C - Chemistry – Metallurgy – 21 – B
Patent
C - Chemistry, Metallurgy
21
B
53/42
C21B 5/00 (2006.01) C21B 7/24 (2006.01)
Patent
CA 1139567
FP-4194-KS ABSTRACT OF THE DISCLOSURE The present invention discloses a blast-furnace opera- tion method which selects the oxygen volume in blast, the ore/ coke and the reducibility of the burden materials as control factors among various factors which participate in the variation of heat input and heat output of the blast furnace, which plots values of the three factors obtained from the practical operation on a graph consisting of three parallel axes to indicate the three factors, and which evaluates the conditions of furnace heat with reference to a balanced state of the three plotted factors to so control that the three factors will lie within a suitable range of the balance of the furnace heat.
334510
Fujita Isao
Imanishi Nobuyuki
Kawai Takao
Tsutaya Tadao
Watanabe Ryo
George H. Riches And Associates
Kobe Steel Ltd.
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