... Dust Removing Centrifugal Fan 1. ApplicationsModel C4-73 Dust Removing Centrifugal Fan are mainly used in blower fan and draught fan system of ... heat recovery boiler,,,,and various boilers. 2.Structure Centrifugal fan mainly consist of impeller,case,air inlet,adjusting door ... is adjusted by the static and dynamic balancing test.-Backward blades-Water cooled bearing house-Oil leak preventing design ...