CN104195592A - Waste scrap copper recovery process method - Google Patents
Waste scrap copper recovery process method Download PDFInfo
- Publication number
- CN104195592A CN104195592A CN201410496708.0A CN201410496708A CN104195592A CN 104195592 A CN104195592 A CN 104195592A CN 201410496708 A CN201410496708 A CN 201410496708A CN 104195592 A CN104195592 A CN 104195592A
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- China
- Prior art keywords
- graphite
- useless
- copper
- scrap copper
- base plate
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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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- Electrolytic Production Of Metals (AREA)
Abstract
The invention discloses a waste scrap copper recovery process method. A waste scrap copper is put into a graphite anode electrolytic cell after being processed into small-size blocks, sheets or powdery coarse wastes, a pure copper is made into a sheet serving as a cathode, a mixed solution of sulfuric acid and sulfuric acid serve as a electrolyte to carry out electrolytic refining, as a graphite baseplate is used as the electrolysis anode, the process of smelting an anode plate is avoided, the energy consumption is reduced, and the processing cost of the waste scrap copper is lowered.
Description
Technical field
The present invention relates to useless composition brass recovery technology field, is that a kind of flow process is short, cost is low, the useless technology for recycling scrap copper method of less energy consumption specifically.
Background technology
Along with developing rapidly of China's electric power, mechanical industry, the consumption of copper increases gradually.According to brainstrust statistical forecast, the degree of self-sufficiency approximately 60% left and right of current China copper.The regeneration of therefore useless composition brass more and more seems important.Very complicated from the useless composition brass composition of factory and society's recovery, by foreign matter content and color, be broadly divided into two classes: purple composition brass and brass.Wire and waste product and the tankage of red copper in the course of processing of the electrical equipment that purple composition brass is mainly scrapped by enterprise form, and grade is very high, and copper content is greater than 98%.Brass mainly consists of copper base alloy goods and the processing waste material scrapped, and impure many, grade is low.The method that fine copper is prepared in the recovery of at present useless composition brass is mainly that useless composition brass is first cast to anode copper through pyrogenic attack, then electrorefining becomes electrolytic copper, technological process by melting, redox and casting form, the slag of output cupric approximately 25% in this process, this slag wants otherwise processed to reclaim copper wherein; And make fuel and reductive agent with heavy oil, useless composition brass founding becomes anode need to expend mass energy, also can cause environmental pollution, how to reduce costs, the useless composition brass of economic fast processing becomes a current problem.
Summary of the invention
The object of the invention is for above-mentioned deficiency of the prior art, provide that a kind of flow process is short, cost is low, the useless technology for recycling scrap copper method of less energy consumption.
The object of the invention is to be achieved through the following technical solutions:
A useless technology for recycling scrap copper method, specifically comprises the steps:
1, useless composition brass pre-treatment: the composition brass that will give up is processed into undersized bulk, sheet or powdery coarse fodder;
2, electrorefining: the coarse fodder of step 1 is put into graphite anode cell, make negative electrode with pure copper flakiness, using the mixed liquid of sulfuric acid and copper sulfate as electrolytic solution, carry out electrorefining.
The concrete structure of described graphite anode cell comprises cell body and the graphite base plate of insulation, and the low plate of described graphite is layed in described cell body inner bottom part, and graphite cake or graphite plate are connected with electrolysis power is anodal; Described graphite base plate is graphite cake or the graphite plate that graphite is made.
The present invention has following outstanding beneficial effect:
1, useless technology for recycling scrap copper method of the present invention has adopted graphite base plate as electrolytic anode, and the composition brass that directly will give up is placed on graphite base plate and carries out electrorefining, has saved the operation of melting positive plate, has saved energy energy consumption, has reduced the processing cost of useless composition brass.
2, useless technology for recycling scrap copper method of the present invention not by-product containing copper ashes, can economize the treatment process again removing slag, thereby have advantages of less investment and processing costs cheap.
3, due to by-product cupric slag not, all useless composition brasses all enter electrowinning process, and the direct yield of the copper of useless technology for recycling scrap copper method of the present invention is up to more than 98%.
