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.
2
合理选择结构可以有效地减少高低齿汽封的漏汽量,从而提高机组的经济性。
It could decreased leakage effectively by choosing the glands appropriately, so that the economy of steam turbine could be improved.
3
分析了200 MW汽轮机轴封系统漏汽的原因,介绍了改进后轴封系统的工作原理和运行控制过程。
Analyses the causes of shaft gland leakage of 200mw steam turbine. Introduces the operation principles and control process of improved system.