核电站安全壳隔离用地坑阀优化设计

Optimal Design of Pit Valve for Isolation of Nuclear Power Plant Containment

介绍了安全壳隔离用地坑阀的功能特点,分析了地坑阀的结构性能,确定了改进型地坑阀密封壳形式、阀门结构及半封闭密封壳的改进方向。

This paper introduces the function characteristics of the pit valves for containment isolation,analyzes the structural characteristics of the former pit valves,determines the containment form of the modified pit valves and valve body structure,and the improvement direction of the half-package sealing containment.