水轮机叶片裂纹产生原因及对策  

The Generation of Cracks in Hydraulic Turbine Blades and Its Countermeasure

作　　者：肖绍文 

机构地区：[1]福州大学机械工程及自动化学院,福建福州350002 [2]福建水利电力职业技术学院,福建永安366000

出　　处：《湖南工业职业技术学院学报》2017年第5期5-7,共3页Journal of Hunan Industry Polytechnic

基　　金：福建省教委科研基金"普通车床经济型数控化改造的研究和分析"(项目编号:JA14415)

摘　　要：水轮机叶片裂纹普遍存在,严重的裂纹将对电站造成较大的安全隐患。本文通过对水轮机转轮叶片运行过程中产生裂纹的原因分析,得出焊接工艺不佳与设计缺陷通常是叶片裂纹产生的主要原因。此外介绍了水轮机叶片裂纹修复的方法,处理后运行中未在出现裂纹,取得了良好的效果。The cracks is prevail among hydraulic turbine blades, and the severe cracks threatens the safety of power station. Through analyzing the reason of the cracks in hydraulic turbine blades, it is concluded that the cracks are mainly induced by welding defect and the weaknesses of design. Besides, the method of repairing the cracks in hydraulic turbine blades is introduced, and cracks have never appeared in future after being repaired.

关 键 词：水轮机叶片 裂纹 焊接 

分 类 号：TK733.3[交通运输工程—轮机工程]