CN202297786U - Micro erosion liquid copper recycling system for circuit board - Google Patents
Micro erosion liquid copper recycling system for circuit board Download PDFInfo
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- CN202297786U CN202297786U CN2011203635291U CN201120363529U CN202297786U CN 202297786 U CN202297786 U CN 202297786U CN 2011203635291 U CN2011203635291 U CN 2011203635291U CN 201120363529 U CN201120363529 U CN 201120363529U CN 202297786 U CN202297786 U CN 202297786U
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- cylinder
- liquid medicine
- micro
- liquid
- tank
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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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Abstract
The utility model discloses a micro erosion liquid copper recycling system for a circuit board. The micro erosion liquid copper recycling system comprises an intermediate tank, a medical liquid recovery tank, an electrolytic tank, a micro erosion treatment cylinder and a micro erosion waste liquid tank, wherein the micro erosion treatment cylinder is connected with the micro erosion waste liquid tank; the micro erosion waste liquid tank is connected with the intermediate tank through a filtering pump and a water inlet valve; the intermediate tank is connected with the electrolytic tank through the intermediate tank and an electrolytic water valve; the electrolytic tank is connected with the medical liquid recovery tank through a recovery pump and a recovery valve; and the medical liquid recovery tank is connected with the micro erosion treatment cylinder. Compared with the prior art, the micro erosion liquid copper recycling system disclosed by the utility model has the beneficial effects that the manufacture is simple, and the cost is low; copper ions in micro erosion liquid can be recovered on a production line, so that the service life of medical liquid is prolonged from the original one day to one month; the micro erosion medical liquid after being subjected to copper electrolytic analysis can be utilized again, so that the production cost is reduced; and meanwhile, due to the recovery of the copper ions, micro erosion wastewater can not generate sludge in the treatment process, so that a special sewage treatment mechanism is not required to be paid, and the treatment cost of the wastewater is reduced.
Description
Technical field
The utility model belongs to PCB manufacturing technology field, and what be specifically related to is a kind of wiring board micro-etching solution copper recovery of circulatory system, is mainly used in the recycling to copper in the micro-etching solution and liquid medicine, to reduce discharge of wastewater, reduces production costs, and enhances productivity.
Background technology
Roughening treatment is claimed in little erosion again; Usually be used in wiring board pre-treatment, plating and the heavy copper process process; Its effect is to utilize weak erosion agent to etch away 1~2 micron copper from the copper body surface, thereby obtains the uneven surface of a chemically cleaning, and it is good that chemical plating copper layer and end copper are combined.Micro-etching solution commonly used is H
2SO
4/ Na
2S
2O
8And H
2SO
4/ H
2O
2System, H
2SO
4/ H
2O
2Prescription is: H
2SO
4150~200g/l, H
2O
230~35g/l, stablizer is an amount of.The chemical reaction that takes place in little erosion process is following:
Cu+H
2O
2+H
2SO
4→CuSO
4+2H
2O
Can find out from above-mentioned reaction, can produce after wiring board is handled through little erosion and contain Cu in a large number
2+And SO
4 2-Waste liquid, directly discharging then can cause severe contamination to environment, and can cause significant wastage if do not handle.
Therefore, the waste liquid after wiring board producer all can handle little erosion handled, and meeting the emission request of environmental administration, and reaches the purpose that saves production cost.The maximum way of industry is at present: directly be discharged into sewage lagoon to micro-etching solution and go to handle; This traditional processing mode is because add a large amount of chemical agents, so except running cost is higher; Also having a large amount of copper mud produces; And present stage numerous PCB enterprises also can't copper mud be handled fully, usually all is to pay to handle for the recycling mechanism of specialty, this has seriously increased the cost of wastewater treatment.
The utility model content
For this reason, the purpose of the utility model is to provide a kind of wiring board micro-etching solution copper recovery of circulatory system, to solve the problem that existing cost is higher, copper mud can't be handled in the present wiring board micro-etching solution treating processes.
