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Comprehensive dynamic model for BOF process:a glimpse into thermal efficiency mechanisms

Published online by Cambridge University Press:  09 April 2008

J.-C. Huber ,
J. Lehmann  and
R. Cadet
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Abstract

Understanding thermal transfer mechanisms in BOF converter is akey for higher energy efficiency, involving higher production capacityand lower CO2 emissions through low hot metal ratio capability.The developed model achieves a coupled description of the majorphenomena: refining reactions, mass transfers between phases, scrapmelting, post-combustion, slag formation. The calculated exhaustfumes enthalpy is fitting well the measured thermal balance trials withindustrial converter when implementing a detailed description of thepost-combustion. This model, compatible with real-time use, is also avaluable tool for further improvement in dynamic control of the process.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 105 , Issue 3: Blast FurnaceSteelmakingHot RollingSteel Use , March 2008 , pp. 121 - 126
Copyright
© La Revue de Métallurgie, 2008

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