There are many kinds of special belt conveyor for feeding system, such as horizontal bet conveyor, inclined belt conveyor, walking sub-feed belt conveyor, S-shaped sub-feed belt conveyor, rotary sub-feed belt conveyor and combined sub-feed belt conveyor, which are featured by feeding and discharging at multiple points and less occupation. They are widely used in the metallurgy, mine, electronic station, building materials industry, chemistry industry, light industry and other conveying systems to help convey the materials.In the concrete industry, belt conveyors are mainly used for conveying sand, fine sand, etc. The main styles are flat belt conveyors and inclined belt conveyors with patterns. On this basis, a movable feeding belt conveyor with wheels can also be designed.