高炉炉床の排滓性に及ぼす操業と出銑方法の影響(モデル解析,高炉その3,<特集号>製銑プロセスの環境調和・資源対応力強化を目指して)

概要

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A mathematical model is developed to quantify the effect of operation conditions and casting strategy on residual amount of slag and metal in hearth. The model is validated by a physical scale model experiment. Calculated results show that the residual amount of slag increases in proportion to the square of production. The effect of hearth permeability on the residual amount of slag is larger than slag viscosity. Then high permeability is necessary under high productivity operation condition. Although a load is not small, increasing tapping rod diameter and shortening cast duration are the effective way to decease maximum slag level. High durability filling mud is necessary to keep cast duration.
社団法人日本鉄鋼協会の論文
2006-12-01