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在真空或真空低吹氩条件下，研究了ＣａＯ－ＢａＯ－Ａｌ_２Ｏ_３－ＴｉＯ_２，ＣａＯ－ＭｇＯ－Ａｌ_２Ｏ_３－ＳｉＯ_２－ＣａＦ_２渣对钢液脱氮的影响。结果表明，熔渣降低真空脱氮速率，底吹氩能减少熔渣对真空脱氮的阻力。
The effect of CaO-BaO-Al_2O_3-TiO_2 and CaO-MgO-Al_2O_3-SiO_2-CaF_2 slag on the liquid nitrogen removal was investigated under vacuum or vacuum argon blowing conditions. The results show that the slag reduces the rate of vacuum denitrification and the bottom blown argon can reduce the resistance of slag to vacuum denitrification.