CN108893608A - A kind of refinement method improving indium recovery - Google Patents
A kind of refinement method improving indium recovery Download PDFInfo
- Publication number
- CN108893608A CN108893608A CN201810535414.2A CN201810535414A CN108893608A CN 108893608 A CN108893608 A CN 108893608A CN 201810535414 A CN201810535414 A CN 201810535414A CN 108893608 A CN108893608 A CN 108893608A
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- China
- Prior art keywords
- indium
- stainless steel
- carbon dust
- hole
- slag
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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
-
- 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
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
-
- 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
- C22B58/00—Obtaining gallium or indium
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention is to improve the refinement method of indium recovery, is included the following steps:Prepare stainless steel drum, drills in stainless steel drum bottom outer；The hole of stainless steel drum bottom is blocked；It will be put into stainless steel drum after the weighing of indium slag；It is put into drum after carbon dust is weighed, the quality of carbon dust is the 2% of indium slag amount, and carbon dust and indium slag are sufficiently stirred；Heating when indium slag is in liquid, then is put into drum after carbon dust is weighed, and the quality of carbon dust is the 2% of indium slag amount, and is sufficiently stirred, and is spilled into proper amount of clear water after mixing evenly, and cover stainless steel bung immediately；After continuous heating, the hole of stainless steel drum bottom is unsealed, melt and dissolved indium liquid is discharged from small hole at bottom part, carries out first time collection；After indium liquid stream is net, continues to heat, temperature is improved, carbon dust has sufficiently been reacted, melt and dissolved indium liquid is discharged from small hole at bottom part, carries out second and collects.Operation of the present invention is simple, does not use chemicals, reduces environmental pollution, rate of recovery height.
Description
Technical field
The present invention relates to material recovery fields, more particularly to a kind of refinement method for improving indium recovery.
Background technique
Indium is after pipe target is bonded use, under the aerobic environment of high temperature, high-frequency vibration and refinement by ultrasonic device,
It is easy to oxidize at indium oxide, oxygenation efficiency can be between 15%-25%, therefore how to carry out effectively recycling is exactly that company is energy saving
One major issue of environmental protection, while being also important factor in order of the company to environment.
Firstly, indium raw material is somewhat expensive, effective recovery indium ingot can be such that the production cost of company reduces, enhance company
The market competitiveness.
Secondly, process of the indium from original slag purification, needs to use the step of acidolysis, solvent extraction etc. are using chemicals,
Environmental pollution is easily caused in those steps.Therefore the indium slag generated in use process will be bonded and carry out effectively purification recycling,
It is also advantageous that a key factor of environmental protection, while being also that company has now one that environmental goals is promised to undertake.
Summary of the invention
The object of the present invention is to provide a kind of refinement methods for improving indium recovery, avoid using all kinds of chemicals, effectively
It reduces environmental pollution.
The present invention is achieved through the following technical solutions above-mentioned purpose：A kind of refinement method improving indium recovery, including with
Lower step:
S1. prepare a diameter 290-310mm, the stainless steel drum of height about 340-360mm, in stainless steel drum bottom outer
The hole of a diameter 4-6mm is drilled out, hole periphery is polished, its Glabrous is pierced；
S2. the hole of stainless steel drum bottom is blocked；
S3. it will be put into stainless steel drum after the weighing of indium slag；
S4. it is put into drum after carbon dust being weighed, the quality of carbon dust is the 2% of indium slag amount, and carbon dust and indium slag are sufficiently stirred
It mixes；
S5. it is heated to 190-210 DEG C, when indium slag is in liquid, then is put into drum after carbon dust is weighed, the quality of carbon dust is indium
The 2% of slag amount, and be sufficiently stirred, it is spilled into proper amount of clear water after mixing evenly, and cover stainless steel bung immediately；
S6. after twenty minutes, the hole of stainless steel drum bottom is unsealed for continuous heating, and melt and dissolved indium liquid is discharged from small hole at bottom part,
Carry out first time collection；
S7. after indium liquid stream is net, continue to heat, temperature is increased to 310-330 DEG C, carbon dust has sufficiently been reacted, melt and dissolved indium
Liquid is discharged from small hole at bottom part, carries out second and collects.
Further, it is blocked in the step S2 using tinfoil and high temperature gummed tape device to hole.
Further, the quality of the indium slag is 8Kg.
Further, speed of agitator is 30-40rpm in the step S4.
Further, speed of agitator is 50-60rpm in the step S4.
Compared with prior art, the present invention, which improves the beneficial effect of the refinement method of indium recovery, is：It is easy to operate, do not make
With all kinds of chemicals, environmental pollution, rate of recovery height are effectively reduced.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of stainless steel drum in the embodiment of the present invention.
Specific embodiment
Please refer to Fig. 1.
