Generation of Fine Bubbles, Metal Droplets, and Slag Droplets in Reactors Agitated by Bottom Gas Injection

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  • Iguchi Manabu
    Professor Emeritus, Faculty of Engineering, Hokkaido University

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Other Title
  • ガス底吹込み反応容器内における微細な気泡・メタル滴・スラグ滴の発生
  • ガス ソコブキ コミ ハンノウ ヨウキ ナイ ニ オケル ビサイ ナ キホウ ・ メタル テキ ・ スラグ テキ ノ ハッセイ

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<p>Various types of gas injection operations are utilized in the steelmaking industry for bath mixing and, hence, for refining of molten metals. Generation of fine bubbles, metal droplets, and slag droplets are accompanied by bubble rise in the reactor covered with molten slag. Such bubble and droplet generation is not always beneficial for enhancement of the refining efficiency. In this review article the mechanisms of the bubble and droplet generation in a bath subjected to bottom gas injection through a single-hole nozzle are explained using many examples.</p>

Journal

  • Tetsu-to-Hagane

    Tetsu-to-Hagane 103 (3), 119-133, 2017

    The Iron and Steel Institute of Japan

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