Premises in the Design of Computational Algorithms for Refining Slags Appied in Ladle Treatment of steels. Influence of Bof Slag and of Other Sources of Slag
Nita, Petre Stelian
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In the design of computational algorithms for refining slags for ladle treatment of steels, the evaluation of contributions of different factors is a definitory step, allowing to evaluate the real posibilities and limitations in steel refining practice. Slag carried over from steelmaking converters to the ladle is evaluated from the point of view of contributions of its amount and contents of SiO2 and iron oxides. It is shown in quantitative manner what it happens in conditions of variations of the above mentioned factors, in the ranges of values closed to real industrial practice. It is shown and concluded that quantitative evaluations of the contributions of slag carried over in refining ladle are of outmost importance. It is possible, under the above mentioned conditions, to ensure adequate values of sulphide capacity, low residual values of iron oxides in economical conditions and to save aluminium from the exaggerate loss by oxidation.
- 2013 fascicula9 nr3