CN202519343U - System for recovering copper from waste circuit board - Google Patents
System for recovering copper from waste circuit board Download PDFInfo
- Publication number
- CN202519343U CN202519343U CN2012200744268U CN201220074426U CN202519343U CN 202519343 U CN202519343 U CN 202519343U CN 2012200744268 U CN2012200744268 U CN 2012200744268U CN 201220074426 U CN201220074426 U CN 201220074426U CN 202519343 U CN202519343 U CN 202519343U
- Authority
- CN
- China
- Prior art keywords
- fluidized bed
- reactor drum
- tank
- bio reactor
- bed bio
- 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.)
- Expired - Fee Related
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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
Abstract
The utility model relates to a system for recovering copper from a waste circuit board. The system comprises a fluidized bed bioreactor, wherein a liquid outlet is formed on the upper part of one side of the fluidized bed bioreactor; a reflux port is formed at the bottom of the fluidized bed bioreactor; a bacterium return port is formed on the other side of the fluidized bed bioreactor; a precipitation tank is arranged on the right side of the fluidized bed bioreactor; an electrolytic tank is arranged on the right side of the precipitation tank; a liquid return tank is arranged on the right side of the electrolytic tank; a liquid return port is formed on one side of the liquid return tank; a constant temperature water tank is arranged on the left side of the fluidized bed bioreactor; a heat circulating pipe is arranged on the lower part of the constant temperature water tank and inserted into the lower part of the fluidized bed bioreactor; a first filter screen is arranged on one side of the precipitation tank; a first sewage draining outlet is formed at the bottom of the precipitation tank; a second filter screen is arranged on one side of the electrolytic tank; and a second sewage draining outlet is formed at the bottom of the electrolytic tank. By the system, the aim of recycling bacterial liquid is fulfilled, one-section and two-section treatment modes are avoided, working efficiency is improved, and the loss of the bacterial liquid is reduced.
Description
Technical field
The utility model relates to metal recovery field in the discarded circuit board, copper recovery system in particularly a kind of discarded circuit board.
Background technology:
The method of handling old circuit board at present mainly contains following several kinds: pyrometallurgy, hydrometallurgy, mechanical treatment process, microbial method.Pyrometallurgy and hydrometallurgy are mainly used in Rare Metals such as gold and silver, and cost is high, and secondary pollution is serious, and is particularly impracticable to the recovery of plain metal.Though mechanical sorting technology cost is relatively low with pyrometallurgy, hydrometallurgy, and secondary pollution is little,, owing to being difficult to make the metal monomer to dissociate fully, cause the metal purity and the recovery not high with Mechanical Crushing.So the mechanical sorting method should be used with other method as supplementary means.The mikrobe hydrometallurgy have pollution less, gentle, the advantages such as flow process is short, cost is low, less investment of working conditions; And in the application of mining metallurgical engineering, have the wide characteristics of mineral suitability, in the middle of the recovery in the unmanageable complicated ore of conventional art, low taste table Tu Kuang, discarded ore deposit etc., have special advantages.But existing can not processed continuously deadly defect, generally adopts one-part form and two-section type facture.
Summary of the invention:
The technical problem that the utility model solves provides copper recovery system in a kind of discarded circuit board.
It is copper recovery system in a kind of discarded circuit board that the utility model solves the technical scheme that its technical problem adopted, and comprises the fluidized bed bio reactor drum, and said fluidized bed bio reactor drum one upper lateral part is provided with liquid outlet; Said fluidized bed bio reactor bottom is provided with refluxing opening, and said fluidized bed bio reactor drum opposite side is provided with back the bacterium mouth, and said fluidized bed bio reactor drum right side is provided with settling bath; Said settling bath right side is provided with electrolyzer; Said electrolyzer right side is provided with liquid return trough, and said liquid return trough one side is provided with liquid return hole, and said fluidized bed bio reactor drum left side is provided with constant temperature water tank; Said constant temperature water tank bottom is provided with heat circulation pipe; Said heat circulation pipe assigns into fluidized bed bio reactor drum below, and said settling bath one side is provided with first filter screen, and said settling bath bottom is provided with first sewage draining exit; Said electrolyzer one side is provided with second filter screen, and described bottom of electrolytic tank is provided with second sewage draining exit.
