転炉内上吹き気流およびガス反応の解析

抄録

The mathematical model for numerical analysis of the gas flow and combustion reaction in a converter is developed by taking into account of the equilibrium reaction of CO-CO₂-O₂ gas mixture at a given temperature. The effect of molten steel bath shape, thermal condition of side wall and operation conditions on the combustion ratio is clarified by the calculation on the mathematical model.
The model is compared by the evaluation of the combustion ratio between calculated value and observed one. By considering the depression of molten steel bath and the heat flow to side wall, the high temperature gas region above 2250 K in the converter is found to appear near molten steel bath surface.