CN103495493A - Beneficiation method for low-grade fine tin ore - Google Patents
Beneficiation method for low-grade fine tin ore Download PDFInfo
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Abstract
The invention discloses a beneficiation method of low-grade fine tin ore, which comprises the following steps of firstly carrying out sulphide ore flotation on multi-metal raw ore to obtain sulphide ore concentrate and sulphide ore flotation tailings; carrying out magnetic separation on the sulfide ore flotation tailings to obtain iron ore concentrate and magnetic separation tailings; carrying out cyclone desliming treatment on the magnetic separation tailings to obtain cyclone sand setting; the method has the advantages that ore dressing interference factors are relatively reduced, the operation is stable, the technology is mature and reliable, the adaptability to ores is high, the influence of large fluctuation and change of mineral proportion can be avoided, the tin dressing index is stable, and the recovery rate of the cassiterite is improved.
Description
Technical field
The present invention relates to the mineral separation technology field, relate in particular to a kind of beneficiation method of low-grade tin fines ore.
Background technology
At present, in the Mineral separation technical field, the recovery of tin ore is mainly by the sorting process of gravity treatment or heavy-floating associating.Gravity treatment is mainly to complete by equipment such as spiral chute, shaking table, centrifugal ore separators, sorts long flow path, the flowage structure complexity, and operation factors is more.
Through the exploitation of decades, China is the single abundant ore source exhaustion day by day of choosing easily, and complicated low-grade unmanageable many metals mineral intergrowth progressively becomes the main body of development of resources.And low-grade tin fines ore, the especially cassiterite of polymetallic ore association, if reclaim by gravity treatment, flotation or heavy-floating combined process flow, the cassiterite rate of recovery is lower.Therefore in prior art, being recovered in actual production of low-grade Fine cassiterite has larger limitation, also is difficult to realize that its high-efficiency and economic develops.
Summary of the invention
The beneficiation method that the purpose of this invention is to provide a kind of low-grade tin fines ore, the method ore dressing disturbing factor reduces relatively, stable operation, technology maturation is reliable, strong adaptability to ore, can not be subject to the fluctuation of mineral ratio to change large impact, the tin sorting index is stable, has improved the rate of recovery of cassiterite.
A kind of beneficiation method of low-grade tin fines ore, described method comprises:
Many metals tcrude ore is carried out to sulfide flotation, obtain sulphide concentrate and sulfide flotation mine tailing;
Described sulfide flotation mine tailing is carried out to magnetic separation, obtain iron ore concentrate and magnetic tailing;
Described magnetic tailing is carried out to cyclone desliming processing, obtain hydrocyclone sand;
Add adjusting agent and collecting agent in described hydrocyclone sand, and through one roughing, scan for three times, obtain the cassiterite concentrate after triple cleaning.
Add adjusting agent and collecting agent in described hydrocyclone sand, and through one roughing, scan for three times, obtain the cassiterite concentrate after triple cleaning, specifically comprise:
Add adjusting agent in described hydrocyclone sand, comprise sodium carbonate 300-500g/t, waterglass 50-100g/t, prodan 20-30g/t, plumbi nitras 300-400g/t, and stir 3 minutes;
Continue to add collecting agent, comprise modification oleic acid 300-400g/t, tributyl phosphate 50-70g/t, No. 2 oily 15g/t, and stir 3 minutes;
Pass through again one roughing, triple cleaning, scan for three times, obtain the cassiterite concentrate of stanniferous Sn20-30%, the rate of recovery 90% left and right.
Described modification oleic acid is that common oleic acid adds emulsifying agent and diesel oil, No. two oil and alcohol and evenly mixes, and its mixed proportion is 9:1:1:0.5:0.5.
As seen from the above technical solution provided by the invention, the method ore dressing disturbing factor reduces relatively, stable operation, technology maturation is reliable, to the strong adaptability of ore, can not be subject to the fluctuation of mineral ratio to change large impact, the tin sorting index is stable, has improved the rate of recovery of cassiterite.
The accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
The beneficiation method schematic flow sheet of the low-grade tin fines ore that Fig. 1 provides for the embodiment of the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on embodiments of the invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to protection scope of the present invention.
