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  otsed talex (صاحب) What Is The Construction Of The Screw Elevator ? A Screw Elevator is essentially two regular screw conveyors put together at a 90-degree angle. There is a horizontal portion and a vertical portion, each driven by its own motor. These are generally used when discharge clearance is an issue. Are usually used to feed counterflow coolers as well as transport cooled meal from the cooler onto the next process step. Screw elevators tend to be more expensive than bucket elevators, but maintenance is generally less since they have less moving parts and are easier to service. They are also better suited for high heat applications since the auger is made of steel.