CN202081176U - Copper extraction equipment adopting direct electrolysis of waste etching liquors - Google Patents
Copper extraction equipment adopting direct electrolysis of waste etching liquors Download PDFInfo
- Publication number
- CN202081176U CN202081176U CN201120154753XU CN201120154753U CN202081176U CN 202081176 U CN202081176 U CN 202081176U CN 201120154753X U CN201120154753X U CN 201120154753XU CN 201120154753 U CN201120154753 U CN 201120154753U CN 202081176 U CN202081176 U CN 202081176U
- Authority
- CN
- China
- Prior art keywords
- etching
- groove
- liquor
- electrolysis
- waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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 discloses copper extraction equipment adopting direct electrolysis of waste etching liquors. The equipment comprises an electrolysis system, and an etching machine, a waste liquor barrel, a regenerated liquor barrel, a blending barrel and a sub-liquor barrel which serve as peripheral equipment. Specially-designed electrode connection methods and matched current and voltage supplies are adopted, that is, an acid electrolysis cell and corresponding voltage and current are used for an acid waste etching liquor, and electrodes in the acid electrolysis cell are connected in parallel; and an alkaline electrolysis cell and corresponding voltage and current are used for an alkaline waste etching liquor, and electrodes in the alkaline electrolysis cell are connected in series. Therefore, anodes and cathodes can be directly put into the electrolysis cells to electrolyze the acid waste etching liquor and the alkaline waste etching liquor, and other components are prevented from mixing with the etching waste liquors during the whole process, so that the components of the waste etching liquors are not destroyed, which achieves more stable performance of a regenerated sub-liquor for recycling, as well as lower cost of the whole treatment process. The equipment further solves the problem that effective treatment techniques for the acid waste etching liquor are absent at present.
Description
Technical field
The utility model relates to a kind of equipment that reclaims copper from etching waste liquor.
Background technology
Etching work procedure in pcb board (wiring board) manufacturing process is one important procedure that wiring board is made.The etching waste liquor that produces in the etching work procedure contains a large amount of cupric ions, as with its direct discharging, not only wastes a large amount of copper, and the meeting serious environment pollution, and therefore, etching waste liquor all will carry out copper earlier and reclaim, and then discharging or utilization again.At present, some producer adopts acid etching technology, and the producer that has then adopts alkali etching technology, and the acid-basicity etch process respectively has quality, and acid etching is fit to do internal layer, allegro, common single dual platen, and its etching speed is slower; Alkali etching is fit to do high-accuracy plate, and its etching speed is fast.
At present, regeneration problem for alkaline etching waste liquid for producing has two methods usually, the first, neutralization precipitation method, this method is by add ammoniacal liquor in etching waste liquor, mix/post precipitation obtains cupric chloride and etching waste liquor, the cupric chloride that wherein obtains is pulverous, be not easy to preserve, and price is very low; And etching waste liquor just directly discharges after doing simple process, and shift in the source that pollutes, and this method is eliminated just gradually; The second, solvent extration briefly adds extraction agent exactly in alkaline etching waste liquid for producing, obtain copper-containing solution and etching regenerated liquid, and regenerated liquid obtains new liquid and sends into etching machine once more and recycle after allotment; Then add sulfuric acid in the copper-containing solution, its separation is obtained extraction agent and copper-bath, extraction cycle is used, and then electrolysis obtains copper metal and sulfuric acid to copper-bath through the common electrical solution again.Its advantage is, the electrolytic copper quality better, and price is higher, and etching waste liquor can recycling utilization; Shortcoming is will use extraction agent, the cost height, operation is more loaded down with trivial details, and extraction agent can infiltrate regenerated liquid, influences etch-rate and etching waste liquor recycles the life-span, cause etching waste liquor to need periodic replacement, Ang Gui extraction agent need regularly replace in addition, and expensive anode also will regularly replace; Need to add sulfuric acid in addition and convert alkaline etching waste liquid for producing to the tart etching waste liquor, and displace copper sulfate, and then obtain copper with common electrical solution electrolysis copper-bath, whole complex technical process, the cost height, and sulfuric acid has certain danger, and economical effectiveness is bad.
