Control of ball mill storage pulverized coal system

XU Wei; FENG Xiaolu; SUN Jiandong; ZHANG Zhengjiang

English

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Control of ball mill storage pulverized coal system

Thermal Power Generation Vol. 43, Issue 7, Pages: 87-91(2014)

更新时间：2025-09-28

- Control of ball mill storage pulverized coal system
- 作者机构：
  
  浙江大学能源工程学系
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621
- Published：2014
- 稿件说明：
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XU Wei, FENG Xiaolu, SUN Jiandong, et al. Control of ball mill storage pulverized coal system[J]. Thermal Power Generation, 2014, 43(7): 87-91.
DOI：

XU Wei, FENG Xiaolu, SUN Jiandong, et al. Control of ball mill storage pulverized coal system[J]. Thermal Power Generation, 2014, 43(7): 87-91. DOI：

摘要

火电厂中储式制粉系统钢球磨煤机(球磨机)为多变量耦合、大滞后及非线性复杂被控对象

传统采用的3套独立PID控制系统不具有自适应性和解耦性

故自动控制效果不理想。为此

以火电厂中储式制粉系统球磨机为对象

基于预测控制对其进行了控制研究

提出了球磨机控制方法和存在问题

给出了仿真模型

并对球磨机模型预测控制与常规PID控制进行仿真比较。结果表明

模型预测控制较常规PID控制

控制效果具有显著改善。

Abstract

Ball coal mill system is a complicated object with characteristics of multi-variety coupling

nonlinear and time-delay.The conventional independent three sets of PID controlling systems have no auto adaptability and decoupling ability

so it cannot work steadily for long term and the control effect is not good.By taking the thermal power plant's ball mill pulverizing control system as the research object

the ball mill pulverizing control system's control method and existing problems were investigated

from the view of predictive control.Moreover

the simulation model was established

and simulation comparison between model predictive control and PID control was carried out.The results show that the model predictive control can obtain fairly good results.

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