環流式脱ガス炉における溶鋼脱硫挙動

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タイトル別名
  • Desulfurization Behavior of Molten Steel in Circulating Type Degasser
  • 製鋼 環流式脱ガス炉における溶鋼脱硫挙動
  • セイコウ カンリュウシキ ダツガスロ ニ オケル ヨウ コウ ダツリュウキョドウ

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抄録

Experimental and theoretical studies were carried out to understand the behavior of sulfur content in circulating type degasser.<BR>A sulfur content in molten steel decreases with time after flux addition or powder injection, and the final content is determined by amount of flux, composition of flux and amount of stirring gas. A kinetic model for desulfurization was developed to estimate the desulfurization rate and to predict the sulfur content. This model clarified the volumetric coefficient for desulfurization effects on the stirring energy. The approach takes into consideration the transient contribution due to the particles dispersed in the bulk metal in case of flux injection in molten steel at vacuum vessel.

収録刊行物

  • 鉄と鋼

    鉄と鋼 85 (7), 509-513, 1999

    一般社団法人 日本鉄鋼協会

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