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Grinding system intelligent optimization initialization method based on case ratiocination

A technology of intelligent optimization and setting method, applied in general control systems, control/regulation systems, electrical and digital data processing, etc.

Inactive Publication Date: 2005-04-06
NORTHEASTERN UNIV
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

At present, the conventional grinding control method can only realize the basic loop control of new ore feed, overflow concentration, and inlet water addition, but cannot give the optimal setting value of the basic control loop according to the target of the grinding particle size index

Method used

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  • Grinding system intelligent optimization initialization method based on case ratiocination
  • Grinding system intelligent optimization initialization method based on case ratiocination
  • Grinding system intelligent optimization initialization method based on case ratiocination

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Embodiment Construction

[0135] The embodiment of the present invention is a grinding series of the weak magnetic roasted ore of a large-scale iron ore concentrator. The main iron ores of this concentrator are pyrite and limonite, and the gangues are mainly barite, quartz, jasper and iron dolomite. The actual iron content of the ore is 33%. After sorting, the weak magnetic ore After the roasting process, it is transported to the weak magnetic separation cylinder bin. The schematic diagram of the grinding system is as follows figure 1 As shown, the roasted ore in the weak magnetic separation cylinder is discharged by the electric vibration feeder, and then sent into the ball mill by the ore belt conveyor, mixed with the additional water at the entrance of the ball mill, and ground into a pulp in the ball mill. The ore grinding adopts a grid type ball mill. The ore discharge of the ball mill and the supplementary water at the outlet of the ball mill enter the spiral classifier. The spiral classifier ret...

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Abstract

It is an intelligent optimization method based on case ration of mine grinding system and belongs to automatic control technique field, which comprises the following steps: overfall particle flexible measurement, aided variable selection, main variable selection, boundary condition identification, case expression, initial case acquiring, case ration, case storage and maintenance. This invention gives the optimization set values of control circuit of new mine given amount, overfall concentration, entrance water add amount according to the index of the mine particle concentration and makes mine grating system at optimized working state to get the qualified mine product.

Description

technical field [0001] The invention belongs to the technical field of automatic control, and in particular relates to a method for intelligently optimizing and setting a basic control circuit of a wet grinding system composed of a ball mill and a spiral classifier for grinding ore in a grinding section of a dressing plant. Background technique [0002] As far as the mineral processing field is concerned, the basic task of the grinding operation is to crush the mineral raw materials to a suitable particle size, to dissociate the useful mineral components from the gangue, or to separate different useful mineral components from each other, and to provide raw materials for the subsequent mineral processing process. The wet grinding circuit composed of a ball mill and a spiral classifier is widely used to grind ore to the particle size range required by the process. Too large or too small particles will have an adverse effect on the subsequent sorting process. Since each benefic...

Claims

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Application Information

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IPC IPC(8): G05B13/02G05B15/02G06F15/18
Inventor 赵大勇岳恒柴天佑丁进良周平
Owner NORTHEASTERN UNIV
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