A new type of dryer wing adopted that is provided with through-holes for the fine aggregates to prevent overheating of fines, and coarse aggregates transferred to a upper position, then dispense thinly to dry shortly and effectively.
Increased number of dryer wing in a great deal. Hence increases effectiveness of aggregates drying efficiency thanks to quality Burner installing new type dryer-wing closely each other to enable coarse aggregates falling down at 20° angle from every dryer-wing during rotation of drum dryer