CN109628748A - The extraction electrodeposition device and extraction electrodeposition method of etching solution - Google Patents
The extraction electrodeposition device and extraction electrodeposition method of etching solution Download PDFInfo
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- CN109628748A CN109628748A CN201910049760.4A CN201910049760A CN109628748A CN 109628748 A CN109628748 A CN 109628748A CN 201910049760 A CN201910049760 A CN 201910049760A CN 109628748 A CN109628748 A CN 109628748A
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- extractor
- etching solution
- copper
- electrolytic cell
- pipeline
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Geochemistry & Mineralogy (AREA)
- ing And Chemical Polishing (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention discloses a kind of extraction electrodeposition device of etching solution and extraction electrodeposition methods, the extraction electrodeposition device includes extractor (1) and electrolytic cell (9), extractor (1) top is provided with inlet tube (16) and liquid back pipe (5), and pump (4) and valve b(7 are provided on liquid back pipe (5))；Extractor (1) surface is provided with shell (3), is fixedly installed on shell (3) stirring motor (2), and stirring motor (2) is connected with stirring blade (15) by connecting rod；Anode torch (901), cathode torch (902) and partition (11) are provided in the electrolytic cell (9).Simple and compact for structure, the good damping effect of the device of the invention, extraction efficiency is high, improves the recovery utilization rate to spent etching solution, high-efficiency environment friendly.
Description
Technical field
The present invention relates to etching fields, more particularly to the extraction electrodeposition device and extraction electrodeposition method of etching solution.
Background technique
Etching is one of important procedure in printed circuit board, and etching needs to consume a large amount of etching solution, while also producing
Raw a large amount of spent etching solutions and waste water, etched liquid can be discharged from etching groove frequently, while need to add new etching
Liquid.Due to containing a large amount of copper in spent etching solution, the waste of copper is on the one hand caused, is on the other hand had seriously polluted the environment；And
Using the etching waste liquor of these cuprics as the copper in raw materials recovery waste liquid, it will generate huge economic benefit and good Environmental Effect
Benefit.
In etching waste liquor processing and copper removal process, is usually first extracted and be electrolysed again；It will erosion in extraction process
Waste liquid and the full and uniform mixing of extractant are carved, is the most important condition for realizing efficient extraction and recovery copper, currently used etching
Waste liquid extracts agitating device and drives rotation axis driving to be fixed on rotation axis only by the motor being directly anchored on extraction equipment
On stirring blade rotation, realize agitating function, apparatus structure is big and vibration is obvious, can not efficiently complete extraction function, extraction
It takes rear organic phase to take out copper-bath through back extraction and carries out electrolytic recovery elemental copper again, and to the useless etching of the low copper generated in extraction
Liquid is unable to effective recycling.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology, and it is good to provide a kind of effect of extracting, copper ion recovery efficiency
Height, the extraction electrodeposition device and extraction electrodeposition method of the etching solution of environment-friendly high-efficiency.
The purpose of the present invention is achieved through the following technical solutions: a kind of extraction electrodeposition device of etching solution, it includes extraction
Device and electrolytic cell are taken, the extractor top is provided with inlet tube and liquid back pipe, pump and valve b are provided on liquid back pipe, returns liquid
The pipe other end connects extractor bottom；Extractor surface is provided with shell, and stirring motor, stirring motor are fixedly installed on shell
It is connected with stirring blade by connecting rod, stirring blade is located inside extractor；It is provided between the extractor and shell more
Group damping device, damping device are uniformly distributed around extractor outer peripheral surface；Anode torch, cathode electricity are provided in the electrolytic cell
Stick and partition, Anodic torch and cathode torch are respectively positioned on partition the same side；Partition two sides are respectively arranged with pipeline A and pipeline
B, pipeline A and pipeline B are all connected with extractor bottom, and valve a is wherein provided on pipeline A, valve c is provided on pipeline B.
Further, the extractor and shell are cylinder-like structure.
Further, the liquid back pipe, pipeline A and inlet tube run through shell.
