CN112813462B - An electrolytic cell for copper ion recovery - Google Patents
An electrolytic cell for copper ion recovery Download PDFInfo
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- CN112813462B CN112813462B CN202110051371.2A CN202110051371A CN112813462B CN 112813462 B CN112813462 B CN 112813462B CN 202110051371 A CN202110051371 A CN 202110051371A CN 112813462 B CN112813462 B CN 112813462B
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/12—Electrolytic production, recovery or refining of metals by electrolysis of solutions of copper
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/46—Regeneration of etching compositions
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
一种用于铜离子回收的电解槽，包括有槽本体，槽本体内设置有阴极板和阳极板，槽本体内设置有添加槽以及排液槽；添加槽包括有储液槽以及进液管，储液槽设置在槽本体的侧壁上；排液槽设置在槽本体的底部，包括有缓冲槽以及与缓冲槽联通的排液口，排液口位于阳极板的下方；缓冲槽连接有与槽本体内电解液液面高度平齐的液位管，液位管连接有回收管；缓冲槽上设置的排液口能够将阳极板附近的电解液吸出，通过减少电解液中不含铜离子的溶液以提高铜离子在电解液中的含量，添加槽能够及时的补通过与电解液液面高度平齐的液位管，排出槽内的电解液会随添加槽中补充的电解液而排出，保证电解槽内电解液的液面高度，保证电解液液面高度的稳定性。
An electrolytic cell for copper ion recovery comprises a cell body, a cathode plate and an anode plate are arranged in the cell body, and an addition cell and a drainage cell are arranged in the cell body; the addition cell comprises a storage cell and a liquid inlet pipe, and the storage cell is arranged on the side wall of the cell body; the drainage cell is arranged at the bottom of the cell body, and comprises a buffer cell and a drainage port connected to the buffer cell, and the drainage port is located below the anode plate; the buffer cell is connected to a liquid level pipe which is flush with the liquid level of the electrolyte in the cell body, and the liquid level pipe is connected to a recovery pipe; the drainage port arranged on the buffer cell can suck out the electrolyte near the anode plate, and increase the content of copper ions in the electrolyte by reducing the solution which does not contain copper ions in the electrolyte, the addition cell can be replenished in time through the liquid level pipe which is flush with the liquid level of the electrolyte, and the electrolyte in the drainage cell will be discharged along with the electrolyte added in the addition cell, so as to ensure the liquid level of the electrolyte in the electrolytic cell and the stability of the liquid level of the electrolyte.
Description
Technical Field
The invention relates to the technical field of resource recovery equipment, in particular to an electrolytic tank for copper ion recovery.
Background
The etching solution is suitable for etching pattern electroplated metal resist, such as plating gold, nickel, tin-lead alloy and printed board of tin. The alkaline etching solution has the characteristics of high etching rate, small side etching, high copper dissolving capacity, easy control of the etching rate, continuous regeneration and recycling of the etching solution, and reduction of the etching cost.
The principle of recycling the etching solution is that copper ions in the etching solution are reduced into elemental copper in an electrolytic mode, the rest of the etching solution can be recycled, so that the etching cost is saved, and the reduced elemental copper can be utilized to manufacture a substrate of the circuit board. At present, a cyclone electrolytic device is mainly adopted to recycle the simple substance copper, and the simple substance copper is attached to a cathode plate to form a copper plate for the copper plate to be adsorbed on the cathode plate during electrolysis.
In the electrolytic process, copper ions in the electrolyte are enriched with the vicinity of the cathode plate to obtain electrons to be reduced into copper simple substances, and the content of the copper ions in the electrolyte is reduced along with the electrolytic process, so that the reduction speed of the copper ions is influenced, and the prior art has improvement.
Disclosure of Invention
In order to solve the technical problems, the invention provides an electrolytic tank for copper ion recovery, which is characterized in that new electrolyte is added while electrolyte of an anode plate accessory is recovered, so that copper ions in the electrolytic tank are maintained at a certain concentration.