After adopting said structure, be characterized in: after old circuit board was dropped into the fluidized bed bio reactor drum and produces reaction with built-in thiobacillus ferrooxidant, cupric bacterium liquid flowed out the entering settling bath through liquid outlet; Through first filter screen byproduct particles in the bacterium liquid is removed, bacterium liquid gets into electrolyzer then, electrochemical reaction takes place in electrolyzer separate the copper particle; Bacterium liquid continues to get into liquid return trough through second filter screen then; Be back to the fluidized bed bio reactor drum from liquid return trough, reach the purpose of bacterium liquid recycle, thoroughly broken away from the original one-part form and the tupe of two-part; Improve working efficiency, reduced the bacterium liquid consume that takes place in process of production.
Description of drawings:
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the structural representation of the utility model.
Among the figure: 1. fluidized bed bio reactor drum, 2. liquid outlet, 3. 4. times bacterium mouths of refluxing opening, 5. settling bath, 6. electrolyzer, 7. liquid return trough, 8. liquid return hole, 9. constant temperature water tank, 10. heat circulation pipe, 11. first filter screens, 12. first sewage draining exits, 13. second filter screens, 14. second sewage draining exits
Embodiment:
Copper recovery system in a kind of discarded circuit board as shown in Figure 1 comprises fluidized bed bio reactor drum 1, and said fluidized bed bio reactor drum 1 one upper lateral parts are provided with liquid outlet 2; Said fluidized bed bio reactor drum 1 bottom is provided with refluxing opening 3, and said fluidized bed bio reactor drum 1 opposite side is provided with back bacterium mouth 4, and said fluidized bed bio reactor drum 1 right side is provided with settling bath 5; Said settling bath 5 right sides are provided with electrolyzer 6; Said electrolyzer 6 right sides are provided with liquid return trough 7, and said liquid return trough 7 one sides are provided with liquid return hole 8, and said fluidized bed bio reactor drum 1 left side is provided with constant temperature water tank 9; Said constant temperature water tank 9 bottoms are provided with heat circulation pipe 10; Said heat circulation pipe 10 assigns into fluidized bed bio reactor drum 1 below, and said settling bath 5 one sides are provided with first filter screen 11, and said settling bath 5 bottoms are provided with first sewage draining exit 12; Said electrolyzer 6 one sides are provided with second filter screen 13, and described electrolyzer 6 bottoms are provided with second sewage draining exit 14.
After adopting said structure, its beneficial effect is: after old circuit board drops into fluidized bed bio reactor drum 1, produce reaction with built-in thiobacillus ferrooxidant, produce cupric bacterium liquid; Cupric bacterium liquid flows out through liquid outlet 2 and gets into settling bath 5, through first filter screen 11 byproduct particles in the bacterium liquid is removed, and the band particle bacterium liquid of post precipitation is discharged through first sewage draining exit 12; Get into fluidized bed bio reactor drum 1 through refluxing opening 3; Cupric bacterium liquid after the removal byproduct particles continues to get into electrolyzer 6, electrochemical reaction takes place in electrolyzer 6 separate the copper particle, and the mikrobe that produces when copper particle and electrolysis passes through second sewage draining exit 14 and discharges; Get into fluidized bed bio reactor drum 1 through refluxing opening 3; Bacterium liquid continues to pass through second filter screen 13 and filters back entering liquid return troughs 7, flows out from liquid return trough 7 through liquid return hole 8, and passes through back bacterium mouth 4 entering fluidized bed bio reactor drums 1; Constant temperature water tank 9 heats to fluidized bed bio reactor drum 1 through heat circulation pipe 10 during this time; To guarantee the activity of thiobacillus ferrooxidant, whole system has reached the purpose of bacterium liquid recycle, has thoroughly broken away from the original one-part form and the tupe of two-part; Improve working efficiency, reduced the bacterium liquid consume that takes place in process of production.