Further, it is additionally provided with outlet tube on the electrolytic cell, is provided with valve on outlet tube.
Further, the damping device includes the lower cushion block and upper cushion block for being respectively welded at shell and extractor surface,
Upper cushion block is connected with lower cushion block by bolt of long stem, and spring is additionally provided between upper cushion block and lower cushion block, and spring pocket is mounted in stock
On bolt.
A kind of extraction electrodeposition method of etching solution, it is characterised in that: it the following steps are included:
S1. it is mixed: each leading into extractant and acidic etching liquid in extractor along inlet tube, open stirring motor and carry out
It being mixed, opens simultaneously valve b and pump, the mixed liquor in extractor is recycled in extractor up and down by liquid back pipe, thus
Extractant and acidic etching liquid are come into full contact with to be uniformly mixed, copper ion is extracted in extractant in mixed liquor；
S2. it extracts: after mixing, standing mixing liquid, because of density variation, extractant and etching solution are layered；It opens
Valve c is opened, the low copper etchant solution for being located at lower layer is passed through the electrolytic cell without electrolytic bar side separated by partition along pipeline B
Interior, the high-copper organic phase positioned at upper layer is retained in extractor；
S3. be stripped: the dilute sulfuric acid for being passed through 22-30g/L into extractor by inlet tube is stripped, and it is high to obtain copper content
Copper-bath is passed through in electrolytic cell by copper-bath and low copper organic phase along pipeline A, and low copper organic phase is followed as extractant
Ring uses；
S4. be electrolysed: electrolytic cell Inner electrolysis copper sulphate, cathode torch generate elemental copper, and anode torch generates oxygen and enters along tracheae
In the etching solution of the partition other side, oxidation is carried out to a small amount of monovalence copper contained in etching solution and generates bivalent cupric ion, generation
Low copper etchant solution can be used as the sub- liquid of etching to be recycled.
Simple and compact for structure, the good damping effect of the device of the invention, extraction efficiency is high, improves and returns to spent etching solution
Receive utilization rate, high-efficiency environment friendly.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the a-quadrant enlarged diagram of apparatus of the present invention；
In figure: 1- extractor, 2- stirring motor, 3- shell, 4- pump, 5- liquid back pipe, 6- damping device, 7- valve b, 8- valve c,
9- electrolytic cell, 10- outlet tube, 11- partition, 12- tracheae, 13- valve a, 14- pipeline A, 15- stirring blade, 16- inlet tube,
The upper cushion block of 17- pipeline B, 61-, 62- bolt of long stem, 63- spring, 64- lower cushion block, 901- anode torch, 902- cathode torch.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing, but protection scope of the present invention is not limited to following institute
It states.
As shown in Figs. 1-2, the extraction electrodeposition device of a kind of etching solution, it includes extractor (1) and electrolytic cell (9), described
Extractor (1) top is provided with inlet tube (16) and liquid back pipe (5), and pump (4) and valve b(7 are provided on liquid back pipe (5)), it returns
Liquid pipe (5) other end connects extractor (1) bottom；Extractor (1) surface is provided with shell (3), and shell is fixedly installed on (3)
Stirring motor (2), stirring motor (2) are connected with stirring blade (15) by connecting rod, and stirring blade (15) is located at extractor (1)
It is internal；It is provided with anode torch (901), cathode torch (902) and partition (11) in the Xie Chi (9), anode torch (901),
Cathode torch (902) is respectively positioned on partition (11) the same side, is additionally provided with tracheae (12) on electrolytic cell (9), tracheae (12) both ends point
It She Zhi not be in the electrolytic cell (9) of partition (11) two sides；Electrolytic cell (9) internal partition (11) two sides are also respectively provided with pipeline
A(14) and pipeline B(17), pipeline A(14) and pipeline B(17) be all connected with extractor (1) bottom, wherein pipeline A(14) on be arranged
Have valve a(13), pipeline B(17) on be provided with valve c(8), be additionally provided with outlet tube (10), outlet tube on electrolytic cell (9)
(10) valve is provided on.
