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离心压缩机的喘振Second, the centrifugal compressor surge:()

A.
现象:压力、流量大幅度变化;吼叫;振动强烈。 Phenomenon: pressure and flow change greatly; Roar; The vibration is strong.
B.
危害harm:强烈振动破坏密封部件及轴承、叶轮等运转部件。Strong vibration damages sealing parts and bearing, impeller and other running parts.
C.
防止方法prion method:保证Q1>Qmin,工作点压力低于喘振点压力。Ensure Q1>Qmin, working point pressure is lower than surge point pressure.
D.
防止方法prion method:当Q1
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