CN116445993A - Electrolytic copper foil preparation device - Google Patents

Abstract

The invention relates to the technical field of electrolytic copper foil equipment, in particular to an electrolytic copper foil preparation device. The electrolytic copper foil preparation device comprises a copper dissolving tank and a feeding funnel, wherein the copper dissolving tank is suitable for containing copper raw materials and liquid, and the inner groove wall of the copper dissolving tank is suitable for spraying gas and liquid; the feeding funnel is provided with an input end and an output end, the output end is arranged in the copper dissolving tank, and the input end is suitable for inputting copper powder into the copper dissolving tank. According to the electrolytic copper foil preparation device provided by the invention, copper powder is used as a copper raw material, and is input into the copper dissolution tank through the feeding hopper when the copper dissolution process is carried out, gas and liquid sprayed out by the inner tank wall of the copper dissolution tank can be used for dispersing the copper powder, and the contact area of the copper powder, oxygen and liquid is enlarged. Compared with the traditional copper dissolving device adopting copper foil as copper raw material, the copper dissolving device adopts copper powder to increase the contact area with liquid, avoid copper material aggregation at a certain position in solution, improve the dissolving efficiency of copper raw material in copper dissolving, and has the advantages of uniform copper dissolving and efficient copper dissolving.

Description

Electrolytic copper foil preparation device

Technical Field

The invention relates to the technical field of electrolytic copper foil equipment, in particular to an electrolytic copper foil preparation device.

Background

The electrolytic copper foil is an important conductor raw material for manufacturing copper-clad plates, printed circuit boards, flexible circuit boards and lithium ion batteries, and is widely applied to the fields of electronics, communication, computers and the like. In the production of electrolytic copper foil, the copper dissolution process is the first process of electrolytic copper foil production, also called liquid preparation, and aims to dissolve copper raw material into sulfate solution so that copper ions are reduced on the surface of a cathode plate to generate copper foil.

In the prior art, copper wires and copper foils are generally selected as copper raw materials for dissolution during the copper dissolution process. When in reaction, compressed air is needed to participate in the reaction, but because copper wires and copper foils are easy to gather at a certain position in the solution, and the compressed air floats up faster, the compressed air cannot react with most copper wires and copper foils, so that the dissolution efficiency of copper raw materials is lower.

Disclosure of Invention

Therefore, the invention aims to overcome the defect that the copper foil is easy to gather at a certain position in the solution in the prior art, so that the compressed air cannot react with most copper raw materials to cause lower dissolution efficiency, thereby providing the electrolytic copper foil preparation device with higher copper dissolution efficiency.

In order to solve the above technical problems, the present invention provides an electrolytic copper foil preparation apparatus, comprising:

a copper-dissolving tank adapted to contain a copper raw material and a liquid, the inner tank wall of the copper-dissolving tank being adapted to jet out a gas and a liquid;

the feeding funnel is provided with an input end and an output end, the input end is exposed out of the copper dissolving tank, the output end is arranged in the copper dissolving tank, and the input end is suitable for inputting copper powder into the copper dissolving tank.

Optionally, the method further comprises:

the purifying tank is communicated with the copper dissolving tank and is suitable for filtering liquid flowing out of the copper dissolving tank.

Optionally, the method further comprises:

the electrolytic tank is communicated with the purifying tank, an electrolytic plate is arranged in the electrolytic tank, and the electrolytic plate is suitable for reacting with liquid flowing out of the purifying tank.

Optionally, the electrolytic plate comprises an anode plate and a cathode plate, the anode plate and the cathode plate are oppositely arranged in the electrolytic tank, two opposite plate surfaces of the anode plate and the cathode plate are suitable for participating in the reaction, and other end surfaces and plate surfaces of the anode plate and the cathode plate are provided with insulating layers.

