CN107326184A - A kind of system and method for reclaiming copper foil in useless copper-clad plate - Google Patents
A kind of system and method for reclaiming copper foil in useless copper-clad plate Download PDFInfo
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- CN107326184A CN107326184A CN201710530185.0A CN201710530185A CN107326184A CN 107326184 A CN107326184 A CN 107326184A CN 201710530185 A CN201710530185 A CN 201710530185A CN 107326184 A CN107326184 A CN 107326184A
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- copper foil
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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
- C22B7/001—Dry processes
- C22B7/004—Dry processes separating two or more metals by melting out (liquation), i.e. heating above the temperature of the lower melting metal component(s); by fractional crystallisation (controlled freezing)
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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
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/0028—Smelting or converting
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
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- 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
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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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- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention relates to a kind of system and method for reclaiming copper foil in useless copper-clad plate.The system includes the first pyrolysis installation, separator, the second pyrolysis installation, copper foil processing unit；First pyrolysis installation has copper-clad plate entrance, solid product outlet, pyrolysis gas outlet；Separator has solid product entrance, the outlet of blister copper paper tinsel, glass fibre outlet, and solid product entrance is connected with the solid product outlet of the first pyrolysis installation；Second pyrolysis installation has blister copper paper tinsel entrance, the outlet of hot copper foil, and the blister copper paper tinsel outlet of blister copper paper tinsel entrance and separator is connected；Copper foil processing unit has hot copper foil entrance, copper foil outlet, and hot copper foil entrance is connected with the hot copper foil outlet of the second pyrolysis installation.The present invention uses two-stage pyrolytic technique, can both realize the high efficiente callback of copper foil in useless copper-clad plate, the energy consumption of pyrolytic process is reduced again, production cost is low, efficiency high.
Description
Technical field
Field is utilized the present invention relates to solid waste resource recovery, and in particular to the system of copper foil in a kind of useless cladding plate of recovery
And method.
Background technology
There is copper foil in useless copper-clad plate higher recycling to be worth.At present, the technology of copper foil in useless copper-clad plate is reclaimed
Including mechanical-physical treatment technology and pyrometallurgical smelting technology.Reclaimed using the two methods in useless copper-clad plate during copper foil,
The waste gas of pollution environment is easily produced, also, reclaims obtained copper foil inferior quality, it is necessary to carry out further melting, refining,
Cost recovery is higher, unfriendly to environment.
The content of the invention
In view of the problem of prior art is present, the present invention is intended to provide a kind of recovery for being capable of high-efficiency cleaning is given up in copper-clad plate
The system and method for copper foil, can obtain the copper foil of high-quality, cost recovery is low using the system and method for the present invention, and environment is dirty
Dye is small.
The invention provides a kind of system for reclaiming copper foil in useless copper-clad plate, the system includes the first pyrolysis installation, divided
From device, the second pyrolysis installation, copper foil processing unit.
First pyrolysis installation has copper-clad plate entrance, solid product outlet, pyrolysis gas outlet.
The separator has solid product entrance, the outlet of blister copper paper tinsel, glass fibre outlet, the solid product entrance
It is connected with the solid product outlet of first pyrolysis installation.
Second pyrolysis installation has blister copper paper tinsel entrance, the outlet of hot copper foil, and the blister copper paper tinsel entrance is separated with described
The blister copper paper tinsel outlet connection of device.
The copper foil processing unit has hot copper foil entrance, copper foil outlet, the hot copper foil entrance and described second
The hot copper foil outlet connection of pyrolysis installation.
Further, the system also includes gas cleaning plant, and the gas cleaning plant has pyrolysis gas entrance, clean
Net pyrolysis gas outlet.First pyrolysis installation and the second pyrolysis installation are provided with air inlet.The pyrolysis gas entrance and institute
State the pyrolysis gas outlet connection of the first pyrolysis installation.The clean pyrolysis gas outlet respectively with first pyrolysis installation and second
The air inlet connection of pyrolysis installation.
