Patent ID: 7901617
Filing Date: 2011-03-08
Classification: C21B,C21C,C25C,F27D,Y02P

Abstract:
1. A smelting furnace heat exchanger which includes: a conduit for conveying cooling fluid relative to a furnace to be cooled; and a heat transfer arrangement in communication with an interior of the conduit, the heat transfer arrangement and the conduit together defining an assembly that is mountable adjacent to, and externally of, the furnace to be cooled, convective heat exchange occurring, in use, due to movement of the cooling fluid relative to the furnace and to the heat transfer arrangement of the assembly and radiant heat exchange occurring between the furnace and at least part of the heat transfer arrangement of the assembly, the heat transfer arrangement further comprising heat transfer enhancing parts and in which the heat transfer enhancing parts of the heat transfer arrangement comprises a plurality of fins arranged on an outer surface of the conduit.