Belt conveyor consists of frame, conveying belt, roller, tension device, transmission device, etc. It is widely used for conveying materials in mine, metallurgy, building material, chemistry, and mineral processing industries. A belt conveyor is suitable for conveying powdery, granular and small lump materials or bagged materials, such as coal, crushed stone, sand, concrete, fertilizer, grain, etc. The temperature of conveyed materials is less than 60℃. Length and installation of the machine can be designed upon users requirements. Electricity roller or driving equipment with driving frame can be adopted to drive the belt conveyor.