... specially designed according to the characteristics of oil plam fiber, light, and with low temperature. Bailing rotary ... slag, limestone, coal powder, clay, sawdust, oil palm fiber, coconut fiber, grass, river stone, poultry dung, ores, rock ... 2.main parts: cylinder, lifters, driving device, supporting device and sealing ring, feeding device, discharging device, gear, gearbox, electric motor, cyclone ...