The described method of the embodiment of the present invention is for low-grade tin fines ore, adopt complete floating technique and novel high selectivity, the beneficiation reagent of strong collecting power, improve to greatest extent the rate of recovery of Fine cassiterite, finally can obtain the cassiterite concentrate of stanniferous 20-30%, the rate of recovery 90% left and right.Below in conjunction with accompanying drawing, the embodiment of the present invention is described in further detail, is illustrated in figure 1 the beneficiation method schematic flow sheet of the low-grade tin fines ore that the embodiment of the present invention provides, described method comprises:
Step 11: many metals tcrude ore is carried out to sulfide flotation, obtain sulphide concentrate and sulfide flotation mine tailing;
Step 12: described sulfide flotation mine tailing is carried out to magnetic separation, obtain iron ore concentrate and magnetic tailing;
Step 13: described magnetic tailing is carried out to cyclone desliming processing, obtain hydrocyclone sand;
Step 14: add adjusting agent and collecting agent in described hydrocyclone sand, and through one roughing, scan for three times, obtain the cassiterite concentrate after triple cleaning.
Specifically, roughly select concentrate interpolation adjusting agent and obtain the cassiterite concentrate after triple cleaning, adjusting agent is only added in each selected operation; Rougher tailings only adds collecting agent and obtain mine tailing after three times is scanned, and scavenger concentrate sequentially turns back to last operation.
In specific implementation, at first in described hydrocyclone sand, add adjusting agent, comprise sodium carbonate 300-500g/t, waterglass 50-100g/t, prodan 20-30g/t, plumbi nitras 300-400g/t, and stir 3 minutes;
Continue to add collecting agent, comprise modification oleic acid 300-400g/t, tributyl phosphate 50-70g/t, No. 2 oily 15g/t, and stir 3 minutes;
Pass through again one roughing, triple cleaning, scan for three times, obtain the cassiterite concentrate of stanniferous Sn20-30%, the rate of recovery 90% left and right.
Above-mentioned modification oleic acid is that common oleic acid adds emulsifying agent and diesel oil, No. two oil and alcohol and evenly mixes, and its mixed proportion is 9:1:1:0.5:0.5.
Below with concrete example, said method is described, in this example, many metals tcrude ore cupric 0.2-0.3%, zinc 0.5-0.8%, tin 0.1-0.4%.At first by the tcrude ore fragmentation, ore grinding accounts for 80-85% to-0.074mm, and then through sulfide flotation, iron removal by magnetic separation, and the cyclone desliming, hydrocyclone sand is as flotation to ore deposit, and wherein the cassiterite flotation is to being 0.16-0.54% containing Sn in ore deposit.
Embodiment 1:
Need the mineral 1 of separating: the cassiterite flotation is 0.44% in ore deposit, containing Sn.
Add sodium carbonate 400g/t, waterglass 50g/t, prodan 20g/t, plumbi nitras 400g/t in above-mentioned flotation in to ore deposit, stir 3 minutes; Add again water modification oleic acid 400g/t, tributyl phosphate 60g/t, No. 2 oily 15g/t, stir 3 minutes; Pass through one roughing, triple cleaning, scan for three times, can obtain containing Sn29.54%, the rate of recovery is 91.32% tin concentrate.
Embodiment 2:
Need the mineral 2 of separating: the cassiterite flotation is 0.16% in ore deposit, containing Sn.
Add sodium carbonate 300g/t, waterglass 100g/t, prodan 30g/t, plumbi nitras 300g/t in above-mentioned flotation in to ore deposit, stir 3 minutes; Add modification oleic acid 300g/t, tributyl phosphate 50g/t, No. 2 oily 15g/t, stir 3 minutes; Pass through one roughing, triple cleaning, scan for three times, can obtain containing Sn27.38%, the rate of recovery is 89.21% tin concentrate.
Embodiment 3:
Need the mineral 3 of separating: the cassiterite flotation is 0.37% in ore deposit, containing Sn.
Add sodium carbonate 400g/t, waterglass 70g/t, prodan 30g/t, plumbi nitras 300g/t in above-mentioned flotation in to ore deposit, stir 3 minutes; Add modification oleic acid 400g/t, tributyl phosphate 70g/t, No. 2 oily 15g/t, stir 3 minutes; Pass through one roughing, triple cleaning, scan for three times, can obtain containing Sn29.16%, the rate of recovery is 90.08% tin concentrate.
Embodiment 4:
Need the mineral 4 of separating: the cassiterite flotation is 0.19% in ore deposit, containing Sn.
Add sodium carbonate 300g/t, waterglass 90g/t, prodan 25g/t, plumbi nitras 400g/t in above-mentioned flotation in to ore deposit, stir 3 minutes; Add modification oleic acid 300g/t, tributyl phosphate 50g/t, No. 2 oily 15g/t, stir 3 minutes; Pass through one roughing, triple cleaning, scan for three times, can obtain containing Sn27.27%, the rate of recovery is 88.17% tin concentrate.
