Reversible belt conveyor with hopper is widely used in the top of silo of building materials, cement, mining and other industries. It is suitable for the occasions where the unloading truck cannot be used. Tianyi machinery according to the specific gravity of materials has developed light (ρ≤1600kg/m³), heavy (ρ> 1600kg/m³) reversible silo belt conveyor,realize the silo top long distance continuous multi-point unloading, two-way reversible operation unloading, belt speed can be selected according to the size of the material amount,