Optionally, the method further comprises:

a communicating pipe, a first end of which is communicated with the purifying tank, a second end of which is arranged between the cathode plate and the anode plate, and which is suitable for inputting the liquid in the purifying tank into the electrolytic tank;

the discharge end is arranged at the second end of the communicating pipe, is parallel to the length direction of the anode plate and is positioned between the anode plate and the cathode plate, and the discharge end is suitable for spraying liquid to the two opposite plate surfaces of the anode plate and the cathode plate.

Optionally, the discharge end is provided with a plurality of discharge holes, and the discharge holes are linearly arranged along the length direction of the discharge end and are arranged on the discharge end.

Optionally, the plurality of discharge holes are arranged along the axial direction of the discharge end to form two rows, the two rows of discharge holes respectively spray liquid to two opposite plate surfaces of the anode plate and the cathode plate, and the straight line where any row of discharge holes is located is parallel to the axis of the discharge end.

Optionally, the method further comprises:

the gas stirring piece is arranged in the electrolytic tank and is positioned above the discharge end, and the gas stirring piece is suitable for inputting gas into the electrolytic tank;

the air pump is arranged outside the electrolytic tank and is connected with the gas stirring piece through an air pipe.

Optionally, the gas stirring piece is arranged between the anode plate and the cathode plate along the length direction of the gas stirring piece and is immersed in the liquid of the electrolytic tank;

and/or the number of the groups of groups,

the gas stirring piece is provided with a plurality of air holes, and the air holes are suitable for spraying gas to stir the liquid in the electrolytic tank.

Optionally, the method further comprises:

a constant temperature tank, the electrolytic tank is arranged in the constant temperature tank,

and/or the number of the groups of groups,

at least two mounting, two the mounting set up relatively in on two interior cell walls of electrolysis trough, the anode plate with the negative plate respectively joint in between the two the mounting.

The technical scheme of the invention has the following advantages:

the invention provides an electrolytic copper foil preparation device, which comprises a copper dissolving tank and a feeding funnel, wherein the copper dissolving tank is suitable for containing copper raw materials and liquid, and the inner groove wall of the copper dissolving tank is suitable for spraying gas and liquid; the feeding funnel is provided with an input end and an output end, the output end is arranged in the copper dissolving tank, and the input end is suitable for inputting copper powder into the copper dissolving tank. The electrolytic copper foil preparation device adopts copper powder as copper raw material, when the copper dissolving process is carried out, the copper powder is input into the copper dissolving tank through the feeding hopper, gas and liquid sprayed out of the inner tank wall of the copper dissolving tank can disperse the copper powder, and the contact area of the copper powder, air and liquid is enlarged. Compared with the traditional copper dissolving device adopting copper foil and copper wire as copper raw materials, the copper powder can increase the contact area with liquid, the copper material is prevented from being gathered at a certain position in the solution, the copper dissolving efficiency of the copper raw material is improved, and the copper dissolving device has the advantages of uniformly dissolving copper and efficiently dissolving copper.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing the structure of an electrolytic copper foil production apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a copper dissolution tank in an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a copper dissolution tank in an embodiment of the invention;

FIG. 4 is a schematic view showing the structure of an electrolytic cell in an embodiment of the invention;

FIG. 5 is a schematic side cross-sectional view of an electrolytic cell in an embodiment of the invention;

FIG. 6 is a schematic top cross-sectional view of an electrolytic cell in an embodiment of the invention;

FIG. 7 is a schematic structural view of a fixing member according to an embodiment of the present invention;

fig. 8 is a schematic diagram of the structure of the gas stirring member and the gas pump in the embodiment of the present invention.

Reference numerals illustrate:

1. a copper dissolving tank; 11. a feeding funnel; 111. an input end; 112. an output end; 12 separating nets; 13. a copper dissolving tank cover;

2. a purifying tank;

3. an electrolytic cell; 31. an electrolytic plate; 311. an anode plate; 312. a cathode plate; 32. a communicating pipe; 33. a discharge end; 331. a discharge hole; 34. a gas stirring member; 35. an air pump; 36. a cell cover of the electrolytic cell; 37. a fixing member;

4. a constant temperature bath;

5. a treatment tank;

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.