Further, the copper foil processing unit includes dipping by lye device, flusher, the pickling dress being sequentially connected
Put, hot copper foil is soaked respectively, rinsed, pickling processes, wherein, the dipping by lye device has the hot copper foil
There is entrance, the acid dip pickle copper foil to export.
It is preferred that, the system also includes smelting apparatus, and the smelting apparatus has copper foil entrance, copper anode plate outlet；
The copper foil entrance is connected with the copper foil outlet of the copper foil processing unit.
It is preferred that, the system also includes electrolysis unit, and the electrolysis unit receives the copper sent into by the smelting apparatus
Positive plate, the copper anode plate obtains copper as the anode of electrolytic process through electrolysis processing.
The invention also provides a kind of method that copper foil in useless copper-clad plate is reclaimed according to said system, it is characterised in that institute
Stating method includes step：
A, useless copper-clad plate sent into first pyrolysis installation and be pyrolyzed, obtain solid product and pyrolysis gas；
B, the solid product sent into the separator and carry out electrostatic separation, obtain blister copper paper tinsel and glass fibre；
C, the blister copper paper tinsel sent into second pyrolysis installation and be further pyrolyzed, obtain hot copper foil；
D, the hot copper foil is sent directly into the copper foil processing unit without cooling handled, obtain copper foil.
Further, in step A, the pyrolysis temperature is 350~600 DEG C, and pyrolysis time is 1~2h.
Further, in step C, the pyrolysis temperature is 600~900 DEG C, and pyrolysis time is 0.2~1h.
It is preferred that, purified rear feeding first pyrolysis installation of the pyrolysis gas that step A is obtained and the second pyrolysis
Fuel heat supply is used as in device.
It is preferred that, in step D, copper foil processing procedure includes：The hot copper foil is subjected to dipping by lye, clear water punching successively
Wash, pickling, obtain the copper foil.Wherein, the temperature of dipping by lye process is 30~100 DEG C.
The present invention is combined using two-stage pyrolytic technique, the efficient copper foil reclaimed in useless copper-clad plate.Low temperature is used first
The separation of copper foil and base material is realized in the useless copper-clad plate of pyrolysis, is then pyrolyzed the blister copper paper tinsel separated using high temperature again, both can be with
Realize that the high effect cleaning of copper foil is reclaimed, the energy consumption of pyrolytic process is reduced again.Also, in high temperature pyrolytic process, generation
Gas flow is few, and the 3% of not enough tradition pyrogenic process, so as to reduce processing cost.
Copper content reaches more than 98% in the copper foil obtained using the system and method for the present invention, and the quality of copper foil is preferable,
It can be directly used for making positive plate, it is to avoid the melting subtractive process of traditional pyrogenic process.
Brief description of the drawings
Fig. 1 obtains the system schematic of copper for copper foil in the useless copper-clad plate of recovery in the embodiment of the present invention and further processing.
Fig. 2 obtains the method flow of copper for copper foil in the useless copper-clad plate of system recovery according to Fig. 1 and further processing
Schematic diagram.
Reference in accompanying drawing is as follows：
The pyrolysis installations of 1- first；2- separators；The pyrolysis installations of 3- second；4- dipping by lye devices；5- flushers；6-
Acid dip pickle；7- smelting apparatus；8- electrolysis units；9- gas cleaning plants.
Embodiment
Below in conjunction with drawings and examples, the embodiment to the present invention is described in more details, so as to energy
Enough more fully understand the solution of the present invention and the advantage of its various aspects.However, specific embodiments described below and reality
Apply the purpose that example is only explanation, rather than limitation of the present invention.
An object of the present invention is to provide a kind of system for reclaiming copper foil in useless copper-clad plate, it is preferred that obtain recovery
Copper foil progress handle and obtain copper, see Fig. 1.
