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Preparation and application method of emulsion collectors for lead-zinc oxide ore difficult in selection

A lead-zinc oxide and application method technology, applied in flotation, solid separation, etc., can solve the problems of consumption of amine collectors, reduction of concentrate quality, zinc metal loss, etc., to achieve non-deliming flotation, Selective, easy-to-control effects

Inactive Publication Date: 2013-12-18
YUNNAN ZHONGLIN GEOLOGIC INVESTING & DESIGN CO LTD
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AI Technical Summary

Problems solved by technology

[0004] For the flotation of zinc oxide minerals, the amine or combined collectors used are only single or several reagents are put together without special pretreatment, although its suitability is very good and it can process useful minerals It is a collection of high-iron materials and zinc silicate minerals, but when the content of mica, sericite, chlorite shale or carbonaceous shale is high, several reagents mixed together cannot exert their respective activities. During cation exchange adsorption with clay minerals, these gangue minerals float together with zinc oxide minerals, which obviously consumes the amount of amine collectors and seriously reduces the quality of the concentrate
[0005] Although the method of desliming can improve the buoyancy of amine collectors for flotation of zinc oxide ore, reduce the dosage of chemicals, and increase the recovery rate of zinc, but desliming also causes a large loss of zinc metal, which generally accounts for 15%~30% of the feed ore, and the grade of the ore slime is generally equivalent to the feed ore grade

Method used

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  • Preparation and application method of emulsion collectors for lead-zinc oxide ore difficult in selection

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Embodiment 1

[0012] A complex lead-zinc oxide mineral is dominated by zinc with a grade of 5.94% and an oxidation rate of 96.12%, followed by lead with a grade of 0.49% and an oxidation rate of 75.56%. Among the main useful minerals, zinc minerals include: sphalerite, hemimorphite, hydrozincite, smithsonite; lead minerals include: galena, brittle stibnite, white lead ore, lead vanadium; followed by brass Ore, copper blue, pyrite, limonite, marcasite; other associated components are Au, Ag. Gangue minerals are mainly siliceous minerals such as quartz and clay, and there are illite, sericite, calcite, and dolomite, which belong to the type of alkaline oxide minerals with high zinc and low lead. The mineral structure is complex, including breccia structure, disseminated structure, network-vein structure, and honeycomb structure; it is granular, fascicular, radial, spherical, grape-shaped, kidney-shaped, and wrapped. The particle size of useful mineral intercalation varies, generally 0.01~0.3...

Embodiment 2

[0016] A complex lead-zinc oxide mineral, mainly zinc, grade 4.34%, oxidation rate 59.64%, followed by lead grade 0.84, oxidation rate 58.67%. Among the main useful minerals, zinc minerals include: sphalerite, hemimorphite, hydrozinc ore, smithsonite; lead minerals include: galena, styroite, white lead ore, lead vanadium; followed by chalcopyrite, tetrahedrite, pyrite, limonite, and false limonite; Silver-bearing minerals are mainly in the form of independent silver-bearing tetrahedrite wrapped in galena; other associated components such as Cd, Ge, In, and Ga mainly occur in sphalerite, and gangue minerals include: dolomite, quartz, heavy There are more than 202 kinds of minerals in 10 types including spar, fluorite, hydromica clay, sericite, collophosite, organic matter, and natural sulfur, which belong to the type of high-zinc and low-alkaline oxide minerals. The mineral structure is complex, including breccia structure, disseminated structure, veinlet structure, striped str...

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Abstract

The invention relates to preparation and an application method of emulsion collectors for lead-zinc oxide ore difficult in selection. The preparation of emulsion collectors includes preparing amine salt, acetate and pine oil according to the proportion of 1:1:0.3, using acetate solution to dissolve amine salt to prepare mixed amine solution, and then adding pine oil to stir violently for more than 3 hours to emulsify the solution to form a novel flotation system of off-white emulsion collectors. In order to solve the technical problem that low-grate mineral is more and more in lead-zinc oxide ore and the selection is more and more difficult, a feasible flotation technical scheme is provided. The novel emulsion collectors is adopted to perform improved emulsion, recovery rate and concentrate grade of the complex and clayish lead-zinc oxide ore are improved, Pb and Zn quantity in tailings is reduced, precious metal and Pb and Zn concentrates can be recovered comprehensively, selectivity is good, medicament usage is few, and the novel emulsion collectors has important practical meaning.

Description

technical field [0001] The invention belongs to the technical field of mineral processing, and in particular relates to the preparation and application method of an emulsion collector for flotation zinc oxide ore in lead-zinc oxide ore. Background technique [0002] my country is rich in lead and zinc resources, with total reserves accounting for about 24% of the world's total, ranking among the top in the world. Among them, lead metal reserves are second only to the United States, ranking second in the world, accounting for about 15% of the world's reserves; zinc metal reserves rank first in the world, accounting for more than 30% of the world's total reserves, and 72% are distributed in the southwest, northwest and central-southern regions , and many paragenetic deposits. With the continuous mining of mines, the grade of raw ore has a downward trend, and the proportion of refractory ore is gradually increasing, which brings difficulties to improve the mineral processing i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03D1/018B03D1/00B03D101/02
Inventor 王兰华曾冬丽王昆
Owner YUNNAN ZHONGLIN GEOLOGIC INVESTING & DESIGN CO LTD
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