Example 1

Referring to fig. 1 to 8, the electrolytic copper foil manufacturing apparatus according to the present embodiment includes:

a copper dissolution tank 1, wherein the copper dissolution tank 1 is suitable for containing copper raw materials and liquid, and the inner groove wall of the copper dissolution tank 1 is suitable for spraying gas and liquid;

the feeding funnel 11 is provided with an input end 111 and an output end 112, wherein the input end 111 is exposed to the copper dissolution tank 1, the output end 112 is arranged in the copper dissolution tank 1, and the input end 111 is suitable for inputting copper powder into the copper dissolution tank 1.

The gas and liquid ejected from the inner wall of the copper dissolution tank 1 are generally reactants composed of sulfuric acid, hydrogen peroxide, an air mixture, and a low-concentration liquid which participate in the reaction.

It is easy to understand that a pipeline is provided in the wall of the copper dissolution tank 1, and the inner wall of the copper dissolution tank 1 is provided with a plurality of small holes to realize the ejection of gas and liquid. A flow switch is arranged on the copper dissolving tank 1 to realize the control of the flow of gas and liquid sprayed out of the inner tank wall of the copper dissolving tank 1.

The electrolytic copper foil preparation device provided by the embodiment adopts copper powder as copper raw material, and the copper powder has the advantages of rapid and controllable dissolution, high purity of raw material and the like. During the copper dissolving process, copper powder is input into the copper dissolving tank 1 through the feeding hopper 11, and gas and liquid sprayed out of the inner tank wall of the copper dissolving tank 1 can disperse the copper powder, so that the contact area of the copper powder with air and liquid is enlarged. Compared with the traditional copper dissolving device adopting copper wires and copper foils as copper raw materials, the copper dissolving device has the advantages that the contact area between copper powder and liquid can be increased, copper materials are prevented from being gathered at a certain position in the solution, the dissolving efficiency of copper dissolving of the copper raw materials is improved, and efficient copper dissolving is achieved.

In the prior art, when the copper dissolution process is performed, the solution is usually heated or stirred to increase the copper dissolution rate. Naturally, in order to improve the copper dissolution efficiency, a heating device can be additionally arranged below the copper dissolution tank 1. In an alternative embodiment, an electric heating wire structure can be additionally arranged below the copper melting tank 1 to be electrified for heating, so that the copper melting efficiency is improved; in another alternative embodiment, a stirring structure can be additionally arranged in the copper dissolving tank, for example, an electric stirring rod can be additionally arranged for stirring, so that the copper dissolving efficiency is improved.

Further, the feeding funnel 11 is a separating funnel, and the neck of the separating funnel is provided with an adjusting device, and the adjusting device is adapted to control the on-off of the input end 111 and the output end 112.

Specifically, copper powder can be added into the copper dissolution tank 1 at any time by adding the adjusting device, so that the concentration change of pure liquid in the electrolytic tank is almost zero, dynamic balance is achieved, and the influence of the liquid concentration on the quality of electrolytic copper can be reduced.

In detail, in the present embodiment, the adjusting device is a piston member, and the piston member is disposed between the pipelines of the input end 111 and the output end 112, and is used for adjusting whether the input end 111 is communicated with the output end 112 by inserting and extracting the piston member. Of course, in other embodiments, the adjusting device may also be a common structure such as a communication valve, and the specific structure of the adjusting device is not limited herein.