Embodiment 1
A kind of refinement method improving indium recovery, includes the following steps:
S1. prepare a diameter 290mm, the stainless steel drum of height about 340 drills out one directly in stainless steel drum bottom outer
The hole of diameter 4, hole periphery are polished, its Glabrous is pierced；
S2. the hole of stainless steel drum bottom is blocked, is blocked using tinfoil and high temperature gummed tape device to hole；
S3. it will be put into stainless steel drum after the weighing of indium slag, the quality of indium slag is 8Kg；
S4. be put into drum after carbon dust being weighed, the quality of carbon dust is 2%, i.e. 160g of indium slag amount, by carbon dust and indium slag into
Row is sufficiently stirred, speed of agitator 30rpm；
S5. 190 DEG C are heated to, when indium slag is in liquid, then is put into drum after carbon dust is weighed, the quality of carbon dust is indium slag
2%, i.e. 160g of amount, and be sufficiently stirred, speed of agitator 50rpm, it is spilled into proper amount of clear water after mixing evenly, and cover immediately
Upper stainless steel bung；
S6. after twenty minutes, the hole of stainless steel drum bottom is unsealed for continuous heating, and melt and dissolved indium liquid is discharged from small hole at bottom part,
Carry out first time collection；
S7. after indium liquid stream is net, continue to heat, temperature is increased to 310 DEG C, carbon dust has sufficiently been reacted, melt and dissolved indium liquid
It is discharged from small hole at bottom part, carries out second and collect, indium recovery reaches 96% after collecting twice.
Embodiment 2
A kind of refinement method improving indium recovery, includes the following steps:
S1. prepare a diameter 300mm, the stainless steel drum of height about 350mm drills out one in stainless steel drum bottom outer
The hole of a diameter 5mm, hole periphery are polished, its Glabrous is pierced；
S2. the hole of stainless steel drum bottom is blocked, is blocked using tinfoil and high temperature gummed tape device to hole；
S3. it will be put into stainless steel drum after the weighing of indium slag, the quality of indium slag is 8Kg；
S4. be put into drum after carbon dust being weighed, the quality of carbon dust is 2%, i.e. 160g of indium slag amount, by carbon dust and indium slag into
Row is sufficiently stirred, speed of agitator 35rpm；
S5. 200 DEG C are heated to, when indium slag is in liquid, then is put into drum after carbon dust is weighed, the quality of carbon dust is indium slag
2%, i.e. 160g of amount, and be sufficiently stirred, speed of agitator 55rpm, it is spilled into proper amount of clear water after mixing evenly, and cover immediately
Upper stainless steel bung；
S6. after twenty minutes, the hole of stainless steel drum bottom is unsealed for continuous heating, and melt and dissolved indium liquid is discharged from small hole at bottom part,
Carry out first time collection；
S7. after indium liquid stream is net, continue to heat, temperature is increased to 320 DEG C, carbon dust has sufficiently been reacted, melt and dissolved indium liquid
It is discharged from small hole at bottom part, carries out second and collect, indium recovery reaches 97% after collecting twice.
Embodiment 3
A kind of refinement method improving indium recovery, includes the following steps:
S1. prepare a diameter 310mm, the stainless steel drum of height about 360mm drills out one in stainless steel drum bottom outer
The hole of diameter 6mm, hole periphery are polished, its Glabrous is pierced；
S2. the hole of stainless steel drum bottom is blocked, is blocked using tinfoil and high temperature gummed tape device to hole；
S3. it will be put into stainless steel drum after the weighing of indium slag, the quality of indium slag is 8Kg；
S4. be put into drum after carbon dust being weighed, the quality of carbon dust is 2%, i.e. 160g of indium slag amount, by carbon dust and indium slag into
Row is sufficiently stirred, speed of agitator 40rpm；
S5. 210 DEG C are heated to, when indium slag is in liquid, then is put into drum after carbon dust is weighed, the quality of carbon dust is indium slag
2%, i.e. 160g of amount, and be sufficiently stirred, speed of agitator 60rpm, it is spilled into proper amount of clear water after mixing evenly, and cover immediately
Upper stainless steel bung；
S6. after twenty minutes, the hole of stainless steel drum bottom is unsealed for continuous heating, and melt and dissolved indium liquid is discharged from small hole at bottom part,
Carry out first time collection；
S7. after indium liquid stream is net, continue to heat, temperature is increased to 330 DEG C, carbon dust has sufficiently been reacted, melt and dissolved indium liquid
It is discharged from small hole at bottom part, carries out second and collect, indium recovery reaches 95% after collecting twice.
Comparative example 1
A kind of refinement method improving indium recovery, is not added carbon dust, other steps are same as Example 1 in the process.
