桃源水电站水轮机A级检修实践  

Class A Maintenance of Turbine at Taoyuan Hydropower Station

作　　者：杨斌 李伟 席洪军 YANG Bin;LI Wei;XI Hongjun(HydroChina Taoyuan Development Corporation Limited,Taoyuan 415700,Hunan,China;PowerChina Zhongnan Engineering Corporation Limited,Changsha 410014,Hunan,China)

机构地区：[1]中国水电顾问集团桃源开发有限公司,湖南桃源415700 [2]中国电建集团中南勘测设计研究院有限公司,湖南长沙410014

出　　处：《水力发电》2019年第10期79-83,共5页Water Power

摘　　要：灯泡贯流式水轮机具有结构复杂、检修空间受限的难点,同时安装检修效果对水轮机的稳定高效运行又有很大的影响。为研究水轮机各部件的失效规律和检修工艺,通过对桃源4号水轮机A级检修的过程总结和回顾,重点对水轮机各主要部件的缺陷、修复处理方案进行了分析和介绍,并提出了对机组检修的后评价,以及对后续其他机组A级检修的技术路线提出设想。明确了灯泡贯流式水轮机检修易损件、结构危险点,并提出了对应的检修方式和工艺。The bulb turbine has complicated structure and limited maintenance space,and the effect of maintenance and installation has a great impact on the stable and efficient operation of the turbine.In order to study the failure rule and maintenance technology of bulb turbine,the Class A maintenance of Unit 4 of Taoyuan Hydropower Station is summarized and reviewed and the defects and repair schemes of main components of turbine are analyzed.The post-evaluation of the maintenance and the technical route of maintenance for other units are put forward.Based on the maintenance practice,the vulnerable parts and structural weak points of bulb turbine are clarified,and corresponding maintenance methods and techniques are also proposed.

关 键 词：灯泡贯流式水轮机 检修 桃源水电站 

分 类 号：TM312[电气工程—电机]