高温气冷堆大口径核级氦气隔离阀密封结构研究  

Research on Sealing Structure of Large Diameter Nuclear Helium Gas Isolation Valve for High Temperature Gas-cooled Reactor

作　　者：汤晓刚 王悦琴 高志岗 张易阳[2] 吴莘馨[2] TANG Xiao-gang;WANG Yue-qin;GAO Zhi-gang;ZHANG Yi-yang;WU Xin-xin(CNNC SUFA Technology Industry Co.,Ltd.,Suzhou 215151,Jiangsu,China;Institute of Nuclear and New Energy,Tsinghua University,Beijing 100084,China)

机构地区：[1]中核苏阀科技实业股份有限公司,江苏苏州215151 [2]清华大学核能与新能源技术研究院,北京100084

出　　处：《阀门》2023年第3期356-360,共5页VALVE MAGAZINE

摘　　要：阐述了高温气冷堆大口径核级氦气隔离阀的漏率指标,并通过对氦气隔离阀样机的密封结构进行研究,设计并制造了多种主密封结构试验件进行试验,结合试验件的试验情况,选取密封性能稳定可靠的密封结构运用至样机上,最终样机的内漏及外漏密封性能通过试验得到验证,为高温气冷堆大口径核级氦气隔离阀密封结构的设计及其他低漏率要求阀门密封结构的设计提供借鉴。The leakage rate index of large-diameter nuclear grade helium isolation valve in high temperature gas cooled reactor is described.Through the research on the sealing structure of helium isolation valve test piece,a variety of main sealing structure test pieces are designed and manufactured for test.Combined with the test conditions of the test pieces,the sealing structure with stable and reliable sealing performance is selected and applied to the prototype.The internal and external leakage sealing performance of the final prototype is verified by the test,It provides a reference for the design of sealing structure of large-diameter nuclear helium isolation valve in high temperature gas cooled reactor and other valve sealing structures with low leakage requirements.

关 键 词：高温气冷堆 大口径 氦气隔离阀 低泄漏 试验验证 

分 类 号：TH134[机械工程—机械制造及自动化]