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氧濃差電池在VOD過程控制上的初步應用

  • 摘要: 本文列舉了世界各國控制VOD過程的方法,指出使用氧濃差電池控制VOD過程的基本原理及其優點。論述了氧濃差電池的構造、安裝及使用。在實驗室條件下,運用熱力學計算求得一定溫度下氧濃差電勢(E0)和氧濃度O2%的對應值。通過在大連鋼廠應用氧濃差電池控制VOD過程的工業性實驗,得出了各種正常冶煉和不正常冶煉的典型曲線。用氧濃差電池並輔以其他方法控制VOD過程,煉出了不銹鋼、超低碳不銹鋼、超純工業純鐵及精密合金20多爐。超低碳不銹鋼的成功率達100%,鉻回收率超過96%。由于氧濃差電池在VOD過程控制上的應用在國內還是首次,要使它成為冶金自動化的工具,還要做大量工作。

     

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