C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
53/88
C21C 5/30 (2006.01)
Patent
CA 1118212
FP-3886-KS ABSTRACT OF THE DISCLOSURE A method for converter blow end-point control which comprises carrying out waste gas analyses on a continuous or intermittent basis in a final stage of the blow and, based on decarburization rate data (waste gas information) obtained from said waste gas analysis, determining the end-point of the blow where the carbon content of the bath equals a target carbon content. The method is characterized by the use of the decarburization rate equation: Image which is a differential equation taking account of the delay time (T) of said waste gas in- formation which is a period of time from the time-point of occurrence of a decarburization reaction in the converter till the time when it is detected as said decarburization rate data, and an equation: b'=g(b) which is a functional equation for increasing the predictability of carbon content of the bath at the end-point of the blow.
309823
Kanazuka Yasuo
Katagiri Nozomu
Kawasaki Shozo
Kitamura Minoru
Narita Kiichi
George H. Riches And Associates
Kobe Steel Ltd.
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