CN211170902U - PCB moves back tin waste liquid and retrieves and cyclic regeneration device - Google Patents
PCB moves back tin waste liquid and retrieves and cyclic regeneration device Download PDFInfo
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- CN211170902U CN211170902U CN201922181902.0U CN201922181902U CN211170902U CN 211170902 U CN211170902 U CN 211170902U CN 201922181902 U CN201922181902 U CN 201922181902U CN 211170902 U CN211170902 U CN 211170902U
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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
Abstract
The utility model provides a PCB moves back tin waste liquid and retrieves and cyclic regeneration device, including first waste liquid holding vessel, stirring mixing tank, centrifugal filter, second waste liquid holding vessel, electrolysis trough, the adjustment tank that uses the pipe connection in proper order, the stirring mixing tank with all be equipped with on the adjustment tank the motor and with motor electric connection's agitating unit, the stirring mixing device with be equipped with the pump on being used for the pipeline of connecting between the centrifugal filter, the utility model discloses utilize tin and copper in a plurality of equipment pieces will move back the tin waste liquid to carry out reprocessing adjustment to remaining waste liquid and become new tin liquid that moves back, make waste water treatment become simple, reduced the cost of handling, satisfied the recovery and cyclic utilization of a large amount of effective resources.
Description
Technical Field
The utility model relates to a PCB moves back tin technical field, specifically is a PCB moves back tin waste liquid and retrieves and cyclic regeneration device.
Background
With the rapid development of the electronic industry, PCB enterprises are more and more developed. In the production process of Printed Circuit Boards (PCB), a layer of tin is required to be plated on the surface of a pattern to be used as an anti-corrosion layer, and the tin in the anti-corrosion layer is dissolved after etching and forming. The nitric acid type tin stripping solution is a main component for dissolving tin in PCB production, generally takes nitric acid as a main component, and also comprises agents such as a nitric acid stabilizer, a copper corrosion inhibition inhibitor, ferric nitrate and the like. In the tin stripping process, when the tin content of the solution is gradually increased and reaches a certain concentration, the tin stripping capability is reduced, and the tin is discharged from tin stripping equipment to become tin stripping waste liquid. The tin-stripping waste liquid belongs to dangerous chemical waste products regulated by the state and contains a large amount of nitric acid and metal, so the waste liquid treatment increases the burden for PCB enterprises, the waste water treatment is difficult, the waste liquid cannot be treated in a general treatment station, only qualified waste liquid recovery units can be entrusted for treatment, but the recovery price is lower, the recovery units perform neutralization treatment, only tin and copper with higher values are recovered, other components are directly discharged after treatment, the waste of a large amount of effective resources is caused, and the post-treatment cost of the waste liquid is gradually increased along with the improvement of the national environmental protection standard in recent years.
SUMMERY OF THE UTILITY MODEL
The technique that exists is not enough to the aforesaid, the utility model aims at providing a PCB moves back tin waste liquid recovery and cyclic regeneration device, and it utilizes tin and copper that a plurality of equipment spares will move back in the tin waste liquid to draw, and carry out reprocessing utilization to remaining waste liquid, the effectual problem of waste water treatment difficulty, the with high costs of processing, a large amount of effective resources wastes of having solved.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides a PCB moves back tin waste liquid and retrieves and cyclic regeneration device, includes first waste liquid bucket, stirring mixing tank, centrifugal filter, second waste liquid bucket, electrolysis trough, the adjustment tank that uses the pipe connection in proper order, the stirring mixing tank with all be equipped with on the adjustment tank motor and with motor electric connection's agitating unit, the stirring mixing arrangement with be equipped with the pump on being used for the pipeline of connecting between the centrifugal filter.
Preferably, the stirring device comprises a stirring rod and a stirring blade fixed on the stirring rod, the stirring rod is electrically connected with the motor, and the stirring rod and the stirring blade are made of titanium alloy and have high corrosion resistance.
Preferably, the pump is an air operated diaphragm pump.
Preferably, the centrifugal filter is a filter bag type centrifugal filter.
Preferably, the electrolytic cell is a diaphragm electrolytic cell with a cathode chamber and an anode chamber.
The beneficial effects of the utility model reside in that: tin and copper in the tin stripping waste liquid are extracted by a plurality of devices, and the residual waste liquid is reprocessed and adjusted into new tin stripping liquid, so that the wastewater treatment is simple, the treatment cost is reduced, and the recovery and cyclic utilization of a large amount of effective resources are met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a PCB detinned waste liquid recycling and recycling device provided by an embodiment of the present invention.