It is provided with multiple groups damping device (6) between the extractor (1) and shell (3), damping device (6) surrounds extractor
(1) outer peripheral surface is uniformly distributed；Damping device (6) includes the lower cushion block (64) for being respectively welded at shell (3) Yu extractor (1) surface
With upper cushion block (61), upper cushion block (61) and lower cushion block (64) are connected by bolt of long stem (62), upper cushion block (61) and lower cushion block
(64) it is additionally provided between spring (63), spring (63) is sleeved on bolt of long stem (62).
The shell (3) and extractor (1) they are cylinder-like structure, liquid back pipe (5), pipeline A(14) and inlet tube (16)
Run through shell (3).
A kind of extraction electrodeposition method of etching solution, it is characterised in that: it the following steps are included:
S1. be mixed: along inlet tube (16) toward each lead into extractor (1) extractant organic phase that volume ratio is 1:1 with
Acidic etching liquid water phase, optional common extractant have: P204, P507, Lix984, N902 etc., open stirring motor (2) and carry out
Mixing forms mixed liquor, opens simultaneously valve b(7) and pump (4), under the swabbing action of pump (4), in extractor (1)
Mixed liquor upper and lower iterative cycles in extractor (1) by liquid back pipe (5), so that extractant and acidic etching liquid be made to come into full contact with
To be uniformly mixed, and then copper ion is extracted in extractant in mixed liquor；
S2. it extracts: after mixing, standing mixing liquid, because of density variation, extractant and etching solution are layered；It opens
Open valve c(8), the low copper etchant solution for being located at lower layer is passed through along pipeline B(17) and is free of electrolytic bar one by what partition (11) separated
In the electrolytic cell (9) of side, the high-copper organic phase positioned at upper layer is retained in extractor (1)；
S3. be stripped: the dilute sulfuric acid for being passed through 22-30g/L into extractor (1) by inlet tube (16) carries out back extraction stirring, is passed through
Dilute sulfuric acid and extractor (1) in organic Phase Proportion that the copper content positioned at lower layer is obtained between 2:1 to 4:1, after standing is high
Copper-bath and low copper organic phase positioned at upper layer, copper-bath are passed through in electrolytic cell (9) along pipeline A(14), low copper
Organic phase is recycled in extractor (1) as extractant；
S4. be electrolysed: electrolytic cell (9) Inner electrolysis copper sulphate, cathode torch (902) generate elemental copper, and anode torch generates oxygen edge
Tracheae (12) enters in the low copper etchant solution of partition (11) other side, carries out oxidation life to a small amount of monovalence copper contained in etching solution
At bivalent cupric ion, the low copper etchant solution of generation can be used as the sub- liquid of etching and be recycled in etching line.
Claims (10)
1. a kind of extraction electrodeposition device of etching solution, it is characterised in that: it includes extractor (1) and electrolytic cell (9), the extraction
Device (1) top is provided with inlet tube (16) and liquid back pipe (5), and pump (4) and valve b(7 are provided on liquid back pipe (5))；Extractor
(1) surface is provided with shell (3), is fixedly installed on shell (3) stirring motor (2), and stirring motor (2) is connected by connecting rod
There are stirring blade (15)；Anode torch (901), cathode torch (902) and partition (11) are provided in the electrolytic cell (9).
2. the extraction electrodeposition device of etching solution according to claim 1, it is characterised in that: the stirring blade (15) is located at
Extractor (1) is internal.
3. the extraction electrodeposition device of etching solution according to claim 1, it is characterised in that: the liquid back pipe (5), pipeline A
(14) and inlet tube (16) runs through shell (3).
4. the extraction electrodeposition device of etching solution according to claim 1, it is characterised in that: the extractor (1) and shell
(3) it is provided between multiple groups damping device (6), damping device (6) is uniformly distributed around extractor (1) outer peripheral surface.
5. the extraction electrodeposition device of etching solution according to claim 1, it is characterised in that: liquid back pipe (5) other end
Connect extractor (1) bottom.