Furthermore, the input end 111 of the separating funnel is provided with a spherical part capable of temporarily storing copper powder, and when the copper powder in the copper dissolution tank 1 is about to complete the reaction, the copper powder is not required to be added into the separating funnel, and the copper powder can be added into the copper dissolution tank 1 only by opening the adjusting device. In this embodiment, the spherical portion is used as the means for temporarily storing copper powder, so that the copper powder is prevented from being accumulated at a certain corner of the separating funnel to cause clogging, and of course, in other alternative embodiments, a prism may be used as the means for temporarily storing copper powder.

Further, the device also comprises a copper dissolving tank cover 13, wherein the copper dissolving tank cover 13 is covered on the copper dissolving tank 1.

In detail, in order to ensure that the feeding funnel 11 can be normally used when the copper dissolution tank cover 13 is covered on the copper dissolution tank 1, i.e. a through hole is formed on the copper dissolution tank cover 13, and the output end 112 of the feeding funnel 11 is disposed in the copper dissolution tank 1 through the through hole.

Further, the copper dissolution tank cover 13 is provided with a handle, and the handle is suitable for moving the copper dissolution tank cover 13 more conveniently by an operator.

Further, the copper-dissolving tank cover 13 communicates a pipe for supplying the gas generated in the copper-dissolving tank 1 to the processing tank 5.

Further, the method further comprises the following steps:

the screen 12, the screen 12 is set up in the radial direction of the copper dissolving tank 1 in the copper dissolving tank 1.

In detail, gas and solid copper exist in the liquid, and the solution is easy to splash during the reaction; the screen 12 is effective to prevent splattering liquid from entering the waste liquid conduit and blocking the conduit after crystallization.

Further, the method further comprises the following steps:

the purifying tank 2, the purifying tank 2 communicates with the copper dissolving tank 1, and the purifying tank 2 is suitable for filtering the liquid flowing out of the copper dissolving tank 1.

Specifically, in this embodiment, three-stage filtering elements such as diatomite and activated carbon are disposed in the purifying tank 2, and the copper sulfate flowing out of the copper dissolving tank 1 is filtered. Here, the specific structure of the purification tank 2 is not limited, and normal purification may be performed.

Further, the method further comprises the following steps:

and an electrolytic tank 3, wherein the electrolytic tank 3 is communicated with the purifying tank 2, an electrolytic plate 31 is arranged in the electrolytic tank 3, and the electrolytic plate 31 is suitable for reacting with the liquid flowing out of the purifying tank 2.

Specifically, a thermometer is added to the electrolytic tank 3, so that the temperature of the solution in the electrolytic tank 3 can be visually seen.

Further, the method further comprises the following steps:

an electrolytic tank cover 36, which is arranged on the electrolytic tank 3, and the electrolytic tank cover 36 is communicated with the copper dissolving tank 1;

specifically, when the electrolytic bath 3 is reacted, some liquid which does not participate in the reaction is evaporated in the electrolytic bath 3, and in this embodiment, the evaporated gas in the electrolytic bath 3 is treated by communicating the electrolytic bath cover 36 with the copper dissolution tank 1, and is conveyed back to the copper dissolution tank 1 to participate in the reaction, so that the utilization rate of the device is improved.

Further, the cover 36 is arc-shaped with two low sides, and is inclined to one corner of the cover 36, and the inner wall of the cover 36 is provided with an edge strip with an inward slope upward, and the edge strip is provided with a waste liquid hole, so that the waste liquid can be collected intensively and guided into the treatment tank 5 through the guide pipe to the treatment tank 5, and the waste liquid of the electrolytic tank 3 can be collected intensively.

Still further, still include:

a thermostatic bath 4, and an electrolytic bath 3 is arranged in the thermostatic bath 4.

Specifically, the upper portion of the electrolytic tank 3 is arranged on the constant temperature tank 4 through two connecting rod structures, so that the outer bottom surface and four side tank surfaces of the electrolytic tank 3 are immersed in the constant temperature tank 4, the electrolytic tank 3 can be at a proper temperature, and the stable reaction in the electrolytic tank 3 is ensured.