Wherein, reclaiming the system of copper foil in useless copper-clad plate includes the first pyrolysis installation 1, separator 2, the second pyrolysis installation
3rd, copper foil processing unit.It is preferred that, copper foil processing unit includes dipping by lye device 4, flusher 5, acid dip pickle 6.
First pyrolysis installation 1 is used to be pyrolyzed useless copper-clad plate, realizes the separation of copper foil and base material, with copper-clad plate entrance, admittedly
Body product exit, pyrolysis gas outlet.In the different embodiment of the present invention, air inlet is additionally provided with.It is preferably low in the present invention
Warm pyrolysis oven.
Separator 2 is used to be separated solid product, with solid product entrance, the outlet of blister copper paper tinsel, glass fibre
Outlet.Wherein, solid product entrance is connected with the solid product outlet of the first pyrolysis installation 1.In the present invention, preferred electrostatic separation
Device.
Second pyrolysis installation 3 is used to be pyrolyzed the micro-content organism that blister copper paper tinsel removes surface, with blister copper paper tinsel entrance, hot copper
Paper tinsel is exported.In the different embodiment of the present invention, air inlet is additionally provided with.Wherein, blister copper paper tinsel entrance and separator 2 is thick
Copper foil outlet connection.In the present invention, preferred high temperature pyrolysis oven.
Also, preferably " moving bed that radiant tube and circulating current integrate heating is done for low temperature pyrogenation stove and high temperature pyrolysis oven
Furnace ", by controlling the difference of pyrolysis temperature in burner hearth, the need for meeting different pyrolytic reactions.
Copper foil processing unit has hot copper foil entrance, copper foil outlet.Wherein, hot copper foil entrance and the second pyrolysis installation
3 hot copper foil outlet connection.
It is preferred that, copper foil processing unit includes dipping by lye device 4, flusher 5, the acid dip pickle 6 being sequentially connected, and uses
In being soaked respectively to the hot copper foil discharged by the second pyrolysis installation 3, rinse, pickling processes.Wherein, dipping by lye device
4 have hot copper foil entrance, and acid dip pickle 6 is exported with copper foil.Also, the hot copper foil entrance of dipping by lye device 4 and
The hot copper foil outlet connection of two pyrolysis installations 3.
As the preferred embodiment of the invention, the system also includes gas cleaning plant 9, for purifying pyrolytic process production
Raw pyrolysis gas, it has pyrolysis gas entrance, clean pyrolysis gas outlet.Wherein, the heat of pyrolysis gas entrance and the first pyrolysis installation 1
Vent one's spleen and export connection.Air inlet of the clean pyrolysis gas outlet respectively with the first pyrolysis installation 1 and the second pyrolysis installation 3 is connected.
In an embodiment of the present invention, in addition to by copper foil the device for obtaining copper is further handled, it is the He of smelting apparatus 7
Electrolysis unit 8.
It is the higher copper anode plate of purity that smelting apparatus 7, which is used for copper foil melting, is gone out with copper foil entrance, copper anode plate
Mouthful.Wherein, copper foil entrance is connected with the copper foil outlet of copper foil processing unit.It is preferred that, the copper foil entrance of smelting apparatus 7 and pickling
The copper foil outlet connection of device 6.
Electrolysis unit 8 is used to receive the copper anode plate sent into by smelting apparatus 7, using copper anode plate as electrolytic cell anode
Electrolysis processing is carried out, copper is obtained.
Based on said system, the invention also provides a kind of method for reclaiming copper foil in useless copper-clad plate.Stream as shown in Figure 2
In journey schematic diagram, further it is shown that the step of copper foil is further handled to acquisition copper.
A, useless copper-clad plate sent into the first pyrolysis installation 1 and carry out pyrolysis processing so that copper foil and base in useless copper-clad plate
Material realizes separation, obtains solid product and pyrolysis gas containing copper foil.
In the step, preferred low temperature pyrogenation stove.Also, control pyrolysis temperature be 350~600 DEG C, pyrolysis time be 1~
2h so that copper foil and base material, which are realized, to be efficiently separated.Anaerobic state is kept in low temperature pyrogenation stove, it is to avoid the generation influence copper of oxide
The quality of paper tinsel.
