CN212655866U

CN212655866U - Electrochemical treatment device for copper recovery

Info

Publication number: CN212655866U
Application number: CN202021396925.XU
Authority: CN
Inventors: 张冰; 顾振华; 陈克建; 朱君军; 严成
Original assignee: Suzhou Borui Electrode Industry Co ltd
Current assignee: Suzhou Borui Electrode Industry Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-03-05
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses an electrochemical treatment device for copper is retrieved, it includes the electrolysis trough and is located the gas collecting channel of cell body top, still is provided with inlet and liquid outlet on the cell body, is provided with the gas vent at the last top wall of gas collecting channel. The electrolytic cell comprises a cell body, an anode total copper bar and a cathode total copper bar, wherein the anode total copper bar and the cathode total copper bar are respectively arranged oppositely along the upper edge of the length direction of the cell body. A plurality of anode conductive bars connected with the anode main copper bar are also arranged along the length direction of the anode main copper bar, and each anode conductive bar is connected with an anode. Each anode conducting bar is respectively and vertically arranged with the anode general copper bar. And a plurality of cathode conductive bars connected with the cathode total copper bar are further arranged along the length direction of the cathode total copper bar, each cathode conductive bar is connected with a cathode, and each cathode conductive bar is respectively and vertically arranged with the cathode total copper bar. The utility model discloses an electrochemical treatment device simple operation is convenient for install and use.

Description

Electrochemical treatment device for copper recovery

Technical Field

The utility model relates to a waste water treatment technical field, concretely relates to an electrochemical treatment device for copper is retrieved.

Background

In industries such as PCB processing, electroplating, wet metallurgy and the like, a large amount of copper-containing wastewater can be generated, a large amount of reducing agent needs to be added in the traditional method to recover copper, but the copper recovered by the method still needs to be purified again and then can be continuously used, so that the problems of waste and secondary pollution are caused.

The equipment scheme based on the electrolysis technology cancels a liquid medicine purchasing link after operation, reduces the purchasing cost of waste liquid, cancels a transportation link of the liquid medicine and the waste liquid, reduces the transportation cost and the leakage risk in the transportation process, reduces the risk of environmental pollution, and produces a byproduct electrolytic copper with higher added value, thereby ensuring the effective profit increase of enterprises, achieving the relative zero emission of liquid medicine waste liquid generated in the production of copper plating production enterprises, and obviously improving the economic and social benefits.

However, most of the conventional electrolytic apparatuses for copper recovery have the disadvantages of complicated structure and difficulty in installation.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above disadvantages, an object of the present invention is to provide an electrochemical processing apparatus for copper recovery, which has a simple structure and is easy to install.

The utility model discloses an electrochemical treatment device for copper is retrieved, including the electrolysis trough, the electrolysis trough includes the cell body, still includes positive pole total copper bar, and with at least one positive pole that positive pole total copper bar is connected is electrically conducted and is arranged, at every be connected with an anode on the positive pole electrically conducted and arrange, still include negative pole total copper bar, and with at least one negative pole electrically conducted and arranged that negative pole total copper bar is connected is at every be connected with a negative pole on the electrically conducted and arranged of negative pole, the positive pole with the negative pole is located in the cell body still be provided with inlet and liquid outlet on the cell body. The utility model discloses an electrochemical treatment device utilizes positive pole total copper bar and negative pole total copper bar respectively will the utility model discloses an each part of electrochemical treatment device's positive pole subassembly and negative pole subassembly is integrated as a whole, is convenient for install and use.

Furthermore, the device also comprises a gas-collecting hood positioned above the tank body, and an exhaust port is arranged on the upper top wall of the gas-collecting hood. Therefore, the exhaust gas generated during copper recovery can be treated.

Furthermore, the anode total copper bar and the cathode total copper bar are respectively arranged along the opposite upper edges of the length direction of the tank body. Therefore, the internal space of the tank body can be utilized to the maximum, and the arrangement number and the area of the anode for copper deposition are increased.

Furthermore, the anode conducting bar and the cathode conducting bar are arranged in a staggered mode, and the anode conducting bar and the cathode conducting bar are arranged in parallel.

Furthermore, the anode conducting bar is connected with the anode in a welding mode, the cathode conducting bar is connected with the cathode in a welding mode, and the anodes and the cathodes are arranged in parallel.

Furthermore, the anode is also provided with an isolation column which extends out to the surface far away from the two sides of the anode. Therefore, the anode can be prevented from being damaged by being hit when the electrode is disassembled and assembled.

Further, the anode conducting bar is a titanium-copper composite plate, and the anode is a titanium anode with a high oxygen evolution active coating. Therefore, the anode assembly of the utility model has higher catalytic activity and excellent conductivity.

Furthermore, the cathode conducting bar is a titanium-copper composite plate, and the cathode is a titanium cathode. Thereby the cathode assembly has good conductivity and corrosion resistance as a whole.

Further, the tank body and the gas collecting hood are made of PVC, PP or PVDF.

Drawings

Fig. 1 is a schematic perspective view of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the connection between the anode and the anode conductive bar according to a preferred embodiment of the present invention;

fig. 3 is a schematic view illustrating a connection relationship between a cathode and a cathode conducting bar according to a preferred embodiment of the present invention.

In the figure:

1-tank body, 2-anode total copper bar, 3-anode conductive bar, 4-anode, 5-cathode total copper bar, 6-cathode conductive bar, 7-cathode, 8-liquid inlet, 9-liquid outlet, 10-gas collecting hood and 11-gas outlet.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1-3, as a preferred embodiment of the electrochemical treatment apparatus for copper recovery of the present invention, it comprises an electrolytic cell and a gas collecting hood 10 located above the cell body 1 of the electrolytic cell, a liquid inlet 8 and a liquid outlet 9 are further provided on the cell body 1, and an exhaust port 11 is provided on the top wall of the gas collecting hood 10.

