正常停机：机组正常停机按如下程序进行操作。
Normal shutdown: The normal shutdown of the unit shall be carried out according to the following procedure.
1、逐步打开放空阀(或出口旁通阀)，同时逐步关闭排气阀。
1. Gradually open the vent valve (or outlet bypass valve) while gradually closing the exhaust valve.
2、逐步关小进气节流门至20～25°。
2. Gradually close the intake throttle valve to 20-25 °.
3、按动停机按钮，并注意停机过程中有无异常现象。
3. Press the shutdown button and pay attention to any abnormalities during the shutdown process.
4、机组停止5~10min后，或者轴承温度降到45℃以下时可停止供油。对于具有浮环密封的机组，密封油泵必须继续供油，直至机体温度低于80℃为止。
4. After the unit stops for 5-10 minutes, or when the bearing temperature drops below 45 ℃, the oil supply can be stopped. For units with floating ring seals, the sealing oil pump must continue to supply oil until the body temperature is below 80 ℃.
机组停止后，在2～4小时内应定期盘动转子180°。
After the unit stops, the rotor should be periodically turned 180 ° within 2-4 hours.