In actual applications, it is not uncommon to encounter the phenomenon that the noise generated by screw chiller refrigeration compressors exceeds the normal standard. Today, Anyida Refrigeration introduces some effective measures for vibration and noise reduction. Although from the research on the noise and vibration of screw chiller refrigeration compressors at home and abroad, there is little research on noise source identification, noise and vibration distribution, noise and vibration characteristics, and noise and vibration control. At present, there is no complete set of research ideas and R & D system in China. Usually, the key to identifying the vibration and noise source is to use the noise test system, and then take measures to reduce vibration and noise. But the following measures can also help everyone understand and solve the problem as a whole to a large extent.

Industrial chiller

1. On-site dynamic balancing method of industrial chiller compressor to reduce power frequency vibration.

2. Correct the coaxiality of the motor shaft and the compressor main shaft for vibration reduction.

3. Replace different forms of flexible couplings to reduce the noise of industrial chillers.

4. Fasten components, improve assembly clearance, reduce bearing vibration and reduce machine noise. A screw chiller refrigeration compressor imported by an oil field operates poorly and malfunctions.

For the abnormal operation sound among them, it is judged that the main reasons are loose fastening bolts of the compressor, poor alignment of the coupling between the compressor and the motor, and poor rotor operation. By checking the tightness of the fastening bolts to reach the specified value, adjusting the alignment of the coupling, replacing worn parts, and adjusting various assembly clearances within the specified value range, the operation sound of the industrial chiller is normal.