Assessing the Effectiveness of Slag Foaming in Electric-Arc Furnaces


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Abstract

The crucial role of foamed slag in improving the effectiveness of the arc-furnace process is beyond any doubt. However, there is no consistent approach to the description of the slag foaming mechanism despite the wide application of this process in modern electric-arc furnaces. Aspects of assessing the effectiveness of slag foaming are considered. A new index characterizing the slag foaming rate is introduced. It allows determining the superficial gas velocity that ensures effective foaming of slag depending on its physical and chemical properties.

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A. A. Kozhukhov

Stary Oskol Technological Institute, Branch of the National University of Science and Technology MISiS

Author for correspondence.
Email: koshuhov@yandex.ru
Russian Federation, Stary Oskol

V. I. Kozhukhova

Stary Oskol Technological Institute, Branch of the National University of Science and Technology MISiS

Email: koshuhov@yandex.ru
Russian Federation, Stary Oskol

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