... :20 KKF Fan and Blowers 1. ApplicationsKKF Fan and Blowers are mainly used in blower fan and draught fan system of coal ... fired boiler,steam boiler,waste heat recovery boiler,,,,and various boilers. 2.Structure Centrifugal fan ... mainly consist of impeller,case,air inlet,adjusting door,transmission,motor,system integral pedestal.3.Blades ...