Comparative example 2
A kind of refinement method improving indium recovery, is not added carbon dust, other steps are same as Example 2 in the process
Comparative example 3
A kind of refinement method improving indium recovery, is not added carbon dust, other steps are same as Example 3 in the process
Refinement method the properties test such as following table of 1-3 of the embodiment of the present invention and comparative example 1-3：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 | |
| Indium recovery | 95% | 97% | 96% | 89% | 91% | 90% |
The refinement method that the present invention improves indium recovery is easy to operate, does not use all kinds of chemicals, effectively reduces environmental pollution, returns
High income.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of refinement method for improving indium recovery, it is characterised in that：Include the following steps:
S1. prepare a diameter 290-310mm, the stainless steel drum of height about 340-360mm, in stainless steel drum bottom outer
The hole of a diameter 4-6mm is drilled out, hole periphery is polished, its Glabrous is pierced；
S2. the hole of stainless steel drum bottom is blocked；
S3. it will be put into stainless steel drum after the weighing of indium slag；
S4. it is put into drum after carbon dust being weighed, the quality of carbon dust is the 2% of indium slag amount, and carbon dust and indium slag are sufficiently stirred
It mixes；
S5. it is heated to 190-210 DEG C, when indium slag is in liquid, then is put into drum after carbon dust is weighed, the quality of carbon dust is indium
The 2% of slag amount, and be sufficiently stirred, it is spilled into proper amount of clear water after mixing evenly, and cover stainless steel bung immediately；
S6. after twenty minutes, the hole of stainless steel drum bottom is unsealed for continuous heating, and melt and dissolved indium liquid is discharged from small hole at bottom part,
Carry out first time collection；
S7. after indium liquid stream is net, continue to heat, temperature is increased to 310-330 DEG C, carbon dust has sufficiently been reacted, melt and dissolved indium
Liquid is discharged from small hole at bottom part, carries out second and collects.
2. the refinement method according to claim 1 for improving indium recovery, it is characterised in that：Tin is used in the step S2
Paper and high temperature gummed tape device to hole are blocked.
3. the refinement method according to claim 1 for improving indium recovery, it is characterised in that：The quality of the indium slag is
8Kg。
4. the refinement method according to claim 1 for improving indium recovery, it is characterised in that：Stirring turns in the step S4
Speed is 30-40rpm.
5. the refinement method according to claim 1 for improving indium recovery, it is characterised in that：Stirring turns in the step S4
Speed is 50-60rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810535414.2A CN108893608B (en) | 2018-05-30 | 2018-05-30 | Refining method for improving indium recovery rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810535414.2A CN108893608B (en) | 2018-05-30 | 2018-05-30 | Refining method for improving indium recovery rate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108893608A true CN108893608A (en) | 2018-11-27 |
| CN108893608B CN108893608B (en) | 2019-12-20 |
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ID=64343521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810535414.2A Active CN108893608B (en) | 2018-05-30 | 2018-05-30 | Refining method for improving indium recovery rate |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05311267A (en) * | 1991-12-16 | 1993-11-22 | Nikko Kinzoku Kk | Method for recovering indium from indium-containing matter |
| CN101812603A (en) * | 2009-12-29 | 2010-08-25 | 株洲冶炼集团股份有限公司 | Method for improving indium grade of enriched indium slag |
| CN104212983A (en) * | 2014-09-18 | 2014-12-17 | 株洲科能新材料有限责任公司 | Method for recovering indium from waste LCDs |
| CN106834755A (en) * | 2016-12-28 | 2017-06-13 | 呼伦贝尔驰宏矿业有限公司 | A kind of technique of the concentration and separation of oxygen leaching liquid containing indium indium |
| CN207119174U (en) * | 2017-04-28 | 2018-03-20 | 芜湖映日科技有限公司 | Refine the frock of indium slag |
-
2018
- 2018-05-30 CN CN201810535414.2A patent/CN108893608B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05311267A (en) * | 1991-12-16 | 1993-11-22 | Nikko Kinzoku Kk | Method for recovering indium from indium-containing matter |
| CN101812603A (en) * | 2009-12-29 | 2010-08-25 | 株洲冶炼集团股份有限公司 | Method for improving indium grade of enriched indium slag |
| CN104212983A (en) * | 2014-09-18 | 2014-12-17 | 株洲科能新材料有限责任公司 | Method for recovering indium from waste LCDs |
| CN106834755A (en) * | 2016-12-28 | 2017-06-13 | 呼伦贝尔驰宏矿业有限公司 | A kind of technique of the concentration and separation of oxygen leaching liquid containing indium indium |
| CN207119174U (en) * | 2017-04-28 | 2018-03-20 | 芜湖映日科技有限公司 | Refine the frock of indium slag |
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| Publication number | Publication date |
|---|---|
| CN108893608B (en) | 2019-12-20 |
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