US Patent 9476644 Scrap submergence system

In accordance with one aspect of an exemplary embodiment, a furnace including a charge well is provided. The charge well comprises an open top chamber including side and base walls of a heat resistant material. An inlet is provided in a side wall of the chamber for receiving molten metal. A ramp is provided adjacent the side wall and an inner wall forms a central cavity. The ramp is disposed between the inner wall and the side wall. The ramp is generally inclined from an intersection with the base wall to adjacent a top surface of the inner wall. The cavity is in fluid communication with an outlet. A passage in the inner wall provides fluid communication between the inlet and the cavity. The inlet and an outlet each receives a conduit and at least one of the conduits can include an elbow joint.