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Concentration method for qualifying headings and increasing recovery rate

A process method and technology of recovery rate, applied in the field of indicators, can solve the problems of low economic benefit of mines, poor sorting effect, waste of non-renewable mineral useful resources, etc.

Inactive Publication Date: 2010-04-28
郝志刚
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The ball mill mainly uses the method of grinding and stripping to crush the ore. The main disadvantage is that the dissociation of useful minerals and gangue is not sufficient, and the part of useful minerals that are fully dissociated is often ground too small, so that it becomes difficult to separate. particles
In addition, when the ore is ground to a particle size that can be selected, its particle shape is often close to spherical, and the spherical particle is generally poor in the separation effect.
These reasons make it difficult to improve the beneficiation process index, the economic benefit of the mine is low, and a large amount of non-renewable mineral useful resources are wasted.

Method used

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  • Concentration method for qualifying headings and increasing recovery rate
  • Concentration method for qualifying headings and increasing recovery rate
  • Concentration method for qualifying headings and increasing recovery rate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] as attached figure 1 As shown, after the ore is crushed, the material layer rolling crushing equipment is used for ultra-fine crushing (or coarse grinding), and the ball mill (one-stage or multi-stage grinding) is used for grinding, and other grinding equipment can also be used for the grinding machine. After grinding, the fine-grained ore is beneficiated. When the ore (or material) has a small particle size, no crushing process is required.

Embodiment 2

[0017] as attached figure 2 As shown, after the ore is crushed, an autogenous mill is used as a one-stage grinding (a ball mill can also be used for one-stage grinding). Ball mill (one-stage or multi-stage grinding), the mill can also use other grinding equipment, and fine-grained ore is beneficiated after grinding.

Embodiment 3

[0019] as attached image 3 As shown, after the ore is crushed, the material layer rolling crushing equipment is directly used as the grinding equipment, and then the fine-grained ore is directly beneficiated. When the ore (or material) has a small particle size, no crushing process is required.

[0020] The above three drawings only express three main technological processes. According to different conditions on site, different and complicated technological processes can be made correspondingly. No crushing process is required, in the attached figure 1 Among them, the ore grinding process can also be 1-3 stage grinding process, but when it is used for ultra-fine crushing, it is only necessary to configure the material layer rolling crushing equipment in front of one of the stage grinding equipment. In the above process flow, only the main process is expressed, and other processes such as classification and transportation are not expressed.

[0021] In the crushing process ...

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Abstract

An ore dressing technology for increasing the quality and recovery rate of ore concentrate includes such steps as crushing, rolling, grinding, and separating. Another two approaches are also disclosed.

Description

technical field [0001] The invention belongs to a mineral processing method, in particular to a processing method for improving the concentrate grade and recovery rate of mineral processing, and is suitable for separating useful metals from iron ore, other metal ores, non-metallic ores and industrial waste residues. Or in the process of useful ingredients and so on. Background technique [0002] The existing beneficiation methods mainly include flotation, magnetic separation, electric separation, gravity separation and so on. The process generally adopts crushing → grinding → beneficiation and other processes, and the use of different beneficiation processes mainly depends on the characteristics of the minerals. After adopting a certain beneficiation process, the main beneficiation process indicators in the actual beneficiation process include concentrate grade, tailings grade, recovery rate of useful minerals, etc. The factors that affect these beneficiation process indica...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03B1/00B03C1/005B02C19/00
Inventor 郝志刚徐毅茹
Owner 郝志刚
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