... chemical raw materials, such as chicken manure, wine slot, furnace slag, fructose slag, slag vinegar sauce, sugar beet residue ... 3. This large sized rotary dryer machine / drying equipment is primarily composed of vibrating feeder, heating furnace, drying device, and ... includes air heating furnace, feeding line, blower, pipeline, cyclone ect.3. principle of rotary dryer machine:rotary dryer machine is ...