... 5) High functionality Spiral /screw conveyor is suitable for transporting powder, granular and small-block materials, such as coal, gravel, ... sand and lump coal, cement, cereal, and so on. And is not apply to transportation of ... parameters of screw conveyor: SpecificationTransporting lengthCapacityPower (KW) Weight(T)coalcementraw materialsGX200×10M3-70M8.5T7.9T7.3T2.20.7GX250× ...