压水堆环形燃料组件研发综述  

Overview of Annular Fuel Applied in PWR Nuclear Power PlantResearch Progress

作　　者：冯海宁[1] 赵瑞瑞[1] 王虹[1] 史宝磊[2] 何晓军[2] FENG Hai-ning;ZHAO Rui-rui;WANG Hong;SHI Bao-lei;HE Xiao-jun(China North Nuclear Fuel Company,Ltd.,Baotou,Innermongolia Prov.014035,China;China institute of atomic energy,Beijing 102413,China)

机构地区：[1]中核北方核燃料元件有限公司,内蒙古包头104035 [2]中国原子能科学研究院,北京102413

出　　处：《中国核电》2020年第6期759-764,共6页China Nuclear Power

摘　　要：环形燃料是一种由两层包壳和环形芯块构成的内、外两面冷却的新型、高效、安全的燃料元件,能够在保持或增进现有反应堆安全性能的前提下,大幅提高核核电厂功率密度20%~50%,是高性能压水堆核燃料的主要发展趋势之一。本文对环形燃料概念的提出、环形燃料的技术优势、国内外环形燃料的相关研究进行了概述,重点进行了中核北方压水堆环形燃料制造技术分析,并对环形燃料的发展进行了展望。As one of the main trends in development of the high performance PWR fuel,the internally and externally cooled annular fuel,which is consist of two cladding and annular pellets,is proposed to be able to increase power density 20%to 50%while maintaining or improving safety margins comparable to currently operating PWR plants.In this paper,the concept and technical advantages of annular fuel are performed,the research and analysis of annular fuel at home and abroad are summarized,the characteristics and research progress in CNNFC of annular fuel manufacturing technology are introduced,and the development of annular fuel is forecasted.

关 键 词：环形燃料 制造技术 高性能 

分 类 号：TM623[电气工程—电力系统及自动化]