And for acidic etching waste liquid, up to the present also there is not a kind of good treatment technology can solve its regeneration problem well, its reason is that the sodium ion in the acidic etching waste liquid is difficult to produce reaction with other materials, cause the deposition of sodium ion, and sodium ion is difficult to separate from etching waste liquor, so the regeneration problem of acidic etching waste liquid all is a difficult problem at present at home, in the world.
The utility model content
The purpose of this utility model provides a kind of equipment that can directly reclaim copper by electrolytic acid etching waste liquor or alkaline etching waste liquid for producing and obtain regenerated liquid.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: copper equipment is carried in the direct electrolysis of a kind of etching waste liquor, comprise electrolytic system and as the etching machine of peripherals, waste liquid barrel, regenerated liquid bucket, allotment bucket and sub-liquid bucket, electrolytic system, etching machine, waste liquid barrel, regenerated liquid bucket, allotment bucket and recycle system of the barrel-shaped one-tenth of sub-liquid, it is characterized in that: electrolytic system comprises cooling tank, recycle pump, electrolyzer, switch box and gasification groove, electrolysis bath circumference is the groove of bleeding, the groove of bleeding is communicated with the gasification groove, and rectifier is arranged in the switch box; The copper-extracting process process of alkaline etching waste liquid for producing is, changes etching waste liquor over to cooling tank from waste liquid barrel, carries out electrolysis by recycle pump suction electrolyzer and carry copper after cooling off; Provide electrolysis power by rectifier to electrode, wherein voltage is that 48V, electric current are 2500A; Whole electrolyzer is separated into the groove chamber of several independent with dividing plate, and each groove chamber connects cooling tank separately with pipeline; The indoor independently electrode that is provided with of each groove, electrode comprises two negative electrodes and an anode, and two negative electrodes are located at both sides, and anode is located between two negative electrodes, connect the anode power cord of rectifier after all negative electrodes are connected successively, connect the cathode power supply line of rectifier after all anodes are connected successively; After electrolysis was finished, liquid entered the regenerated liquid bucket, entered sub-liquid bucket after the allotment bucket adds alkali etching liquid medicine (being made up of ammoniacal liquor, etching base and water), offered the etching machine recycle at last again; The waste gas that produces in electrolytic process then enters the gasification groove through the groove of bleeding around the electrolyzer, delivers to the discharging of waste gas tower after the gasification groove carries out the water smoke spray;
The copper-extracting process process of acidic etching waste liquid is, changes etching waste liquor over to cooling tank from waste liquid barrel, carries out electrolysis by recycle pump suction electrolyzer and carry copper after cooling off; Provide electrolysis power by rectifier to electrode, wherein voltage is that 6-18V, electric current are 5000-100000A, pass between voltage and the electric current is: when voltage is 6V, 5000A≤electric current＜10000A, during 6V＜voltage≤12V, when 10000A≤electric current＜40000A, 12V＜voltage≤18V, 40000A≤electric current≤100000A; Whole electrolyzer is an integral channel chamber, groove chamber pipe connection cooling tank; Groove is indoor to be provided with some counter electrode, and every counter electrode comprises an anode and a negative electrode, the alternate intervals setting successively of anode and negative electrode, the be connected in parallel anode power cord of rectifier of the be connected in parallel cathode power supply line of rectifier of all anodes, all negative electrodes; After electrolysis was finished, liquid entered the regenerated liquid bucket, entered sub-liquid bucket after the allotment bucket adds acid etching liquid medicine (being made up of hydrochloric acid, etching base and water), offered the etching machine recycle at last again; The waste gas that produces in electrolytic process then enters the gasification groove through the groove of bleeding around the electrolyzer, delivers to the discharging of waste gas tower after the gasification groove carries out the water smoke spray.
