthermore, a flip mechanism is arranged on the middle cover and is respectively connected with the left cover and the right cover on the two sides so as to control the opening and closing of the left tank opening and the right tank opening.

Further, the cover turning mechanism comprises a motor, a left chain and a right chain;

one end of the left chain is fixedly connected with the left cover, and the other end of the left chain is fixedly connected with the motor rotating shaft;

and one end of the right chain is fixedly connected with the right cover, and the other end of the right chain is fixedly connected with the motor rotating shaft.

Furthermore, the liquid outlet is connected with the dirty liquid tank through a pipeline.

Further, the air suction opening is connected with the acid mist purification tower through a pipeline.

The invention has the beneficial effects that:

the low-temperature copper dissolving tank provided by the invention uses the acid gas exhausted from the acid mist exhaust pipeline of the foil forming machine to provide oxygen and reaction temperature, so that the reaction rate can be improved, and part of copper sulfate gas/particles mixed in the acid gas can be absorbed, thus the copper sulfate in the acid gas can be recycled, the acid gas absorbed by the acid mist purification tower can be reduced, and the effects of energy conservation and environmental protection are achieved.

Each atomizing nozzle arranged in the copper dissolving tank can increase the reaction area of the sulfuric acid and the copper oxide, thereby increasing the reaction rate.

Drawings

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

FIG. 1 shows the low-temperature copper-dissolving tank of the present invention

FIG. 2 is a cover assembly and flip mechanism assembly view;

wherein, 1, a tank body;

2. a cover plate component 21, a middle cover 22, a left cover 23 and a right cover;

3. the spraying device comprises a spraying device 31, a spraying main pipe 32, a left spraying branch pipe 33, a right spraying branch pipe 34, a middle branch pipe 35 and a spray head;

41. main valve, 42, left valve, 43, right valve;

5. a sewage tank;

6. an acid mist purification tower;

7. a foil forming machine;

8. a flip mechanism 81, a motor 82, a left chain 83 and a right chain.

Detailed Description

The invention will now be further described with reference to the accompanying drawings. These drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1 and fig. 2, the low-temperature copper melting tank comprises a tank body 1, wherein the side wall of the bottom of the tank body 1 is provided with an air inlet and a liquid outlet, the side wall of the upper part of the tank body 1 is provided with an air suction opening, and the air inlet is connected with an acid mist outlet of a foil forming machine 7 through a pipeline;

the cover plate component 2 is arranged at a tank opening at the upper end of the tank body 1, and the cover plate component 2 is suitable for controlling the opening and closing of the tank opening;

and each spray head 35 of the spray device 3 is arranged on the cover plate component 2, and the spray heads 35 are suitable for spraying sulfuric acid solution into the tank body 1.

As an alternative embodiment in this embodiment, as shown in fig. 2, the cover plate assembly 2 includes a middle cover 21, a left cover 22, and a right cover 23;

middle lid 21 is done fixed setting in jar mouth middle part, middle lid 21 separates the jar mouth for left jar mouth and right jar mouth, left side lid 22 forms to rotate with middle lid 21 left side and is connected, left side lid 22 is suitable for the lid to close left jar mouth, right side lid 23 forms to rotate with middle lid 21 right side and is connected, right side lid 23 is suitable for the lid to close right jar mouth.

As an alternative implementation manner in this embodiment, as shown in fig. 2, the spraying device 3 includes a main spraying pipe 31, a left branch spraying pipe 32, a right branch spraying pipe 33, and a plurality of spray heads 35;

hollow water storage cavities are formed in the left cover 22 and the right cover 23, and each spray head 35 is installed on the lower surfaces of the left cover 22 and the right cover 23 and is communicated with the left hollow water storage cavity and the right hollow water storage cavity respectively;

the water inlet pipe of the left spray branch pipe 32 is connected with the spray main pipe 31, and the water outlet end of the left spray branch pipe 32 is connected with the hollow water storage cavity of the left cover 22;

the inlet tube of the right spraying branch tube 33 is connected with the spraying main tube 31, and the outlet end of the right spraying branch tube 33 is connected with the hollow water storage cavity of the right cover 23.

In this embodiment, the hollow water storage cavities of the left cover 22 and the right cover 23 are not shown, the structure of this part belongs to a conventional structure, and the structure of the adopted spray head 35 and the installation structure of the spray head 35 both belong to conventional technical means in the field, and are not described herein again.

