堆芯中子注量率测量系统核级阀门的型式试验

堆芯中子注量率测量系统是30万千瓦核电厂监测系统的重要组成部分。该系统中的手动阀、止回阀和电动阀(阀体)属于核级阀门。介绍了堆芯中子注量率测量系统的组成和功能,并根据ASMEQME-1—2002规范从试验项目、环境条件和考核指标等方面对手动阀、止回阀和电动阀提出了型式试验技术要求。制造厂根据型式试验技术要求制定了手动阀、止回阀和电动阀试验大纲,并对样机进行了型式试验和检验,试验结果满足试验大纲要求。

Type Test of Nuclear Valve of In-core Neutron Infusing Rate Measurement System

In-core neutron infusing rate measurement system is one of the important parts of 300 000 kW nuclear power station.The manual valve,check valve,and motorized valve of the system are nuclear safety class equipments.The composition and function of the in-core neutron infusing rate measurement system was introduced.The type test technical requirements of the manual valve,check valve,and motorized valve were put forward according to ASME QME-1—2002 from the aspects of test item,environmental condition,and checking indicators.Test program of the manual valve,check valve,and motorized valve were established by manufacturer according to the type test technical requirements.The type tests and verification were carried out on prototypes.The results showed that the valves meet the requirements of the test program.