CN103331206A - Mineral processing method and mineral processing system for improving recovery rate of tungsten in tungsten fine slime - Google Patents
Mineral processing method and mineral processing system for improving recovery rate of tungsten in tungsten fine slime Download PDFInfo
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- CN103331206A CN103331206A CN2013102631846A CN201310263184A CN103331206A CN 103331206 A CN103331206 A CN 103331206A CN 2013102631846 A CN2013102631846 A CN 2013102631846A CN 201310263184 A CN201310263184 A CN 201310263184A CN 103331206 A CN103331206 A CN 103331206A
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- Prior art keywords
- tungsten
- ore
- mineral
- gravity treatment
- flotation
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 229910052721 tungsten Inorganic materials 0.000 title claims abstract description 99
- 239000010937 tungsten Substances 0.000 title claims abstract description 99
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 40
- 239000011707 mineral Substances 0.000 title claims abstract description 40
- 238000011084 recovery Methods 0.000 title claims abstract description 28
- 238000003672 processing method Methods 0.000 title abstract 5
- 230000005484 gravity Effects 0.000 claims abstract description 33
- 238000005188 flotation Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 239000012141 concentrate Substances 0.000 claims abstract description 17
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003814 drug Substances 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 10
- 238000007667 floating Methods 0.000 claims abstract description 7
- 239000002270 dispersing agent Substances 0.000 claims abstract description 6
- 239000002002 slurry Substances 0.000 claims description 41
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 6
- 239000005864 Sulphur Substances 0.000 claims description 6
- 238000004513 sizing Methods 0.000 claims description 6
- TUZCOAQWCRRVIP-UHFFFAOYSA-N butoxymethanedithioic acid Chemical compound CCCCOC(S)=S TUZCOAQWCRRVIP-UHFFFAOYSA-N 0.000 claims description 5
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 5
- 238000010926 purge Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005054 agglomeration Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000008394 flocculating agent Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention discloses a mineral processing method for improving the recovery rate of tungsten in tungsten fine slime. The mineral processing method is suitable for regrading reselected and recycled tungsten fine slime tailings, wherein the fineness of the tungsten fine slime is less than 0.1mm. The mineral processing method is characterized by comprising the following steps: concentrating and floating the reselected tungsten fine slime tailings; recovering sulphide ore; adding proper medicament into the flotation tailings; stirring and mixing size to agglomerate; firstly adding a dispersing agent, so as to lead various mineral grains in ore pulp to be uniformly distributed; adding proper collecting agent which acts and is attached on the surface of a fine-grained tungsten mineral; and finally adding specific flocculating agent; preferentially catching collecting agent molecules, and meanwhile, leading the fine-grained tungsten mineral to be agglomerated into an easily selected large particle mineral, and leading other gangue minerals not to form agglomeration; increasing the specific gravity difference of the large particle mineral; and grading the stirred ore pulp by adopting proper methods such as reselection and the like, so as to obtain tungsten concentrate. With the adoption of the mineral processing method for improving the recovery rate of the tungsten in the tungsten fine slime, the fine-grained tungsten mineral particles can be agglomerated into large particles, and the weight difference of the fine-grained tungsten mineral particles and the gangue minerals is increased, thus being beneficial for comprehensive recovery of the tungsten fine slime, and improving the recovery rate of the tungsten.
Description
Technical field
The present invention relates to a kind of beneficiation method and a kind of ore-sorting system that improves tungsten recovery rate in the tungsten slurry that improves tungsten recovery rate in the tungsten slurry, belong to the technique of preparing field.
Background technology
At present, some tungsten select the thin mud rate of recovery of factory low, only are 15%-30%, and tungstenic is higher in its mine tailing, WO
3The about 0.1%-0.2% of grade.
Reclaim at tungsten slurry, present main method is flotation and shaking table or centrifuge gravity treatment, but because tungsten mineral granularity thin (being generally less than 0.03mm) wherein, effect is unsatisfactory.
Summary of the invention
An object of the present invention is to provide a kind of beneficiation method that improves tungsten recovery rate in the tungsten slurry, it can solve because the valuable mineral granularity is meticulous and cause tungsten slurry comprehensively to reclaim difficulty, the problem that tungsten recovery rate is lower.
Another object of the present invention provides a kind of ore-sorting system that improves tungsten recovery rate in the tungsten slurry, it can make fine fraction tungsten ore grain reunite is bulky grain, increase the weight difference of itself and gangue mineral, thereby be conducive to the comprehensive recovery of tungsten slurry, improve the rate of recovery of tungsten.
