C - Chemistry – Metallurgy – 21 – B
Patent
C - Chemistry, Metallurgy
21
B
53/42
C21B 7/24 (2006.01) C21B 5/00 (2006.01)
Patent
CA 1174053
FP-4792-SM ABSTRACT OF THE DISCLOSURE A method for estimating the geographical distribution of a cohesive zone in a blast furnace which is intermittently charged with an iron ore material to produce molten iron sub- stantially in a continuous manner is disclosed. The method com- prises altering the whole or part of the composition of the charging iron ore material at a certain time point, measuring variations in the composition of produced molten iron ore slag over a given time period, and estimating the shape of the co- hesive zone in the furnace on the basis of a pattern of variation of one selected component and the speed of gravitational descent of the charged material through the furnace.
368085
Inaba Shinichi
Kobayashi Isao
Narita Kiichi
Okimoto Kenichi
Shimizu Masakata
Kobe Steel Ltd.
Riches Mckenzie & Herbert Llp
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