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首页> 外文会议>International symposium on high-temperature metallurgical processing >RESEARCH ON THE SLAG PHASE TYPE OF VANADIUM-TITANIUM MAGNETITE IN PRE-REDUCTION: ELECTRIC FURNACE SMELTING
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RESEARCH ON THE SLAG PHASE TYPE OF VANADIUM-TITANIUM MAGNETITE IN PRE-REDUCTION: ELECTRIC FURNACE SMELTING

机译：预减少中钒钛磁铁矿渣液磁铁矿的研究：电炉冶炼

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摘要

For the comprehensive recovery of V、 Ti、 Fe in vanadium-titanium magnetite in the process of pre-reduction-electric furnace smelting, it is expected that vanadium oxide is reduced into molten iron and titanium oxide is available in the slag. Thus the effect of slag basicity, the content of MgO, MnO and CaF_2 of slag content on the separation of slag and .molten iron and the comprehensive recovery of V、Ti、 Fe were investigated. The results show that increasing slag basicity, MgO, MnO and CaF_2 are all beneficial to the separation of slag and molten iron. Higher slag basicity and the addition of CaF_2 strengthen the reduction of vanadium oxide, and inhibite the reduction of titanium oxide, which are in favour of the recovery of V and Ti. However, the addition of MgO, MnO was not efficient for the comprehensive recovery of V、 Ti、 Fe. For the vanadium-titanium magnetite of Panxi in China, the recovery of Fe was over 98%, the recovery of V in molten iron was over 85% and the TiO_2 content in slag was about 43% under the optimal conditions of slag phase type.
机译：为了综合回收钒 - 钛磁铁矿的v，ti，Fe在预换电炉冶炼过程中，预期氧化钒还原成熔融铁，氧化钛可在炉渣中获得。因此，研究了炉渣碱度，MgO，MnO和CaF_2的含量对炉渣分离的影响，芳烃铁和.moltol坚性的综合回收，v，Ti，Fe的综合恢复。结果表明，增加渣碱，MgO，MNO和CAF_2都有利于炉渣和熔融铁的分离。更高的渣碱度和CAF_2加强氧化钒的减少，并抑制氧化钛的还原，这有利于V和Ti的回收率。然而，添加MgO，MNO对于V，Ti，Fe的综合回收并不有效。对于中国攀西的钒钛磁铁矿，Fe的回收率超过98％，熔铁中的v的回收率超过85％，在渣相型的最佳条件下，炉渣中的TiO_2含量约为43％。

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