... blade, driving device, supporting device and sealing ring.3. Can I use the coal or gas as ... , rear roller circle, gear, side plate of rolls, small gear, outlet part, reduce box, motor , heated air duct ... coal, fire, gas, and electricity and other fuel. 3. We can design the gas generator furnace, firebox, ... reasonably so as to improve the granulation effect .3. Adopts assembled hoist board so as to exchange ...