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为了加快安装速度,减少高空作业与仰焊工作量,刘家峡4号机的蜗壳安装采用了多节挂装的安装方法。4号机蜗壳共分35节及一个尾部。图中+x轴与钢管之间的5节为直管。蜗壳钢板厚度分别为36、
In order to speed up the installation speed and reduce the work load and Yang welding, Liujiaxia Unit 4 volute installation using multi-section mounting method. Unit 4 volute is divided into 35 sections and a tail. Figure 5 + x-axis and steel pipe between the 5 straight pipe. Volute casing thickness were 36,