Rotary drum dryer is mainly used in fertilizer production to dry some moisture of final fertilizer granules or raw materials.,this rotary drum drying machine can also dry wood sawdust,organic/compound fertilizer granules, livestock manure waste,poultry manure like sheep manure,chicken manure,cow manure,pig manure and compost,sand,sludge and so on.the rotary drum dryer machine for wood sawdust has two types one is air flowing type,the other is rotary drum type,and we manufacture rotary drum types. Rotary Dryer can be used to dry the wood material which can save 30-50% energy.our rotary drum drying machine has smal scale production capacity of 500 kg per hour and biggest capacity of 20,000 kgs per hour for your choice!