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含氟稀土渣的粘度(包頭礦綜合利用基礎研究之一)

  • 摘要: 本文包括對包頭含氟稀土爐渣粘度的研究,分別測定了不同堿度,不同含氟量,不同炭化硅與堿金屬含量,特別是不同稀土氧化物含量的爐渣粘度。研究結果與生產實踐情況基本上一致:即增加爐渣中稀土與炭化硅含量,使爐渣度升高;但是增加爐渣中氟化鈣與堿金屬含量,使爐渣粘度降低;不過堿度對稀土爐渣的影響存在一個最低值范圍,當爐渣堿度低于或高于這個范圍時都使粘度升高。上述研究結果,對于高爐冶煉稀土合金,高爐冶煉稀土富渣(即包鋼的二流程)與電爐冶煉稀土硅鐵合金都有一定的參考價值。

     

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