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Optimized control method for milling process in cement plant

A process optimization and control method technology, applied in the direction of adaptive control, general control system, control/regulation system, etc., to achieve the effect of reasonable structure, convenient operation and stable fineness

Inactive Publication Date: 2012-04-04
XIAN IBL TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when controlling the fineness, it mainly depends on the operator's experience to control the feeding amount, and it is difficult to maximize the output under the condition of qualified quality.

Method used

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  • Optimized control method for milling process in cement plant
  • Optimized control method for milling process in cement plant
  • Optimized control method for milling process in cement plant

Examples

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Embodiment

[0060] The type of cement mill in a cement factory is a closed-circuit mill. The mill size is: 3.2m×13m, with two warehouses. The design output is 60t / h, the maximum ball loading capacity is 133 tons, and the grinding head is equipped with a roller crushing system. . The process flow of the grinding production process is as follows: the materials with a good ratio are transported to the 40t small silo at the front end of the roller press through the elevator, the materials are squeezed by the roller press and lifted to the breaker, and the broken materials There are two flow directions. The coarser materials are sent to the 40t small silo by the transmission equipment, and the suitable materials enter the grinding head silo, and are sent to the mill for grinding through the rotor quantitative feeding scale; the finished cement is coarsely powdered by the powder classifier. In the process of separation and dust removal, the finished products with qualified fineness are sent to ...

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Abstract

The invention discloses an optimized control method for the milling process in cement plant, which realizes the automatic control of the charge level and the distribution thereof, the automatic control of cycling load and the automatic control of ventilation quantity through collecting the milling process signal with the based on advanced control. The invention also realizes the optimizations of each charge level into the mill, the material flow rate, the cycling load and the ventilation quantity, thereby outputting and controlling the feeding quantity, the rotation speed of the power concentrator and the rotation speed of fan. The invention makes an integral optimization for the milling process and realizes the running when the milling process lies in the maximum state or the running under the minimum milling consumption. Meanwhile, the invention can diagnose the fault of the milling process, evaluate the safety of the milling process, value and analyze the running of the milling process and propose reasonable suggestions for the operation of milling process, thereby guaranteeing constant, stable, safe and economic running for the milling process. The invention can be widely applied to the milling process in cement plant or to the milling processes of other industries with similar techniques.

Description

technical field [0001] The invention relates to the technical field of automatic control, in particular to an optimization control method for the grinding process of a cement plant. Background technique [0002] The cement production process needs to control the chemical composition of the product (content of calcium, iron, sulfur, etc.), control the fineness (or specific surface area) of the product, and at the same time increase the output of the grinding production process while meeting the quality requirements. [0003] At present, the microcomputer batching system adopted by our country's cement plants has realized the control of the proportion of each material, so that the chemical composition in the production process can meet the qualified requirements. However, when controlling the fineness, it mainly depends on the operator's experience to control the feeding amount, and it is difficult to maximize the output under the condition of qualified quality. Contents of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B13/04
Inventor 徐宝平崔栋刚
Owner XIAN IBL TECH DEV
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