The electrolytic tank for copper ion recovery comprises a tank body, a cathode bus and an anode bus, wherein a cathode plate connected with the cathode bus and an anode plate connected with the anode bus are arranged in the tank body, an adding tank for adding electrolyte and a liquid draining tank for draining the electrolyte are arranged in the tank body, the adding tank comprises a liquid storage tank arranged along the length direction of the tank body and a liquid inlet pipe connected with the liquid storage tank, the liquid storage tank is arranged on the side wall of the tank body, the liquid draining tank is arranged at the bottom of the tank body and comprises a buffer tank and a liquid draining port communicated with the buffer tank, the liquid draining port is positioned below the anode plate, the buffer tank is connected with a liquid level pipe flush with the liquid level of the electrolyte in the tank body, and the liquid level pipe is connected with a recovery pipe.
Through adopting above-mentioned technical scheme, the leakage fluid dram that sets up on the buffer tank can be with the near electrolyte suction of anode plate, through the solution that does not contain copper ion in the electrolyte that reduces in order to improve the content of copper ion in the electrolyte, the fluid level pipe of the fluid level parallel and level with the electrolyte that the interpolation groove can be timely is passed through, the electrolyte in the discharge tank can be discharged along with the electrolyte of the interpolation groove, guarantee the liquid level of electrolyte in the electrolysis tank, guarantee the stability of electrolyte liquid level.
The liquid outlet comprises a joint which is abutted with the anode plate, the joint comprises a supporting body and a through hole which is formed in the supporting body, and the through hole is communicated with the liquid outlet.
By adopting the technical scheme, the joint can absorb electrolyte on the surface of the anode plate, so that the absorbed solution is prevented from containing a large amount of copper ions, and the loss of the copper ions is reduced.
The invention is further characterized in that clamping parts corresponding to the two sides of the surface of the anode plate extend from the two sides of the supporting body, and the through holes are formed in the clamping parts.
Through adopting above-mentioned technical scheme, because the separation of negative plate, anode plate in the electrolysis trough, electrolyte mobility in the electrolysis trough is relatively poor, and the through-hole that is located joint portion can absorb the electrolyte of anode plate both sides, makes the local electrolyte of electrolysis trough in descend in step, avoids the too high liquid level in the electrolysis trough, has reduced the flow of electrolyte in the electrolysis trough between two anode plates simultaneously, reduces the influence that the flow of electrolyte to copper ion precipitation.
The invention is further characterized in that the clamping part is attached to the plate surface of the anode plate, and the through holes are linearly and uniformly distributed along the length direction of the clamping part.
Through adopting above-mentioned technical scheme, make the through-hole laminate the surface of anode plate more, further reduce the loss of copper ion.
The invention is further characterized in that extension parts extend from two sides of the support body, circulation grooves are arranged on the extension parts at intervals along the length direction of the support body, the circulation grooves penetrate through the extension parts and the support body, and the through holes are arranged in one-to-one correspondence with the circulation grooves and are positioned in the middle of the circulation grooves.
Through adopting above-mentioned technical scheme, the electrolyte of anode plate both sides can be absorbed to the circulation groove that is located anode plate bottom, and the through-hole that is located the circulation inslot can be even absorb the electrolyte of circulation groove both sides, reduces the seting up of through-hole, more easily implements.
The liquid level pipe is further arranged in a shape like a Chinese character 'ji', and comprises a first pipe body which is level with the liquid level of the electrolyte, a second pipe body which is horizontally arranged and a third pipe body which is parallel to the first pipe body, wherein the third pipe body is connected with the recovery pipe.
By adopting the technical scheme, the liquid level pipe arranged in the shape of the Chinese character 'ji' can avoid the back flow of electrolyte in the recovery pipe.
The invention is further arranged that the second pipe body is connected with a pump body.
Through adopting above-mentioned technical scheme, the second body that is connected with the pump body can initiatively absorb the buffer tank internal electrolyte, also can use when the evacuation electrolysis trough.
