CN106929857A - Cupric acidity etching liquid recycling equipment for reclaiming and method - Google Patents
Cupric acidity etching liquid recycling equipment for reclaiming and method Download PDFInfo
- Publication number
- CN106929857A CN106929857A CN201710213596.7A CN201710213596A CN106929857A CN 106929857 A CN106929857 A CN 106929857A CN 201710213596 A CN201710213596 A CN 201710213596A CN 106929857 A CN106929857 A CN 106929857A
- Authority
- CN
- China
- Prior art keywords
- etching
- waste
- cupric
- liquid
- ion
- 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.)
- Pending
Links
- 238000005530 etching Methods 0.000 title claims abstract description 85
- 239000007788 liquid Substances 0.000 title claims abstract description 59
- 238000004064 recycling Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000002699 waste material Substances 0.000 claims abstract description 64
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000010949 copper Substances 0.000 claims abstract description 27
- 229910052802 copper Inorganic materials 0.000 claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 239000002351 wastewater Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000003014 ion exchange membrane Substances 0.000 claims description 25
- 230000008929 regeneration Effects 0.000 claims description 20
- 238000011069 regeneration method Methods 0.000 claims description 20
- 238000005868 electrolysis reaction Methods 0.000 claims description 15
- 230000002378 acidificating effect Effects 0.000 claims description 14
- 239000010865 sewage Substances 0.000 claims description 14
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 9
- 239000010936 titanium Substances 0.000 claims description 9
- 229910052719 titanium Inorganic materials 0.000 claims description 9
- 239000002912 waste gas Substances 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 230000033116 oxidation-reduction process Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 239000003814 drug Substances 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 5
- 238000009713 electroplating Methods 0.000 claims description 4
- 238000012806 monitoring device Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 239000010808 liquid waste Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 210000004027 cell Anatomy 0.000 claims description 2
- 210000002421 cell wall Anatomy 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 238000006386 neutralization reaction Methods 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 5
- 239000007800 oxidant agent Substances 0.000 abstract description 5
- 230000001590 oxidative effect Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000006641 stabilisation Effects 0.000 abstract description 4
- 238000011105 stabilization Methods 0.000 abstract description 4
- 239000003792 electrolyte Substances 0.000 abstract 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 229910001431 copper ion Inorganic materials 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000003636 chemical group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C23F1/08—Apparatus, e.g. for photomechanical printing surfaces
-
- 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
-
- 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
- C25C7/02—Electrodes; Connections thereof
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- ing And Chemical Polishing (AREA)
Abstract
The present invention discloses a kind of cupric acidity etching liquid recycling equipment for reclaiming and method, includes etching production line, waste collection cylinder, waste tank, electrolytic cell, circulating slot and etching solution monitoring groove；The waste collection cylinder is connected in etching production line, the waste tank is connected with waste collection cylinder, the electrolytic cell is connected with waste tank, the circulating slot is connected with electrolytic cell, electrolyte in circulating slot is recycled in drawing back electrolytic cell, the etching solution monitoring groove be connected with circulating slot, and the etching solution monitoring groove with etch production line be connected constitute a circulation.The present invention greatlys save oxidant and hydrochloric acid, improves production efficiency, equipment performance stabilization, Operation and Maintenance is simple, copper content reaches discharging standards in water after high degree of automation, and treatment, successfully solves the difficult problem to discharging standards of copper-containing wastewater.
Description
Technical field
The present invention relates to field of Environment Protection technology, a kind of cupric acidity etching liquid recycling equipment for reclaiming and side are referred in particular to
Method.
Background technology
The cupric rinse water of the production line such as electro-coppering, electroless copper in PCB and electroplating enterprise cleaning section discharge changes groove
In cupric acidic etching liquid, contain substantial amounts of copper.During blowdown, copper-containing wastewater typically with the waste water containing the metallic element such as golden, stanniferous
After mixing, treatment tank is emitted into together, general precipitation reagent is added in processing pond, carry out initial chemical reaction, make
After part metallic element is simply reclaimed, i.e., these sewage are discharged.This simple sewage treatmentmethod of the above, metal unit
Plain recovery utilization rate is very low, additionally, carrying out sewage disposal again after making various metals mixed liquor dual disposal, specific aim is not strong,
Cause cost of sewage disposal too high, and precipitation reagent waste.In addition country's sewage discharge at present defines copper discharge
Standard, if simple sewage disposal discharge as described above, can not typically reach the intractable discharging standards of copper-containing wastewater.
The content of the invention
In view of this, in view of the existing deficiencies of the prior art, its main purpose is to provide a kind of acid erosion of cupric to the present invention
Liquid circular regeneration equipment for reclaiming and method are carved, it has the advantages that simple to operate, easy to maintain, copper recovery is high.
To achieve the above object, the present invention is using following technical scheme：
A kind of cupric acidity etching liquid recycling equipment for reclaiming, includes
One etching production line, etching production line produces cupric acidic etching liquid；
One waste collection cylinder, waste collection cylinder is used to collect the cupric acidic etching waste liquid that etching production line is produced；
One waste tank, the cupric acidic etching waste liquid in waste collection cylinder by one first sewage pump be pumped into waste tank
Row storage；
One ion-exchange membrane electrolyzer, ionic membrane electricity is pumped into by one second sewage pump by the first pipeline by the waste liquid in waste tank
Solution groove is electrolysed, and ion-exchange membrane electrolyzer includes anode region and cathodic region, and coating titanium anode plate is provided with the anode region, with
Electro-catalytic coating electrode is anode, and minus plate is provided with the cathodic region；
One circulating slot, circulating slot includes anode circulation groove and cathode circulation groove, the anolyte warp after ion-exchange membrane electrolyzer electrolysis
The second pipe of anode region inner top is flowed into anode circulation groove, and etching solution parameter monitoring device is installed on anode circulation groove, should
Regeneration etching solution is adjusted to normal parameter by etching solution parameter monitoring device, and the regeneration etching solution after conciliation is by the first high pressure pumping
Return and be circulated and use in ion-exchange membrane electrolyzer, and the delivery outlet of the first high-pressure pump connects the inner top of anode circulation groove, ion
Catholyte after membrane cell electrolysis is flowed into cathode circulation groove through the 3rd pipeline of cathodic region inner top, peace in cathode circulation groove
Equipped with the titanium cooling tube for keeping thermostatic effect, the catholyte after temperature is constant is pumped back to enter in ion-exchange membrane electrolyzer by the first high pressure
Row is recycled；
One etching solution monitors groove, the etching solution in circulating slot is pumped into etching solution monitoring groove by one second high-pressure pump is deposited
Storage, and the second high-pressure pump delivery outlet connect cathode circulation groove inner top, circulating slot and etching solution monitoring groove between be connected with
Filter for removing thick impurity, etching solution monitors groove by testing oxidation reduction potential value, proportion, acidity and the temperature of waste liquid
Spend to automatically control the liquid medicine parameter of regeneration liquid waste, deployed waste liquid is flowed into be circulated in etching production line and used.
As a kind of preferred scheme, the level sensor of automatic liquid level control is provided with the waste collection cylinder.
Used as a kind of preferred scheme, waste gas discharge pipeline is installed in the electrolysis with ion-exchange film cell wall perforate, and waste gas discharge is to useless
Aspiration tower acid-base neutralization spray process.
A kind of cupric acidity etching liquid recycling reuse method, is set using cupric acidity etching liquid recycling reuse
It is standby, comprise the following steps：
（1）Collect：The cupric cleaning of the etching production line cleaning section discharge of electro-coppering, electroless copper to PCB and electroplating enterprise
Water changes groove copper-containing wastewater and be recycled in waste collection cylinder and waste tank；
（2）Electrolysis：Copper-containing wastewater in waste tank is pumped into ion-exchange membrane electrolyzer to be electrolysed；
（3）Adjustment pH-value：Waste liquid after electrolysis is flowed into circulating slot by pipeline, and be formulated to the pH value of waste liquid just by circulating slot
Normal parameter, recycles in ion-exchange membrane electrolyzer is drawn back；
（4）Filtering：Circulating slot is connected to by pipeline by filter, thick impurity is filtered；
（5）Recycle：Contained waste liquid after filtering is imported in etching production line, recycling utilization is carried out.
The present invention has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technical proposal
Understand：
By regenerating cupric acidic etching liquid using electrolysis with ion-exchange film technique, the technique is a kind of online regeneration technology,
Copper ion concentration reduction after regeneration in cupric acidic etching liquid, oxidation-reduction potential is reached and required, can be recycled, and regeneration
Liquid medicine good stability, can save oxidant 70%-90% after reuse, the copper coin of recovery can direct marketing, remarkable in economical benefits, and should
Stabilization of equipment performance is good, and Operation and Maintenance is simple, high degree of automation.
More clearly to illustrate architectural feature of the invention and effect, come to this hair with specific embodiment below in conjunction with the accompanying drawings
It is bright to be described in detail.
Brief description of the drawings
Fig. 1 is the structural representation of the preferred embodiments of the invention；
Accompanying drawing identifier declaration：
10th, etching production line 20, waste collection cylinder
21st, level sensor 30, waste tank
31st, the first sewage pump 32, the second sewage pump
40th, ion-exchange membrane electrolyzer 41, anode region
42nd, cathodic region 43, titanium anode plate
44th, minus plate 50, circulating slot
51st, anode circulation groove 52, cathode circulation groove
53rd, supervising device 54, titanium cooling tube
60th, etching solution monitoring groove 61, filter
71st, the first high-pressure pump 72, the second high-pressure pump.
Specific embodiment
Refer to shown in Fig. 1, that show a kind of cupric acidity etching liquid recycling equipment for reclaiming of the invention compared with
The concrete structure of good embodiment, include etching production line 10, waste collection cylinder 20, waste tank 30, ion-exchange membrane electrolyzer 40,
Circulating slot 50 and etching solution monitoring groove 60.
The waste collection cylinder 20 is used to collect the cupric acidic etching waste liquid that etching production line 10 is produced, cupric acid etching
Level sensor 21 is installed in waste collection cylinder 20, after liquid level reach a certain height, the level sensor 21 control first
Be pumped into waste liquid in waste collection cylinder 20 in waste tank 30 and stored by sewage pump 31.
Waste liquid in the waste tank 30 is pumped into ion-exchange membrane electrolyzer 40 and enters by one second sewage pump 32 by the first pipeline
Row electrolysis, obtains high-purity copper coin, and ion-exchange membrane electrolyzer 40 is included and is provided with anode region 41 and cathodic region 42, anode region 41
Coating titanium anode plate 43, with electro-catalytic coating electrode as anode, the potential difference with anode and anolyte makes sun as reacting driving force
The cuprous complex ion of monovalence on pole surface is oxidized to cupric complex ion, realizes the oxidation regeneration of spent etching solution；Cathodic region is returned
Receive copper coin and Cu2+Catholyte after concentration reduction reduces copper ion concentration in returning to regeneration etching solution：Can be promoted in electrochemical potential
Under, it is reduced to zeroth order copper coin in the cuprous complex ion of the monovalence of cathode plate surface and produces Cl-, Cu2+It is left that concentration is reduced to 20g/L
Right catholyte is returned in regeneration etching solution, proportion is dropped to certain scope, so that the chemical group of acidic etching waste liquid
The control range of the normal production requirement of etching line is reached into the parameter such as, oxidation-reduction potential and proportion；Tool is separated out on minus plate 44
Commercially valuable copper coin；Waste gas discharge pipeline, waste gas discharge to waste gas absorption tower acid are installed in the wall perforate of ion-exchange membrane electrolyzer 40
In alkali and spray process.
The circulating slot 50 includes anode circulation groove 51 and cathode circulation groove 52, the anode after the electrolysis of ion-exchange membrane electrolyzer 40
Liquid is flowed into anode circulation groove 51 through the second pipe of the inner top of anode region 41, and etching solution parameter prison is installed on anode circulation groove 51
Regeneration etching solution, is adjusted to normal parameter, the regeneration etching solution after conciliation by control device 53 by adding oxidant, hydrochloric acid and water
Can to draw back be circulated in ion-exchange membrane electrolyzer 40 through the first high-pressure pump 71 and use, and the first high-pressure pump 71 delivery outlet connection sun
The inner top of pole circulating slot 51, the catholyte after ion-exchange membrane electrolyzer 40 is electrolysed is flowed into through the 3rd pipeline of the inner top of cathodic region 42
In cathode circulation groove 52, titanium cooling tube 54 is installed in cathode circulation groove 52, titanium cooling tube 54 keeps catholyte temperature constant, temperature
Catholyte after degree is constant also to be drawn back be circulated in ion-exchange membrane electrolyzer 40 and used by the first high-pressure pump 71.
One etching solution monitors groove 60, and the anolyte in circulating slot 50 and catholyte are pumped into etching by one second high-pressure pump 72
Stored in liquid monitoring groove 60, and the delivery outlet connection cathode circulation groove 52 of the second high-pressure pump 72 inner top, circulating slot 50
The filter 61 for removing thick impurity is connected between etching solution monitoring groove 60, etching solution monitors groove 60 by testing waste liquid
Oxidation reduction potential value, proportion, acidity and temperature automatically control the liquid medicine parameter of regeneration liquid waste, deployed waste liquid flows into
It is circulated in etching production line 10 and is used.
The invention also discloses a kind of cupric acidity etching liquid recycling reuse method, followed using cupric acidic etching liquid
Ring regeneration equipment, comprises the following steps：
（1）Collect：The cupric of the etching production line 10 cleaning section discharge of electro-coppering, electroless copper to PCB and electroplating enterprise is clear
Wash water changes groove copper-containing wastewater and be recycled in waste collection cylinder 20 and waste tank 30；
（2）Electrolysis：Copper-containing wastewater in waste tank is pumped into ion-exchange membrane electrolyzer 40 to be electrolysed；
（3）Adjustment pH-value：Waste liquid after electrolysis is flowed into circulating slot 50 by pipeline, and circulating slot 50 allocates the pH value of waste liquid
To normal parameter, recycled in ion-exchange membrane electrolyzer 40 is drawn back；
（4）Filtering：Circulating slot 50 is connected to by pipeline by filter 61, thick impurity is filtered；
（5）Recycle：Contained waste liquid after filtering is imported in etching production line 10, recycling utilization is carried out.
The step（3）Etching solution temperature in middle circulating slot is adjusted to 22 °；Oxidant 70- can be saved after thin stillage recycling
90%, hydrochloric acid 50-70% is saved, and the copper for reclaiming is high-quality high-purity electrolytic copper plate, the equipment can produce electrolytic copper plate 100 daily
More than kilogram, equipment performance stabilization, Operation and Maintenance is simple, high degree of automation.
Discharging standards are reached through copper content in the etching solution after above-mentioned several step process, cupric is successfully solved
The difficult problem to discharging standards of waste water.
Design focal point of the invention is：
By regenerating cupric acidic etching liquid using electrolysis with ion-exchange film technique, the technique is a kind of online regeneration technology,
Copper ion concentration reduction after regeneration in cupric acidic etching liquid, oxidation-reduction potential is reached and required, can be recycled, and regeneration
Liquid medicine good stability, can save oxidant 70%-90% after reuse, the copper coin of recovery can direct marketing, remarkable in economical benefits, and should
Stabilization of equipment performance is good, and Operation and Maintenance is simple, high degree of automation.
The above, is only presently preferred embodiments of the present invention, and not technical scope of the invention is imposed any restrictions,
Therefore every any trickle amendment, equivalent variations and modification made to above example according to technical spirit of the invention, still
Belong in the range of technical solution of the present invention.
Claims (4)
1. a kind of cupric acidity etching liquid recycling equipment for reclaiming, it is characterised in that：Include
One etching production line, etching production line produces cupric acidic etching liquid；
One waste collection cylinder, waste collection cylinder is used to collect the cupric acidic etching waste liquid that etching production line is produced；
One waste tank, the cupric acidic etching waste liquid in waste collection cylinder by one first sewage pump be pumped into waste tank
Row storage；
One ion-exchange membrane electrolyzer, ionic membrane electricity is pumped into by one second sewage pump by the first pipeline by the waste liquid in waste tank
Solution groove is electrolysed, and ion-exchange membrane electrolyzer includes anode region and cathodic region, and coating titanium anode plate is provided with the anode region, with
Electro-catalytic coating electrode is anode, and minus plate is provided with the cathodic region；
One circulating slot, circulating slot includes anode circulation groove and cathode circulation groove, the anolyte warp after ion-exchange membrane electrolyzer electrolysis
The second pipe of anode region inner top is flowed into anode circulation groove, and etching solution parameter monitoring device is installed on anode circulation groove, should
Regeneration etching solution is adjusted to normal parameter by etching solution parameter monitoring device, and the regeneration etching solution after conciliation is by the first high pressure pumping
Return and be circulated and use in ion-exchange membrane electrolyzer, and the delivery outlet of the first high-pressure pump connects the inner top of anode circulation groove, ion
Catholyte after membrane cell electrolysis is flowed into cathode circulation groove through the 3rd pipeline of cathodic region inner top, peace in cathode circulation groove
Equipped with the titanium cooling tube for keeping thermostatic effect, the catholyte after temperature is constant is pumped back to enter in ion-exchange membrane electrolyzer by the first high pressure
Row is recycled；
One etching solution monitors groove, the etching solution in circulating slot is pumped into etching solution monitoring groove by one second high-pressure pump is deposited
Storage, and the second high-pressure pump delivery outlet connect cathode circulation groove inner top, circulating slot and etching solution monitoring groove between be connected with
Filter for removing thick impurity, etching solution monitors groove by testing oxidation reduction potential value, proportion, acidity and the temperature of waste liquid
Spend to automatically control the liquid medicine parameter of regeneration liquid waste, deployed waste liquid is flowed into be circulated in etching production line and used.
2. cupric acidity etching liquid recycling equipment for reclaiming according to claim 1, it is characterised in that：The waste liquid is received
The level sensor of automatic liquid level control is provided with collection cylinder.
3. cupric acidity etching liquid recycling equipment for reclaiming according to claim 1, it is characterised in that：The ionic membrane
Waste gas discharge pipeline, waste gas discharge to waste gas absorption tower acid-base neutralization spray process are installed in cell wall perforate.
4. a kind of cupric acidity etching liquid recycling reuse method, it is characterised in that using as claims 1 to 3 it is any
Cupric acidity etching liquid recycling equipment for reclaiming described in, comprises the following steps：
（1）Collect：The cupric cleaning of the etching production line cleaning section discharge of electro-coppering, electroless copper to PCB and electroplating enterprise
Water changes groove copper-containing wastewater and be recycled in waste collection cylinder and waste tank；
（2）Electrolysis：Copper-containing wastewater in waste tank is pumped into ion-exchange membrane electrolyzer to be electrolysed；
（3）Adjustment pH-value：Waste liquid after electrolysis is flowed into circulating slot by pipeline, and be formulated to the pH value of waste liquid just by circulating slot
Normal parameter, recycles in ion-exchange membrane electrolyzer is drawn back；
（4）Filtering：Circulating slot is connected to by pipeline by filter, thick impurity is filtered；
（5）Recycle：Contained waste liquid after filtering is imported in etching production line, recycling utilization is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213596.7A CN106929857A (en) | 2017-04-01 | 2017-04-01 | Cupric acidity etching liquid recycling equipment for reclaiming and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213596.7A CN106929857A (en) | 2017-04-01 | 2017-04-01 | Cupric acidity etching liquid recycling equipment for reclaiming and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106929857A true CN106929857A (en) | 2017-07-07 |
Family
ID=59426480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710213596.7A Pending CN106929857A (en) | 2017-04-01 | 2017-04-01 | Cupric acidity etching liquid recycling equipment for reclaiming and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106929857A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107858687A (en) * | 2017-12-21 | 2018-03-30 | 惠州大亚湾双益达电路板科技有限公司 | A kind of PCB etching liquids device for filtering impurities |
| CN108064119A (en) * | 2018-01-05 | 2018-05-22 | 惠安耐亚节能科技有限公司 | A kind of integrated opto-electronic device manufacture Etaching device |
| CN108642518A (en) * | 2018-07-09 | 2018-10-12 | 南京舜业环保科技有限公司 | A kind of method and device of PCB acidic etching liquids extraction copper |
| CN109321945A (en) * | 2018-10-23 | 2019-02-12 | 厦门精合电气自动化有限公司 | A copper recovery system for discharging wastewater |
| CN109881199A (en) * | 2019-04-10 | 2019-06-14 | 深圳市铿东科技有限公司 | A kind of alkaline etching solution regeneration and its copper recovery system |
| CN109881216A (en) * | 2019-04-12 | 2019-06-14 | 深圳市泓达环境科技有限公司 | A kind of acidic electrolysis slot and the electrolysis producing line using it |
| CN111394726A (en) * | 2019-09-10 | 2020-07-10 | 长沙利洁环保科技有限公司 | Acid etching solution recycling process |
| CN111394727A (en) * | 2019-09-10 | 2020-07-10 | 长沙利洁环保科技有限公司 | Acid etching solution cyclic regeneration system |
| CN114855221A (en) * | 2022-04-18 | 2022-08-05 | 定颖电子(黄石)有限公司 | System and method for recovering copper-containing nitric acid waste liquid of circuit board |
| CN115467008A (en) * | 2022-09-16 | 2022-12-13 | 东莞市速远自动化设备有限公司 | Electroplating copper recycling system |
| US11610783B2 (en) | 2014-07-30 | 2023-03-21 | Corning Incorporated | Ultrasonic tank and methods for uniform glass substrate etching |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102321908A (en) * | 2011-09-02 | 2012-01-18 | 广州市天承化工有限公司 | Recycling and regenerating process method and metal copper recovery system of acid chloride etching solution |
| CN104152905A (en) * | 2014-06-24 | 2014-11-19 | 深圳市新锐思环保科技有限公司 | Acidic copper chloride etching liquid electrolytic regeneration recycling and copper plate recovery device and method |
| CN104313584A (en) * | 2014-10-10 | 2015-01-28 | 南京舜业环保科技有限公司 | Method and system for electrolyzing copper-containing etching liquid to obtain copper plate and regenerating and recycling etching liquid |
| CN204779821U (en) * | 2015-06-01 | 2015-11-18 | 深圳中能润德环保有限公司 | Etching solution recycle and regeneration and carry copper device |
| CN205954113U (en) * | 2016-08-08 | 2017-02-15 | 陈灏康 | Alkaline etching liquid regeneration cycle uses copper recovery equipment |
| CN106637216A (en) * | 2017-01-17 | 2017-05-10 | 陈灏康 | Acidic etching liquid regeneration reuse copper recycling device |
-
2017
- 2017-04-01 CN CN201710213596.7A patent/CN106929857A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102321908A (en) * | 2011-09-02 | 2012-01-18 | 广州市天承化工有限公司 | Recycling and regenerating process method and metal copper recovery system of acid chloride etching solution |
| CN104152905A (en) * | 2014-06-24 | 2014-11-19 | 深圳市新锐思环保科技有限公司 | Acidic copper chloride etching liquid electrolytic regeneration recycling and copper plate recovery device and method |
| CN104313584A (en) * | 2014-10-10 | 2015-01-28 | 南京舜业环保科技有限公司 | Method and system for electrolyzing copper-containing etching liquid to obtain copper plate and regenerating and recycling etching liquid |
| CN204779821U (en) * | 2015-06-01 | 2015-11-18 | 深圳中能润德环保有限公司 | Etching solution recycle and regeneration and carry copper device |
| CN205954113U (en) * | 2016-08-08 | 2017-02-15 | 陈灏康 | Alkaline etching liquid regeneration cycle uses copper recovery equipment |
| CN106637216A (en) * | 2017-01-17 | 2017-05-10 | 陈灏康 | Acidic etching liquid regeneration reuse copper recycling device |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11610783B2 (en) | 2014-07-30 | 2023-03-21 | Corning Incorporated | Ultrasonic tank and methods for uniform glass substrate etching |
| CN107858687A (en) * | 2017-12-21 | 2018-03-30 | 惠州大亚湾双益达电路板科技有限公司 | A kind of PCB etching liquids device for filtering impurities |
| CN108064119A (en) * | 2018-01-05 | 2018-05-22 | 惠安耐亚节能科技有限公司 | A kind of integrated opto-electronic device manufacture Etaching device |
| CN108642518A (en) * | 2018-07-09 | 2018-10-12 | 南京舜业环保科技有限公司 | A kind of method and device of PCB acidic etching liquids extraction copper |
