Intelligent hierarchical control method and control device for ore grinding in concentration plant

A hierarchical control and concentrator technology, applied in the direction of comprehensive factory control, comprehensive factory control, electrical program control, etc., can solve the problems of large errors and low efficiency

Inactive Publication Date: 2011-01-19
NORTHERN ENG & TECH CORP MCC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, most concentrators adopt simple automatic control on the grinding and grading part, and even still use manual control, which not only has low efficiency, but also has large errors

Method used

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  • Intelligent hierarchical control method and control device for ore grinding in concentration plant
  • Intelligent hierarchical control method and control device for ore grinding in concentration plant
  • Intelligent hierarchical control method and control device for ore grinding in concentration plant

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Embodiment Construction

[0063] The specific implementation manner of the present invention will be further described below in conjunction with the accompanying drawings.

[0064] Such as figure 1 As shown, the grinding process is generally divided into two stages of grinding and classification. The first stage of grinding generally adopts self-grinding or semi-self-grinding method, and the larger ore brought by the mining plant is initially ground, and the ground iron ore slurry is classified by a cyclone, and its overflow flows to the next The bottom flow is returned to the first stage of self-grinding machine for re-grinding. The second-stage grinding adopts the ball milling method. The iron ore that has been ground in the first-stage self-grinding machine is continued to be ground, and then classified again through the second-stage cyclone. The overflow flows to the beneficiation process, and the bottom flow returns to the second Segment ball mill for regrinding.

[0065] Such as figure ...

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PUM

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Abstract

The invention relates to the technical field of ore grinding control in a concentration plant, in particular to an intelligent hierarchical control method and a control device for ore grinding in a concentration plant. The control method comprises the following program processes: controlling system initialization; judging whether ore feeding quantity control is implemented or not; implementing ore feeding quantity PID control; judging whether ore water feeding control is implemented or not; implementing the ore water feeding control; judging whether ore water discharging control is implemented or not; implementing the ore water discharging control; judging whether cyclone inlet pulp density and water replenishing cascade control is implemented or not; judging whether pump sump liquid level control is implemented or not; implementing the pump sump liquid level control; judging whether the ore grinding process is finished or not; finishing the ore grinding process; judging whether to return or not; and carrying out interconnected control on each processing device. The device comprises an upper computer, a lower computer, a detecting instrument and an executing mechanism. The invention enables the system to have the characteristics of high control accuracy, high regulating speed, strong interference resistance, stability, reliability and the like, accurately regulates the operating parameters in real time, and improves the working efficiency and the product quality of grinding classification.

Description

technical field [0001] The invention relates to the technical field of ore grinding control in ore dressing plants, in particular to an intelligent classification control method and control equipment for ore grinding in ore dressing plants. Background technique [0002] The ore grinding process is mainly to grind the ore into fine-grained particles and provide it to the mineral processing process to prepare raw materials that meet the particle size of the mineral processing process for the mineral processing process, which is the preparation process for the mineral processing process. After the ore is physically ground and classified, the particles become smaller to a certain extent, so that the monomer dissociation of the ore can be achieved or approximate to the monomer dissociation. Theoretically speaking, the finer the grinding particle size, the more conducive to the metal recovery of the beneficiation process and metal enrichment. Therefore, the ore grinding process ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 刘海明张强姜珊
Owner NORTHERN ENG & TECH CORP MCC
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