CN208577785U - A kind of useless acidic etching liquid copper recycling and regenerative system - Google Patents
A kind of useless acidic etching liquid copper recycling and regenerative system Download PDFInfo
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- CN208577785U CN208577785U CN201821038233.0U CN201821038233U CN208577785U CN 208577785 U CN208577785 U CN 208577785U CN 201821038233 U CN201821038233 U CN 201821038233U CN 208577785 U CN208577785 U CN 208577785U
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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 kind of useless acidic etching liquid copper recycling and regenerative systems, belong to field of waste water treatment.It includes liquid waste tank (1), electrolytic regeneration device (2), control room (3), solenoid chamber (4), filter vat (5), filtrate storage tank (6) and regenerated liquid allotment bucket (7)；Liquid waste tank (1) is connected with electrolytic regeneration device (2) by infusion pump, and the bottom of electrolytic regeneration device (2) is equipped with bottom valve, is connected by bottom valve with solenoid chamber (4), and outside is equipped with coil；The liquid waste tank (1) is used to control the current density and tank voltage in electrolytic regeneration device (2) for collecting spent etching solution, control room (3)；It is equipped with anode chamber and cathode chamber in the electrolytic regeneration device (2), is equipped with cation-exchange membrane therebetween using copper sheet as anode and cathode is made with stainless steel plate.The utility model will not generate waste liquid, be conducive to protect environment, reduce the production cost of enterprise.
Description
Technical field
The utility model belongs to field of waste water treatment more particularly to a kind of useless acidic etching liquid copper recycling and regenerative system.
Background technique
Etching solution regeneration is actually that the etching mother liquor being discharged in printed circuit board (PCB) etching line uses enclosed circulation
Copper ion therein is extracted the process for returning again to production line by system, etched liquid regeneration cycle equipment.Acid etching is again
It is raw to use " electrolysis with ion-exchange film copper " technique.The technique is that the anode region of electrolytic cell and cathodic region are separated into two solely with ionic membrane
Vertical region；Anode region is spent etching solution renewing zone, and the univalent copper ion in the spent etching solution after dropping copper is passed through electrochemistry by it
Reaction generates bivalent cupric ion, regenerates spent etching solution；Cathodic region is copper recovery area, selective by ion diaphragm
Make the ion directional migration in solution, the copper ion in solution is allowed to obtain electron reduction into metallic copper.
Application No. is the Chinese patent applications of CN201210304391.7 to disclose a kind of acidity etching liquid recycling system
System, including sequentially connected etching production line watering equipment (1), transfer mother liquor tank (2), mother liquor tank (3), acidic etching liquid circulation
Regenerate equipment group (7), the sub- flow container (8) of regeneration, Agitation Tank (9), filter (10), sub- flow container (11), two adjacent portions
High-pressure pump is also connected between part.This acidity etching liquid recycling system of invention design, it is high-efficient, it is at low cost, it accounts for
Ground area is few, but can generate chlorine.
Summary of the invention
The utility model in order to solve problems in the prior art, provides a kind of useless acidic etching liquid copper recycling and regeneration system
System, using circulation and regeneration technology, not only improves environmental protection, and can recycle copper, realizes the effective use of the energy.
In order to solve the above-mentioned technical problem, the utility model uses following technical scheme:
A kind of useless acidic etching liquid copper recycling and regenerative system, including liquid waste tank, electrolytic regeneration device, control room, electricity
Magnetic room, filter vat, filtrate storage tank and regenerated liquid allotment bucket；Liquid waste tank is connected with electrolytic regeneration device by infusion pump, electrolysis
The bottom of regenerating unit is equipped with bottom valve, is connected by bottom valve with solenoid chamber, and outside is equipped with coil；The liquid outlet of solenoid chamber and filtering
Bucket inlet be connected, the liquid outlet of filter vat is connected with the inlet of filtrate storage tank, filtrate storage tank then with regenerated liquid allotment bucket
It is connected；
The liquid waste tank is used to control the current density in electrolytic regeneration device for collecting spent etching solution, control room
And tank voltage；
It is equipped with anode chamber and cathode chamber in the electrolytic regeneration device, is equipped with cation-exchange membrane, therebetween with copper
Plate makees cathode as anode, with stainless steel plate.
