600MW核电机组主汽阀阀碟断裂事故浅析

Accident analysis of Stop Valve Disc Fracture in 600MW Nuclear Power Unit

介绍海南核电有限公司1号机组2号主汽阀阀碟断裂事故及处理过程,分析主汽阀缺陷产生的原因,并就主汽阀维护管理工作提出建议。

The fracture accident and treatment process of the valve disc of No.2 stop valve disc of unit 1 in Hainan Nuclear Power Company Limited was introduced in this paper.The causes of stop valve defects were also carefully analyzed,and some suggestions on the maintenance and management of stop valves were put forward.