摘要
干除灰逐渐成为电厂除灰方式的主流。文章在详细阐述了干除灰系统工作原理及可编程逻辑控制器PLC的工作原理的基础上,设计了PLC控制系统。系统中,PLC可根据料位计传输过来的灰粉位置信号(高、正常、低)和仓泵上方的电接点压力表指示压力值信号,采取相应的处理措施。采用PLC的干除灰系统抗干扰能力强,操作方便,且大幅度提高了粉煤灰的综合利用率,产生了良好的社会效益和环境效益。
Dryly eliminating lime has become the mainstream method used in electric factory.This essay devises the automatically controlled system of dryly eliminating lime while elaborates working principles of the system of dryly eliminating lime and the PLC （programmable logical controller）. In the system, PLC can take corresponding procedures judged by the stuff-location signals （high, normal, low） transmitted from stuff-location-meter and the pressure signals transmitted from electric-pressure-meter assembled above store-pumps. The system based on PLC can provide more powerful anti-jamming capability, operate conveniently, enhance synthetic utilization of lime greatly and bring good social benefits and environmental benefits in return.
出处
《微计算机信息》
北大核心
2006年第12S期43-45,共3页
Control & Automation
关键词
干除灰
自动控制系统
PLC(可编程序逻辑控制器)
dryly eliminating lime,automatically-controlled system,PLC （programmable logical controller）