Description of reference numerals:
1-a first waste liquid storage barrel, 2-a stirring and mixing tank, 3-a pneumatic diaphragm pump, 4-a filter bag type centrifugal filter, 5-a second waste liquid storage barrel, 6-a cathode chamber, 7-an anode chamber, 8-an adjusting tank, 9-a pipeline, 21-a motor, 22-a stirring rod and 23-a stirring blade.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figure 1, a PCB tin stripping waste liquid recycling and recycling device comprises a first waste liquid storage barrel 1, a stirring and mixing tank 2, a filter bag type centrifugal filter 4, a second waste liquid storage barrel 5, an electrolytic tank and an adjusting tank 8 which are connected in sequence by a pipeline 9, waste water to be treated can be conveyed by the pipeline 9, the stirring and mixing tank 2 and the adjusting tank 8 are both provided with a motor 21 and a stirring device which is electrically connected with the motor 21, the stirring device comprises a stirring rod 22 and a stirring blade 23 fixed on the stirring rod 22, the stirring rod 22 can be driven by the motor 21 to drive the stirring blade 23 to stir and mix the waste water in the stirring and mixing tank 2, the stirring rod 22 and the stirring blade 23 are both made of titanium alloy and can have high corrosion resistance, a pneumatic diaphragm pump 3 is arranged on the pipeline 9 used for connecting between the stirring and mixing tank 2 and the centrifugal filter, and the pneumatic diaphragm pump 3 has high corrosion resistance, the solid-liquid mixture after tin precipitation can be sent to a filter bag type centrifugal filter 4, solid impurities such as tin and the like in the wastewater can be separated out through the filter bag type centrifugal filter 4, the separated wastewater is conveyed into a second waste liquid storage barrel 5 through a pipeline, the second waste liquid storage barrel 5 stores the separated wastewater and conveys the separated wastewater to an electrolytic cell through a wastewater pipeline, the electrolytic cell is a diaphragm electrolytic cell with a cathode chamber 6 and an anode chamber 7, the wastewater flows in from the anode chamber 7 and overflows from the cathode chamber 6, a copper simple substance is separated out from the waste liquid through the cathode chamber, nitric acid, a copper surface corrosion inhibitor, iron ions and other substances are supplemented in an adjusting tank 8, and the wastewater is adjusted into qualified new tin-stripping water through mixing and stirring of a stirring device.
During the use, turn on motor 21, carry the waste water in first waste liquid storage bucket 1 in stirring mixing tank 2 through pipeline 9 and stir, pump the waste water after the stirring into centrifugal filter through pneumatic diaphragm pump 3 and come out solid debris such as tin wherein, separate out and separate copper simple substance from waste water through the electrolysis trough, supply substances such as nitric acid and copper surface corrosion inhibitor and iron ion in adjustment tank 8, adjust waste water into qualified new tin water that moves back.
The utility model provides a tin and copper in the tin waste liquid will move back through a plurality of equipment are adopted in the design and are drawed to carry out the reprocessing to remaining waste liquid and adjust into new tin water that moves back, make waste water treatment become simple, reduced the cost of processing, satisfied the recovery and the cyclic utilization of a large amount of effective resources.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The utility model provides a PCB moves back tin waste liquid and retrieves and cyclic regeneration device, its characterized in that, including first waste liquid bucket, stirring mixing tank, centrifugal filter, second waste liquid bucket, electrolysis trough, the adjustment tank that uses the pipe connection in proper order, the stirring mixing tank with all be equipped with on the adjustment tank motor and with motor electric connection's agitating unit, the stirring mixing tank with be equipped with the pump on the pipeline that is used for connecting between the centrifugal filter.
2. The PCB tin stripping waste liquid recovery and recycling device as claimed in claim 1, wherein the stirring device comprises a stirring rod and a stirring blade fixed on the stirring rod, and the stirring rod is electrically connected with the motor.
3. The PCB tin stripping waste liquid recovery and recycling regeneration device as claimed in claim 1, wherein the pump is a pneumatic diaphragm pump.
4. The PCB tin stripping waste liquid recovery and recycling device as claimed in claim 1, wherein the centrifugal filter is a filter bag type centrifugal filter.
5. The PCB tin stripping waste liquid recovery and recycling regeneration device as claimed in claim 1, wherein the electrolytic cell is a diaphragm electrolytic cell with a cathode chamber and an anode chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922181902.0U CN211170902U (en) | 2019-12-03 | 2019-12-03 | PCB moves back tin waste liquid and retrieves and cyclic regeneration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922181902.0U CN211170902U (en) | 2019-12-03 | 2019-12-03 | PCB moves back tin waste liquid and retrieves and cyclic regeneration device |
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| Publication Number | Publication Date |
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| CN211170902U true CN211170902U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922181902.0U Active CN211170902U (en) | 2019-12-03 | 2019-12-03 | PCB moves back tin waste liquid and retrieves and cyclic regeneration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113322377A (en) * | 2021-05-28 | 2021-08-31 | 江西威尔高电子科技有限公司 | Tin stripping extraction device for circuit board production |
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2019
- 2019-12-03 CN CN201922181902.0U patent/CN211170902U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113322377A (en) * | 2021-05-28 | 2021-08-31 | 江西威尔高电子科技有限公司 | Tin stripping extraction device for circuit board production |
| CN113322377B (en) * | 2021-05-28 | 2023-03-28 | 江西威尔高电子股份有限公司 | Tin stripping extraction device for circuit board production |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220111 Address after: 518000 5b, Yingxie building, No. 6027, Binhe Avenue, Haibin community, Futian street, Futian District, Shenzhen, Guangdong Province Patentee after: Guangdong Xinling Environmental Technology Co.,Ltd. Address before: 201800 area B, 2nd floor, building 1, 85 Hengle Road, Waigang Town, Jiading District, Shanghai Patentee before: SHANGHAI BALING ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |