CN206109541U - Acid etching fluid recovery unit - Google Patents
Acid etching fluid recovery unit Download PDFInfo
- Publication number
- CN206109541U CN206109541U CN201620850101.2U CN201620850101U CN206109541U CN 206109541 U CN206109541 U CN 206109541U CN 201620850101 U CN201620850101 U CN 201620850101U CN 206109541 U CN206109541 U CN 206109541U
- Authority
- CN
- China
- Prior art keywords
- acid
- chlorine
- etching liquid
- acidic etching
- electrolysis
- 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.)
- Active
Links
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
Landscapes
- ing And Chemical Polishing (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model is suitable for an etching composition's regeneration field provides an acid etching fluid recovery unit, include acid etching solution waste liquid storage device, be used for to carry out the electrolytic device of electrolysis processing and be used for retrieving the acid etching solution waste liquid of storing electrolytic device carries out the acid etching solution regenerating unit that the acid etching regeneration liquid of back production was handled in the electrolysis, acid etching solution waste liquid storage device electrolytic device reaches acid etching solution regenerating unit connects in order, acid etching fluid recovery unit is still including being used for the recovery the chlorine reclaiming device of the chlorine that electrolytic device produced, chlorine reclaiming device respectively with electrolytic device acid etching solution regenerating unit connects. The utility model provides a pair of acid etching fluid recovery unit is through chlorine reclaiming device's use, with the chlorine recycle who produces in the electrolytic process. This has not only solved the chlorine problem of discharging, has realized the recovery to produced chlorine moreover.
Description
Technical field
This utility model belongs to the regeneration field of etch combination, more particularly to a kind of acidic etching liquid retracting device.
Background technology
With the development of the sound and printed circuit board industry of national environmental protection policy, increasing circuit board plant is taken
Etching solution online circulation and regeneration technology.At present the technique in industry for acidic etching liquid regeneration cycle is mainly electrolytic regeneration
Technique, its Oxidation for passing through anode makes monovalence copper be changed into cupric so that etching solution recovers regeneration capacity, and negative electrode then leads to
Cross reduction to deposit copper so that etching solution possesses the load capacity of etching.Although electrochemical method can make etching solution fine
Regeneration, but due to the presence of chloride ion in etching solution, in an acidic solution, ORP (oxidation-reduction potential) is more than 520mV
When, anode has that chlorine is separated out.The precipitation of chlorine not only compromises the health of shop worker, and there is serious sky
Gas pollution problem.
During electrolytic regeneration, the method for the vent gas treatment for generally adopting at present still has after treatment for piece Alkali absorption
A certain amount of chlorine is discharged, and inevitably results in the waste of resource, also add production cost.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of acidic etching liquid retracting device, it is intended to overcome existing
There is electrochemical appliance chlorine present in acidic etching liquid waste treatment process to separate out problem, so as to reduce environmental pollution, drop
Low production cost.
This utility model is achieved in that a kind of acidic etching liquid retracting device, including the storage of acidic etching liquid waste liquid
Device, for carrying out being electrolysed the electrolysis unit of process to the acidic etching liquid waste liquid stored and enter for reclaiming the electrolysis unit
The acidic etching liquid regenerating unit of the acid etching regenerated liquid that row electrolysis is produced after processing, the acidic etching liquid waste liquid storage dress
Put, the electrolysis unit and the acidic etching liquid regenerating unit are sequentially connected with, the acidic etching liquid retracting device also includes
For reclaiming the chlorine recovery device of the chlorine that the electrolysis unit is produced, the chlorine recovery device is filled respectively with the electrolysis
Put, the acidic etching liquid regenerating unit connects；
The chlorine recovery device is included for absorbing the chlorine and adjusting the change that the acid etching regenerates liquid acidity
Acid tank, describedization acid tank is connected respectively with the electrolysis unit, the acidic etching liquid regenerating unit.
Further, the chlorine recovery device is also included for the change acid agent storage of additionization acid agent in describedization acid tank
Groove is deposited, describedization acid developing agent storage groove is connected with describedization acid tank.
Further, describedization acid agent includes at least one of oxalic acid, ethanol, formaldehyde, acrylic acid.
Further, describedization acid tank is provided with agitator.
Further, the acidic etching liquid retracting device is also included for the chlorine to be passed into into describedization acid tank
Ejector, the ejector is connected between describedization acid tank and the electrolysis unit.
Further, the electrolysis unit includes minus plate, positive plate and electrolysis bath, the minus plate and the positive plate
The paralleling and interleaving arrangement in the electrolysis bath.
Further, the electrolysis unit also includes anode cassette, and the positive plate is placed in the anode cassette.
Compared with prior art, beneficial effect is this utility model：A kind of acidic etching liquid that this utility model is provided
Retracting device, by the use of chlorine recovery device, the chlorine produced in electrolytic process is reclaimed.Meanwhile, chlorine recovery device
In by changing the use of sour agent, by the chlorine absorption produced after electrolytic acid etching waste liquor and acid can be changed into, and for adjusting
The acidity of acid etching regenerated liquid, realizes the recycling of resource.This not only solves chlorine emission problem, and by chlorine
The acid of generation is used for the acidity of acid etching regenerated liquid and allocates, and realizes the recovery to produced chlorine and recycles,
Cost is saved.Additionally, the acidic etching liquid retracting device that this utility model is provided, simple structure, are easy to operation.
Description of the drawings
Fig. 1 is the structural representation of the acidic etching liquid retracting device that this utility model embodiment is provided.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain
This utility model, is not used to limit this utility model.
As shown in figure 1, a kind of acidic etching liquid retracting device 100 provided for this utility model embodiment, including acidity
Etching solution waste liquid storage facility 1, for store acidic etching liquid waste liquid carry out be electrolysed process electrolysis unit and for return
Receive the acidic etching liquid regenerating unit 10 of the acid etching regenerated liquid that the electrolysis unit carries out being produced after electrolysis process, acidity erosion
Carve the liquid waste liquid storage facility 1, electrolysis unit and acidic etching liquid regenerating unit 10 is sequentially connected with, acidic etching liquid reclaims dress
Put 100 chlorine recovery devices for also including for reclaiming the chlorine that the electrolysis unit is produced, the chlorine recovery device difference
It is connected with the electrolysis unit, acidic etching liquid regenerating unit 10；
Chlorine recovery device is included for absorbing the chlorine and adjusting the change acid tank that the acid etching regenerates liquid acidity
9, change acid tank 9 and be connected with the electrolysis unit, acidic etching liquid regenerating unit 10 respectively.Change treatment fluid of the acid tank 9 by generation
The acidity of the acid etching regenerated liquid is adjusted, in concrete processing procedure, chlorine produces acid with sour agent is changed, when acid concentration is more than 4-
During 7mol/L, the solution changed in acid tank is passed in acidic etching liquid regenerated liquid surge-tank, is used as acidity regulator.
The acidic etching liquid retracting device 100 that the present embodiment is provided, is produced electrolysis unit by chlorine recovery device
Chlorine is reclaimed, it is to avoid the chlorine produced in acidic etching liquid removal process is entered in environment and polluted；Utilize chlorine simultaneously
The acidity for changing acid etching regenerated liquid described in the treatment fluid de-regulation that acid tank is produced after chlorine is absorbed in retracting device, realizes
The recycling of resource.
Specifically, chlorine recovery device is also included for the change acid developing agent storage groove 7 for changing additionization acid agent in acid tank 9, changing
Sour developing agent storage groove 7 is connected with acid tank 9 is changed.
Change sour agent to add using automaton, change the ratio for changing the addition with the amount of the material of chlorine intake of sour agent in acid tank
Between 1-4, it can be one or more in oxalic acid, ethanol, formaldehyde, acrylic acid to change sour agent.In chlorine removal process, chlorine
Gas carries out redox reaction as oxidizing substance with this kind of reducing substanceses of sour agent are changed, and chlorine is reduced to chloride ion and enters
Enter in the treatment fluid for generating.
Change and agitator 8 is additionally provided with acid tank 9, during agitator 8 is used in the sour agent course of reaction of chlorine and change to changing acid tank 9
Solution be stirred, make that the reaction in the solution is more uniform, rapidly carry out.
Acidic etching liquid retracting device 100 is also included for by the ejector 5 in being passed into of the chlorine acid tank 9, penetrating
Between stream the being connected to acid tank 9 of device 5 and the electrolysis unit.
Specifically, the electrolysis unit includes minus plate 2, positive plate 4 and electrolysis bath 3, and minus plate 2 is with positive plate 4 in electricity
Paralleling and interleaving arrangement in solution groove 3.Electrolysis unit also includes anode cassette 6, and positive plate 4 is placed in anode cassette 6.
