1.can load powder and granules 2.easy to control ... the blade rotate to push goods continuously. Screw conveyor is widely used in various industries, such as ... coal, grain and other industries, for horizontal or inclined conveyor dust, granular materials and small block, such as coal, ... . The material temperature is less than 200 °C. Conveyor is not suitable for conveying perishable, viscous, easy caking ...