Screw Conveyor has become an important device in the whole production chain. Advanced structure, strong adaptability, resistance, long life, easy maintenance, protection devices, complete screw conveyor significant features. Before screw conveyor operation, first make sure the screw conveyor equipment, personnel, conveyed articles are in a good state of security; Second, check all moving parts normally free of foreign material, check all electrical wiring is normal, normal to the belt conveyor put into operation -