In a vacuum exhaust system, sealing steam to the turbine shaft labyrinth seals must be admitted to avoid loss of vacuum.
在真空排气系统中，必须引蒸汽到汽轮机主轴迷宫式密封，以防真空损失。
2
The steamturbine drivers are warmed by slowly opening the exhaust valves.
汽轮机驱动器通过缓慢打开排气阀加热。
3
A new online model for calculating the exhaust enthalpy was proposed aiming at the limitation of existing online calculation model for calculating the enthalpy of steamturbine lp exhaust hood.