When electrolysis unit carries out electrolysis process to acidic etching liquid waste liquid, chlorine is produced by positive plate 4, anode cassette 6
The chlorine that presence is helped to create is collected, then by the being drained into acid tank 9 of ejector 5.
A kind of acidic etching liquid retracting device that this utility model embodiment is provided, by changing sour agent in chlorine recovery device
Use, the chlorine absorption that can be produced in electrolytic acid etching waste liquor and changes into acid, solves what is produced in electrolytic process
Chlorine emission problem, while realizing the recovery of resource.Meanwhile, the acid produced by chlorine, for acid etching regenerated liquid
Acidity is allocated, and has not only saved cost, and realizes the cyclic utilization of waste.Additionally, the acid erosion that this utility model is provided
Liquid retracting device is carved, simple structure is easy to operation.
The acidic etching liquid retracting device 100 that the present embodiment is provided carries out the process of the process of acidity etching solution waste liquid such as
Under：
Acidic etching liquid waste liquid 1000L is collected, in being placed in acidic etching liquid waste liquid storage facility 1, by determining this is understood
Plant the copper ion concentration 135g/L of acidic etching liquid waste liquid, acidity 2.5mol/L, chloride ion 245g/L；
The waste liquid is driven in electrolysis bath 3 using magnetic drive pump, add in solution is carried out after Polyethylene Glycol, ethyl thiourea
Electrolysis, positive plate 4 is placed in anode cassette 6, and anode cassette 6 has anode convulsion, and the convulsion is by the being passed into acid tank 9 of ejector 5；
Oxalic acid solution 500L is prepared, in being placed in acid developing agent storage groove 7, first to the oxalic acid for changing addition certain volume in acid tank 9
Solution, afterwards by being added to of given pace acid tank 9；
Be electrolysed to the copper ion concentration of electrolysis bath 3 it is suitable when, stop electrolysis；The acid etching regeneration in acid tank 9 will now be changed
Liquid is passed into surge-tank 10.
The final acid etching regenerated liquid copper ion concentration that obtains is 50-80g/L, chloride ion 180-220g/L, acidity 2-
3mol/L, can be used for the etch process of etching line.
A kind of acidic etching liquid retracting device that this utility model embodiment is provided, by acidic etching liquid waste liquid at electrolysis
The chlorine absorption and the acidity for acid etching regenerated liquid produced during reason is allocated, and realizes acidic etching liquid waste liquid
Recycle.This contributes to the all-round popularization of acidic etching liquid waste liquid Direct Electrolysis regeneration technology, by PCB (printed circuit board) OK
The clean manufacturing of industry pushes to a new step.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit this utility model
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in this utility model
Protection domain within.
Claims (7)
1. a kind of acidic etching liquid retracting device, including acidic etching liquid waste liquid storage facility, for store acid etching
Liquid waste liquid carries out being electrolysed the electrolysis unit of process and for reclaiming the acid erosion that the electrolysis unit carries out being produced after electrolysis process
Carve the acidic etching liquid regenerating unit of regenerated liquid, the acidic etching liquid waste liquid storage facility, the electrolysis unit and the acid
Property etching solution regenerating unit be sequentially connected with, it is characterised in that the acidic etching liquid retracting device also includes described for reclaiming
Electrolysis unit produce chlorine chlorine recovery device, the chlorine recovery device respectively with the electrolysis unit, the acidity
Etching solution regenerating unit connects；
The chlorine recovery device includes for absorbing the chlorine and adjusting the change acid tank that the acid etching regenerates liquid acidity,
Describedization acid tank is connected respectively with the electrolysis unit, the acidic etching liquid regenerating unit.
2. acidic etching liquid retracting device as claimed in claim 1, it is characterised in that the chlorine recovery device also includes using
In the change acid developing agent storage groove to additionization acid agent in describedization acid tank, describedization acid developing agent storage groove is connected with describedization acid tank.
3. acidic etching liquid retracting device as claimed in claim 1, it is characterised in that describedization acid agent include oxalic acid, ethanol,
At least one of formaldehyde, acrylic acid.
4. acidic etching liquid retracting device as claimed in claim 1, it is characterised in that describedization acid tank is provided with agitator.
5. acidic etching liquid retracting device as claimed in claim 1, it is characterised in that the acidic etching liquid retracting device is also
Including for the chlorine to be passed into the ejector of describedization acid tank, the ejector is connected to describedization acid tank with the electricity
Between solution device.
