Rev. Met. Paris
Volume 98, Number 4, April 2001Aciéries, coulées continues, réfractaires
|Page(s)||399 - 410|
|Published online||25 October 2002|
Dust formation in a steelmaking reactor
To control the generation of dust in a steelmaking reactor, it is necessary to understand the underlying physical mechanisms. An experimental device has been developed to study the main emission mechanism, i.e. the projections from bursting bubbles. We visualized the burst on liquid steel and quantified the subsequent emission. The chemical evolution inside the fume exhaust system is simulated by thermodynamic calculations : the key parameters for controlling dust mineralogy are the Fe/Zn ratio, the oxygen activity (p/p) and the temperature evolution.
© La Revue de Métallurgie, 2001
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