publication . Master thesis . 2009

Mass transfer and slag-metal reaction in ladle refining : a CFD approach

Ramström, Eva;
Open Access English
  • Published: 01 Jan 2009
  • Publisher: KTH, Mikro-modellering
  • Country: Sweden
Abstract
  In order to optimise the ladle treatment mass transfer modelling of aluminium addition and homogenisation time was carried out. It was stressed that incorporating slag-metal reactions into the mass transfer modelling strongly would enhance the reliability and amount of information to be analyzed from the CFD calculations.   In the present work, a thermodynamic model taking all the involved slag metal reactions into consideration was incorporated into a 2-D fluid flow model of an argon stirred ladle. Both thermodynamic constraints and mass balance were considered. The activities of the oxide components in the slag phase were described using the thermodynamic mo...
Subjects
free text keywords: reoxidation, desulphurisation, CFD, ladle treatment, model, Other materials science, Övrig teknisk materialvetenskap
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