The invention is further characterized in that the liquid inlet pipe is arranged above the liquid storage tank, the liquid storage tank is provided with an opening for the electrolyte to flow out, and the opening is positioned 3-5cm above the bottom of the liquid storage tank.
Through adopting above-mentioned technical scheme, adopt the mode that floods to realize the confession liquid of electrolyte in the electrolysis trough, guarantee that the electrolysis trough can follow the synchronous interpolation of electrolysis trough length direction, reduce the flow of electrolyte in the electrolysis trough.
The invention is further characterized in that overflow grooves are arranged at the opening along the length direction of the liquid storage groove at intervals, and the width of each overflow groove is 3-4 mm.
By adopting the technical scheme, the electrolyte is prevented from being concentrated and overflowed due to the surface tension of the electrolyte.
The invention is further arranged in such a way that the adding grooves are arranged on both sides of the groove body.
By adopting the technical scheme, the flow of electrolyte in the motor tank along the width direction of the electrolytic tank is reduced.
In summary, the invention has the following effects:
1. The liquid outlet arranged on the buffer tank can suck out electrolyte near the anode plate, and the electrolyte is prevented from flowing out by reducing
A copper ion-containing solution to increase the content of copper ions in the electrolyte;
2. The electrolyte in the discharge tank can be discharged along with the electrolyte replenished in the addition tank, so that the liquid level of the electrolyte in the electrolytic tank is ensured, and the stability of the liquid level of the electrolyte is ensured;
3. The liquid level pipe that "nearly" font set up can avoid with the backward flow of retrieving intraductal electrolyte, and the second body that is connected with the pump body can initiatively absorb the intraductal electrolyte of buffer, also can use when the evacuation electrolysis trough.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic view of the overall structure of an electrolytic cell;
FIG. 2 is a schematic view of the internal structure of the electrolytic cell;
FIG. 3 is a schematic view of the overall structure of the addition tank;
FIG. 4 is a schematic view of the first joint;
FIG. 5 is a schematic view of a second joint;
Fig. 6 is a schematic view of the internal structure of the second joint.
In the figure, 1, a tank body, 2, a cathode bus, 3, an anode bus, 4, a cathode plate, 5, an anode plate, 6, a liquid discharge tank, 61, a buffer tank, 62, a liquid discharge port, 621, a connector, 6211, a support body, 6212, a clamping part, 6213, an extension part, 6214, a circulation tank, 622, a through hole, 63, a baffle plate, 64, a support column, 7, an adding tank, 71, a liquid storage tank, 72, a liquid inlet pipe, 73, an opening, 74, an overflow tank, 8, a liquid level pipe, 81, a first pipe body, 82, a second pipe body, 83, a third pipe body, 9, a recovery pipe, 10 and a pump body are shown.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
Example 1:
as shown in figures 1 and 2, the electrolytic tank for copper ion recovery comprises a tank body, a cathode bus and an anode bus, wherein a cathode plate connected with the cathode bus and an anode plate connected with the anode bus are arranged in the tank body, an adding tank for adding electrolyte and a liquid draining tank for draining electrolyte are arranged in the tank body, the adding tank comprises a liquid storage tank arranged along the length direction of the tank body and a liquid inlet pipe connected with the liquid storage tank, the liquid storage tank is arranged on the side wall of the tank body, the liquid draining tank is arranged at the bottom of the tank body and comprises a buffer tank and a liquid draining port communicated with the buffer tank, the liquid draining port is positioned below the anode plate, the buffer tank is connected with a liquid level pipe flush with the liquid level of the electrolyte in the tank body, and the liquid level pipe is connected with a recovery pipe. This scheme kind buffer tank is in through setting up baffle in the groove body forms, in order to improve the load intensity of baffle, be provided with the support column that is used for supporting between baffle and the groove body.