In sum, in the embodiment of the present invention, low-grade Fine cassiterite adopts complete floating technique, the floatation process stable operation, and the tin rate of recovery is high, selected medicament environmentally safe, but tailing water qualified discharge.
The above; be only the present invention's specific embodiment preferably, but protection scope of the present invention is not limited to this, anyly is familiar with in technical scope that those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (3)
1. the beneficiation method of a low-grade tin fines ore, is characterized in that, described method comprises:
Many metals tcrude ore is carried out to sulfide flotation, obtain sulphide concentrate and sulfide flotation mine tailing;
Described sulfide flotation mine tailing is carried out to magnetic separation, obtain iron ore concentrate and magnetic tailing;
Described magnetic tailing is carried out to cyclone desliming processing, obtain hydrocyclone sand;
Add adjusting agent and collecting agent in described hydrocyclone sand, and through one roughing, scan for three times, obtain the cassiterite concentrate after triple cleaning.
2. the beneficiation method of low-grade tin fines ore according to claim 1, is characterized in that, describedly adds adjusting agent and collecting agent in described hydrocyclone sand, and through one roughing, scan for three times, obtain the cassiterite concentrate after triple cleaning, specifically comprise:
Add adjusting agent in described hydrocyclone sand, comprise sodium carbonate 300-500g/t, waterglass 50-100g/t, prodan 20-30g/t, plumbi nitras 300-400g/t, and stir 3 minutes;
Continue to add collecting agent, comprise modification oleic acid 300-400g/t, tributyl phosphate 50-70g/t, No. 2 oily 15g/t, and stir 3 minutes;
Pass through again one roughing, triple cleaning, scan for three times, obtain the cassiterite concentrate of stanniferous Sn20-30%, the rate of recovery 90% left and right.
3. the beneficiation method of low-grade tin fines ore according to claim 1, is characterized in that,
Described modification oleic acid is that common oleic acid adds emulsifying agent and diesel oil, No. two oil and alcohol and evenly mixes, and its mixed proportion is 9:1:1:0.5:0.5.
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492608A (en) * | 2014-11-21 | 2015-04-08 | 广西大学 | Floatation separation method of micro-fine-particle cassiterite minerals and quartz |
| CN105618273A (en) * | 2016-01-12 | 2016-06-01 | 昆明理工大学 | Beneficiation method for cassiterite-polymetallic sulfide ores |
| CN106076647A (en) * | 2016-06-20 | 2016-11-09 | 武汉理工大学 | Utilize the method for magnetic iron ore in combination medicament activation and flotation iron ore concentrate |
| CN106111315A (en) * | 2016-08-01 | 2016-11-16 | 江苏省冶金设计院有限公司 | Prepare the method and system of iron ore concentrate |
| CN106269276A (en) * | 2016-08-29 | 2017-01-04 | 北京矿冶研究总院 | Beneficiation method for comprehensively recycling low-grade micro-fine particle tantalum-niobium resources and flotation reagent |
| CN107617506A (en) * | 2017-08-30 | 2018-01-23 | 昆明理工大学 | A kind of high-grade lode tin ore deposit beneficiation method |
| CN107890946A (en) * | 2017-09-29 | 2018-04-10 | 昆明理工大学 | A kind of beneficiation method of micro fine particle |
| CN108580050A (en) * | 2018-04-11 | 2018-09-28 | 北京矿冶科技集团有限公司 | A kind of neutral pH conditions flotation potassium feldspar method |
| CN109092567A (en) * | 2018-08-02 | 2018-12-28 | 湖南柿竹园有色金属有限责任公司 | A kind of efficient collecting of tin and strong selectivity inhibitor process integration |
| CN110773327A (en) * | 2019-11-14 | 2020-02-11 | 云南锡业研究院有限公司 | Method for flotation recovery of fine cassiterite of oxidized vein tin ore |
| CN111841876A (en) * | 2020-07-16 | 2020-10-30 | 湖南柿竹园有色金属有限责任公司 | Method for segmented recycling of copper-tin polymetallic ore beneficiation wastewater |