In detail, a built-in temperature sensor, a heating pipe and a controller can be additionally arranged in the constant temperature tank 4, so that the constant temperature tank 4 is ensured to ensure a relatively stable temperature.

Further, the electrolytic plate 31 includes an anode plate 311 and a cathode plate 312, the anode plate 311 and the cathode plate 312 are oppositely arranged in the electrolytic tank 3, two opposite plate surfaces of the anode plate 311 and the cathode plate 312 are suitable for participating in the reaction, and other end surfaces and plate surfaces of the anode plate 311 and the cathode plate 312 are provided with insulating layers.

It is easy to understand that the insulating layer is used to wrap the opposite surfaces of the anode removal plate 311 and the cathode removal plate 312 which participate in the reaction, so that the ineffective discharge on other surfaces of the electrolytic plate 31 can be effectively prevented, the electric efficiency can be improved, and harmful substances such as copper particles and the like can be prevented from being generated by non-opposite surface discharge.

Further, the method further comprises the following steps: at least two fixing pieces 37, the two fixing pieces 37 are oppositely arranged on two inner groove walls of the electrolytic tank 3, and the anode plate 311 and the cathode plate 312 are respectively clamped between the two fixing pieces 37.

Further, the fixing member 37 has two clamping grooves for respectively clamping and fixing the anode plate 311 and the cathode plate 312.

In detail, the spacing part is arranged between the two clamping grooves, the relative distance between the anode plate 311 and the cathode plate 312 can be adjusted by replacing the fixing pieces 37 of the spacing parts with different sizes, the stability is good, and the influence of the relative distance of the electrolytic plate 31 on the preparation of the electrolytic copper foil can be conveniently explored.

Specifically, in the present embodiment, the number of the fixing members 37 is 4, two fixing members 37 are disposed on two inner walls of the electrolytic tank 3, one of the two fixing members 37 is disposed at a higher position of the inner wall, and the other fixing member 37 is disposed at a lower position of the inner wall, so that the specific position and height of the fixing members 37 are not limited, and the anode plate 311 and the cathode plate 312 can be stably fixed.

Of course, in other embodiments, the number of the fixing members 37 may be set to 2, 6, 8, etc., and the specific number of the fixing members 37 is not limited herein.

Further, the method further comprises the following steps:

a communicating tube 32, a first end of the communicating tube 32 being in communication with the purifying tank 2, a second end of the communicating tube 32 being disposed between the cathode plate 312 and the anode plate 311, the communicating tube 32 being adapted to input the liquid in the purifying tank 2 into the electrolytic tank 3;

the discharge end 33, the discharge end 33 is disposed on the second end of the communicating tube 32, the discharge end 33 is disposed between the anode plate 311 and the cathode plate 312 parallel to the length direction of the anode plate 311, and the discharge end 33 is adapted to spray liquid to two opposite faces of the anode plate 311 and the cathode plate 312.

Specifically, in the present embodiment, the length of the discharge end 33 is the same as that of the electrolytic plate 31, so as to ensure that the liquid ejected from the discharge end 33 can reach any position of the anode plate 311 and the cathode plate 312. Of course, in other embodiments, any length of discharge end 33 may be used, but the full coverage of the electrolyte plate 31 by the injected liquid is not achieved.

In detail, the second end of the communicating tube 32 is disposed at the bottom of the electrolytic tank 3 and is located at the center between the anode plates 312 and 311, and the discharge end 33 having the height direction of the electrolytic plate 31 is disposed between the anode plates 311 and 312 to ensure that the sprayed liquid can cover each position of the anode plates 311 and 312 opposite to the plate surface, thereby improving the electrolytic effect. Further, a plurality of discharge holes 331 are formed in the discharge end 33, and the discharge holes 331 are linearly arranged on the discharge end 33 along the length direction of the discharge end 33.

Further, the discharge end 33 has an arc discharge surface, a plurality of discharge holes 331 are formed in the discharge end 33, and the discharge holes 331 are linearly formed in the arc discharge surface along the length direction of the discharge end 33.