Preferably, the gasification groove is a water smoke spray-type gasification groove, and the gasification groove connects the waste gas tower.
Preferably, electrolytic system also comprises the worktable that is used for operator's use.
The utility model is by the electrode connection mode of particular design and electric current that is complementary and voltage supply, promptly adopt acidic electrolysis groove and corresponding voltage and current at acidic etching waste liquid, electrode in the acidic electrolysis groove adopts and is connected in parallel, adopt alkaline electrolytic bath and corresponding voltage and current at alkaline etching waste liquid for producing, electrode in the alkaline electrolytic bath adopts and is connected in series, thereby can directly put anode and cathode electrolytic acid etching waste liquor and alkaline etching waste liquid for producing respectively into, when electric current drops to span of control, take out negative electrode and peel electrolytic copper, remaining etching waste liquor can recycle for production line through becoming the sub-liquid of regeneration after allocating, there is not the material of other composition to sneak into etching waste liquor in the whole process, therefore the component of etching waste liquor does not destroy, thereby make that the performance of the sub-liquid of regeneration is more stable, can recycle, and the cost of entire treatment process is lower always; Also solved the problem that present acidic etching waste liquid does not have effective treatment process on the other hand.
Description of drawings
Fig. 1 is the utility model structural representation block diagram;
Fig. 2 is the wiring construction synoptic diagram of alkaline electrolytic bath anode and cathode;
Fig. 3 is the wiring construction synoptic diagram of acidic electrolysis groove anode and cathode;
Fig. 4 is the FB(flow block) of the corresponding technology of the utility model.
Among the figure, 1 is electrolyzer, and 2 is dividing plate, and 3 is anode, and 4 is negative electrode, and 5 is the cathode power supply line, and 6 is anode power cord.
Embodiment
In the present embodiment, with reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, copper equipment is carried in the direct electrolysis of described etching waste liquor, comprise electrolytic system and as the etching machine of peripherals, waste liquid barrel, regenerated liquid bucket, allotment bucket and sub-liquid bucket, electrolytic system, etching machine, waste liquid barrel, regenerated liquid bucket, allotment bucket and recycle system of the barrel-shaped one-tenth of sub-liquid, it is characterized in that: electrolytic system comprises cooling tank, recycle pump, electrolyzer, switch box and gasification groove, electrolysis bath circumference is the groove of bleeding, the groove of bleeding is communicated with the gasification groove, and rectifier is arranged in the switch box; The copper-extracting process process of alkaline etching waste liquid for producing is, changes etching waste liquor over to cooling tank from waste liquid barrel, carries out electrolysis by recycle pump suction electrolyzer and carry copper after cooling off; Provide electrolysis power by rectifier to electrode, wherein voltage is that 48V, electric current are 2500A; Whole electrolyzer 1 usefulness dividing plate 2 is separated into the groove chamber of several independent, and each groove chamber connects cooling tank separately with pipeline; The indoor independently electrode that is provided with of each groove, electrode comprises two negative electrodes 4 and an anode 3, two negative electrodes 4 are located at both sides, anode 3 is located between two negative electrodes 4, connect the anode power cord 6 of rectifier after all negative electrodes 4 are connected successively, connect the cathode power supply line 5 of rectifier after all anodes 3 are connected successively; After electrolysis was finished, liquid entered the regenerated liquid bucket, entered sub-liquid bucket after the allotment bucket adds alkali etching liquid medicine (being made up of ammoniacal liquor, etching base and water), offered the etching machine recycle at last again; The waste gas that produces in electrolytic process then enters the gasification groove through the groove of bleeding around the electrolyzer, delivers to the discharging of waste gas tower after the gasification groove carries out the water smoke spray;
The copper-extracting process process of acidic etching waste liquid is, changes etching waste liquor over to cooling tank from waste liquid barrel, carries out electrolysis by recycle pump suction electrolyzer and carry copper after cooling off; Provide electrolysis power by rectifier to electrode, wherein voltage is 12V, voltage is 10000A, can certainly be that voltage is that 6-18V, electric current are 5000-100000A, wherein the pass between voltage and the electric current be: when voltage is 6V, and 5000A≤electric current＜10000A, during 6V＜voltage≤12V, when 10000A≤electric current＜40000A, 12V＜voltage≤18V, 40000A≤electric current≤100000A; Whole electrolyzer 1 is an integral channel chamber, groove chamber pipe connection cooling tank; Groove is indoor to be provided with some counter electrode, and every counter electrode comprises an anode 3 and a negative electrode 4, anode 3 and negative electrode 4 alternate intervals setting successively, the be connected in parallel anode power cord 6 of rectifier of the be connected in parallel cathode power supply line 5 of rectifier of all anodes 3, all negative electrodes 4; After electrolysis was finished, liquid entered the regenerated liquid bucket, entered sub-liquid bucket after the allotment bucket adds acid etching liquid medicine (being made up of hydrochloric acid, etching base and water), offered the etching machine recycle at last again; The waste gas that produces in electrolytic process then enters the gasification groove through the groove of bleeding around the electrolyzer, delivers to the discharging of waste gas tower after the gasification groove carries out the water smoke spray.
