宁德核电厂蒸汽发生器装拆堵板的辐射防护最优化管理

摘要

蒸汽发生器一次侧水室装拆堵板是压水堆核电站大修的一项重要工作，具有较大的辐射风险。本文主要介绍了宁德核电站在安装和拆卸堵板工作中，实施辐射防护最优化的方法及效果。%The removal and installation of nozzle dams (RIND ) at primary water chamber of steam generator (SG ) is one of the essential maintenance jobs ,with high radiation risk during outage at a PWR nuclear power plant .This paper introduces the method and effect of implementing ALARA principle for RIND by radiation protection (RP) staff at Ningde nuclear power plant .