... kinds of powder granular materials and small block, such as coal, gravel, lump coal and sand, cement, cereal, etc ... Working principle: The screw conveyors are compact and easily adapted to congested locations which can be ... used as a mixer or agitator, to mix and blend dry or wet ingredients. Screw conveyors ... , abrasion or heat. Model Transmission length Capacity(t/h) Power (kw) Weight(t) Coal Cement Raw ...