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Journal of Iron and Steel Research International

Erschienen in:

30.01.2023 | Original Paper

Effects of MgO/Al₂O₃ and CaO/SiO₂ ratios on viscosity of high titanium-bearing blast furnace slag

verfasst von: Hua-bin Gao, Jue Tang, Man-sheng Chu, Shu-yu Zhong, Zheng-gen Liu

Erschienen in: Journal of Iron and Steel Research International | Ausgabe 3/2023

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Abstract

The effects of MgO/Al₂O₃ and CaO/SiO₂ ratios on the viscosity, break-point temperature, and viscous activation energy of a high titanium-bearing slag were studied. The results showed that both the viscosity and the break-point temperature of the slag decreased with the MgO/Al₂O₃ ratio increasing from 0.50 to 0.65, the viscous activation energy decreased gradually, and the thermal stability became better. In addition, with an increase in CaO/SiO₂ ratio from 1.12 to 1.22, the main viscous units in the slag depolymerized and the viscosity of slag decreased. However, the break-point temperature of slag showed an increasing tendency. The viscous activation energy decreased gradually and the thermal stability became better. The basic phase in the experimental high titanium-bearing slag was pyroxene, and its amount increased with increasing the MgO/Al₂O₃ ratio while decreased with increasing the CaO/SiO₂ ratio.

Vorheriger Artikel Mineralization characteristics of pellets prepared by ultrafine magnetite concentrate: influence on metallurgical property and improving method

Nächster Artikel Variation of meniscus shape and initial steel solidification under different steel–slag interfacial tension in continuous casting mold of slab

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Titel: Effects of MgO/Al2O3 and CaO/SiO2 ratios on viscosity of high titanium-bearing blast furnace slag
verfasst von: Hua-bin Gao
Jue Tang
Man-sheng Chu
Shu-yu Zhong
Zheng-gen Liu
Publikationsdatum: 30.01.2023
Verlag: Springer Nature Singapore
Erschienen in: Journal of Iron and Steel Research International / Ausgabe 3/2023
Print ISSN: 1006-706X
Elektronische ISSN: 2210-3988
DOI: https://doi.org/10.1007/s42243-022-00876-3

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