Preferably, the cathode plate is with a thickness of 1.5-2.0mm.
Preferably, the electrolytic regeneration device uses sulfuric acid as anolyte, made with the acidic etching liquid after dilution
For catholyte.
Preferably, being additionally provided with blender in the solenoid chamber.
The utility model has the following beneficial effects:
1, by depositing recycling copper by cathode, the volume of etching solution will not change and will not produce the utility model
Raw waste liquid is conducive to protect environment, reduces the production cost of enterprise.
2, it reduces vacuum pump to filter, simplifies step, reduce production cost.
3, electrolysis is precipitated during copper, and chloride ion is not present in anolyte, very small to the loss of anode.
4, the circular regeneration of etching solution and the recycling to copper are realized.
Detailed description of the invention
Fig. 1 is the flow diagram of useless acidic etching liquid copper recycling and regenerative system.
Fig. 2 is the structural schematic diagram of electrolytic regeneration device.
In figure, each number is represented: 1, liquid waste tank；2, electrolytic regeneration device；3, control room；4, solenoid chamber；5, filter vat；
6, filtrate storage tank；7, regenerated liquid allotment bucket.
Specific embodiment
The utility model is further described in detail combined with specific embodiments below.
Embodiment 1
A kind of useless acidic etching liquid copper recycling and regenerative system, including liquid waste tank 1, electrolytic regeneration device 2, control room 3,
Solenoid chamber 4, filter vat 5, filtrate storage tank 6 and regenerated liquid allotment bucket 7.Liquid waste tank 1 is for collecting spent etching solution, liquid waste tank 1
It is connected with electrolytic regeneration device 2 by infusion pump, control room 3 is used to control current density and slot electricity in electrolytic regeneration device 2
Pressure etc..The bottom of electrolytic regeneration device 2 is equipped with bottom valve, is connected by bottom valve with solenoid chamber 4, blender is equipped in solenoid chamber 4, outside
Portion is equipped with coil, is powered.The liquid outlet of solenoid chamber is connected with the inlet of filter vat 5, the liquid outlet and filtrate storage tank of filter vat 5
6 inlet is connected, and filtrate storage tank 6 is then connected with regenerated liquid allotment bucket 7.
Be equipped with anode chamber and cathode chamber in electrolytic regeneration device 2, be equipped with cation-exchange membrane therebetween, using copper sheet as
Anode makees cathode with stainless steel, uses sulfuric acid as anolyte, and the acidic etching liquid after using dilution is as catholyte.Control electricity
Current density is in 1.5-3.3OASD, tank voltage 0.2-0.4V, anode precipitated oxygen and generates hydrogen ion, in the effect of electric field
The hydrogen ion of lower anode chamber increases the hydrogen ion concentration of cathode chamber persistently to cathodic migration, reaches balance, and the copper of cathode chamber
Ion is constantly precipitated on cathode plate, and the catholyte after electrolysis can be used as hydrochloric acid and return in the preparation of acidic etching liquid, wherein
Cation-exchange membrane the chloride ion in cathode chamber can be made not move to anode chamber, anode does not generate chlorine.
Useless acidic etching liquid copper recycling and regenerative process are as follows:
Useless acidic etching liquid is collected in liquid waste tank 1, is pumped into electrolytic regeneration device 2 by infusion pump by the first step；
Second step controls the parameters in electrolytic regeneration device 2 using control room 3, adjusts pH value, analyse copper ion
Out, after fully reacting, the bottom valve of 2 bottom of electrolytic regeneration device is opened, the etching solution that copper is precipitated is made to enter solenoid chamber 4；
Iron is adsorbed on the surrounding of solenoid chamber 4 by the suction-operated in magnetic field by third step, solenoid chamber 4, is removed ferro element, is beaten
The bottom valve for opening solenoid chamber makes etching solution flow into filter vat 5；
4th step precipitates 12-48h through filter vat 5, collects the copper powder of precipitating, dry through baking oven, recycling can be obtained
Copper；
5th step, the filtrate filtered through filter vat 5 enter filtrate storage tank 6, obtain after the allotment of regenerated liquid allotment bucket 7 new
Etching solution, be used for etching process, obtained spent etching solution is again introduced into circular regeneration in liquid waste tank.
