C - Chemistry – Metallurgy – 21 – B
Patent
C - Chemistry, Metallurgy
21
B
53/27
C21B 11/00 (2006.01) C10J 3/57 (2006.01) C21B 13/14 (2006.01) C21C 1/02 (2006.01)
Patent
CA 2027350
A b s t r a c t Process for producing combustible gases within a smelting gasifier In a process for producing combustible gases within a smelting gasifier operated with oxygen or, respectively, with air enriched in oxygen and being charged with pre-re- duced, preferably iron-containing, ores , coal and slag formers , in which process molten metal , liquid slag as well as combustible gas are discharge from the smelting gasifier and coal is used in a variable amount exceeding the amount required for the smelting reduction for the purpose of producing combustible gases the combustible gas produced is subdivided into at least two partial streams . In this case, a first partial stream of the produced combustible gas is used in the pre-reduction stage for the ore to be supplied into the smelting gasifier , noting that that portion of the combustible gas, which exceeds, the partial amount of gas required in the pre- -reduction stage , is supplied to a desulfurizing reactor , from which are supplied as slag formers into the smelting gasifier the reaction products of the desulfuriz- ing reduction as well as not completely reacted slag formers.
Faltejsek Karl
Kepplinger Werner
Faltejsek Karl
Kepplinger Werner
Marks & Clerk
Voest-Alpine Industrieanlagenbau Gmbh
Voest-Alpine Stahl Aktiengesellschaft
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