秦山30万千瓦机组主汽门卡涩原因分析及对策研究  

Analysis of the Reasons for the Sticking of the Main Steam Valve in the 300,000 kW Unit of Qinshan Nuclear Power Plant and Research on Countermeasures

作　　者：夏中朝 Xia Zhongchao(Qinshan Nuclear Power Co.,Ltd.,Haiyan,Zhejiang,China,314300)

机构地区：[1]秦山核电有限公司,浙江海盐314300

出　　处：《仪器仪表用户》2024年第8期58-60,共3页Instrumentation

摘　　要：文章针对秦山核电有限公司350 MW机组2#主汽门在重要阀门全行程动作试验期间出现的卡涩问题,根据故障现象和系统参数以及对主汽门油动机原理图进行分析,找出了主汽门卡涩的原因,并提出了解决办法,收到了良好的效果,保证了机组的安全经济运行。The article addresses the issue of sticking encountered in the full-stroke movement test of the crucial valve 2#main steam valve for the 350 MW unit at Qinshan Nuclear Power Company Limited.Through analyzing the fault phenomenon,system parameters,and the schematic diagram of the main steam valve servo-motor,the cause of the sticking was identified.Solutions were proposed and implemented,achieving satisfactory results and ensuring the safe and economic operation of the unit.

关 键 词：重要阀门全行程试验 卡涩 油动机 

分 类 号：TK263.8[动力工程及工程热物理—动力机械及工程]