350MW汽轮机高压调节阀无法关闭问题的分析及处理  

Failure Analysis and Treatment of High Pressure Control Valve Unable to Close on 350MW Steam Turbine

作　　者：赵海军 ZHAO Hai-jun(Dong Fang Steam Turbine Co.,Ltd.)

机构地区：[1]东方汽轮机有限公司,四川德阳618000

出　　处：《电站系统工程》2021年第4期63-65,共3页Power System Engineering

摘　　要：对某350MW汽轮机高压调节阀低阀位无法关闭问题进行了详细原因分析,参照原因分析进行了逐项检查,发现问题为阀门执行机构左侧连接杆接头松脱、尺寸偏差,通过采取针对性的处理措施,高压调节阀故障得到解决。The problem that high pressure control valve of a 350 MW steam turbine can not be closed in the low valve position is analyzed, examine each item to the reason analysis, find the problem is loose and dimensional deviation of the left connecting rod of the valve actuator, take targeted measures, the failure of high pressure control valve is solved.

关 键 词：汽轮机 高压调节阀 无法关闭 阀门执行机构 松脱 

分 类 号：TK267[动力工程及工程热物理—动力机械及工程]