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Beneficiation method of sulphide ore

A beneficiation method and technology of sulfide ore, which is applied in flotation, solid separation, grain processing, etc., can solve the problems of fine embedded particle size, ineffective recovery of sulfide ore, and complex material composition, so as to achieve sufficient flotation interface and reduce The number of flotation operations and the effect of simplification of the flotation process

Active Publication Date: 2014-04-23
JINCHUAN GROUP LIMITED
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0007] The object of the present invention is to aim at the deficiencies in the above-mentioned prior art, and to provide a sulfide ore that can effectively overcome the problem that the sulfide ore with fine embedded particle size and complex material composition cannot be effectively recovered by conventional flotation in the flotation process. beneficiation method

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  • Beneficiation method of sulphide ore
  • Beneficiation method of sulphide ore
  • Beneficiation method of sulphide ore

Examples

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Embodiment 1

[0049] Embodiment 1——Application in refractory copper sulfide ore

[0050] The grade of copper in the raw ore is 0.80%. Copper exists in the ore in the form of oxide and sulfide respectively. Among them, copper sulfide accounts for 74.48% of the metal ratio, and copper oxide accounts for 25.52%. Therefore, the ore belongs to copper sulfide ore. Chalcopyrite is the copper mineral with the highest content in this ore. It is mostly heteromorphic and granular. It often coexists with gangue minerals such as calcite. It wraps half-wrapped calcite and distributes in veins and veins. , it can be seen that tetrahedrite metasomatizes chalcopyrite; part of the edge is etched into chalcopyrite. Coarse-grained chalcopyrite is often embedded with fine-grained gangue minerals, pyrite, and sphalerite, and fine-grained chalcopyrite is often closely symbiotic with gangue minerals, and the embedded boundary is very complicated. The chalcopyrite embedded particle size in the ore is extremely une...

Embodiment 2

[0073] Embodiment 2——Application in the sorting of molybdenum ore

[0074] The grade of molybdenum contained in the raw ore is 0.43%, and the molybdenum distribution rate in the sulfide is as high as 94.85%. Through mineral particle size analysis, it can be known from the results of dissociation degree that the molybdenite monomer dissociation degree of +74μm particle size material is only 70.7%, and only at -32μm particle size molybdenite can achieve complete dissociation (+32μm particle size Grade molybdenite monomer dissociation degree reaches 98.0% in total), indicating that if one wants to obtain high-quality molybdenum concentrate, a higher grinding fineness is required. The ultra-fine-grained target minerals in this ore have achieved a satisfactory metal recovery effect after applying the column grinding machine beneficiation method. The application process includes the following steps:

[0075] 1 material preparation

[0076] After a sorting operation, a section of ...

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Abstract

A beneficiation method of sulphide ore relates to improvement of a beneficiation method of sulphide ore, and especially adopts a combined flotation method with a cylindrical grinder. The beneficiation process comprises the steps of performing first-stage screening of sulphide ore to obtain a first-stage coarse particle concentrate A1 and a first-stage tailing product A2; and the beneficiation process is characterized in that the first-stage tailing product A2 is subjected to a combined screening process by a cylindrical grinder. The method of the invention can effectively overcome the problem that sulphide ore with a small disseminated grain size and complex material composition cannot be recovered effectively with routine flotation methods in a flotation process, adopts a combined screening process of first-stage tailings by using a cylindrical grinder, and achieves satisfied metal recovery effect on ultrafine particle fractions in the ore by beneficiation with a cylindrical grinder.

Description

technical field [0001] A beneficiation method of sulfide ore relates to an improvement of a beneficiation method of sulfide ore, in particular a method of combining column grinding and flotation. Background technique [0002] In the beneficiation industry, the most widely used separation method for metal sulfide ore rocks is flotation beneficiation, referred to as flotation. The flotation method has been used in mining production for more than 150 years, and the flotation process and theory have also undergone great development, forming a variety of unique technical contents and flotation processes for various purposes. [0003] With the continuous mining and utilization of mineral resources, mineral resources become more and more scarce, and mineral resources tend to develop in the direction of poverty, fineness, miscellaneous, and difficulty. The embedded cloth has a fine particle size. The technological process of flotation to treat sulfide minerals is generally set up...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C21/00B03D1/018B03D1/02
Inventor 赵寿红谢杰江敏王玛斗崔忠远马忠鑫秦磊
Owner JINCHUAN GROUP LIMITED
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