6. acidic etching liquid retracting device as claimed in claim 1, it is characterised in that the electrolysis unit include minus plate,
Positive plate and electrolysis bath, minus plate paralleling and interleaving arrangement in the electrolysis bath with the positive plate.
7. acidic etching liquid retracting device as claimed in claim 6, it is characterised in that the electrolysis unit also includes anode
Box, the positive plate is placed in the anode cassette.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620850101.2U CN206109541U (en) | 2016-08-05 | 2016-08-05 | Acid etching fluid recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620850101.2U CN206109541U (en) | 2016-08-05 | 2016-08-05 | Acid etching fluid recovery unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206109541U true CN206109541U (en) | 2017-04-19 |
Family
ID=58512130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620850101.2U Active CN206109541U (en) | 2016-08-05 | 2016-08-05 | Acid etching fluid recovery unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206109541U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468417A (en) * | 2019-09-09 | 2019-11-19 | 深圳中科欧泰华环保科技有限公司 | A kind of method and device of hardware etching waste liquor on-line regeneration processing |
-
2016
- 2016-08-05 CN CN201620850101.2U patent/CN206109541U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468417A (en) * | 2019-09-09 | 2019-11-19 | 深圳中科欧泰华环保科技有限公司 | A kind of method and device of hardware etching waste liquor on-line regeneration processing |
| CN110468417B (en) * | 2019-09-09 | 2021-08-06 | 深圳中科欧泰华环保科技有限公司 | Method and device for online regeneration treatment of hardware etching waste liquid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101748430B (en) | Copper recovery system of printed board acid etching waste solution and etching solution regeneration method | |
| CN203741423U (en) | Electrolytic cell for regeneration of acidic etching solution | |
| CN102732887B (en) | Method and system for cyclic utilization and copper extraction of waste alkaline etching liquid | |
| CN202492580U (en) | Acid etching liquid recycling device of PCB (Printed Circuit Board) | |
| CN102560499A (en) | Device for recycling printed circuit board acidic etching solution | |
| CN106904799A (en) | A kind of electro reclamation intensifying device and the method that Heavy Metals in Sludge is removed using the device | |
| CN206109541U (en) | Acid etching fluid recovery unit | |
| CN204982071U (en) | Waste cupric liquor copper recovery device | |
| CN206529526U (en) | A kind of acidic etching liquid regeneration cycle uses copper reclaimer | |
| CN201971894U (en) | Microetch medicinal liquid circulating and regenerating device of printed circuit board (PCB) settled copper wire | |
| CN106637216A (en) | Acidic etching liquid regeneration reuse copper recycling device | |
| CN203307434U (en) | Regeneration treatment system of acidic etching waste liquid | |
| CN103523977A (en) | Printing plate etching waste liquid treatment system and method | |
| CN103628092B (en) | Printed circuit board etching waste liquid treatment system and method | |
| CN111515227A (en) | Tin stripping waste liquid and waste circuit board cooperative treatment equipment and method | |
| CN104726866A (en) | Acidic etching waste liquid regeneration and copper recovery device | |
| CN203546157U (en) | Alkaline etching solution copper recycling and regenerating system | |
| CN204625786U (en) | A kind of acidic etching liquid electrolysis cycle regeneration system rapidly | |
| CN103290415B (en) | Treatment process and system of acid etching solution | |
| CN205529064U (en) | Copper device is retrieved in acid etching solution regeneration | |
| CN204625787U (en) | A kind of alkaline etching liquid electrolysis cycle regeneration system rapidly | |
| CN204874769U (en) | Palmization liquid and lose liquid a little and retrieve copper device | |
| CN104726864A (en) | Micro-corrosive liquid recycling and regenerating device | |
| CN209039243U (en) | A kind of processing unit of PCB circuit board copper-containing wastewater | |
| CN109972140A (en) | A kind of circulation regeneration method of alkaline etching liquid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171109 Address after: 518000 Guangdong Shenzhen, Baoan District province manhole Street Xinqiao new industrial zone, Xinfa two road 13 plant 1, 2, 3, 2 Patentee after: ShenZhen JeCh Technology Co., Ltd. Address before: 518000, 602-2, building 6, 8 Hyatt tower, Xinqiao Road, Baoan District, Shenzhen, Guangdong Patentee before: Shenzhen Hongda Environment Technology Co., Ltd. |
|
| TR01 | Transfer of patent right |