... application and energy saving 3 saw dust rotary dryer high efficiency Roller drying machine make up by :three dryer cylinder , lifting plate, front and rear ... sand removal device, iron device (to ensure no hard sawdust of drying ), buffer gas pipeline dryer, automatic control systems etc,with ... 6o°C , exhaust gas <80°C4,Saw dust rotary dryer Compare with the similar products is only 1 / 3 of energy ...