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攀枝花钛精矿冶炼钛渣中硫的影响
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TF823

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国家重点研发计划项目（2018YFC1900500）。


Effects of sulfur on smelting Panzhihua titanium concentrate to produce titanium slag
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    摘要:

    调查显示攀枝花钛精矿硫（S）含量高达1.55%。笔者对攀枝花钛精矿冶炼钛渣中硫的影响进行了研究，结果表明，攀枝花钛精矿冶炼钛渣副产半钢S含量较高、C含量较低，出铁温度升高70~150℃，吨渣冶炼电耗增加近20 kW·h。钛精矿预氧化—冶炼钛渣工艺可降低产品S含量，消除S对冶炼过程的影响，是高硫钛精矿冶炼钛渣的有效途径。

    Abstract:

    According to relevant surveys, S content of Panzhihua titanium concentrate is as high as 1.55%. We studied the effects of sulfur on the smelting of titanium slag in Panzhihua titanium concentrate. The results show that smelting Panzhihua titanium concentrate to produce titanium slag, the S content of the by-product semi steel is higher, and the C content is lower. Furthermore, the temperature of molten metal increases by an amplitude of 70℃ to 150℃, and the power consumption per ton slag increases by nearly 20 kW·h. By comparison, producing titanium slag by smelting titanium concentrate after oxidative desulfurization can reduce the content of S and eliminate the influence of S on the smelting process. Therefore, pre-oxidation is an effective way to produce titanium slag with high-sulfur titanium concentrate.

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赵青娥,吕学伟.攀枝花钛精矿冶炼钛渣中硫的影响[J].重庆大学学报,2019,42(10):42-49.

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  • 收稿日期:2019-05-28
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