As the preferred embodiment of the invention, feeding the first pyrolysis installation and second after the pyrolysis gas of above-mentioned generation is purified
In pyrolysis installation, fuel heat supply is provided for pyrolytic reaction process.
B, will solid product send into separator 2 in carry out electrostatic separation, obtain blister copper paper tinsel and glass fibre.Wherein, glass
Glass fiber is used as the raw material of brickmaking.In the step, the efficiency of electrostatic separation reaches more than 99%.Also, resulting blister copper paper tinsel
Purity is higher, and the impurity content on surface is less than 10%.
C, blister copper paper tinsel sent into the second pyrolysis installation 3 and carry out further pyrolysis processing so that thick copper foil surface it is micro
Organic impurities are pyrolyzed, and realize disengaging with blister copper paper tinsel, obtain hot copper foil.
In the step, preferred high temperature pyrolysis oven.Also, it is 600~900 DEG C to control pyrolysis temperature, and pyrolysis time is 0.2
~1h, it is ensured that the micro-content organism impurity of thick copper foil surface realizes removing.In pyrolytic process, it is in anaerobic to maintain high temperature pyrolysis oven
State.
D, hot copper foil are sent directly into copper foil processing unit without cooling and handled, and obtain copper foil.It is preferred that, at this
Reason process includes carrying out hot copper foil dipping by lye, clear water flushing, pickling processes successively.Hot copper foil directly enters without cooling
Row dipping by lye, plays a part of heating to alkali lye, enhances alkali lye and removes the effect of copper foil surface impurity, and is conducive to copper
The cleaning of paper tinsel.
Wherein, dipping by lye process, hot copper foil is placed in alkali lye pond, the tar that can adhere to hot copper foil surface
And carbon black is separated and removed, and it is rinsed using clear water, obtains surface impurity level ＜ 1% copper foil, then, is washed with acid solution
So that the impurity of copper foil surface is fully removed, the copper content ＞ 98% of obtained copper foil.During being somebody's turn to do, the master of alkali lye in alkali lye pond
It is NaOH to want composition, and the mass concentration of alkali lye is 5~15%.It is 30~100 DEG C to control the temperature in alkali lye pond.
As the different embodiment of the present invention, copper foil that step D is obtained is smelting, after electrolysis processing, obtain purity compared with
High copper.Melting, the process conditions of pyrolytic process are common process.
Specific steps are not limited to better illustrate in technical scheme, embodiment with reference to embodiments
Fixed, refer both to employ common process well known to those skilled in the art.
Embodiment 1
1st, useless copper-clad plate is sent into low temperature pyrogenation stove and be pyrolyzed, in-furnace temperature is 350 DEG C, be pyrolyzed under anaerobic state
1.5h, obtains solid product and pyrolysis gas.
2nd, solid product is sent into electrostatic separation apparatus and carries out electrostatic separation, obtain glass fibre and surface impurity level
<5% blister copper paper tinsel.Wherein, glass fibre is used as the raw material of brickmaking.The efficiency of electrostatic separation>99%.
3rd, blister copper paper tinsel is sent into high temperature pyrolysis oven, in-furnace temperature is 650 DEG C, and 0.5h is pyrolyzed under anaerobic state.Slightly
The impurity of copper foil surface is pyrolyzed removal, obtains the higher hot copper foil of purity.
4th, hot copper foil is sent into temperature to be soaked in 100 DEG C of alkali lye pond, the main component of alkali lye is NaOH, alkali
Liquid mass concentration is 10%.Hot copper foil carries out clear water flushing, pickling, the impurity content of gained copper foil surface after dipping by lye
<1%, copper content ＞ 98%.
5th, copper foil is subjected to melting, electrolysis, obtains purity ＞ 98% copper.
