CN101972709B - Floatation method of carbon containing lead zinc ore and carbon removal inhibitor thereof - Google Patents
Floatation method of carbon containing lead zinc ore and carbon removal inhibitor thereof Download PDFInfo
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- CN101972709B CN101972709B CN201010521487XA CN201010521487A CN101972709B CN 101972709 B CN101972709 B CN 101972709B CN 201010521487X A CN201010521487X A CN 201010521487XA CN 201010521487 A CN201010521487 A CN 201010521487A CN 101972709 B CN101972709 B CN 101972709B
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Abstract
The invention discloses a carbon removal inhibitor used for floatation of carbon containing lead zinc ore. The inhibitor comprises the following components by parts by weight: 25-100 parts of acetylene ethylene butyl ether, 25-100 parts of ferri-chrome ligin and 1000-5000 parts of lime. The invention also discloses a flotation method applying the inhibitor. The flotation method includes ore grinding, lead flotation and zinc flotation; wherein zinc flotation and lead flotation respectively include primary roughing, triple cleaning and triple scavenging, and finally lead-zinc ore concentrate is obtained. Compared with the prior art, the new inhibitor of the invention and flotation thereof have high selective efficiency, effective separation of carbon, lead and zinc can be realized, lead-zinc ore concentrate grade and metal recovery rate are improved, and mineral separation cost is low, technological flow is simple and reliable, and operation is easy.
Description
Technical field
The present invention relates to the mineral floating field, especially relate to a kind of method for floating and carbon removal inhibitor thereof that contains the plumbous zinc ore of charcoal.
Background technology
Mass development utilization along with mine resources; It is fewer and feweri that the lead-zinc sulfide ore of Yi Xuan produces resource; Plumbous zinc ore produces resource progressively to be developed to poor, thin, assorted direction; How to find the highly efficient depressor of effective removal objectionable impurities, improve the key point that plumbous zinc enrichment index and plumbous zinc metal recovery rate become this ekalead zinc resource of effective development and use.
The charcoal major part that China contains in the plumbous zinc ore of charcoal all becomes the cryptocrystalline state, and the cryptocrystalline charcoal is difficult to deviate from through flotation, and it usually grabs floating agent with valuable mineral, and the floating agent cost is rolled up, and flotation conditions sharply worsens.The technology that mainly adopts the preferentially floating charcoal of kerosene or adopt lignin to press down charcoal flotation of lead zinc for the flotation that contains the plumbous zinc ore of charcoal is at present handled; Its carbon removal effect is often unsatisfactory; Flotation process is long; The floatation indicators of plumbous zinc is poor: concentrate grade does not reach smelting requirements, metal recovery rate is low, and enterprise investment is difficult to obtain profit.Specially to distinguish plumbous zinc ore reserves big though draw like China Inner Mongol crow; But plumbous zinc grade low (lead+zinc has only about 4%), contain charcoal height (usually reaching more than 10%); And charcoal is that the floatability difference of cryptocrystalline, charcoal is big; Traditional ore-dressing technique is difficult to realize that with inhibitor charcoal, lead, the effective of zinc separate, and has seriously restricted the development and use of the high charcoal lead-zinc ore in this area.
Summary of the invention
The technical problem that the present invention will solve provides the effective charcoal lead-zinc ore floating that contains of a kind of carbon removal and uses the carbon removal inhibitor; The method for floating that uses this inhibitor also is provided, with effective separation and raising lead and zinc concentrate grade and the metal recovery rate of realizing charcoal, lead, zinc.
Adopt following technical scheme for solving the problems of the technologies described above the present invention: contain the charcoal lead-zinc ore floating and use the carbon removal inhibitor, this inhibitor contains the component of following parts by weight: 25～100 parts of acetylene ethene butyl ethers, 25～100 parts of siderochrome lignins and 1000～5000 parts of lime.
