分布式钠泄漏探测器问题分析及改进

The analysis and improvement of distributed sodium leak detector

快堆采用金属钠作为冷却剂,金属钠具有许多优良特性,非常适合用于快堆堆芯冷却;但钠化学性质活泼,在高温下发生泄漏可能带来严重后果,因此监测是否存在钠泄漏情况是很有必要的。本文通过阐述快堆分布式钠泄漏探测器安装及调试情况并结合ECS700集散控制系统的使用情况,分析后续机组调试和运行阶段可能出现的钠泄漏探测异常原因,并提供钠泄漏探测器改进方案和参考。

Fast reactor uses metallic sodium as a coolant,which has many excellent characteristics and is very suitable for cooling the core of the fast reactor;However,sodium has active chemical properties,sodium may cause serious consequences if it leaks at high temperatures,so it is necessary to monitor whether there is a sodium leak.This article elaborates on the installation and debugging of the distributed sodium leak detector for the fast reactor,combined with the use of the ECS700 distributed control system,analyzes the possible causes of abnormal sodium leak detection during the subsequent unit debugging and operation stages,and provides improvement plans and references for the sodium leak detector.