For this reason, according to an aspect of the present invention, provide a kind of beneficiation method that improves tungsten recovery rate in the tungsten slurry, the tungsten slurry spoil reclaming that is applicable to the gravity treatment recovery is other, and the tungsten slurry fineness is characterized in that less than 0.1mm, gravity treatment tungsten slurry mine tailing is concentrated, and sulphide ore is reclaimed in flotation; Flotation tailing add to be fit to medicament and to stir reunions of sizing mixing, and at first, the adding dispersant makes that various ore particles distribute more even in the ore pulp in ore pulp; Then, add the collecting agent that is fit to, its effect also is adsorbed in fine fraction tungsten mineral surface; At last, add specific flocculant, preferentially catch the collecting agent molecule, the bulky grain mineral that make the fine fraction tungsten mineral reunite and select for easily simultaneously, and other gangue minerals do not form poly-group, increase its difference of specific gravity; And the ore pulp after stirring adopts appropriate methodology such as gravity treatment to sort, to obtain tungsten concentrate.
Preferably, the tungsten slurry mine tailing is concentrated into 15%-25%, preferred 15-20%.
Preferably, gravity treatment tungsten slurry mine tailing adopts concentrator (as concentrator) to concentrate, and pumps into agitator, feeds floatation equipment again.
Preferably, add butyl xanthate 150-200g/t, 2# oil 60g/t goes through one roughing, once purging selection, primary cleaning flotation, reclaims sulphide ore.
Preferably, flotation tailing pumps into or flows into agitator certainly, and adds calgon 2kg/t, No. 3 collecting agent 50g/t, G type flocculant 10g/t successively, stirs the 6-10 branch.
Preferably, after the stirring, ore pulp feeds centrifugal ore separator, carries out gravity treatment, gets tungsten concentrate.
According to another aspect of the present invention, a kind of ore-sorting system that improves tungsten recovery rate in the tungsten slurry is provided, the tungsten slurry spoil reclaming that is applicable to the gravity treatment recovery is other, the tungsten slurry fineness is less than 0.1mm, it is characterized in that this system comprises successively: the device of the concentrator of gravity treatment tungsten slurry mine tailing, flotation unit, recovery sulphide ore, add the device of the reunion medicament of sizing mixing and agitating device and the ore pulp after stirring is carried out the equipment that gravity treatment sorts to obtain tungsten concentrate to flotation tailing.
Preferably, the concentrator of described gravity treatment tungsten slurry mine tailing is concentrator.
Preferably, the described device that adds the reunion medicament of sizing mixing to flotation tailing comprises adding and makes distributes in ore pulp device, the adding effect of dispersant more uniformly and the device and adding that is adsorbed in the collecting agent on fine fraction tungsten mineral surface of various ore particles in the ore pulp catch the collecting agent molecule and the fine fraction tungsten mineral is reunited do not form the device of poly-flocculant for bulky grain mineral and other gangue minerals.
Preferably, also comprise: make the tungsten slurry mine tailing be concentrated into the control device of 15%-25% or 15-20%; Be arranged at pump and agitator between concentrator and the flotation unit; Be used for reclaiming butyl xanthate dispenser and 150-200g/t dosage controller and 2# oil dispenser and the 60g/t dosage controller of sulphide ore; Floating sulphur is roughly selected device, floating sulphur is scanned device, floating sulphur selecting device; Flotation tailing pump and agitator, adding calgon dispenser and 2kg/t dosage controller, No. 3 collecting agent dispensers and 50g/t dosage controller, G type flocculant dispenser and 10g/t dosage controller; Stir 6-10 minute time controller; And/or be used for obtaining tungsten concentrate and the centrifugal ore separator of ore pulp gravity treatment.
According to the present invention, fine fraction tungsten ore grain is reunited be bulky grain, increase the weight difference of itself and gangue mineral, thereby make it be conducive to gravity treatment more.
By evidence, the present invention can improve WO in the thin mud mine tailing
3Rate of recovery 10%-20%.
Description of drawings
Fig. 1 is the flow chart that reclaims the novel beneficiation method of tungsten according to tungsten slurry of the present invention.
Fig. 2 is the equipment contact figure according to novel beneficiation method of the present invention.
The specific embodiment
Shown in Fig. 1-2, the beneficiation method that tungsten slurry of the present invention reclaims tungsten comprises the following steps: the gravity treatment tungsten slurry at least, is concentrated into C=15-20%, sulphide ore is reclaimed in flotation, add medicament stirs reunion, gravity treatment, tungsten concentrate.One of them embodiment is as follows:
A. adopt concentrator (as concentrator) to be concentrated into 15%-25% gravity treatment tungsten slurry mine tailing, pump into agitator, feed floatation equipment again, and adding butyl xanthate 150-200g/t, 2# oil 60g/t goes through one roughing, once purging selection, primary cleaning flotation, reclaims sulphide ore.
B. flotation tailing pumps into or flows into agitator certainly, and adds calgon 2kg/t, No. 3 collecting agent 50g/t, G type flocculant 10g/t successively, stirs the 6-10 branch.