Claims (3)
1. copper recovery system in the discarded circuit board; Comprise fluidized bed bio reactor drum (1), said fluidized bed bio reactor drum (1) one upper lateral part is provided with liquid outlet (2), and said fluidized bed bio reactor drum (1) bottom is provided with refluxing opening (3); Said fluidized bed bio reactor drum (1) opposite side is provided with back bacterium mouth (4); Said fluidized bed bio reactor drum (1) right side is provided with settling bath (5), and said settling bath (5) right side is provided with electrolyzer (6), and said electrolyzer (6) right side is provided with liquid return trough (7); Said liquid return trough (7) one sides are provided with liquid return hole (8); Said fluidized bed bio reactor drum (1) left side is provided with constant temperature water tank (9), and said constant temperature water tank (9) bottom is provided with heat circulation pipe (10), and said heat circulation pipe (10) assigns into fluidized bed bio reactor drum (1) below.
2. copper recovery system in a kind of discarded circuit board according to claim 1 is characterized in that: said settling bath (5) one sides are provided with first filter screen (11), and said settling bath (5) bottom is provided with first sewage draining exit (12).
3. copper recovery system in a kind of discarded circuit board according to claim 1 is characterized in that: said electrolyzer (6) one sides are provided with second filter screen (13), and described electrolyzer (6) bottom is provided with second sewage draining exit (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200744268U CN202519343U (en) | 2012-03-02 | 2012-03-02 | System for recovering copper from waste circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200744268U CN202519343U (en) | 2012-03-02 | 2012-03-02 | System for recovering copper from waste circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202519343U true CN202519343U (en) | 2012-11-07 |
Family
ID=47102303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200744268U Expired - Fee Related CN202519343U (en) | 2012-03-02 | 2012-03-02 | System for recovering copper from waste circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202519343U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104232903A (en) * | 2014-09-15 | 2014-12-24 | 上海第二工业大学 | Equipment and method for recycling surface zero-valent copper in gantry hanging frame |
| CN106311442A (en) * | 2016-09-19 | 2017-01-11 | 华南理工大学 | Fluidization sorting method of electronic wastes |
| CN107746959A (en) * | 2017-11-17 | 2018-03-02 | 中山大学 | A kind of two step bioleaching process and device of total head recovery valuable metals in waste circuit board |
| CN110016553A (en) * | 2019-02-21 | 2019-07-16 | 张伟晓 | A kind of hot-pressure oxidation leaching system and technique |
| WO2022162252A1 (en) | 2021-01-28 | 2022-08-04 | Universitat Politecnica De Catalunya | Method for biological recovery of metals from electrical and electronic waste |
-
2012
- 2012-03-02 CN CN2012200744268U patent/CN202519343U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104232903A (en) * | 2014-09-15 | 2014-12-24 | 上海第二工业大学 | Equipment and method for recycling surface zero-valent copper in gantry hanging frame |
| CN106311442A (en) * | 2016-09-19 | 2017-01-11 | 华南理工大学 | Fluidization sorting method of electronic wastes |
| CN107746959A (en) * | 2017-11-17 | 2018-03-02 | 中山大学 | A kind of two step bioleaching process and device of total head recovery valuable metals in waste circuit board |
| CN107746959B (en) * | 2017-11-17 | 2019-01-11 | 中山大学 | A kind of two step bioleaching process and device of total head recycling valuable metals in waste circuit board |
| CN110016553A (en) * | 2019-02-21 | 2019-07-16 | 张伟晓 | A kind of hot-pressure oxidation leaching system and technique |
| CN110016553B (en) * | 2019-02-21 | 2020-09-08 | 张伟晓 | Hot-pressing oxidation leaching system and process |
| WO2022162252A1 (en) | 2021-01-28 | 2022-08-04 | Universitat Politecnica De Catalunya | Method for biological recovery of metals from electrical and electronic waste |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20160302 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |