汽轮机主汽门缺陷的焊补  

REPAIR WELDING OF DEFECTS FOR MAIN STOP VALVE CASING IN STEAM TURBINE

作　　者：王勇刚[1] 张忠文 

机构地区：[1]烟台发电厂,264002 [2]山东省电力科学研究院,济南市250000

出　　处：《焊接》1999年第9期28-31,共4页Welding & Joining

摘　　要：提出了100mW汽轮机主汽门阀体(ZG20CrMoV)的补焊工艺,分析了裂纹的形成原因,并应用于生产.The paper describes the repair welding procedure of defects for main stop valve casing( ZG20CrMoV) of 100MW steam turbine, analyzes the reasons of crack forming, and then puts it into production.

关 键 词：主汽门 焊补 汽轮机 焊接 

分 类 号：TK264.9[动力工程及工程热物理—动力机械及工程] TG455[金属学及工艺—焊接]