Method of continuously melting down scrap, iron sponge or...

Details Method of continuously melting down scrap, iron sponge or... Method of continuously melting down scrap, iron sponge or...

C - Chemistry, Metallurgy

21

B

53/74

C21B 13/02 (2006.01) C21C 5/56 (2006.01)

Patent

CA 1074567

ABSTRACT OF DISCLOSURE This invention relates to a method of continuously melting down scrap, iron sponge and the like in a vertically arranged shaft furnace in which a flame produced by fuel-oxygen combustion is applied to the bottom of a column of charge material in the furnace to melt such material in an oxidising melting zone, the invention being characterised by the creation of a reducing zone beneath said oxidising melting zone and said reducing zone being provided by admixing slow-reacting large pieces of coal to the charge material so that such pieces of coal will pass through said oxidising melting zone and collect at the bottom of the furnace.

245085

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