Embodiment 2
1st, useless copper-clad plate is sent into low temperature pyrogenation stove and be pyrolyzed, in-furnace temperature is 450 DEG C, be pyrolyzed under anaerobic state
1.5h, obtains solid product and pyrolysis gas.
2nd, solid product is sent into electrostatic separation apparatus and carries out electrostatic separation, obtain glass fibre and surface impurity level
<4% blister copper paper tinsel.Wherein, glass fibre is used as the raw material of brickmaking.The efficiency of electrostatic separation>99%.
3rd, blister copper paper tinsel is sent into high temperature pyrolysis oven, in-furnace temperature is 800 DEG C, and 0.3h is pyrolyzed under anaerobic state.Slightly
The impurity of copper foil surface is pyrolyzed removal, obtains the higher hot copper foil of purity.
4th, hot copper foil is sent into temperature to be soaked in 100 DEG C of alkali lye pond, the main component of alkali lye is NaOH, alkali
Liquid mass concentration is 10%.Hot copper foil carries out clear water flushing, pickling, the impurity content of gained copper foil surface after dipping by lye
<1%, copper content ＞ 98%.
5th, copper foil is subjected to melting, electrolysis, obtains purity ＞ 98% copper.
Embodiment 3
1st, useless copper-clad plate is sent into low temperature pyrogenation stove and be pyrolyzed, in-furnace temperature is 600 DEG C, be pyrolyzed under anaerobic state
1h, obtains solid product and pyrolysis gas.
2nd, solid product is sent into electrostatic separation apparatus and carries out electrostatic separation, obtain glass fibre and surface impurity level
<3% blister copper paper tinsel.Wherein, glass fibre is used as the raw material of brickmaking.The efficiency of electrostatic separation>99%.
3rd, blister copper paper tinsel is sent into high temperature pyrolysis oven, in-furnace temperature is 900 DEG C, and 0.2h is pyrolyzed under anaerobic state.Slightly
The impurity of copper foil surface is pyrolyzed removal, obtains the higher hot copper foil of purity.
4th, hot copper foil is sent into temperature to be soaked in 100 DEG C of alkali lye pond, the main component of alkali lye is NaOH, alkali
Liquid mass concentration is 10%.Hot copper foil carries out clear water flushing, pickling, the impurity content of gained copper foil surface after dipping by lye
<1%, copper content ＞ 98%.
5th, copper foil is subjected to melting, electrolysis, obtains purity ＞ 98% copper.
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate example of the present invention, and simultaneously
The non-restriction to embodiment.For those of ordinary skill in the field, it can also do on the basis of the above description
Go out other various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.And thus drawn
Among the obvious changes or variations that Shen goes out is still in protection scope of the present invention.
Claims (10)
1. a kind of system for reclaiming copper foil in useless copper-clad plate, it is characterised in that the system includes the first pyrolysis installation, separation dress
Put, the second pyrolysis installation, copper foil processing unit；
First pyrolysis installation has copper-clad plate entrance, solid product outlet, pyrolysis gas outlet；
The separator has solid product entrance, the outlet of blister copper paper tinsel, glass fibre outlet, the solid product entrance and institute
State the solid product outlet connection of the first pyrolysis installation；
Second pyrolysis installation has blister copper paper tinsel entrance, the outlet of hot copper foil, the blister copper paper tinsel entrance and the separator
Blister copper paper tinsel outlet connection；
The copper foil processing unit has hot copper foil entrance, copper foil outlet, the hot copper foil entrance and the described second pyrolysis
The hot copper foil outlet connection of device.
2. system according to claim 1, it is characterised in that also including gas cleaning plant, the gas cleaning plant
With pyrolysis gas entrance, clean pyrolysis gas outlet；First pyrolysis installation and the second pyrolysis installation are provided with air inlet；Institute
The pyrolysis gas outlet that pyrolysis gas entrance is stated with first pyrolysis installation is connected；The clean pyrolysis gas outlet is respectively with described
The air inlet connection of one pyrolysis installation and the second pyrolysis installation.
