... contain moisture, such as coal, coal slurry, slag, industrial waste, and clay stone.2. Rotary drier is widely used in ... a feeding device, lifting plate, reducer, motor, feeding device and other components. Furnace can be designed according to user needs ... the combustion chamber, bucket elevator, belt conveyor, feeder, dust and other system equipments.THREE: Working Principle of Rotary Drier:Working ...