| CN109321945A (en) * | 2018-10-23 | 2019-02-12 | 厦门精合电气自动化有限公司 | A copper recovery system for discharging wastewater |
| CN109881199A (en) * | 2019-04-10 | 2019-06-14 | 深圳市铿东科技有限公司 | A kind of alkaline etching solution regeneration and its copper recovery system |
| CN109881216A (en) * | 2019-04-12 | 2019-06-14 | 深圳市泓达环境科技有限公司 | A kind of acidic electrolysis slot and the electrolysis producing line using it |
| 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 |
| CN111394726A (en) * | 2019-09-10 | 2020-07-10 | 长沙利洁环保科技有限公司 | Acid etching solution recycling process |
| CN111394726B (en) * | 2019-09-10 | 2021-01-19 | 长沙利洁环保科技有限公司 | Acid etching solution recycling process |
| CN111394727A (en) * | 2019-09-10 | 2020-07-10 | 长沙利洁环保科技有限公司 | Acid etching solution cyclic regeneration system |
| 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 |
| CN114855221A (en) * | 2022-04-18 | 2022-08-05 | 定颖电子(黄石)有限公司 | System and method for recovering copper-containing nitric acid waste liquid of circuit board |
| CN114855221B (en) * | 2022-04-18 | 2023-12-01 | 超颖电子电路股份有限公司 | System and method for recovering copper-containing nitric acid waste liquid of circuit board |
| CN115467008A (en) * | 2022-09-16 | 2022-12-13 | 东莞市速远自动化设备有限公司 | Electroplating copper recycling system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106929857A (en) | Cupric acidity etching liquid recycling equipment for reclaiming and method | |
| CN101748430B (en) | Copper recovery system of printed board acid etching waste solution and etching solution regeneration method | |
| CN104313584B (en) | The electrolysis containing copper etchant solution obtains copper coin cyclic utilization method and system | |
| CN107059010A (en) | Cupric alkaline etching liquid circular regeneration equipment for reclaiming and method | |
| CN105523668B (en) | A kind of PCB nitrogen-containing wastewaters Zero discharge treatment method and device | |
| CN105483707B (en) | A kind of method that alkaline copper chloride etching waste liquid proposes copper reuse | |
| CN104152905A (en) | Acidic copper chloride etching liquid electrolytic regeneration recycling and copper plate recovery device and method | |
| CN102321908A (en) | Recycling and regenerating process method and metal copper recovery system of acid chloride etching solution | |
| CN107012466B (en) | A kind of acidic etching liquid method for recycling and system | |
| CN202272954U (en) | System for acid chloride etching liquid cycle regeneration and metallic copper recycling | |
| CN103741143A (en) | Circulating treatment system and method for etching solution | |
| CN115466957A (en) | A method and device for electrolytic regeneration of copper by precipitation of acidic copper chloride etching waste liquid | |
| CN110422948A (en) | Copper sulphate Sewage treatment metallic copper treatment process is electroplated | |
| CN103265094A (en) | Method for recycling nitric acid and copper from waste water generated in production of printed circuit board | |
| CN201614411U (en) | Printed board acid etching waste liquid regeneration and copper recovery device | |
| CN105692977A (en) | Treatment method of high-concentration acidic copper-containing wastewater | |
| CN107059011A (en) | The ferric trichloride etching solution regeneration device and method of cupric, nickel and chromium | |
| CN101717134B (en) | Method for treating zinc-containing electroplating wastewater and recovering zinc by electrolysis | |
| CN106011929A (en) | Method for recycling copper extracted from alkaline copper chloride etching waste liquid | |
| CN106587459A (en) | Online recycling method for electroplating washing wastewater | |
| CN106865852A (en) | A kind of resource recycle method of argentiferous electroplating wastewater | |
| CN203546157U (en) | Alkaline etching solution copper recycling and regenerating system | |
| CN103290415B (en) | Treatment process and system of acid etching solution | |
| CN218710923U (en) | Device system for regenerating and extracting copper from acidic etching solution of printed circuit board | |
| CN216947238U (en) | High-efficient electrodeposition copper recovery system of acid etching solution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171218 Address after: 523000 Guangdong, Dongguan City, Guangdong, Dongguan City, Liaobu Town, Xinglong Road, No. 1 building of Xinglong Industrial Park, No. 1 building Applicant after: GUANGDONG SANCAI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 523000 Guangdong city of Dongguan province Xixi village Liaobu Town Road No. 41 Fu Applicant before: DONGGUAN QINGYU ENVIRONMENTAL PROTECTION EQUIPMENT TECHNOLOGY CO.,LTD. |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170707 |