“压力阱”控制方案对安注系统影响的评估——大亚湾核电站防一回路安注管线热疲劳现象改进  

Assessment for the Influence of the Pressure Well Control Strategy on the Safety Injection System——Modification for Anti-Thermal Fatigue Phenomenon in Safety Injection Pipes of the First Loop in Daya Bay NPP

作　　者：庞松涛 熊国华 周舟 

机构地区：[1]中广核研究院有限公司,广东深圳518124

出　　处：《核科学与工程》2017年第2期271-275,共5页Nuclear Science and Engineering

摘　　要：对防一回路安注管线热疲劳现象的"压力阱"功能及其对安注的影响进行了全面分析,提出了3种不同的控制和布置方案。通过查阅大量的相关资料和文献,在事故情况下,对比了3种不同方案的优缺点,确定了最优的系统设计方案。这种论证方法对于核电站专设安全设施的相关改进具有借鉴意义。The ＂pressure well＂ function preventing the thermal fatigue phenomenon of the primary loop safety injection pipeline and its effect on the safety injection are analyzed comprehensively. Three modification schemes have been put forward. After referring to lots of data and literature, The advantages and disadvantages of three different schemes under accident condition are compared, and the optimal system design scheme is determined. This demonstration method could provide reference for relevant improvement of the engineered safety features of nuclear power plant.

关 键 词：FARLEY-TIHANGE现象 专设安全设施 “压力阱” 控制系统 

分 类 号：TL48[核科学技术—核技术及应用]