The liquid level pipe is in a shape like a Chinese character 'ji', and comprises a first pipe body flush with the liquid level of the electrolyte, a second pipe body horizontally arranged and a third pipe body parallel to the first pipe body, wherein the third pipe body is connected with the recovery pipe, and a pump body is connected to the second pipe body.
With reference to fig. 3, the liquid inlet pipe is arranged above the liquid storage tank, the liquid storage tank is provided with an opening for the electrolyte to flow out, the opening is positioned 3-5cm above the bottom of the liquid storage tank, overflow grooves are arranged at intervals along the length direction of the liquid storage tank at intervals, the width of each overflow groove is 3-4 mm, and the adding grooves are arranged on two sides of the tank body.
The liquid outlet comprises a support body and a through hole formed in the support body, the through hole is communicated with the liquid outlet, clamping portions corresponding to two sides of the surface of the anode plate extend from two sides of the support body, the through hole is formed in the clamping portions, the clamping portions are attached to the plate surface of the anode plate, and the through holes are linearly and uniformly distributed along the length direction of the clamping portions.
Example 2:
As shown in fig. 5 and 6, embodiment 1 differs from embodiment 2 in the structure of the support body.
The utility model discloses a support body, including support body, through-hole, support body's both sides extension has extension, follow on the extension support body's length direction is spaced apart to be equipped with the circulation groove, the circulation groove runs through extension with support body, the through-hole with the circulation groove one-to-one sets up and is located the middle part of circulation groove.
It should be noted that modifications and improvements can be made by those skilled in the art without departing from the inventive concept, and these are all within the scope of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110051371.2A CN112813462B (en) | 2021-01-14 | 2021-01-14 | An electrolytic cell for copper ion recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110051371.2A CN112813462B (en) | 2021-01-14 | 2021-01-14 | An electrolytic cell for copper ion recovery |
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| Publication Number | Publication Date |
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| CN112813462A CN112813462A (en) | 2021-05-18 |
| CN112813462B true CN112813462B (en) | 2025-06-03 |
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| CN202110051371.2A Active CN112813462B (en) | 2021-01-14 | 2021-01-14 | An electrolytic cell for copper ion recovery |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215103603U (en) * | 2021-01-14 | 2021-12-10 | 江苏净拓环保科技有限公司 | Electrolytic tank for recovering copper ions |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1122119C (en) * | 1995-06-20 | 2003-09-24 | 阿托特德国有限公司 | Method and appts. for metal layer by electrolytic deposition |
| DE19736350C1 (en) * | 1997-08-21 | 1999-08-05 | Atotech Deutschland Gmbh | Process for regulating the concentration of substances in electrolytes and device for carrying out the process |
| CN203855671U (en) * | 2014-05-20 | 2014-10-01 | 成都鑫康华贸易有限责任公司 | Diaphragm frame |
| CN204474781U (en) * | 2014-09-18 | 2015-07-15 | 龙济时代(北京)新能源科技有限公司 | A kind of electrolyzer system device of applicable copper dilution electrodeposition |
| CN106048652B (en) * | 2016-06-27 | 2019-01-29 | 深圳市深投环保科技有限公司 | Improve method, metal electro-deposition method and the metal electro-deposition device of Faradaic current efficiency |
| CN208701213U (en) * | 2018-08-24 | 2019-04-05 | 浙江舜科电子有限公司 | A kind of etching solution electrolysis unit |
| CN109881200B (en) * | 2019-04-10 | 2021-05-11 | 深圳市铿东科技有限公司 | Regeneration of alkaline etching solution and copper recovery method thereof |
| CN109881216B (en) * | 2019-04-12 | 2023-11-28 | 株洲稷维环境科技有限公司 | Acid electrolytic tank and electrolytic production line using same |
| CN111394727B (en) * | 2019-09-10 | 2024-07-30 | 长沙利洁环保科技有限公司 | Acid etching solution circulation regeneration system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215103603U (en) * | 2021-01-14 | 2021-12-10 | 江苏净拓环保科技有限公司 | Electrolytic tank for recovering copper ions |
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