The gasification groove is a water smoke spray-type gasification groove, and the gasification groove connects the waste gas tower.
Electrolytic system also comprises the worktable that is used for operator's use.
The cost that adopts the utility model art breading acidic etching waste liquid whenever to carry 1 ton of copper is: hydrochloric acid 1000kg, and etching salt 700kg, 5 tons in water, electricity 3500 degree, other adds about altogether 8000 yuan of labour cost etc.
Below the utility model is described in detail, the above only is the preferred embodiment of the utility model, when not limiting the utility model practical range, be allly to do impartial change and modify, all should still belong in the utility model covering scope according to the application's scope.
Claims (3)
1. copper equipment is carried in the direct electrolysis of etching waste liquor, comprise electrolytic system and as the etching machine of peripherals, waste liquid barrel, regenerated liquid bucket, allotment bucket and sub-liquid bucket, electrolytic system, etching machine, waste liquid barrel, regenerated liquid bucket, allotment bucket and recycle system of the barrel-shaped one-tenth of sub-liquid, it is characterized in that: electrolytic system comprises cooling tank, recycle pump, electrolyzer, switch box and gasification groove, electrolysis bath circumference is the groove of bleeding, the groove of bleeding is communicated with the gasification groove, and rectifier is arranged in the switch box; Be used for electrolyzer that alkaline etching waste liquid for producing carries copper and be separated into the groove chamber of several independent by dividing plate, each groove chamber connects cooling tank separately with pipeline; The indoor independently electrode that is provided with of each groove, electrode comprises two negative electrodes and an anode, and two negative electrodes are located at both sides, and anode is located between two negative electrodes, connect the anode power cord of rectifier after all negative electrodes are connected successively, connect the cathode power supply line of rectifier after all anodes are connected successively;
Being used for acidic etching waste liquid, to carry the electrolyzer of copper be an integral channel chamber, groove chamber pipe connection cooling tank; Groove is indoor to be provided with some counter electrode, and every counter electrode comprises an anode and a negative electrode, the alternate intervals setting successively of anode and negative electrode, the be connected in parallel anode power cord of rectifier of the be connected in parallel cathode power supply line of rectifier of all anodes, all negative electrodes.
2. copper equipment is carried in the direct electrolysis of etching according to claim 1, it is characterized in that: the gasification groove is a water smoke spray-type gasification groove, and the gasification groove connects the waste gas tower.
