... number of process operation, it is widely used. Main belt conveyor:plate conveyor, scraper conveyor, screw conveyor,bucket conveyor, ... the needs of different transferring requirements.(3)Work environment: Belt conveyor, belt conveyor for conveying bulk density of less than 1 ... a powder, granular, small block of low-abrasive materials and bags of materials, such as coal, gravel, sand, cement, fertilizer ...