The cutting method, installation and welding technique of the expansion joint of spiral case of No. 5 generating unit of Long-tan Hydropower Station have gained good effectiveness, which can be used for reference for the similar generating unit.
The cutting method, installation and welding technique of the expansion joint of spiral case of No. 5 generating unit of Long-tan Hydropower Station have gained good effectiveness, which can be used for reference for the similar generating unit.
龙滩水电站安装完毕的5号机蜗壳凑合节的下料方法、安装与焊接工艺都取得了良好的效果，对同类机组会有一定的借鉴作用。