The preferable specific embodiment of the above, only the utility model, the protection scope of the utility model are not limited to
This, anyone skilled in the art can become apparent in the technical scope that the utility model discloses
Technical solution simple change or equivalence replacement each fall in the protection scope of the utility model.
Claims (4)
1. a kind of useless acidic etching liquid copper recycling and regenerative system, which is characterized in that filled including liquid waste tank (1), electrolytic regeneration
Set (2), control room (3), solenoid chamber (4), filter vat (5), filtrate storage tank (6) and regenerated liquid allotment bucket (7)；Liquid waste tank (1)
It is connected with electrolytic regeneration device (2) by infusion pump, the bottom of electrolytic regeneration device (2) is equipped with bottom valve, passes through bottom valve and electromagnetism
Room (4) is connected, and outside is equipped with coil；The liquid outlet of solenoid chamber is connected with the inlet of filter vat (5), and filter vat (5) goes out liquid
Mouth is connected with the inlet of filtrate storage tank (6), and filtrate storage tank (6) is then connected with regenerated liquid allotment bucket (7)；The waste liquid storage
Slot (1) is used to control the current density and tank voltage in electrolytic regeneration device (2) for collecting spent etching solution, control room (3)；Institute
It is equipped with anode chamber and cathode chamber in the electrolytic regeneration device (2) stated, is equipped with cation-exchange membrane therebetween, using copper sheet as sun
Cathode is made with stainless steel plate in pole.
2. a kind of useless acidic etching liquid copper recycling according to claim 1 and regenerative system, which is characterized in that the cathode
Plate thickness is 1.5-2.0mm.
3. a kind of useless acidic etching liquid copper recycling according to claim 1 or 2 and regenerative system, which is characterized in that described
Electrolytic regeneration device (2) use sulfuric acid as anolyte, the acidic etching liquid after using dilution is as catholyte.
4. a kind of useless acidic etching liquid copper recycling according to claim 1 and regenerative system, which is characterized in that the electricity
Magnetic is additionally provided with blender in room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821038233.0U CN208577785U (en) | 2018-07-02 | 2018-07-02 | A kind of useless acidic etching liquid copper recycling and regenerative system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821038233.0U CN208577785U (en) | 2018-07-02 | 2018-07-02 | A kind of useless acidic etching liquid copper recycling and regenerative system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208577785U true CN208577785U (en) | 2019-03-05 |
Family
ID=65508628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821038233.0U Expired - Fee Related CN208577785U (en) | 2018-07-02 | 2018-07-02 | A kind of useless acidic etching liquid copper recycling and regenerative system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208577785U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2763856C1 (en) * | 2021-05-13 | 2022-01-11 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д.И. Менделеева (РХТУ им. Д.И. Менделеева) | Method for processing the spent solution of copper brightening |
| CN114401591A (en) * | 2022-01-10 | 2022-04-26 | 奥特斯科技(重庆)有限公司 | Regenerator for metal-containing fluids for use in component carrier manufacturing, systems and methods |
-
2018
- 2018-07-02 CN CN201821038233.0U patent/CN208577785U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2763856C1 (en) * | 2021-05-13 | 2022-01-11 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д.И. Менделеева (РХТУ им. Д.И. Менделеева) | Method for processing the spent solution of copper brightening |
| CN114401591A (en) * | 2022-01-10 | 2022-04-26 | 奥特斯科技(重庆)有限公司 | Regenerator for metal-containing fluids for use in component carrier manufacturing, systems and methods |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190305 Termination date: 20190702 |