大型水电机组流道汽蚀及非焊修补研究  

Research on cavitation and weldless repair of large hydro generator

作　　者：朱俊杰[1] 王占朋[1] ZHU Jun-jie;WANG Zhan-peng(Three Gorges Hydropower Plant of China Yangtze Power Co.,Ltd.,Yichang,443133,China)

机构地区：[1]中国长江电力股份有限公司三峡水力发电厂,湖北宜昌443133

出　　处：《水电站机电技术》2022年第7期8-11,169,共5页Mechanical & Electrical Technique of Hydropower Station

摘　　要：对混流式发电机组蜗壳汽蚀情况进行介绍和原因分析,并进行相关蜗壳汽蚀孔洞修复的研究,提出了一种非焊接工艺进行汽蚀孔修复的工艺。This paper introduced and analyzed the cavitation of the spiral case of the mixed flow generator set,studied the repair of the cavitation hole in the related spiral case,and put forward a weldless process for the repair of the cavitation hole.

关 键 词：混流式发电机组 汽蚀 非焊接修复工艺 

分 类 号：TK730.8[交通运输工程—轮机工程]