Use the above-mentioned method for floating that contains the charcoal lead-zinc ore floating with the carbon removal inhibitor, this method for floating comprises the steps:
< 1>ore grinding: will contain the plumbous zinc ore of charcoal and be milled to granularity and account for 70～90% less than 200 purposes;
< 2>flotation of lead: through lead once roughly select, three lead is selected and three lead are scanned the acquisition lead concentrate; During lead is roughly selected; Raw ore per ton adds 25～100 gram acetylene ethene butyl ethers, 25～100 gram siderochrome lignins and 1000～5000 gram lime; Stirring was sized mixing 1～10 minute, and pH values of pulp is transferred to 10～11.5, added the 25# black powder of 20～80 gram/tons again; Sized mixing 1～5 minute, and added the 2# flotation oil of 10～30 gram/tons; In plumbous selected three, add acetylene ethene butyl ether and siderochrome lignin each 10～40 gram/tons and lime 400～2000 gram/tons; During three times lead is scanned, add the 25# black powder of 5～30 gram/tons respectively;
< 3>flotation zinc: through zinc roughly select, three zinc is selected and three zinc are scanned the acquisition zinc concentrate; During zinc is roughly selected, scan adding lime 500～1500 gram/tons, copper sulphate 500～1500 gram/tons in the mine tailing, sized mixing 1～10 minute, add butyl xanthate 40～100 gram/tons, 2# oil 10～50 gram/tons again, sized mixing 1～5 minute at lead; In the zinc selected three, add lime 300～800 gram/tons; During three times zinc was scanned, each added the butyl xanthate of 5～50 gram/tons.
The charcoal lead-zinc ore floating that contains of the present invention adopts acetylene ethene butyl ether (MIG-4E)+siderochrome lignin+lime (CaO) as composite restrainer with the carbon removal inhibitor, does not need flotation in advance to take off charcoal, directly charcoal and pyrite is suppressed in flotation tailing.Use the above-mentioned method for floating that contains the charcoal lead-zinc ore floating with the carbon removal inhibitor, can reach 10% to containing charcoal, the widely different complicated low-grade lead zinc ore of the floatability of charcoal carries out effective FLOTATION SEPARATION, and the lead and zinc concentrate of high-quality is provided for lead-zinc smelting.Compared with prior art; Novel inhibitors of the present invention and method for floating thereof sort the efficient height; Lead and zinc concentrate grade (improving about 20%, 10%) and plumbous zinc recovery (improving about 20%, 20%) all have very big raising, and beneficiation cost is low, technological process is simple and reliable, use processing ease.
Description of drawings
Fig. 1 is the process chart that contains charcoal lead-zinc ore floating method of the present invention.
Among the figure: MIG-4E is an acetylene ethene butyl ether, and CaO is a lime, and 2# oil is the 2# flotation oil, and butyl xanthate is a butyl sodium xanthate, CuSO
4Be copper sulphate.
The specific embodiment
Fig. 1 has shown the process chart that contains charcoal lead-zinc ore floating method of the present invention, below in conjunction with embodiment to the affected further explain of technology contents of the present invention.
Embodiment 1
< 1>ore grinding: will contain the plumbous zinc ore of charcoal and be milled to granularity and account for 70% less than 200 purposes;
< 2>flotation of lead: through lead once roughly select, three lead is selected and three lead are scanned the acquisition lead concentrate; During lead was roughly selected, raw ore per ton added 25 gram acetylene ethene butyl ethers, 50 gram siderochrome lignins and 1000 gram lime, stirs and sizes mixing 5 minutes, and pH values of pulp is transferred to 10.0, adds the 25# black powder of 20 gram/tons again, sizes mixing 3 minutes, adds the 2# flotation oil of 30 gram/tons; In plumbous selected three, add acetylene ethene butyl ether and siderochrome lignin each 10 gram/tons and lime 400 gram/tons; During three times lead is scanned, add the 25# black powder of 10,5,5 gram/tons respectively;
< 3>flotation zinc: through zinc roughly select, three zinc is selected and three zinc are scanned the acquisition zinc concentrate; During zinc is roughly selected, scan adding lime 500 gram/tons, copper sulphate 500 gram/tons in the mine tailing, sized mixing 1 minute, add butyl xanthate 40 gram/tons, 2# oil 10 gram/tons again, sized mixing 5 minutes at lead; In the zinc selected three, add lime 300 gram/tons; During three times zinc was scanned, each added the butyl xanthate of 20,10,5 gram/tons.
