s suitable for the working environment temperature which is between 20 ℃ to 50 ℃;Including the horizontal screw conveyor, the material of transportation temperature should be lower than 200 ℃;Conveying distance less than 40 meters, maximum not exceeding 70 meters; Vertical screw conveyor, its conveying material should not be more than the temperature of 80 ℃, the vertical height is not more than 8 meters.good technic of screw conveyer
