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How to check the noise of water chiller

2019-06-04

Almost everyone is quite sensitive to noise. When there's a lot of noise, we tend to lose focus on everything we do, and our mood can be quite irritable. If the machine has noise, also need to find the fault point in time. If you let it make a lot of noise, it won't be long before the machine breaks down. What are the common causes of chiller noise?

It may be that when the blades rotate, there will be friction or impact with the air, that is to say, the high-pitched resonance. It is suggested that the number of blades between the two fans should not be the same. During the operation of the fan, a vortex will be generated on the back of its power. This vortex will not only reduce the efficiency of the fan, but also generate noise. In order to alleviate this phenomenon, great care should be taken during installation that the blade mounting Angle should not be too large and the blade bending should be smooth.

The noise of the chiller fan may also be caused by the resonance with the air duct shell. Duct and the fan shell side seams should level off, try to avoid rough, or it will send out the voice of tear, and at the time of design, can be attached on the outside of the air duct insulation material, it can effectively reduce the noise, in addition to these a few respects we mentioned just now, there are a lot of noise source, for example, bearing because not enough precision, inadequate or improper assembly maintenance can cause abnormal noise, some part of the motor will produce noise, some because of poor design, and some because of poor quality control.
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