Embodiment 2
< 1>ore grinding: will contain the plumbous zinc ore of charcoal and be milled to granularity and account for 76% less than 200 purposes;
< 2>flotation of lead: through lead once roughly select, three lead is selected and three lead are scanned the acquisition lead concentrate; During lead was roughly selected, raw ore per ton added 50 gram acetylene ethene butyl ethers, 100 gram siderochrome lignins and 2500 gram lime, stirs and sizes mixing 1 minute, and pH values of pulp is transferred to 11.0, adds the 25# black powder of 80 gram/tons again, sizes mixing 1 minute, adds the 2# flotation oil of 10 gram/tons; In plumbous selected three, add acetylene ethene butyl ether and siderochrome lignin each 40 gram/tons and lime 1200 gram/tons; During three times lead is scanned, add the 25# black powder of 30,20,10 gram/tons respectively;
< 3>flotation zinc: through zinc roughly select, three zinc is selected and three zinc are scanned the acquisition zinc concentrate; During zinc is roughly selected, scan adding lime 1500 gram/tons, copper sulphate 1200 gram/tons in the mine tailing, sized mixing 5 minutes, add butyl xanthate 70 gram/tons, 2# oil 30 gram/tons again, sized mixing 3 minutes at lead; In the zinc selected three, add lime 800 gram/tons; During three times zinc was scanned, each added the butyl xanthate of 50,20,10 gram/tons.
Embodiment 3
< 1>ore grinding: will contain the plumbous zinc ore of charcoal and be milled to granularity and account for 90% less than 200 purposes;
< 2>flotation of lead: through lead once roughly select, three lead is selected and three lead are scanned the acquisition lead concentrate; During lead was roughly selected, raw ore per ton added 100 gram acetylene ethene butyl ethers, 25 gram siderochrome lignins and 5000 gram lime, stirs and sizes mixing 10 minutes, and pH values of pulp is transferred to 11.5, adds the 25# black powder of 50 gram/tons again, sizes mixing 5 minutes, adds the 2# flotation oil of 15 gram/tons; In plumbous selected three, add acetylene ethene butyl ether and siderochrome lignin each 25 gram/tons and lime 2000 gram/tons; During three times lead is scanned, add the 25# black powder of 20,10,10 gram/tons respectively;
< 3>flotation zinc: through zinc roughly select, three zinc is selected and three zinc are scanned the acquisition zinc concentrate; During zinc is roughly selected, scan adding lime 1000 gram/tons, copper sulphate 1500 gram/tons in the mine tailing, sized mixing 10 minutes, add butyl xanthate 100 gram/tons, 2# oil 50 gram/tons again, sized mixing 1 minute at lead; In the zinc selected three, add lime 550 gram/tons; During three times zinc was scanned, each added the butyl xanthate of 30,15,15 gram/tons.
Embodiment 4
< 1>ore grinding: will contain the plumbous zinc ore of charcoal and be milled to granularity and account for 82% less than 200 purposes;
< 2>flotation of lead: through lead once roughly select, three lead is selected and three lead are scanned the acquisition lead concentrate; During lead was roughly selected, raw ore per ton added 30 gram acetylene ethene butyl ethers, 30 gram siderochrome lignins and 3000 gram lime, stirs and sizes mixing 5 minutes, and pH values of pulp is transferred to 10.5, adds the 25# black powder of 40 gram/tons again, sizes mixing 2 minutes, adds the 2# flotation oil of 20 gram/tons; In plumbous selected three, add acetylene ethene butyl ether and siderochrome lignin each 10 gram/tons and lime 800 gram/tons; During three times lead is scanned, add the 25# black powder of 20,10,10 gram/tons respectively;
< 3>flotation zinc: through zinc roughly select, three zinc is selected and three zinc are scanned the acquisition zinc concentrate; During zinc is roughly selected, scan adding lime 1000 gram/tons, copper sulphate 800 gram/tons in the mine tailing, sized mixing 5 minutes, add butyl xanthate 60 gram/tons, 2# oil 30 gram/tons again, sized mixing 2 minutes at lead; In the zinc selected three, add lime 500 gram/tons; During three times zinc was scanned, each added the butyl xanthate of 30,10,10 gram/tons.
