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5. 鼓91视频下载免费以外引起的噪音；
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   　　Answer: if you want to solve the problem of high fan noise, you need to check the causes of high noise according to the purpose and installation environment of the fan! Solve the noise problem according to its different noise sources! Because our factory mainly produces and sells roots blower, fountain aerator and annular blower! We don't know much about other fan equipment. Today, I will share with you the solutions to the high noise of our fan equipment!

   　　Treatment of the noise of Roots blower

   　　The noise source of Roots blower is mainly friction sound and vibration sound! The solution to the noise of Roots blower is to install a silencer at the inlet and outlet of the blower, or to install a sound proof cover and sound proof room separately for the blower! If the fan noise is not high, but the pipe vibration is high, it will cause noise problems! A flexible joint can be installed between the fan silencer and the pipe! So as to reduce the vibration of Roots blower transmitted to the pipeline!

   　　How to deal with loud fan noise

   　　Treatment method for high noise of annular fan

   　　The noise sources of annular fan generally include the following situations:

   　　Noise due to blade rotation;

   　　Noise generated by eddy current;

   　　Noise caused by turbulent flow in air duct;

   　　The air duct shell produces resonance and noise;

   　　Noise outside the blower;

   　　You can judge the noise source according to the actual operation of your annular fan, so as to implement different solutions! Do not change the fan at will! At the same time, you can also contact your own fan purchase channel to help solve the noise problem!