百万电厂过热器减温水调节阀故障原因分析  

Cause Analysis of Superheater Desuperheating Water Regulating Valve Failure in Million Power Plant

作　　者：张立德 

机构地区：[1]皖能铜陵发电有限公司,安徽铜陵244012

出　　处：《安徽电气工程职业技术学院学报》2014年第3期84-87,共4页Journal of Anhui Electrical Engineering Professional Technique College

摘　　要：皖能铜陵发电厂百万机组一、二级过热器减温水调节阀在运行中频繁出现填料函泄漏的问题。对减温水调节阀进行分析,找出主要原因。结果表明:填料函泄漏主要源于阀门结构。通过实验找出最佳控制方案,采取相应措施后取得了很好的效果,可为处理电厂大容量机组过热器减温水系统调节阀故障提供参考借鉴。The one or two stage superheater desuperheating water regulating valve of the million power units has occurred the stuffing box leakage problems frequently in operation in Wenergy Tongling Power Generation Co ., Ltd..The desuperheating water regulating valves are analyzed , to find out the main rea-son .The results show that the stuffing box leakage mainly dues to the valve structure .The optimal control scheme is found through experiment .After taking corresponding measures , the good result is achieved , to provide a reference to handle the failure of the superheater desuperheating water regulating valve of large capacity units in power plant .

关 键 词：过热器减温水系统 调节阀 填料函泄漏 

分 类 号：TK223.32[动力工程及工程热物理—动力机械及工程]