In the last several stages diaphragms of steam turbine LP casing, there are two typical diaphragm gland configurations-low diameter seals and opposite-teeth labyrinth.
在汽轮机低压末几级隔板中，有两种比较典型的汽封结构形式——低直径汽封和对齿迷宫式汽封。
2
The shafting vibration is caused by non-stability of shafting thermal state center produced by impeded casing expansion and steam leakage of the shaft gland.