publication . Doctoral thesis . 2016

Modelling of slag emulsification and slag reduction in CAS-OB process

Sulasalmi, P. (Petri);
Open Access English
  • Published: 22 Nov 2016
  • Publisher: Oulun yliopisto
  • Country: Finland
Abstract
Abstract Composition Adjustment by Sealed argon bubbling – Oxygen Blowing (CAS-OB) process is a ladle treatment process that was developed for chemical heating and alloying of steel. The main stages of the process are heating, (possible) alloying and reduction of slag. The CAS-OB process aims for homogenization and control of the composition and temperature of steel. In this dissertation, a mathematical reaction model was developed for the slag reduction stage of the CAS-OB process. Slag reduction is carried out by applying vigorous bottom stirring from porous plugs at the bottom of the ladle. Due to the bottom stirring a circular steel flow is induced which dis...
Subjects
free text keywords: emulsification of slag, mathematical modelling, slag reduction, kuonan emulgoituminen, kuonan pelkistys, matemaattinen mallinnus, CAS-OB, CFD
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