大型汽轮机扣盖前的管道连接上海电力安装第二工程公司（上海２００２３３）俞仲文以往汽轮机安装中，通常先将汽轮机内部间隙调整定位、装配完毕并完成扣盖，才允许进行管道连接。随着汽轮机容量不断增大，与汽缸连接的管道数量增多、口径加大，而大型汽缸自身的刚性却相... In the past, in the installation of steam turbines, the internal clearance of the steam turbine was usually adjusted and positioned. After the assembly was completed and the cover was completed, pipe connection was allowed. As the steam turbine capacity increases, the number of pipes connected to the cylinder increases, the caliber increases, while the rigidity of the large cylinder itself increases.