Analysis and diagnosis of causes of excessive noise and vibration of compressor units

2019-05-07View Original

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The noise of the compressor is mainly the dynamic noise of the inlet and outlet gas, the mechanical noise generated by the movement of mechanical parts and the electromagnetic noise of the drive motor. The mechanical noise is generated by the vibration of the unit, which we need to analyze. The causes of vibration include the following categories: (1) The anchor bolts of the unit are loose ； (2) The rotor system is unbalanced and causes vibration. ； (3) The motor and compressor are not properly aligned ； (4) Compressor motor vibration ； (5) The resonance of the unit’s process pipeline causes the unit’s vibration to intensify ； (6) Compressor bearings are worn or damaged ； (7) Inhale liquid refrigerant.

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Analysis and diagnosis of causes of excessive noise and vibration of compressor units

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