... machine, sand dryer, sawdust dryer, coal dryer, coal slime dryer, bentonite dryer, ore concentrate ... can dry many kinds of materials which contain moisture, such as coal, coal slurry, slag, industrial ... of?the dryer is formed by rotary body, lifting blade, driving device, supporting device and sealing ring.3. Can I use the coal ... or gas as the heating source?Yea, you can use coal, gas, ...