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Effects of Additives on Properties of Molten Medium-titanium Slag

Zhang Xu-shen

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Abstract

Based on the blast furnace slag from Chengde Iron and Steel Company in Hebei Iron and Steel Group, the slag samples were prepared with chemical reagents, and the effects of additives on the viscosity and melting temperature of medium-titanium blast furnace slag investigated. The results show that when the basicity of slag is 1.12, the content of CaF2 0.5%~2%, Fe2O3 about 5%, Al2O3 13.75%, MgO 13.95% and MnO 5%(ω), it is conducive to improving the slag melting temperature and viscosity. Ce2O3 added to the slag makes melting temperature and viscosity increase, which is not conducive to the production.

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What this paper is about

Based on the blast furnace slag from Chengde Iron and Steel Company in Hebei Iron and Steel Group, the slag samples were prepared with chemical reagents, and the effects of additives on the viscosity and melting temperature of medium-titanium blast furnace slag investigated. The results show that when the basicity of slag is 1.12, the content of CaF2 0.5%~2%, Fe2O3 about 5%, Al2O3 13.75%, MgO 13.95% and MnO 5%(ω), it is conducive to improving the slag melting temperature and viscosity. Ce2O3 added to the slag makes melting temperature and viscosity increase, which is not conducive to the production.

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Available abstract

Based on the blast furnace slag from Chengde Iron and Steel Company in Hebei Iron and Steel Group, the slag samples were prepared with chemical reagents, and the effects of additives on the viscosity and melting temperature of medium-titanium blast furnace slag investigated. The results show that when the basicity of slag is 1.12, the content of CaF2 0.5%~2%, Fe2O3 about 5%, Al2O3 13.75%, MgO 13.95% and MnO 5%(ω), it is conducive to improving the slag melting temperature and viscosity. Ce2O3 added to the slag makes melting temperature and viscosity increase, which is not conducive to the production.

Key concepts: Slag (welding), Viscosity, Ground granulated blast-furnace slag, Metallurgy, Titanium, Blast furnace, Melting temperature, Materials science

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