Specifically, the arc-shaped discharging surface of the discharging end 33 is in an outer arch shape, so that the liquid sprayed out of the discharging hole 331 and the plate surface where the electrolytic plate 31 is positioned form an acute angle, thereby achieving the rapid flow of the liquid on the surface of the electrolytic plate 31, supplementing copper ions and taking away gas, and achieving the effect of stirring the liquid.

It is easy to understand that in the present embodiment, the specific size of the discharge hole 331 is not limited, so that the liquid sprayed from the discharge hole 331 can contact the electrolytic plate 31.

Still further, the method comprises the steps of, the axes of the discharge holes 331 are outwards divergent to form a radial shape by taking the axis of the discharge hole 331 in the center of the discharge end 33 as the center.

Further, the plurality of discharge holes 331 are arranged along the axial direction of the discharge end 33 to form two rows, the two rows of discharge holes 331 spray liquid to two opposite faces of the anode plate 311 and the cathode plate 312 respectively, and the straight line of any row of discharge holes 331 is parallel to the axis of the discharge end 33. Specifically, in the present embodiment, the discharge holes 331 are arranged in two rows, and the discharge ends 33 respectively spray out to the opposite surfaces of the anode plate 311 and the cathode plate 312 at two sides, so as to ensure that the anode plate 311 and the cathode plate 312 react uniformly. Of course, in other embodiments, the discharge holes may be arranged in a single row, 3 rows or 4 rows, and the specific arrangement of the discharge holes 331 is not limited herein.

Further, the method further comprises the following steps:

a gas stirring member 34, the gas stirring member 34 being disposed in the electrolytic tank 3 above the discharge end 33, the gas stirring member 34 being adapted to input gas into the electrolytic tank 3.

The air pump 35, the air pump 35 sets up in the outside of electrolysis trough 3, and air pump 35 links to each other with the gas stirring piece 34 through the trachea.

Specifically, the gas stirring piece 34 and the air pump 35 are additionally arranged, so that the gas can be dissolved in the liquid to the greatest extent, the gas in the electrolytic tank 3 can be ensured to be sufficient during the reaction, the liquid flow in the electrolytic tank 3 can be accelerated, and the effect of stirring the liquid is achieved.

Further, the gas stirring member 34 is disposed between the anode plate 311 and the cathode plate 312 along the length direction thereof, and immersed in the liquid of the electrolytic tank 3.

In detail, the length of the gas stirring member 34 is substantially the same as that of the electrolytic plate 31, so as to spray the gas between the anode plate 311 and the cathode plate 312, so as to ensure that the air is fully mixed in the liquid in the electrolytic tank 3, and ensure that the portion of the electrolytic plate 31 immersed in the liquid can fully react.

Further, the gas stirring member 34 is provided with a plurality of air holes, and the air holes are suitable for spraying gas to stir the liquid in the electrolytic tank 3.

Further, the plurality of air holes are arranged along the length direction of the air stirring member 34, and the plane formed by the air ejected from the plurality of air holes is perpendicular to the plane of the electrolytic plate 31; the plurality of air holes are inclined to both sides with the longitudinal direction of the gas stirring member 34 as a midpoint.

In detail, by this arrangement, it is ensured that the gas sprayed from the gas stirring member 34 acts only on the liquid in the electrolytic bath 3, and the formed copper foil is prevented from being damaged by the gas sprayed from the gas stirring member 34 acting on the surface of the electrolytic plate 31.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.

Claims (10)

1. An electrolytic copper foil production apparatus, comprising:

a copper dissolution tank (1), wherein the copper dissolution tank (1) is suitable for containing copper raw materials and liquid, and the inner tank wall of the copper dissolution tank (1) is suitable for spraying gas and liquid;

the feeding funnel (11) is provided with an input end (111) and an output end (112), wherein the input end (111) is exposed out of the copper dissolution tank (1), the output end (112) is arranged in the copper dissolution tank (1), and the input end (111) is suitable for inputting copper powder into the copper dissolution tank (1).

