How to reduce the noise of axial fan to surrounding residents

1.In the existing fan outlet pipe will be connected with the wind to the living area is not sensitive places such as the roof and other places, and then focus on all the pipes to make a big pool, pool breathable place with a point of filter cotton cover can play a certain role of muffler;

2.Add fan special muffler, however, will slightly reduce the exhaust effect of the fan;

3.Replace the fan with a large, low speed axial flow fan, still need to be connected with pipes to silence;

The above method can only be improved on the basis of the original effect. However, to completely solve the problem, it is recommended that you do not open these industrial exhaust fans in residential areas and at night, which is not a good thing to disturb the people.