在对钒钛磁铁矿熔融还原动力学研究基础上,研究了熔融还原渣系中钒还原的热力学研究表明,在CaO-SiO_2-Al_2O_3-MgO-V_2O_5渣系中钒还原达到动态平衡的时间为6h,渣系CaO/SiO_2对平衡时间影响不大,温度提高,平衡时间缩短渣与铁浴比为1/2,CaO/SiO_2为0.8,温度为1773K时,钒还原最大平衡分配比为32.4,最大回收率为96.1%。
For slag system of CaO-SiO_2-Al_2O_3-MgO-V_2O_5, time of V reduction toapproach the dynamical equilibrium is about 6 h. The equilibrium time is not evidently influ-enced by the ratio CaO/SiO_2, and shortens with the increase of temperature. If the ratio be-tween slag and iron-bath is 1/2, CaO/SiO_2 0.8 and temperature 1773 K, the maximum dis-tribution coefficient of V reduction is 32.4 and maximum recoverv of V is 96.1%.
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