For realizing above-mentioned purpose, the utility model mainly adopts following technical scheme:
A kind of wiring board micro-etching solution copper recovery of circulatory system; Comprise medial launder (1), liquid medicine accumulator tank (2), electrolyzer (3), little erosion processing cylinder (5) and micro-etched waste liquid cylinder (6); Said little erosion is handled cylinder (5) and is connected with micro-etched waste liquid cylinder (6); Micro-etched waste liquid cylinder (6) is connected with medial launder (1) through filtration pump (7), water intaking valve (8); Said medial launder (1) is connected with electrolyzer (3) through line pump (14), electrolysis water valve (10), and electrolyzer (3) is connected with liquid medicine accumulator tank (2) through recovery pump (12), recovery valve (13), and liquid medicine accumulator tank (2) is handled cylinder (5) with little erosion and is connected.
Wherein said liquid medicine accumulator tank (2) and little erosion are handled and also are provided with liquid medicine interpolation groove (4) between the cylinder (5); This liquid medicine adds groove (4) and comprises dioxygen water vat (401), stablizer cylinder (402), and said dioxygen water vat (401), stablizer cylinder (402) are connected to little erosion through water pump (403) and handle cylinder (5).
Isolate through dividing plate in the middle of the wherein said medial launder (1), said dividing plate one side is a liquid medicine transfer cylinder (103), and opposite side top is equipped with adjustment machine (101), the bottom is equipped with motor-generator set (102).
Wherein said liquid medicine accumulator tank (2) reclaims cylinder (202) two portions by sulfuric acid cylinder (201) and liquid medicine and constitutes.
Wherein said electrolyzer (3) comprises a liquid medicine circulation cylinder (303), and this liquid medicine circulation cylinder (303) inside is equipped with liquid medicine circulating line (305) and electrolysis copper coin (304), and top is equipped with motor-generator set (302) and controlling box (301).
The utility model micro-etched waste liquid enters into medial launder after filtering through filtration pump; Adjustment of adjustment machine and motor-generator set rectification through medial launder; Be extracted into by line pump in the liquid medicine circulation cylinder of electrolyzer; Provide power to make waste liquid drive micro-etched waste liquid through recycle pump and flow, and in liquid medicine circulation cylinder, electrolytic reaction takes place, copper is constantly deposited on the electrolysis copper coin at the cylinder internal recycle through the liquid medicine circulating line; The liquid medicine that electrolysis is analysed after copper is handled then receives that through the recovery blowback liquid medicine of liquid medicine accumulator tank reclaims in the cylinder, replenishes little erosion liquid medicine as soup.
With compared with techniques in the past, the utility model is made simple, cheap, on production line, can carry out the recovery of cupric ion in the micro-etching solution; Make liquid medicine extend to one month by original one day work-ing life, little erosion liquid medicine that electrolysis is analysed behind the copper can utilize once more, greatly reduces production cost; Simultaneously, owing to the recovery to cupric ion, little erosion waste water can not produce mud again in treating processes; So need not the professional WWT mechanism that rebills, reduced the processing cost of waste water.
Description of drawings
Fig. 1 is the system principle diagram of the utility model.
Fig. 2 is that the position of the utility model medial launder and liquid medicine accumulator tank concerns synoptic diagram.
Fig. 3 is the structural representation of the utility model electrolyzer.
Fig. 4 adds the structural representation of groove for the utility model liquid medicine.
Identifier declaration among the figure: medial launder 1; Adjustment machine 101; Motor-generator set 102; Liquid medicine transfer cylinder 103; Liquid medicine accumulator tank 2; Sulfuric acid cylinder 201; Liquid medicine reclaims cylinder 202; Electrolyzer 3; Controlling box 301; Motor-generator set 302; Liquid medicine circulation cylinder 303; Electrolysis copper coin 304; Liquid medicine circulating line 305; Liquid medicine adds groove 4; Dioxygen water vat 401; Stablizer cylinder 402; Water pump 403; Cylinder 5 is handled in little erosion; Micro-etched waste liquid cylinder 6; Filtration pump 7; Water intaking valve 8; Recycle valve 9; Electrolysis water valve 10; Recycle pump 11; Reclaim pump 12; Recovery valve 13; Line pump 14.
Embodiment
For setting forth the thought and the purpose of the utility model, will combine accompanying drawing and specific embodiment that the utility model is done further explanation below.
See also shown in Figure 1ly, Fig. 1 is the system principle diagram of the utility model.The utility model provides a kind of wiring board micro-etching solution copper recovery of circulatory system, is used for solving the problem that the existing cost of present wiring board micro-etching solution treating processes is higher, copper mud can't be handled.