2. The electrolytic copper foil production apparatus according to claim 1, further comprising:

the purifying tank (2), purifying tank (2) with dissolve copper tank (1) intercommunication, purifying tank (2) are suitable for the filtration dissolve liquid that copper tank (1) flowed out.

3. The electrolytic copper foil production apparatus according to claim 2, further comprising:

the electrolytic tank (3), electrolytic tank (3) with purifying tank (2) intercommunication, be equipped with electrolysis board (31) in electrolytic tank (3), electrolysis board (31) are suitable for with the liquid that purifying tank (2) flows out reacts.

4. An electrolytic copper foil production apparatus according to claim 3, wherein the electrolytic plate (31) comprises an anode plate (311) and a cathode plate (312), the anode plate (311) and the cathode plate (312) being relatively arranged in the electrolytic tank (3), the two opposing plate surfaces of the anode plate (311) and the cathode plate (312) being adapted to participate in the reaction, and the other end surfaces and plate surfaces of the anode plate (311) and the cathode plate (312) being provided with insulating layers.

5. The electrolytic copper foil production apparatus according to claim 4, further comprising:

a communicating pipe (32), a first end of the communicating pipe (32) is communicated with the purifying tank (2), a second end of the communicating pipe (32) is arranged between the cathode plate (312) and the anode plate (311), and the communicating pipe (32) is suitable for inputting liquid in the purifying tank (2) into the electrolytic tank (3);

the discharging end (33), discharging end (33) set up in on the second end of communicating pipe (32), discharging end (33) be on a parallel with the length direction of anode plate (311), and be located anode plate (311) with between negative plate (312), discharging end (33) are suitable for to anode plate (311) with two face sprays liquid that are opposite of negative plate (312).

6. The electrolytic copper foil manufacturing apparatus according to claim 5, wherein the discharge end (33) is provided with a plurality of discharge holes (331), and the discharge holes (331) are arranged on the discharge end (33) in a linear arrangement along a length direction of the discharge end (33).

7. The electrolytic copper foil manufacturing apparatus according to claim 6, wherein a plurality of the discharge holes (331) are arranged in two rows along an axial direction of the discharge end (33), the two rows of the discharge holes (331) respectively spray liquid toward two opposite plate surfaces of the anode plate (311) and the cathode plate (312), and a straight line of any row of the discharge holes (331) is parallel to an axis of the discharge end (33).

8. The electrolytic copper foil production apparatus according to claim 6 or 7, further comprising:

a gas stirring piece (34), wherein the gas stirring piece (34) is arranged in the electrolytic tank (3) and is positioned above the discharge end (33), and the gas stirring piece (34) is suitable for inputting gas into the electrolytic tank (3);

the air pump (35), air pump (35) set up in electrolysis trough (3) are outside, air pump (35) pass through the trachea with gas stirring spare (34) link to each other.

9. The electrolytic copper foil production apparatus according to claim 8, wherein the gas stirring member (34) is disposed between the anode plate (311) and the cathode plate (312) along a length direction thereof and immersed in the liquid of the electrolytic bath (3);

and/or the number of the groups of groups,

the gas stirring piece (34) is provided with a plurality of air holes, and the air holes are suitable for spraying gas to stir the liquid in the electrolytic tank (3).

10. The electrolytic copper foil production apparatus according to claim 4, further comprising:

a constant temperature tank (4), wherein the electrolytic tank (3) is arranged in the constant temperature tank (4),

and/or the number of the groups of groups,

further comprises: at least two mounting (37), two mounting (37) set up relatively in on two interior cell walls of electrolysis trough (3), anode plate (311) with negative plate (312) joint respectively in two between mounting (37).