某非能动压水堆核电厂核岛系统冲洗临措管理研究

在核电厂系统和设备安装完成后,进行设备调试前,需将系统管道进行冲洗或吹扫以保证清洁度满足要求。非能动核电机组由于其设计上的独特性,在系统冲洗时需要特殊的临时措施才能完成。该文介绍国内某非能动核电机组在核岛系统冲洗时所涉及到的临时措施,以及从设计、采购、施工及冲洗实施等方面,如何做好临时措施管理进行探究,以保证临时措施能够可靠、安全地保证系统冲洗需求,并介绍系统冲洗过程中临时措施发生的一些问题及经验反馈,为后续机组系统冲洗提供指导。

Nuclear Plant systems need to be flushed after finishing the installation of system and equipments before the system commissioning.Passive Nuclear Plant needs unique temporary modifications because of its unique feature.The article introduces the Nuclear Island system flushing temporary modifications of Passive Nuclear Plant in our country,researching the temporary modifications management from design,purchase,installation and commissioning of system flushing temporary modifications,to make sure the system flushing can be done with high reliability and safety.Also the article shows some system flushing problems and experience feedback,providing guidance for following nuclear units system flushing.