Technological method capable of enhancing ore dressing efficiency and ore dressing index

A process method and index technology, applied in chemical instruments and methods, solid separation, separation of solids from solids by air flow, etc., can solve the problems of low recovery rate, low concentrate grade, waste of useful mineral resources, etc. Save energy and costs, improve production capacity, and improve the effect of dissociation

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

These reasons will make it difficult to improve the beneficiation process index, the concentrate grade is low and the recovery rate is low, resulting in low economic benefits of the mine and wasting a large amount of non-renewable useful mineral resources.

Method used

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  • Technological method capable of enhancing ore dressing efficiency and ore dressing index
  • Technological method capable of enhancing ore dressing efficiency and ore dressing index
  • Technological method capable of enhancing ore dressing efficiency and ore dressing index

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] as attached figure 1 As shown, the ore or material is ultra-finely crushed (or coarsely ground) by material layer rolling crushing equipment, and the ultra-finely crushed product enters the classification process. Generally, a screening machine can be used for classification here. The under-screen particle size of the screening machine is based on the mineral. The particle size of the embedded cloth is determined, which can be selected within 1-10 mm. The coarse-grained products on the sieve can be returned to the material layer rolling crushing equipment for ultra-fine crushing again. The fine particles under the sieve enter the fine-grained tailing concentrator, and the concentrator can It is magnetic separation, electric separation, optical separation, gravity separation or flotation, etc. The tailings selected by the tailings throwing concentrator can be sent to the tailings stockpile, and the selected coarse concentrate can enter the next process, which is grinding...

Embodiment 2

[0018] as attached figure 2 As shown, the main process of embodiment 2 is basically the same as that of embodiment 1, and the difference is that embodiment 2 classifies the fine-grained product after the ultra-fine crushing classification again, and the fine powder after the classification is independently beneficiated, thus Part of the concentrate can be obtained, and part of the tailings can be removed. In this way, the grade of concentrate and the recovery rate of concentrate can be further improved, and the production capacity of the grinding process can be increased and unnecessary ore over-grinding can be reduced.

Embodiment 3

[0020] as attached image 3 As shown, after the ore is coarsely crushed, it enters the self-grinding machine (or other one-stage grinding equipment) as a one-stage grinding, and the coarse particles discharged from the self-grinding machine or the coarse particles that are classified enter the ultra-fine crushing (or Coarse grinding) treatment, the following process and attached figure 1 The difference is that the fine particles discharged from the mill are separately fine-grained.

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Abstract

The present invention is technological process with high ore dressing efficiency and goal. One of the technological process includes the steps of crushing, grinding and ore separating, and the crushing step has rolling crusher adopted and the fine grain tail eliminated. One other technological process includes the steps of crushing, grinding in a autogenous mill, grinding and ore separating. One third technological process includes the steps of crushing and ore separating. The present invention has raised ore grinding and ore separating efficiency, raised production capacity, and raised concentrate grade and recovering rate.

Description

technical field [0001] The invention belongs to a mineral processing method, in particular to a processing method for improving the efficiency and production capacity of ore grinding and mineral processing, and improving the concentrate grade and recovery rate and other indicators, and is suitable for separating iron ore, other metal ores, and non-metallic In the process of separating useful metals or useful components from mines and industrial waste residues; in addition, it is especially suitable for the development and utilization of lean ore. Background technique [0002] The existing beneficiation process is first crushing, then grinding and grading, and finally beneficiation. The process generally adopts crushing → grinding → classification → beneficiation and other processes. According to the different characteristics of each ore, different beneficiation processes can be adopted. Ores are generally composed of useful minerals and useless minerals, and in metal ores, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B02C23/12B07B9/00
Inventor 郝志刚徐毅茹
Owner 郝志刚
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