“华龙一号”反应堆驱动机构钩爪设计制造优化研究  

Research on the optimal design and manufacture of ACP1000 control rod drive mechanism latch

作　　者：陈西南[1] 杨方亮[1] 杨晓晨[1] 于天达[1] 邓强[1] 唐向东[1] 晋舒颜 CHEN Xinan YANG Fangliang YANG Xiaocheng YU Tianda DENG Qiang TANG Xiangdong JIN Shuyan(The Key Laboratory of Reactor System Design Technology, Nuclear Power Institution of China, Sichuan Chengdu, 610041, China)

机构地区：[1]中国核动力研究设计院核反应堆系统设计技术重点实验室,四川成都610041

出　　处：《机械设计与制造工程》2016年第10期74-78,共5页Machine Design and Manufacturing Engineering

基　　金：国防科技工业局核能开发科研项目

摘　　要：为得到寿命更长的钩爪,基于有限元仿真对"华龙一号"反应堆驱动机构钩爪的堆焊工艺进行优化。首先建立堆焊工艺仿真模型,通过仿真结果确定合理的焊接工艺和参数;然后根据优化后的焊接工艺进行零件试制,并对试验件进行金相检验、硬度检验和热态寿命试验。试验结果表明:采用钴基合金堆焊耐磨面的双齿钩爪具备较高的硬度和耐磨性,满足第三代压水堆核电厂对驱动机构运行寿命的要求。In order to get more life long for latch of ACP1000 CRDM,it simulates its welding process and obtains the optimal result. Firstly it builds the model of welding latch process,determines the bead welding technology and parameters based on the simulation results,realizes the tests according to the optimal parameters. The metallographic test,hardness test and hot life test show that the process using cobalt base alloy bead welding wear-resisting surface latch can improve the hardness and abrasion resistance,meet the operating life of driving mechanism of requirements.

关 键 词：核反应堆 控制棒驱动机构 堆焊工艺 有限元仿真 优化 

分 类 号：TL351.5[核科学技术—核技术及应用]