The electrolytic bath of this embodiment includes cell body 1, positive pole total copper bar 2 and negative pole total copper bar 5, and positive pole total copper bar 2 and negative pole total copper bar 5 set up along the relative top edge of cell body 1's length direction respectively. A plurality of anode conductive bars 3 connected with the anode main copper bar 2 are also arranged along the length direction of the anode main copper bar 2, and each anode conductive bar 3 is connected with an anode 4. Each anode conductive bar 3 is respectively arranged perpendicular to the anode main copper bar 2. A plurality of cathode conductive bars 6 connected with the cathode main copper bar 5 are also arranged along the length direction of the cathode main copper bar 5, each cathode conductive bar 6 is connected with a cathode 7, and each cathode conductive bar 6 is respectively vertical to the cathode main copper bar 5.

The anode conductive bars 3 and the cathode conductive bars 6 of the present embodiment are disposed to be staggered with each other, and the respective anode conductive bars 3 and cathode conductive bars 6 are disposed to be parallel to each other. The anodes 4 and the cathodes 7 are arranged in the tank body 1 in a mutually staggered way.

In the present embodiment, the anode conductive bar 3 is connected to the anode 4 by welding, the cathode conductive bar 6 is connected to the cathode 7 by welding, and the anodes 4 and the cathode 7 are arranged in parallel. The anode conductive bar 3 and the anode total copper bar 2 can be connected to quickly install the anode 4, and the cathode conductive bar 6 and the cathode total copper bar 5 can be connected to quickly install the cathode 7. Each anode 4 and cathode 7 of the present invention are arranged in parallel with each other. The anode and the cathode of the electrolytic cell adopt integrated and modular design, and are convenient to install and maintain.

Referring again to fig. 2, a separator column 41 is also provided on the anode 4, projecting toward the surface away from both sides thereof. Therefore, the impact on the anode 4 when the cathode 7 is attached and detached can be prevented, and physical damage to the anode 4 can be avoided.

The anode conducting bar 3 of the utility model is a titanium-copper composite board, and the anode 4 is a titanium anode with high oxygen evolution active coating. The cathode conducting bar 6 is a titanium-copper composite plate, and the cathode 7 is a titanium cathode. Thereby ensuring higher catalytic activity, excellent conductivity and corrosion resistance when the device of the utility model is used for recovering copper.

The material of the tank body 1 and the gas collecting hood 10 of the utility model can be selected from PVC, PP or PVDF according to the requirement.

As a preferred embodiment of the present invention, inlet 8 and liquid outlet 9 are disposed on the relative side wall along the length direction of the tank body 1, inlet 8 is disposed on the bottom wall of the tank body 1, and liquid outlet 9 is disposed on the upper edge of the tank body 1.

The utility model discloses a working method does: the copper-containing solution to be recovered can enter the tank body 1 through the liquid inlet 8 and sequentially passes through the anodes 4 and the cathodes 7, so that copper ions are fully deposited on the cathodes 7 after full electrolytic reaction, and the fully treated waste liquid is discharged from the liquid outlet 9. When the copper deposited on the cathode 7 reaches a certain thickness, the cathode 7 is taken out, and the copper is removed and then is put into the tank body 1 again, so that the copper recovery treatment can be continued.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. Electrochemical treatment device for copper recovery, comprising an electrolytic cell, characterized in that the electrolytic cell comprises a cell body (1),

also comprises an anode total copper bar (2) and at least one anode conductive bar (3) connected with the anode total copper bar (2), each anode conductive bar (3) is connected with an anode (4),

also comprises a cathode total copper bar (5) and at least one cathode conductive bar (6) connected with the cathode total copper bar (5), each cathode conductive bar (6) is connected with a cathode (7),

the anode (4) and the cathode (7) are positioned in the cell body,

the tank body (1) is also provided with a liquid inlet (8) and a liquid outlet (9).

2. The electrochemical treatment device for copper recovery according to claim 1, further comprising a gas collection hood (10) located above the tank (1), wherein a gas exhaust port (11) is provided at an upper top wall of the gas collection hood (10).

3. The electrochemical treatment device for copper recovery according to claim 1, characterized in that the anode busbar (2) and the cathode busbar (5) are respectively arranged along opposite upper edges of the length direction of the tank (1).

4. Electrochemical treatment device for copper recovery according to claim 3, characterized in that the anode conductive bars (3) and the cathode conductive bars (6) are arranged staggered with respect to each other and the anode conductive bars (3) and the cathode conductive bars (6) are arranged parallel to each other.

5. Electrochemical treatment device for copper recovery according to claim 4, characterized in that the anode conductive bar (3) is welded to the anode (4), the cathode conductive bar (6) is welded to the cathode (7), and the anodes (4) and the cathode (7) are arranged parallel to each other.

6. Electrochemical treatment device for copper recovery according to claim 1, characterized in that on the anode (4) there are also provided separator columns (41) projecting towards the surface away from both sides thereof.

7. Electrochemical treatment device for copper recovery according to any of claims 1-6, characterized in that the anode conducting bar (3) is a titanium copper composite plate and the anode (4) is a high oxygen evolution active coated titanium anode.

8. Electrochemical treatment device for copper recovery according to any of claims 1-6, characterized in that the cathode conducting bar (6) is a titanium copper composite plate and the cathode (7) is a titanium cathode.

9. Electrochemical treatment device for copper recovery according to claim 2, characterized in that the tank (1) and the gas-collecting channel (10) are made of PVC, PP or PVDF.