特大型金属蜗壳安装技术

Erection technique of king-sized metal spiral case

随着中国综合国力的不断提高,中国的水电事业也蓬勃发展,一大批大型水电站相继建成投产或正在建设或等待上马。结合五强溪、二滩、三峡左岸电站等大型水电站水轮机金属蜗壳安装及焊接工艺等,阐述特大型金属蜗壳安装技术,供大家探讨。

With the continuously enhancement of the national power of China, the hydropower industry is also being developed vigorously. A great number of large-sized hydropower projects have been completed or under construction or proposed to be built. In combination with the installation and welding procedures of turbine spiral cases for huge hydropower stations, such as Wuqiangxi, Ertan and Three Gorges, etc. , this paper describes the erection technique of king-sized metal spiral cases and presents proposals for discussion.