Accompanying drawing explanation
Fig. 1 is the structural representation of graphite anode cell in the present invention;
In figure, 1-cell body, 2-graphite plate, the 3-composition brass coarse fodder that gives up, 4-electrolytic solution, 5-electrolysis cathode.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Referring to Fig. 1, the cell body 1 use glass reinforced plastic of the graphite anode cell of electrorefining is made, and graphite plate 2 is located at the inner bottom part of cell body 1, and graphite plate 2 is connected with electrolysis power is anodal.
When electrorefining is processed useless composition brass, the composition brass that first will give up is processed into undersized bulk, sheet or powdery coarse fodder 3; Then coarse fodder 3 is put into the graphite plate 2 of graphite anode cell, with pure copper flakiness, made electrolysis cathode 5, using the mixed liquid of sulfuric acid and copper sulfate as electrolytic solution 4, carry out electrorefining.
Be more than preferred embodiment of the present invention, all changes of doing according to technical solution of the present invention, when the function producing does not exceed the scope of technical solution of the present invention, all belong to protection scope of the present invention.
Claims (4)
1. a useless technology for recycling scrap copper method, is characterized in that, specifically comprises the steps:
1) useless composition brass pre-treatment: the composition brass that will give up is processed into undersized bulk, sheet or powdery coarse fodder;
2) electrorefining: the coarse fodder of step 1 is put into graphite anode cell, make negative electrode with pure copper flakiness, using the mixed liquid of sulfuric acid and copper sulfate as electrolytic solution, carry out electrorefining.
2. useless technology for recycling scrap copper method according to claim 1, it is characterized in that, described graphite anode cell comprises cell body and the graphite base plate of insulation, and described graphite base plate paving is in described cell body inner bottom part, and graphite base plate is connected with electrolysis power is anodal.
3. useless technology for recycling scrap copper method according to claim 2, is characterized in that, described cell body is made by glass reinforced plastic.
4. useless technology for recycling scrap copper method according to claim 2, is characterized in that, described graphite base plate is graphite cake or the graphite plate that graphite is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410496708.0A CN104195592A (en) | 2014-09-25 | 2014-09-25 | Waste scrap copper recovery process method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410496708.0A CN104195592A (en) | 2014-09-25 | 2014-09-25 | Waste scrap copper recovery process method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104195592A true CN104195592A (en) | 2014-12-10 |
Family
ID=52080951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410496708.0A Pending CN104195592A (en) | 2014-09-25 | 2014-09-25 | Waste scrap copper recovery process method |
Country Status (1)
| Country | Link |
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| CN (1) | CN104195592A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197171A (en) * | 2020-02-18 | 2020-05-26 | 华建彬 | Wet copper extraction process |
| CN114085998A (en) * | 2021-11-17 | 2022-02-25 | 江苏荣麒循环科技有限公司 | Scrap copper refining equipment for recycling mobile phone chip and refining method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104265A (en) * | 1993-12-24 | 1995-06-28 | 化学工业部天津化工研究院 | Suspension electrolyte technology for copper mine |
| CN101538722A (en) * | 2009-04-10 | 2009-09-23 | 天津大学 | Device for recovering copper in old electronic printed circuit board and method |
-
2014
- 2014-09-25 CN CN201410496708.0A patent/CN104195592A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104265A (en) * | 1993-12-24 | 1995-06-28 | 化学工业部天津化工研究院 | Suspension electrolyte technology for copper mine |
| CN101538722A (en) * | 2009-04-10 | 2009-09-23 | 天津大学 | Device for recovering copper in old electronic printed circuit board and method |
Non-Patent Citations (2)
| Title |
|---|
| M.FIGUEROA: "Direct electrorefining of copper scrap using a titanium anode-support system in a monopolar cell", 《JOURNAL OF APPLIED ELECTROCHEMISTRY》, vol. 24, no. 3, 31 December 1994 (1994-12-31) * |
| 王冲: "废杂铜回收利用工艺技术现状及展望", 《再生资源与循环经济》, vol. 4, no. 8, 27 August 2011 (2011-08-27) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197171A (en) * | 2020-02-18 | 2020-05-26 | 华建彬 | Wet copper extraction process |
| CN114085998A (en) * | 2021-11-17 | 2022-02-25 | 江苏荣麒循环科技有限公司 | Scrap copper refining equipment for recycling mobile phone chip and refining method thereof |
| CN114085998B (en) * | 2021-11-17 | 2023-02-28 | 江苏荣麒循环科技有限公司 | Scrap copper refining equipment for recycling mobile phone chip and refining method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141210 |