... dryer 1) widely usage 2) high efficiency 3) with good after-sale 4) simple structure Biomass Rotary dryerRotary ... type ,it is 35%.3.Compared with the single cylinder type with same capcity ,the 3 cylinder type ... fuel can be coal ,oil and gas.5.With the heat resisting ,hear wearing alloy steel plates, ... 8.Without the big and small gears,it work with riding wheel.9.The temperature of out air is low ...