C. after stirring, ore pulp feeds centrifugal ore separator, carries out gravity treatment, gets tungsten concentrate.
Laboratory's small-scale test example
Get the tungsten slurry primary sample, WO
3Grade 0.23%.
Adopt traditional process, go through table concentration, one roughing, once purging selection, get tungsten concentrate WO
3Grade 15.6%, the rate of recovery 54%.
Adopt flow process of the present invention, get tungsten concentrate WO
3Grade 15.7%, the rate of recovery is increased to 76%.
According to the present invention, tungsten slurry is concentrated the back flotation reclaim sulphide ore.Flotation tailing adds and is fit to the medicament stirring.Stir the back ore pulp adopt appropriate methodology such as gravity treatment sort tungsten concentrate.The present invention is applicable to that the tungsten slurry spoil reclaming of gravity treatment recovery is other, and the tungsten slurry fineness is less than 0.1mm.
According to the present invention, the tungsten slurry mine tailing adds specific medicament and sizes mixing after adopting flotation comprehensively to reclaim sulphide ore.At first, add dispersant, make that various ore particles distribute more even in the ore pulp in ore pulp.Then, add the collecting agent that is fit to, its effect also is adsorbed in fine fraction tungsten mineral surface.At last, add specific flocculant, preferentially catch the collecting agent molecule, the fine fraction tungsten mineral is reunited be the easy bulky grain mineral of choosing, and other gangue minerals do not form poly-group, increase its difference of specific gravity, adopt then gravity treatment sort tungsten concentrate.Solution is difficult to the problem of sorting because of what fine fraction tungsten and gangue mineral similar weight were brought.
Claims (10)
1. a beneficiation method that improves tungsten recovery rate in the tungsten slurry is applicable to that the tungsten slurry spoil reclaming of gravity treatment recovery is other, and the tungsten slurry fineness is characterized in that less than 0.1mm, and gravity treatment tungsten slurry mine tailing is concentrated, and sulphide ore is reclaimed in flotation; Flotation tailing add to be fit to medicament and to stir reunions of sizing mixing, and at first, the adding dispersant makes that various ore particles distribute more even in the ore pulp in ore pulp; Then, add the collecting agent that is fit to, its effect also is adsorbed in fine fraction tungsten mineral surface; At last, add specific flocculant, preferentially catch the collecting agent molecule, the bulky grain mineral that make the fine fraction tungsten mineral reunite and select for easily simultaneously, and other gangue minerals do not form poly-group, increase its difference of specific gravity; And the ore pulp after stirring adopts appropriate methodology such as gravity treatment to sort, to obtain tungsten concentrate.
2. beneficiation method as claimed in claim 1 is characterized in that, the tungsten slurry mine tailing is concentrated into 15%-25%, preferred 15-20%.
3. beneficiation method as claimed in claim 1 is characterized in that, gravity treatment tungsten slurry mine tailing adopts concentrator (as concentrator) to concentrate, and pumps into agitator, feeds floatation equipment again.
4. beneficiation method as claimed in claim 1 is characterized in that, adds butyl xanthate 150-200g/t, and 2# oil 60g/t goes through one roughing, once purging selection, primary cleaning flotation, reclaims sulphide ore.
5. beneficiation method as claimed in claim 1 is characterized in that, flotation tailing pumps into or flows into agitator certainly, and adds calgon 2kg/t, No. 3 collecting agent 50g/t, G type flocculant 10g/t successively, stirs the 6-10 branch.
6. beneficiation method as claimed in claim 1 is characterized in that, after the stirring, ore pulp feeds centrifugal ore separator, carries out gravity treatment, gets tungsten concentrate.
7. ore-sorting system that improves tungsten recovery rate in the tungsten slurry, the tungsten slurry spoil reclaming that is applicable to the gravity treatment recovery is other, the tungsten slurry fineness is less than 0.1mm, it is characterized in that this system comprises successively: the device of the concentrator of gravity treatment tungsten slurry mine tailing, flotation unit, recovery sulphide ore, add the device of the reunion medicament of sizing mixing and agitating device and the ore pulp after stirring is carried out the equipment that gravity treatment sorts to obtain tungsten concentrate to flotation tailing.
8. ore-sorting system as claimed in claim 7 is characterized in that, the concentrator of described gravity treatment tungsten slurry mine tailing is concentrator.
9. ore-sorting system as claimed in claim 7, it is characterized in that the described device that adds the reunion medicament of sizing mixing to flotation tailing comprises adding makes distributes device, the adding effect of dispersant more uniformly and the device and adding that is adsorbed in the collecting agent on fine fraction tungsten mineral surface of various ore particles in the ore pulp catch the collecting agent molecule and the fine fraction tungsten mineral is reunited do not form the device of poly-flocculant for bulky grain mineral and other gangue minerals in ore pulp.