The foregoing description adopts from Inner Mongol Wulate Rear Banner difficulty and selects the plumbous zinc ore of high charcoal; Technical indicator that obtains and traditional handicraft (flotation removing part charcoal; All the other charcoals suppress with the siderochrome lignin, and dosing is kerosene 20g/t, siderochrome lignin 70g/t) comparative result is as shown in table 1.
Table 1: traditional handicraft and comprehensive technical indexes comparison sheet of the present invention
Claims (2)
1. one kind contains the charcoal lead-zinc ore floating and uses the carbon removal inhibitor, it is characterized in that this inhibitor contains the component of following parts by weight:
25～100 parts of acetylene ethene butyl ethers, 25～100 parts of siderochrome lignins and 1000～5000 parts of lime.
2. one kind is used the method for floating that contains the charcoal lead-zinc ore floating with the carbon removal inhibitor as claimed in claim 1, it is characterized in that this method for floating comprises the steps:
< 1>ore grinding: will contain the plumbous zinc ore of charcoal and be milled to granularity and account for 70～90% less than 200 purposes;
< 2>flotation of lead: through lead once roughly select, three lead is selected and three lead are scanned the acquisition lead concentrate; During said lead is roughly selected; Raw ore per ton adds 25～100 gram acetylene ethene butyl ethers, 25～100 gram siderochrome lignins and 1000～5000 gram lime; Stirring was sized mixing 1～10 minute, and pH values of pulp is transferred to 10～11.5, added the 25# black powder of 20～80 gram/tons again; Sized mixing 1～5 minute, and added the 2# flotation oil of 10～30 gram/tons; For the third time plumbous selected in, add acetylene ethene butyl ether and siderochrome lignin each 10～40 gram/tons and lime 400～2000 gram/tons; During said three lead are scanned, add the 25# black powder of 5～30 gram/tons respectively;
< 3>flotation zinc: through zinc roughly select, three zinc is selected and three zinc are scanned the acquisition zinc concentrate; During said zinc is roughly selected, scan adding lime 500～1500 gram/tons, copper sulphate 500～1500 gram/tons in the mine tailing, sized mixing 1～10 minute, add butyl xanthate 40～100 gram/tons, 2# oil 10～50 gram/tons again, sized mixing 1～5 minute at lead; In zinc for the third time is selected, add lime 300～800 gram/tons; During said three zinc were scanned, each added the butyl xanthate of 5～50 gram/tons.
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| CN102921549A (en) * | 2012-04-25 | 2013-02-13 | 昆明理工大学 | Flotation separation beneficiation method for lead-zinc-tin sulfide ores |
| CN103623919A (en) * | 2013-12-11 | 2014-03-12 | 广西大学 | Ore dressing method for lead, zinc and antimony ore containing carbon |
| CN103639061A (en) * | 2013-12-11 | 2014-03-19 | 广西大学 | Flotation method for lead and zinc ore difficult to select |
| CN106179766B (en) * | 2016-08-09 | 2019-05-14 | 北京矿冶研究总院 | Molybdenum-lead separation inhibitor and preparation method and application thereof |
| CN106378260B (en) * | 2016-09-29 | 2018-05-11 | 内蒙古东升庙矿业有限责任公司 | A kind of beneficiation method of low-grade phyllite type Pb-Zn deposits |
| CN106179723B (en) * | 2016-09-29 | 2018-05-11 | 内蒙古东升庙矿业有限责任公司 | A kind of difficulty selects the beneficiation method of Pb-Zn deposits Pb-Zn separation |
| CN107398346B (en) * | 2017-07-27 | 2020-05-12 | 四川会东大梁矿业有限公司 | Method for separating ore from oxidized ore or low-grade lead-zinc raw ore |
| CN107442267B (en) * | 2017-07-28 | 2019-03-15 | 西部矿业股份有限公司 | A kind of microfine difficulty selects the method for floating of marmatite |
| CN107774455A (en) * | 2017-10-25 | 2018-03-09 | 湖南水口山有色金属集团有限公司 | A kind of Pb-Zn deposits trithio presses down zinc mineral processing production method |
| CN111804439B (en) * | 2020-07-20 | 2021-07-09 | 中南大学 | Beneficiation method for carbon-containing lead-zinc sulfide ore |
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