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鐵水提鈮

  • 摘要: 從含少量鈮、較高的錳和磷的鐵水中回收鈮,是復雜的選擇氧化過程。通過熱力學和動力學條件的理論分析及實驗,表明利用氧氣底吹轉爐對這種鐵水進行處理,將終點溫度控制在估算的鈮-碳選擇氧化臨界溫度1350℃—1400℃內,和掌握合適的氧流沖擊力及氧流在熔池內的貫穿長度,可以成功地將鐵水中的鈮和錳最大限度地氧化到渣中,而將碳和磷基本上保留在金屬中,以達綜合利用。

     

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