| CN112354686A (en) * | 2020-10-15 | 2021-02-12 | 湖南柿竹园有色金属有限责任公司 | Application of mixed alkali in novel process for recycling low-degree fluorite tailings |
| CN113275130A (en) * | 2021-06-08 | 2021-08-20 | 青岛鑫润矿业科技有限公司 | Cheaper cassiterite flotation auxiliary collecting agent |
| CN113713963A (en) * | 2021-07-29 | 2021-11-30 | 四川谨而睿科技有限公司 | Method for recovering titanium concentrate from rough sulfide ore in ilmenite recovery process |
| CN115350811A (en) * | 2022-09-08 | 2022-11-18 | 昆明理工大学 | Magnetic-gravity combined comprehensive recovery method for poor tin tailings |
| CN117960390A (en) * | 2024-04-01 | 2024-05-03 | 中国矿业大学(北京) | Method for recycling sulfur in tin polymetallic ore |
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Cited By (23)
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| CN104492608A (en) * | 2014-11-21 | 2015-04-08 | 广西大学 | Floatation separation method of micro-fine-particle cassiterite minerals and quartz |
| CN104492608B (en) * | 2014-11-21 | 2017-01-25 | 广西大学 | Floatation separation method of micro-fine-particle cassiterite and quartz |
| CN105618273A (en) * | 2016-01-12 | 2016-06-01 | 昆明理工大学 | Beneficiation method for cassiterite-polymetallic sulfide ores |
| CN106076647A (en) * | 2016-06-20 | 2016-11-09 | 武汉理工大学 | Utilize the method for magnetic iron ore in combination medicament activation and flotation iron ore concentrate |
| CN106076647B (en) * | 2016-06-20 | 2019-11-26 | 武汉理工大学 | Utilize the method for magnetic iron ore in combination medicament activation and flotation iron ore concentrate |
| CN106111315A (en) * | 2016-08-01 | 2016-11-16 | 江苏省冶金设计院有限公司 | Prepare the method and system of iron ore concentrate |
| CN106269276A (en) * | 2016-08-29 | 2017-01-04 | 北京矿冶研究总院 | Beneficiation method for comprehensively recycling low-grade micro-fine particle tantalum-niobium resources and flotation reagent |
| CN107617506B (en) * | 2017-08-30 | 2019-07-16 | 昆明理工大学 | A kind of high-grade lode tin mine beneficiation method |
| CN107617506A (en) * | 2017-08-30 | 2018-01-23 | 昆明理工大学 | A kind of high-grade lode tin ore deposit beneficiation method |
| CN107890946A (en) * | 2017-09-29 | 2018-04-10 | 昆明理工大学 | A kind of beneficiation method of micro fine particle |
| CN108580050A (en) * | 2018-04-11 | 2018-09-28 | 北京矿冶科技集团有限公司 | A kind of neutral pH conditions flotation potassium feldspar method |
| CN108580050B (en) * | 2018-04-11 | 2020-02-21 | 北京矿冶科技集团有限公司 | Method for floating potassium feldspar under neutral pH value condition |
| CN109092567A (en) * | 2018-08-02 | 2018-12-28 | 湖南柿竹园有色金属有限责任公司 | A kind of efficient collecting of tin and strong selectivity inhibitor process integration |
| CN110773327A (en) * | 2019-11-14 | 2020-02-11 | 云南锡业研究院有限公司 | Method for flotation recovery of fine cassiterite of oxidized vein tin ore |
| CN111841876A (en) * | 2020-07-16 | 2020-10-30 | 湖南柿竹园有色金属有限责任公司 | Method for segmented recycling of copper-tin polymetallic ore beneficiation wastewater |
| CN111841876B (en) * | 2020-07-16 | 2022-08-30 | 湖南柿竹园有色金属有限责任公司 | Method for segmented recycling of copper-tin polymetallic ore beneficiation wastewater |
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| CN113275130A (en) * | 2021-06-08 | 2021-08-20 | 青岛鑫润矿业科技有限公司 | Cheaper cassiterite flotation auxiliary collecting agent |
| CN113713963A (en) * | 2021-07-29 | 2021-11-30 | 四川谨而睿科技有限公司 | Method for recovering titanium concentrate from rough sulfide ore in ilmenite recovery process |
| CN115350811A (en) * | 2022-09-08 | 2022-11-18 | 昆明理工大学 | Magnetic-gravity combined comprehensive recovery method for poor tin tailings |
| CN115350811B (en) * | 2022-09-08 | 2024-04-12 | 昆明理工大学 | Method for comprehensively recovering lean tin tailings by magnetic gravity combination |
| CN117960390A (en) * | 2024-04-01 | 2024-05-03 | 中国矿业大学(北京) | Method for recycling sulfur in tin polymetallic ore |
| CN117960390B (en) * | 2024-04-01 | 2024-05-31 | 中国矿业大学(北京) | Method for recycling sulfur in tin polymetallic ore |
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