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试验中研究了钒钛烧结矿的高温冶金性能。试验结果指出,在一定范围内,提高碱度和增加烧结矿中MgO含量来改善钒钛烧结矿高温还原性能及软熔性能是有效的。增加MgO还可抑制硅、钛的还原及碳氮化物的生成,有利于渣铁熔融分离而滴落。钒钛磁铁精矿配入普通富矿粉及适当增加烧结混合料配碳量,可以降低炉渣中TiO_2的活度,增加炉渣的氧化能力,有利渣铁分离。但不利于烧结矿的高温还原性和软熔性能的改善。
The experiment studied the high-temperature metallurgy properties of vanadium-titanium sinter. The experimental results indicate that it is effective to increase the basicity and increase the MgO content in sinter to improve the high temperature reduction and reflow properties of vanadium-titanium sinter within a certain range. Increase of MgO can also inhibit the reduction of silicon, titanium and carbonitride formation, is conducive to molten iron slag separation and dripping. The vanadium-titanium magnetite concentrate can be used to reduce the activity of TiO 2 in the slag and increase the oxidation ability of the slag, which is favorable for slag separation. But is not conducive to high temperature sintering sinter reduction and reflow performance improvement.