... is a kind of continuous conveying equipment, better than belt conveyors and screw conveyors. Tube chain conveyor is a kind of continuous conveying ... to install filter. When conveying powder, it can be feed in air and can assure that there is no dust ... quartz sand, clay powder, silica, limestone flour, dolomite fines, Wood chips, fiberglass, silicon dioxide, French chalk and so on.Foodstuff Industry ...