As an optional implementation manner in this embodiment, a hollow water storage cavity is formed in the middle cover 21, the water outlet end of the main spray pipe 31 is connected to a middle branch pipe 34, the middle branch pipe 34 is connected to the hollow water storage cavity of the middle cover 21, and a plurality of spray heads 35 are disposed on the lower surface of the middle cover 21.

Similarly, in the present embodiment, the hollow water storage chamber for the middle cap 21 is the same as the hollow water storage chambers for the left cap 22 and the right cap 23.

As an optional implementation manner in this embodiment, a main valve 41 is disposed on the main spray pipe 31, a left valve 42 is disposed on the left spray branch pipe 32, and a right valve 43 is disposed on the right spray branch pipe 33.

No valve is provided in the intermediate branch 34, and therefore the operation of the nozzle 35 below the intermediate cap 21 is mainly controlled by the main valve 41.

As an optional implementation manner in this embodiment, a flip mechanism 8 is disposed on the middle cover 21, and the flip mechanism 8 is respectively connected to the left cover 22 and the right cover 23 on both sides to control the opening and closing of the left tank opening and the right tank opening.

As an optional implementation manner in this embodiment, the flip mechanism 8 includes a motor 81, a left chain 82, and a right chain 83; one end of the left chain 82 is fixedly connected with the left cover 22, and the other end of the left chain 82 is fixedly connected with a rotating shaft of the motor 81; one end of the right chain 83 is fixedly connected with the right cover 23, and the other end of the right chain 83 is fixedly connected with the rotating shaft of the motor 81.

The rotating shaft of the motor 81 rotates and simultaneously winds the left chain 82 and the right chain 83, so that the left cover 22 and the right cover 23 are pulled to flip together, and the left filling opening and the right filling opening are opened; when the left irrigation opening and the right irrigation opening need to be closed, the rotating shaft rotates reversely, and the left cover 22 and the right cover 23 fall down by means of gravity to cover the left irrigation opening and the right irrigation opening respectively.

As an alternative embodiment in this embodiment, the drain port is connected to the waste liquid tank 5 by a pipeline. So that the copper sulfate solution generated after the reaction in the tank body 1 enters the sewage tank 5 from the liquid outlet.

As an optional implementation manner in this embodiment, the suction opening is connected to the acid mist purification tower 6 through a pipeline. So that the acid gas generated by the reaction in the tank body 1 enters the acid mist purification tower 6 from the air suction opening and is neutralized and exhausted to the atmosphere.

The low-temperature copper dissolving tank fully utilizes the acid mist discharged by the foil forming machine 7, the temperature of the acid mist discharged by the foil forming machine 7 is about 60 ℃, the acid mist is directly purified by the acid mist and then discharged into the atmosphere, and the heat of the acid mist is not fully utilized.

During operation, the cover turning mechanism 8 opens the left cover 22 and the right cover 23, then copper materials are added into the tank body 1, acid mist with certain temperature is discharged by the foil forming machine 7, and the acid mist is sent into the tank body 1 from the bottom of the tank body 1 through the exhaust fan, so that the reaction temperature of the copper materials is increased; the main valve 41, the left valve 42 and the right valve 43 of the spraying device 3 are opened to start spraying the sulfuric acid solution into the tank body 1, and the sulfuric acid solution is sprayed in a mist form through the spray head 35 to enable the copper material to react with the sulfuric acid solution. The copper sulfate solution generated after the reaction enters a sewage tank 5 through a liquid outlet; acid gas generated by the reaction enters the acid mist purification tower 6 from an air suction port and is discharged into the atmosphere after being neutralized.

According to the low-temperature copper dissolving tank, the acid gas exhausted from the acid mist exhaust pipeline of the foil forming machine 7 is used for providing oxygen and reaction temperature, so that the reaction rate can be increased, and part of copper sulfate gas/particles mixed in the acid gas can be absorbed, so that the copper sulfate in the acid gas can be recycled, the acid gas absorbed by the acid mist purification tower 6 can be reduced, the effects of energy conservation and environmental protection are achieved, and the copper dissolving efficiency is improved.

Each atomizing nozzle 35 arranged in the copper dissolving tank can increase the reaction area of the sulfuric acid and the copper oxide, thereby increasing the reaction rate.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.