How to deal with Roots fan noise
羅茨風機在使用的過程中產生噪音是難免的，那么對于這些噪音來說我們應該如何處理呢？羅茨風機小編帶您了解一下。
1、Installation of muffler
In general, the aerodynamic noise radiated from the fan air intake and exhaust ports is 10-20dB(A) higher than the noise radiated from other parts, therefore, when controlling the fan noise, the first thing to do is to install appropriate mufflers on the air intake and exhaust official channels.
The muffler is used on the fan, at present, domestic and foreign countries tend to use the resistive muffler, and the muffler with larger volume and narrower muffling channel has been seldom used, of course, the muffler selection, design and installation should be carried out according to the actual situation.
2. Establishment of acoustic enclosures
The use of acoustic enclosure measures, that is, the entire fan unit with a closed acoustic enclosure surrounded. The technical key is to use what kind of cooling measures to ensure the normal operation of the fan. At present, both at home and abroad to use air-cooled method for **** common. The main forms of cooling are: self-fan ventilation cooling method, negative pressure suction cooling method, hood air circulation ventilation cooling method and external mechanical ventilation cooling method.
3. Modification of the fan room
如果風機組有專門的風機房，則可以結合現場情況，采取將已有的風機房改造成隔聲間的方法。即把羅茨風機封閉在風機房內使其噪聲傳不出去。主要技術措施是采用隔聲門、隔聲窗、隔聲屏障和墻壁隔聲，應用合適的吸聲材料等。
4, pipe wrapping in order to attenuate the noise radiated from the fan duct, you can rotate the pipe wrapping, compartment noise from the path of dissemination.
5, vibration isolation comprehensive consideration of safety, stability and ease of maintenance and other factors, the design and selection of appropriate vibration isolators, in order to eliminate the rigid connection between the machine and the unit, so as to achieve the purpose of reducing solid vibration noise. Can also dig anti-vibration ditch to replace the foundation vibration isolation, can achieve certain results.
