Screw conveyors have many advantageous qualities that can be utilized in your applications. Screw conveyors can have numerous inlets and discharges. Screw conveyors can be used to unload bins, hoppers, dust collectors, bag dump stations, storage piles etc. A special type of screw conveyors called screw feeders are used to control the volume of material drawn from bins, hoppers etc. Screw conveyors can be also designed to heat or cool the material being conveyed or blend different materials.