6. the extraction electrodeposition device of etching solution according to claim 1, it is characterised in that: also set on the electrolytic cell (9)
It is equipped with outlet tube (10), outlet tube is provided with valve on (10).
7. the extraction electrodeposition device of etching solution according to claim 4, it is characterised in that: the damping device (6) includes
It is respectively welded at the lower cushion block (64) and upper cushion block (61) of shell (3) Yu extractor (1) surface, upper cushion block (61) and lower cushion block
(64) it is connected, is additionally provided with spring (63) between upper cushion block (61) and lower cushion block (64), spring (63) by bolt of long stem (62)
It is sleeved on bolt of long stem (62).
8. the extraction electrodeposition device of etching solution according to claim 1, it is characterised in that: electrolytic cell (9) internal partition
(11) two sides are respectively arranged with pipeline A(14) and pipeline B(17), pipeline A(14) and pipeline B(17) it is all connected with extractor (1) bottom
Portion, wherein pipeline A(14) on be provided with valve a(13), pipeline B(17) on be provided with valve c(8).
9. the extraction electrodeposition device of etching solution according to claim 1, it is characterised in that: the sun in the electrolytic cell (9)
Pole torch (901), cathode torch (902) are respectively positioned on partition (11) the same side, are additionally provided with tracheae (12), gas on electrolytic cell (9)
Pipe (12) both ends are separately positioned in the electrolytic cell (9) of partition (11) two sides.
10. a kind of extraction electrodeposition method of etching solution, it is characterised in that: it the following steps are included:
S1. it is mixed: each leading into extractant and acidic etching liquid in extractor (1) along inlet tube (16), open stirring
Motor (2) is mixed, and valve b(7 is opened simultaneously) and (4) are pumped, the mixed liquor in extractor (1) passes through liquid back pipe (5)
In extractor (1) up and down circulation, thus come into full contact with extractant and acidic etching liquid be uniformly mixed, in mixed liquor copper from
Son is extracted in extractant；
S2. it extracts: after mixing, standing mixing liquid, because of density variation, extractant and etching solution are layered；It opens
Open valve c(8), the low copper etchant solution for being located at lower layer is passed through along pipeline B(17) and is free of electrolytic bar one by what partition (11) separated
In the electrolytic cell (9) of side, the high-copper organic phase positioned at upper layer is retained in extractor (1)；
S3. be stripped: the dilute sulfuric acid for being passed through 22-30g/L into extractor (1) by inlet tube (16) is stripped, and is contained
Copper-bath is passed through in electrolytic cell (9) by the high copper-bath of amount of copper and low copper organic phase along pipeline A(14), and low copper has
Machine is mutually used as extractant to be recycled；
S4. be electrolysed: electrolytic cell (9) Inner electrolysis copper sulphate, cathode torch (902) generate elemental copper, and anode torch generates oxygen edge
Tracheae (12) enters in the etching solution of partition (11) other side, carries out oxidation to a small amount of monovalence copper contained in etching solution and generates two
Valence copper ion, the low copper etchant solution of generation can be used as the sub- liquid of etching to be recycled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910049760.4A CN109628748B (en) | 2019-01-18 | 2019-01-18 | Extraction electrodeposition device and extraction electrodeposition method for etching solution |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910049760.4A CN109628748B (en) | 2019-01-18 | 2019-01-18 | Extraction electrodeposition device and extraction electrodeposition method for etching solution |
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| CN109628748A true CN109628748A (en) | 2019-04-16 |
| CN109628748B CN109628748B (en) | 2020-11-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206266A (en) * | 2020-02-20 | 2020-05-29 | 华建彬 | Extraction electrodeposition device of etching solution |
| CN113089023A (en) * | 2021-03-22 | 2021-07-09 | 浙江中金格派锂电产业股份有限公司 | Method and device for purifying electrodeposited cobalt solution |
| CN114990635A (en) * | 2022-05-25 | 2022-09-02 | 董凯 | Electrochemical reaction tank |
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| CN114990635A (en) * | 2022-05-25 | 2022-09-02 | 董凯 | Electrochemical reaction tank |
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