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某气体公司25000 m3/h空分设备启动时,1#膨胀机在启动过程中突然超速而联锁停车。经过4次原因排查,发现导致膨胀机超速的原因是喷嘴执行器定位器的负载弹簧脱落。详细阐述4次原因排查的经过和效果。
A gas company 25000 m3 / h air separation plant starts, 1 # expander in the process of starting suddenly speeding and interlocking parking. After 4 reasons to find out that the cause of the expander speeding is due to nozzle actuator positioner load spring off. Described in detail the reasons for the investigation and the results of four.