Furnace for thermal treatment of raw material e.g. iron - comprises charge opening, gas inlet and handling chamber, and pressurised feeding by gas impulses

摘要

A furnace for thermally treating a raw material, comprises: (i) a charge opening (12) for the material to be loaded into a handling chamber (10); and (ii) a gas pipe (20) feeding gas into the handling chamber at a pressure above that of the surroundings, in gas impulse form.