3. copper equipment is carried in the direct electrolysis of etching according to claim 1, it is characterized in that: electrolytic system also comprises the worktable that is used for operator's use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120154753XU CN202081176U (en) | 2011-05-16 | 2011-05-16 | Copper extraction equipment adopting direct electrolysis of waste etching liquors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120154753XU CN202081176U (en) | 2011-05-16 | 2011-05-16 | Copper extraction equipment adopting direct electrolysis of waste etching liquors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202081176U true CN202081176U (en) | 2011-12-21 |
Family
ID=45341816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120154753XU Expired - Fee Related CN202081176U (en) | 2011-05-16 | 2011-05-16 | Copper extraction equipment adopting direct electrolysis of waste etching liquors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202081176U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590070A (en) * | 2012-08-17 | 2014-02-19 | 成都虹华环保科技有限公司 | Copper bar structure for electrode connection in electrical etching liquid |
| CN104630825A (en) * | 2015-01-20 | 2015-05-20 | 昆山美源达环保科技有限公司 | Device and process for electrolytically extracting copper in acidic etching liquid |
| CN110042425A (en) * | 2019-04-23 | 2019-07-23 | 博罗县华盈科技有限公司 | A kind of heavy process for copper of alkaline etching waste liquid for producing direct electrowinning |
-
2011
- 2011-05-16 CN CN201120154753XU patent/CN202081176U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590070A (en) * | 2012-08-17 | 2014-02-19 | 成都虹华环保科技有限公司 | Copper bar structure for electrode connection in electrical etching liquid |
| CN103590070B (en) * | 2012-08-17 | 2015-11-04 | 成都虹华环保科技有限公司 | For the structure of copper bar of Electrode connection in electrolytically etching liquid |
| CN104630825A (en) * | 2015-01-20 | 2015-05-20 | 昆山美源达环保科技有限公司 | Device and process for electrolytically extracting copper in acidic etching liquid |
| CN110042425A (en) * | 2019-04-23 | 2019-07-23 | 博罗县华盈科技有限公司 | A kind of heavy process for copper of alkaline etching waste liquid for producing direct electrowinning |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102206823A (en) | Process for directly electrolyzing waste etching solution to extract copper | |
| CN101768742B (en) | Regenerated acidic etching solution, copper recycling method and special device thereof | |
| CN202945326U (en) | Acidic waste etching solution recycling system | |
| CN104894599A (en) | Recycling process of tin-removing waste liquid | |
| CN102732888A (en) | Method and system for regenerating and recycling acidic etching waste liquor | |
| CN102206835A (en) | Acid etchant online electrolytic recycling device and etchant regenerating method | |
| CN102912375B (en) | Method and the special purpose device thereof of copper is reclaimed from acidic etching liquid | |
| CN202492580U (en) | Acid etching liquid recycling device of PCB (Printed Circuit Board) | |
| CN103265094A (en) | Method for recycling nitric acid and copper from waste water generated in production of printed circuit board | |
| CN106884185A (en) | The technique and system and device of copper in a kind of recovery acidic etching liquid | |
| CN202492581U (en) | Acid etching solution cyclic regeneration unit for printed wiring board | |
| CN202201979U (en) | Acidity etching liquid recycling and copper recovering device | |
| CN202081176U (en) | Copper extraction equipment adopting direct electrolysis of waste etching liquors | |
| CN101024546B (en) | Copper etching liquid regeneration circulation method and apparatus | |
| CN102286746B (en) | Recycling and regeneration of acid etching solution and copper recycling device | |
| CN102560499A (en) | Device for recycling printed circuit board acidic etching solution | |
| CN202246899U (en) | Ion membrane electrolytic bath | |
| CN102618873A (en) | Ammonia washing water circulation system and method of PCB (Printed Circuit Board) etching line | |
| CN204151415U (en) | A kind of regenerating alkaline etching liquid circulating production line | |
| CN204982072U (en) | Acid etching waste liquid copper recovery device | |
| CN203307434U (en) | Regeneration treatment system of acidic etching waste liquid | |
| CN208087748U (en) | Two-component acidity etching liquid recycling device | |
| CN202499908U (en) | Alkaline etching liquid regeneration and copper recovery system | |
| CN204625787U (en) | A kind of alkaline etching liquid electrolysis cycle regeneration system rapidly | |
| CN204779868U (en) | Many metal separation of centrifugation electrodeposition and purification system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20140516 |