高温气冷堆燃料元件用天然石墨粉体制备研究  

Study on Preparation of Natural Graphite Powder for Spherical Fuel Elements of High-Temperature Gas-Cooled Reactor

作　　者：冯欲晓 白娟 李呼斯勒 申克 黄正宏[3] Feng Yuxiao;Bai Juan;Li Husile;Shen Ke;Huang Zhenghong(Inner Mongolia Jincai Mining Co.,Ltd.,Hohhot,Inner Mongolia 010000;College of Materials Science and Engineering,Hunan University,Changsha,Hunan 410082;School of Materials Science and Engineering,Tsinghua University,Beijing 100084)

机构地区：[1]内蒙古金彩矿业有限公司,内蒙古呼和浩特010000 [2]湖南大学材料科学与工程学院,湖南长抄410082 [3]清华大学材料学院,北京100084

出　　处：《非金属矿》2020年第2期70-72,共3页Non-Metallic Mines

基　　金：内蒙古自治区科技重大专项《高温气冷堆核级石墨粉体产业化制备技术研究》项目。

摘　　要：根据高温气冷堆燃料元件基体石墨对天然石墨粉体的要求,开展了浮选、高温-化学纯化、颗粒形貌修饰-分级、均匀化等方面的工业化制备技术研究,成功研制出可受控制的、品质均一的、经工艺性能检验符合技术指标要求的核级天然鳞片石墨粉体,并对影响天然鳞片石墨粉体性能较大的制备工艺技术进行了分析探讨。According to the requirements of natural graphite for matrix graphite of spherical fuel elements of high-temperature gas-cooled reactor(HTR),research on industrial preparation technology such as beneficiation,high temperature-chemical purification,particle shape modification-classification and homogenization was carried out.The nuclear grade natural graphite powder with controlled quality was obtained.The properties of such powder meet the technical requirements of HTR.The factors which affect the performance of natural graphite powder is analyzed and discussed.

关 键 词：天然石墨 核级天然石墨粉体 高温-化学纯化 制备 

分 类 号：TD975[矿业工程—选矿]