... 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 ... bearing house-Long service life-Large air volume, low noise, high efficiency and abration resistant-Easy installation and operation ...