3. system according to claim 1, it is characterised in that the copper foil processing unit includes the alkali lye leaching being sequentially connected
Bulb apparatus, flusher, acid dip pickle, are soaked to hot copper foil, are rinsed, pickling processes respectively, wherein, the alkali lye leaching
Bulb apparatus has the hot copper foil entrance, and there is the acid dip pickle copper foil to export.
4. system according to claim 1, it is characterised in that also including smelting apparatus, the smelting apparatus has copper foil
Entrance, copper anode plate outlet；The copper foil entrance is connected with the copper foil outlet of the copper foil processing unit.
5. system according to claim 4, it is characterised in that also including electrolysis unit, the electrolysis unit is received by institute
The copper anode plate of smelting apparatus feeding is stated, the copper anode plate obtains copper as the anode of electrolytic process through electrolysis processing.
6. a kind of method that copper foil in useless copper-clad plate is reclaimed according to any described system of claim 1 to 5, it is characterised in that
Methods described includes step：
A, useless copper-clad plate sent into first pyrolysis installation and be pyrolyzed, obtain solid product and pyrolysis gas；
B, the solid product sent into the separator and carry out electrostatic separation, obtain blister copper paper tinsel and glass fibre；
C, the blister copper paper tinsel sent into second pyrolysis installation and be further pyrolyzed, obtain hot copper foil；
D, the hot copper foil is sent directly into the copper foil processing unit without cooling handled, obtain copper foil.
7. method according to claim 6, it is characterised in that in step A, the pyrolysis temperature is 350~600 DEG C, heat
The solution time is 1~2h.
8. method according to claim 6, it is characterised in that in step C, the pyrolysis temperature is 600~900 DEG C, heat
The solution time is 0.2~1h.
9. method according to claim 6, it is characterised in that the purified rear feeding institute of the pyrolysis gas that step A is obtained
State in the first pyrolysis installation and the second pyrolysis installation as fuel heat supply.
10. method according to claim 6, it is characterised in that in step D, copper foil processing procedure includes：Will be described hot
Copper foil carries out dipping by lye, clear water flushing, pickling successively, obtains the copper foil；Wherein, the temperature of dipping by lye process be 30~
100℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710530185.0A CN107326184A (en) | 2017-07-03 | 2017-07-03 | A kind of system and method for reclaiming copper foil in useless copper-clad plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710530185.0A CN107326184A (en) | 2017-07-03 | 2017-07-03 | A kind of system and method for reclaiming copper foil in useless copper-clad plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107326184A true CN107326184A (en) | 2017-11-07 |
Family
ID=60197650
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710530185.0A Pending CN107326184A (en) | 2017-07-03 | 2017-07-03 | A kind of system and method for reclaiming copper foil in useless copper-clad plate |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831287A (en) * | 2014-03-13 | 2014-06-04 | 北京神雾环境能源科技集团股份有限公司 | Method for treating circuit board |
| CN106734067A (en) * | 2016-12-07 | 2017-05-31 | 中南大学 | A kind of full resource cleaning and reclaiming method of the useless circuit board of low-carbon high-efficiency |
| CN206970684U (en) * | 2017-07-03 | 2018-02-06 | 北京神源环保有限公司 | A kind of system for reclaiming copper foil in useless copper-clad plate |
-
2017
- 2017-07-03 CN CN201710530185.0A patent/CN107326184A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831287A (en) * | 2014-03-13 | 2014-06-04 | 北京神雾环境能源科技集团股份有限公司 | Method for treating circuit board |
| CN106734067A (en) * | 2016-12-07 | 2017-05-31 | 中南大学 | A kind of full resource cleaning and reclaiming method of the useless circuit board of low-carbon high-efficiency |
| CN206970684U (en) * | 2017-07-03 | 2018-02-06 | 北京神源环保有限公司 | A kind of system for reclaiming copper foil in useless copper-clad plate |
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