What kind of fan is generally used for sewage treatment aeration fan?

Generally, the aeration fan used in the sewage treatment plant needs to be selected according to the specific situation. The following are some common types of aeration fans and their characteristics:

1. Roots blower: Roots blower is characterized by large gas volume, stable pressure, small vibration and strong corrosion resistance. It is suitable for large sewage treatment plants.

2. Centrifugal fan: the centrifugal fan is stable in operation, low in noise and simple in maintenance. It is suitable for treating small-scale sewage treatment plants.

3. Mixed flow fan: The mixed flow fan has simple structure, convenient operation, energy saving and other advantages. It is suitable for treating small and medium-sized sewage treatment plants.

4. Axial flow fan: axial flow fan has low use and maintenance cost, wide application scope and long service life of key components. It is applicable to some specific processes in the sewage treatment plant.

To sum up, the selection of aeration fan shall be based on the comprehensive consideration of the treatment scale, process requirements, budget and other factors of the sewage treatment plant, and the appropriate aeration fan shall be selected after the specific needs are evaluated.