Paired straight hearth (PSH) furnaces for metal oxide reduction
OwnerWei-Kao Lu, Dianbing Huanginventors
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Abstract
Equipment for the reduction of metal oxides with carbonaceous reductants includes a pair of straight moving hearth furnaces each having a charging end and a discharging end. Each furnace has a train of detachable hearth sections to enable each hearth section to be removed at the discharging end of one furnace and attached at the charging end of the other furnace.
Claims12
Equipment for the reduction of metal oxides with carbonaceous reductants including a pair of straight moving hearth furnaces each having a charging end and a discharging end, each furnace comprising a train of detachable sections to enable each section to be removed at the discharging end of one furnace and attached at the charging end of the other furnace.
A method of reducing metal oxides with carbonaceous material including providing a pair of straight moving hearth furnaces each having a charging end and a discharging end and each comprising a train of detachable charge-carrying sections, detaching each section at the discharging end of each furnace, removing charge therefrom and attaching the section to the train at the charging end of the other furnace to receive fresh charge.
Dependencies are inferred from the claim text.