600MW汽轮机高压调节汽阀典型故障分析与处理  

Analysis and Processing of Typical Faults in High Pressure Control Valve on 600 MW Turbine Units

作　　者：赵爽[1] 李西军 温文光 

机构地区：[1]内蒙古工业大学能动学院,内蒙古呼和浩特010051 [2]内蒙古岱海发电有限公司,内蒙古凉城013700

出　　处：《内蒙古电力技术》2013年第2期110-116,共7页Inner Mongolia Electric Power

摘　　要：介绍了600 MW汽轮机高压调节汽阀容易发生的阀门反馈LVDT信号错误,门杆防转销松动、断裂及阀芯脱落,伺服阀故障,快速卸荷阀工作不正常等典型故障的现象与判定方法,分别分析了造成上述故障的原因,同时给出了相应的处理措施及处理过程中的注意事项。The high pressure control valves of 600 MW steam turbine easily occured valve feedback LVDT failure, valve stem anti-rotation pin loosening, fracture and the valve core dropped-off fault, servo valve fault, fast unloading valve fault, etc. The paper introduced the phenomenon and determinant methods respectively, analyzed the causes of the faults, also gave the points for attention treatment measures and the corresponding treatment process.

关 键 词：600 MW汽轮机 高压调节汽阀 油动机 线性可变差动变送器 阀芯 快速卸荷阀 伺服阀 

分 类 号：TK267[动力工程及工程热物理—动力机械及工程]