Wherein this system includes medial launder 1, liquid medicine accumulator tank 2, electrolyzer 3, liquid medicine interpolation groove 4, little erosion processing cylinder 5 and micro-etched waste liquid cylinder 6.
Wherein little erosion is handled cylinder 5 and is carried out the utensil that little erosion is handled for wiring board pre-treatment, plating and heavy copper process wiring board, and the waste liquid that in said process, produces then enters into micro-etched waste liquid cylinder 6.
Micro-etched waste liquid cylinder 6 is connected with medial launder 1 through filtration pump 7, water intaking valve 8; Said medial launder 1 is connected with electrolyzer 3 through line pump 14, recycle valve 9, electrolysis water valve 10; Carrying out cyclic electrolysis through 11 pairs of waste liquids of recycle pump in the electrolyzer 3 handles; And be connected with liquid medicine accumulator tank 2 through recovery pump 12, recovery valve 13,2 of liquid medicine accumulator tanks add groove 4 through sulfuric acid cylinder 201, liquid medicine and are connected with little erosion processing cylinder 5.
As shown in Figure 2, Fig. 2 is that the position of the utility model medial launder and liquid medicine accumulator tank concerns synoptic diagram.Wherein said medial launder 1 is the body structure of rectangular parallelepiped, and three parts are divided in the internal space, and the casing that its left-half is positioned at the top is equipped with adjustment machine 101, and the below is equipped with motor-generator set 102, and the right half part of said medial launder 1 is a liquid medicine transfer cylinder 103.
Liquid medicine accumulator tank 2 is positioned at the below of medial launder 1, also is the body structure of rectangular parallelepiped, and its internal space is divided into two portions, and right-hand is sulfuric acid cylinder 201, and left is that liquid medicine reclaims cylinder 202.
As shown in Figure 3, Fig. 3 is the structural representation of the utility model electrolyzer.Wherein said electrolyzer 3 is a body structure, and the cabinet space of its top divides two portions, is separately installed with controlling box 301 and motor-generator set 302; The cabinet space of said electrolyzer below is a liquid medicine circulation cylinder 303, and its left is equipped with some electrolysis copper coins 304, all perpendicular to bottom half; Be arranged side by side, said electrolysis copper coin 304 upper ends are connected with power supply, and the lower end is apart from bottom half 100mm place; Do not touch bottom half; In the said liquid medicine circulation cylinder 303 liquid medicine circulating line 305 is installed also, diameter 50mm, said liquid medicine circulating line 305 1 ends extend to liquid medicine circulation cylinder 303 outsides; With get back to liquid medicine circulation cylinder 303 inside after water pump is connected, its other end Foldble disk is spun on the below of liquid medicine circulation cylinder 303.
As shown in Figure 4, Fig. 4 adds the structural representation of groove for the utility model liquid medicine.It is the cuboid box body structure that wherein said liquid medicine adds groove 4, and its internal space mainly is divided into dioxygen water vat 401 and stablizer cylinder 402 two portions, water pump 403 all is installed said above two-part, is used to extract liquid medicine and carries out interpolation work.
The principle of work of the utility model is: wiring board produces micro-etched waste liquid after treatment to the micro-etching solution cylinder; When the liquid level of treating the micro-etching solution cylinder acquires a certain degree; Micro-etched waste liquid is through the filtration pump filtration treatment; Remove impurity, and the liquid medicine transfer cylinder that residual waste solution is extracted in the medial launder is temporary, reach certain liquid after waste liquid through adjustment of adjustment machine and motor-generator set rectification; Be extracted into by line pump in the liquid medicine circulation cylinder of electrolyzer; Provide power to make waste liquid drive micro-etched waste liquid through the liquid medicine circulating line through recycle pump and flow at the cylinder internal recycle, the cupric ion in the waste liquid constantly deposits copper through following electrolytic reaction: Cu2++2e → Cu takes place under the electrolysis copper coin galvanic action on the electrolysis copper coin at this moment; The liquid medicine (composition is sulfuric acid, ydrogen peroxide 50 and stablizer) that electrolysis is analysed after copper is handled then receives that through the recovery blowback liquid medicine of liquid medicine accumulator tank reclaims in the cylinder, as soup little erosion liquid medicine has just been carried out liquid level and has replenished.Simultaneously; In process of production; Through the regular water pump that uses of setting-up time cycle little erosion liquid medicine cylinder is carried out sulfuric acid and the ydrogen peroxide 50 in the liquid medicine interpolation groove and the interpolation of stablizer in the sulfuric acid cylinder, guarantee each component content of liquid medicine, with the copper recovery in the realization micro-etched waste liquid and the cycling and reutilization of liquid medicine.
