ガス吹込み攪拌下のスラグ-溶融金属間反応系におけるメタル側物質移動の解析

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タイトル別名
  • The Analysis of Metal-side Mass-transfer in a Slag-Metal Reaction System with Gas-injection Stirring
  • ガス吹込み撹拌下のスラグー溶融金属間反応系におけるメタル側物質移動の解析
  • ガス フキコミ カクハンカ ノ スラグ ヨウユウ キンゾクカン ハンノウケイ

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抄録

A theoretical analysis has been made on the metal-side mass-transfer in a slag-metal reaction system with gas-injection stirring. Considerations have been given of the fluid flow in the vicinity of the slagmetal interface. On the basis of a theory of turbulence phenomena, metal-side mass-transfer coefficients are derived as functions of gas-injection stirring conditions. The theoretical equations are rearranged to dimensionless correlation equations.<BR>The mass-transfer data obtained by the authors for molten slag-Cu reaction system of Si oxidation by FeO at 1250°C and the available data of model studies at low temperature (aqueous solution-amalgam system at room temperature and molten salt-molten Pb system at 450°C) are correlated successfully by the equations obtained in the present study. It is found that the dimensionless correlation equations obtained in the present study are applicable to the data of ladle desulfurization, as far as the rate is controlled by the mass-transfer in the metal phase.

収録刊行物

  • 鉄と鋼

    鉄と鋼 73 (10), 1350-1357, 1987

    一般社団法人 日本鉄鋼協会

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