电厂化学水处理DCS的应用研究  

DCS application in chemical water treatment of power plant

作　　者：许琦[1] 杨向东[1] 孙国良[1] 任志平[1] 

机构地区：[1]国电谏壁发电厂,江苏镇江212006

出　　处：《中国电力》2005年第7期61-63,共3页Electric Power

摘　　要：国电谏壁发电厂为全面提升水汽处理的自动化水平,提高水汽品质,满足热力设备长期稳定、安全、经济运行的需要,进行了300MW机组化学水处理分散控制系统(DCS)的应用研究。将DCS应用于电厂化学水处理系统,解决了一些目前同类程控系统难以解决的问题。在项目实施过程中针对国电谏壁发电厂化学水处理DCS应用的技术难点,充分发挥了DCS固有的技术优势,实现了锅炉内、外水汽品质的全面、集中、综合控制。化学水处理DCS的应用,拓展了控制范围,实现了较复杂的控制策略,对实现电厂DCS管控一体化有借鉴作用。In order to promote the automatic level of steam and water treatment,improve the steam/water quality and meet the requirements of long-term stability,safety,economy for thermal power equipment operation,Guodian Jianbi Power Plant introduced DCS in chemical water treatment and solved some problems in system realization.The inherent technical predominance of DCS is fully utilized to realize overall and integrated control for steam and water quality inside/outside the boiler.DCS application in chemical water treatment extends the scope of control,realizes some sophisticated control theory and provides reference to the integration of management and control for power plant DCS.

关 键 词：电厂 化学水处理系统 分散控制系统 预诊断专家系统 

分 类 号：TM621[电气工程—电力系统及自动化]