... while completing a number of process operation, it is widely used. Main belt conveyor, plate conveyor, scraper conveyor, bucket conveyor, ... material.(3)Work environment: Belt conveyor, belt conveyor for conveying bulk density of less than 1.67 / t / cubic meter, ... materials and bags of materials, such as coal, gravel, sand, cement, fertilizer, and grain. Sent material temperature is less than 60 ...