... production of screw conveyor, widely used in chemical industry, building materials, cereals, feed, food, metallurgy, mining, plastic, pharmaceutical ... etc, material temperature 200 degrees Celsius.LS spiral screw conveyor is unfavorable conveying easy metamorphism, big viscosity, easy ... materials. Four, model significanceTechnical parameter of type LS screw conveyor Note: 1, n - speed r/min (deviation ...