菏泽电厂#4机组自动控制系统改进

Optimization of Heze Power Plant #4 Unit Control System

本文论述了菏泽电厂 # 4机组自动控制系统组成 ,运行中经常出现的问题 ,进行了详细的原因分析 ,制定对策 ,并加以实施 ,包括取样管路敷设、防堵装置安装、气动执行机构定位器改造、增加磨煤机出口温度测点 ,以及减温水控制组态完善 ,提高了控制系统的调节品质 ,对实施后的经济效益进行了分析。

This article discusses auto control system' component of Heze Power Plant Uint 4,the main Problem what founded in unit running ,give the detailed analyse, make the measures,then taked the measures,and summarized the result.Include the following measure:lay the sampling tube,install the preventing block device,rebuild the pneumatic actuator,add the mill outlet temperature measuring point,perfect the spray temperature control system,analyse the economic benefic after action.