MATHEMATICAL MODEL OF SLAG-METAL INTERACTION ZONE FOR DYNAMIC SIMULATION OF STEELMAKING TECHNOLOGY

An original mathematical model has been developed to describe the interactions of the components of the slag-metal system for the dynamic simulating of steel treatment technology. Physical and chemical models based on the law of conservation of mass and energy, as well as the principles of non-equilibrium thermodynamics were used. All the stages of the process (zones) were taken into consideration in this software. This software takes into account input data such as: ladle equipment facilities, initial temperatures of slag and metal mass and chemical compositions, input time and mass of additives, blowing, electrical and time regimes, thermodynamic database, thermal, physical and chemical databases for additives and inert gas, production database (for statistics). For validation of the software, the results of decarburization of stainless steel melt with oxygen content plasma in DC arc furnace and sampling control results were used.