C - Chemistry – Metallurgy – 21 – B
Patent
C - Chemistry, Metallurgy
21
B
39/13, 53/341, 5
C21B 7/00 (2006.01) C21B 13/00 (2006.01) C21B 13/14 (2006.01) C21C 5/32 (2006.01) C21C 5/46 (2006.01) C22B 5/02 (2006.01)
Patent
CA 2024184
ABSTRACT OF THE DISCLOSURE A method of in-bath smelting reduction comprises the step of selectively supplying powder materials into a gas upflow region or a gas downflow region within a furnace during the time that oxygen-containing gas is concurrently being blown into the furnace from a top lance. Also disclosed is an in-bath smelting reduction furnace for carrying out the method.
Ibaraki Tatauharu
Kanemoto Michitaka
Moridera Hiromitsu
Saito Chikara
Yamauchi Masao
Fetherstonhaugh & Co.
Nippon Steel Corporation
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