More than be that a kind of wiring board micro-etching solution copper recovery of circulatory system that the utility model is provided has carried out detailed introduction; Used concrete example among this paper the structural principle and the embodiment of the utility model are set forth, above embodiment just is used to help to understand the method and the core concept thereof of the utility model; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (5)
1. wiring board micro-etching solution copper recovery of circulatory system; It is characterized in that comprising medial launder (1), liquid medicine accumulator tank (2), electrolyzer (3), little erosion processing cylinder (5) and micro-etched waste liquid cylinder (6); Said little erosion is handled cylinder (5) and is connected with micro-etched waste liquid cylinder (6); Micro-etched waste liquid cylinder (6) is connected with medial launder (1) through filtration pump (7), water intaking valve (8); Said medial launder (1) is connected with electrolyzer (3) through line pump (14), electrolysis water valve (10), and electrolyzer (3) is connected with liquid medicine accumulator tank (2) through recovery pump (12), recovery valve (13), and liquid medicine accumulator tank (2) is handled cylinder (5) with little erosion and is connected.
2. wiring board micro-etching solution copper recovery of circulatory system according to claim 1; It is characterized in that also being provided with between said liquid medicine accumulator tank (2) and the little erosion processing cylinder (5) liquid medicine and add groove (4); This liquid medicine adds groove (4) and comprises dioxygen water vat (401), stablizer cylinder (402), and said dioxygen water vat (401), stablizer cylinder (402) are connected to little erosion through water pump (403) and handle cylinder (5).
3. wiring board micro-etching solution copper recovery of circulatory system according to claim 1; It is characterized in that isolating through dividing plate in the middle of the said medial launder (1); Said dividing plate one side is a liquid medicine transfer cylinder (103), and opposite side top is equipped with adjustment machine (101), the bottom is equipped with motor-generator set (102).
4. wiring board micro-etching solution copper recovery of circulatory system according to claim 1 is characterized in that said liquid medicine accumulator tank (2) reclaims cylinder (202) two portions by sulfuric acid cylinder (201) and liquid medicine and constitutes.
5. wiring board micro-etching solution copper recovery of circulatory system according to claim 1; It is characterized in that said electrolyzer (3) comprises a liquid medicine circulation cylinder (303); This liquid medicine circulation cylinder (303) inside is equipped with liquid medicine circulating line (305) and electrolysis copper coin (304), and top is equipped with motor-generator set (302) and controlling box (301).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011203635291U CN202297786U (en) | 2011-09-26 | 2011-09-26 | Micro erosion liquid copper recycling system for circuit board |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011203635291U CN202297786U (en) | 2011-09-26 | 2011-09-26 | Micro erosion liquid copper recycling system for circuit board |
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Publication Number | Publication Date |
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CN202297786U true CN202297786U (en) | 2012-07-04 |
Family
ID=46366721
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CN2011203635291U Expired - Fee Related CN202297786U (en) | 2011-09-26 | 2011-09-26 | Micro erosion liquid copper recycling system for circuit board |
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CN (1) | CN202297786U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105671554A (en) * | 2016-03-17 | 2016-06-15 | 惠州市星之光科技有限公司 | Electrolytic low-content copper ion recovery device |
-
2011
- 2011-09-26 CN CN2011203635291U patent/CN202297786U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105671554A (en) * | 2016-03-17 | 2016-06-15 | 惠州市星之光科技有限公司 | Electrolytic low-content copper ion recovery device |
CN105671554B (en) * | 2016-03-17 | 2018-08-17 | 惠州市星之光科技有限公司 | A kind of electrolysis low content copper ion retracting device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20140926 |
|
EXPY | Termination of patent right or utility model |