Rev. Met. Paris
Volume 105, Number 3, March 2008Blast Furnace
|Page(s)||121 - 126|
|Published online||09 April 2008|
Comprehensive dynamic model for BOF process: a glimpse into thermal efficiency mechanisms
Understanding thermal transfer mechanisms in BOF converter is a key for higher energy efficiency, involving higher production capacity and lower CO2 emissions through low hot metal ratio capability. The developed model achieves a coupled description of the major phenomena: refining reactions, mass transfers between phases, scrap melting, post-combustion, slag formation. The calculated exhaust fumes enthalpy is fitting well the measured thermal balance trials with industrial converter when implementing a detailed description of the post-combustion. This model, compatible with real-time use, is also a valuable tool for further improvement in dynamic control of the process.
© La Revue de Métallurgie, 2008
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