... number of process operation, it is widely used. Main belt conveyor, plate conveyor, scraper conveyor, bucket conveyor, bucket elevator, overhead conveyors and so on.(2 ... , coal mining and other industries transport material.(3)Work environment: Belt conveyor, belt conveyor for conveying bulk density of less than 1.67 / t ... 15-30/7.5-15 1.3-1.6 120-180 1000≤10/5.5 10-20/7.5-11 20 ...