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Oxidations behavior of C, Si, Mn, P, Nb in Nb-bearing hot metal by bottom blowing oxygen

机译:底吹氧对含铌铁水中C,Si,Mn,P,Nb的氧化行为

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This paper focuses on oxidationS behavior of C, Si, Mn, P, Nb in Nb-bearing hot metal during bottom-blowing oxygen in a vacuum-induction furnace. This blowing process was carried out separately with and without slag at the flow rate of 0,4 m2/min to 0,6 m2/min. The results show that niobium is massively removed from the hot metal while silicon content in hot metal is decreased to lower than 0,01wt. % with adding slag , P content keeps unchanged, and sulfur content is decreased in hot metal at the beginning of blowing stage while it increased in hot metal with the extension of smelting time.
机译:本文重点研究了真空感应炉底吹氧过程中含铌铁水中C,Si,Mn,P,Nb中C,Si,Mn,P,Nb的氧化行为。该吹炼过程在有和没有炉渣的情况下分别以0.4m2 / min至0.6m2 / min的流速进行。结果表明,从铁水中大量去除了铌,而铁水中的硅含量降低到低于0.01 wt。随着熔渣添加量的增加,P含量保持不变,而在吹炼阶段开始时,铁水中的硫含量降低,而随着熔炼时间的延长,硫含量增加。

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