主泵集液盘在热态功能试验期间异常溢流原因分析及处理措施

Cause Analysis and Treatment Measures of Abnormal Overflow of Main Pump Sump During Thermal Function Test

本文主要介绍了某核电厂反应堆冷却剂系统在1号机组第一阶段热态功能试验期间主泵集液盘发生的异常溢流现象,对其原因进行了详细分析,采取了临时措施确保第一阶段热试试验完成,并提供了最终解决方案,确保了后续机组的安全运行,同时为使用同类产品的厂家、设计等单位提供了参考材料。

This paper mainly introduces the abnormal overflow phenomenon of the main pump sump during the first stage thermal function test of a nuclear power plant reactor coolant system,analyzes the reasons in detail,takes temporary measures to ensure the completion of the first stage thermal test,and provides the final solution to ensure the safe operation of subsequent units,at the same time,provides reference materials for manufacturers and design units using similar products.