10. ore-sorting system as claimed in claim 7 is characterized in that, also comprises: make the tungsten slurry mine tailing be concentrated into the control device of 15%-25% or 15-20%; Be arranged at pump and agitator between concentrator and the flotation unit; Be used for reclaiming butyl xanthate dispenser and 150-200g/t dosage controller and 2# oil dispenser and the 60g/t dosage controller of sulphide ore; Floating sulphur is roughly selected device, floating sulphur is scanned device, floating sulphur selecting device; Flotation tailing pump and agitator, adding calgon dispenser and 2kg/t dosage controller, No. 3 collecting agent dispensers and 50g/t dosage controller, G type flocculant dispenser and 10g/t dosage controller; Stir 6-10 minute time controller; And/or be used for obtaining tungsten concentrate and the centrifugal ore separator of ore pulp gravity treatment.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128251A (en) * | 2014-07-24 | 2014-11-05 | 江西理工大学 | Beneficiation method of tungsten fine silt |
| CN104209182A (en) * | 2014-09-12 | 2014-12-17 | 广西华锡集团股份有限公司 | Method for enriching valuable metal minerals in tailings |
| CN105413856A (en) * | 2015-12-31 | 2016-03-23 | 赣州有色冶金研究所 | Mineral separation method and system for recovering wolframite and scheelite in tungsten fine slime |
| CN105728178A (en) * | 2016-03-16 | 2016-07-06 | 江西耀升钨业股份有限公司 | Efficient comprehensive recycling method of tungsten fine silt |
| CN105750073A (en) * | 2016-03-16 | 2016-07-13 | 江西耀升钨业股份有限公司 | Method for recycling multiple varieties of low-grade valuable elements in tungsten tailings |
| CN107051750A (en) * | 2017-03-31 | 2017-08-18 | 太原理工大学 | The device and technique of a kind of use waste oil flotation |
| CN108043588A (en) * | 2018-01-02 | 2018-05-18 | 中国恩菲工程技术有限公司 | The system of Call Provision iron concentrate from particulate iron tailings |
| CN111515026A (en) * | 2020-05-12 | 2020-08-11 | 江西铜业集团有限公司 | Method for recovering micro-fine particle pyrite from sulfur-containing slime tailings |
| CN119346283A (en) * | 2024-12-24 | 2025-01-24 | 栾川县格诺矿业有限公司 | A system and method for recovering tungsten and molybdenum from low-grade APT slag and treating tailings |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128251A (en) * | 2014-07-24 | 2014-11-05 | 江西理工大学 | Beneficiation method of tungsten fine silt |
| CN104209182A (en) * | 2014-09-12 | 2014-12-17 | 广西华锡集团股份有限公司 | Method for enriching valuable metal minerals in tailings |
| CN105413856A (en) * | 2015-12-31 | 2016-03-23 | 赣州有色冶金研究所 | Mineral separation method and system for recovering wolframite and scheelite in tungsten fine slime |
| CN105728178B (en) * | 2016-03-16 | 2017-12-08 | 江西耀升钨业股份有限公司 | A kind of method of the efficient comprehensive reutilization of tungsten slurry |
| CN105750073A (en) * | 2016-03-16 | 2016-07-13 | 江西耀升钨业股份有限公司 | Method for recycling multiple varieties of low-grade valuable elements in tungsten tailings |
| CN105728178A (en) * | 2016-03-16 | 2016-07-06 | 江西耀升钨业股份有限公司 | Efficient comprehensive recycling method of tungsten fine silt |
| CN107051750A (en) * | 2017-03-31 | 2017-08-18 | 太原理工大学 | The device and technique of a kind of use waste oil flotation |
| CN107051750B (en) * | 2017-03-31 | 2019-01-15 | 太原理工大学 | A kind of device and technique using waste oil flotation |
| CN108043588A (en) * | 2018-01-02 | 2018-05-18 | 中国恩菲工程技术有限公司 | The system of Call Provision iron concentrate from particulate iron tailings |
| CN108043588B (en) * | 2018-01-02 | 2024-01-12 | 中国恩菲工程技术有限公司 | System for retrieve cobalt sulphur concentrate from fine particle iron tailings |
| CN111515026A (en) * | 2020-05-12 | 2020-08-11 | 江西铜业集团有限公司 | Method for recovering micro-fine particle pyrite from sulfur-containing slime tailings |
| CN111515026B (en) * | 2020-05-12 | 2022-07-19 | 江西铜业集团有限公司 | Method for recovering micro-fine particle pyrite from sulfur-containing slime tailings |
| CN119346283A (en) * | 2024-12-24 | 2025-01-24 | 栾川县格诺矿业有限公司 | A system and method for recovering tungsten and molybdenum from low-grade APT slag and treating tailings |
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Application publication date: 20131002 |