... powder, sawdust ,straw, rice husk Airflow wood dryer: The whole system consists of fan blower, motor engine, fuel boiler, steel pipe ... , cyclone and air lock. In this system, wet material is input into hopper by screw feeder. Fuel furnace produces large volume of ... by the power of fan blower. Fast moving hot air sustains and is mixed with raw material sent by spiral feeder in the ...