... years experiences in rotary dryer production,up to now,we can provide diameter of 1200mm,1500mm,1800mm,2000mm,2200mm,2400mm, ... control drier temperature. The temperature change of drier's feeding end can be indicated by the thermometer to control the inner ... in the the scope of this machine include firebox, feeding and discharging equipment, dust catcher, etc.4.Rotary dryer working principle:Rotary ...