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Volume 24 Issue 6
Jun.  2017
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文章导航 >  矿物冶金与材料学报（英文）  > 2017  >  24(6): 627-637
Ye-lian Zhou, Zhi-yin Deng,  and Miao-yong Zhu, Study on the separation process of non-metallic inclusions at the steel-slag interface using water modeling, Int. J. Miner. Metall. Mater., 24(2017), No. 6, pp. 627-637. https://doi.org/10.1007/s12613-017-1445-y
Cite this article as:
Ye-lian Zhou, Zhi-yin Deng,  and Miao-yong Zhu, Study on the separation process of non-metallic inclusions at the steel-slag interface using water modeling, Int. J. Miner. Metall. Mater., 24(2017), No. 6, pp. 627-637. https://doi.org/10.1007/s12613-017-1445-y
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Study on the separation process of non-metallic inclusions at the steel-slag interface using water modeling

  • School of Metallurgy, Northeastern University, Shenyang 110819, China

  • Key Laboratory for Ecological Utilization of Multimetallic Mineral of the Ministry of Education, Shenyang 110819, China

  • 通讯作者:

    Miao-yong Zhu    E-mail: myzhu@mail.neu.edu.cn

  • The separation process of non-metallic inclusions at the steel-slag interface was simulated by physical modeling. Three different kinds of particles (octahedral, plate-like, and spherical) and three different oils (kerosene, bean oil, and pump oil) were used to model inclusions and slags, respectively. The effects of inclusion geometry (shape and size) and slag properties (viscosity and interfacial tension) on the separation process were investigated. The results revealed that the variation of surface free energy and the viscosity of the slag are two significant factors affecting the separation process of inclusions at the steel-slag interface. The variation of surface free energy helped inclusions enter the slag phase, whereas the decrease of slag viscosity shortened the separation time. The deformation of the steel-slag interface could give rise to the resistance force, which would resist inclusions passing through the interface. A liquid film formed on the inclusion as it passed through the steel-slag interface, which might be related to the inclusion's shape.
    • Research Article

    Study on the separation process of non-metallic inclusions at the steel-slag interface using water modeling

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      Abstract
    • The separation process of non-metallic inclusions at the steel-slag interface was simulated by physical modeling. Three different kinds of particles (octahedral, plate-like, and spherical) and three different oils (kerosene, bean oil, and pump oil) were used to model inclusions and slags, respectively. The effects of inclusion geometry (shape and size) and slag properties (viscosity and interfacial tension) on the separation process were investigated. The results revealed that the variation of surface free energy and the viscosity of the slag are two significant factors affecting the separation process of inclusions at the steel-slag interface. The variation of surface free energy helped inclusions enter the slag phase, whereas the decrease of slag viscosity shortened the separation time. The deformation of the steel-slag interface could give rise to the resistance force, which would resist inclusions passing through the interface. A liquid film formed on the inclusion as it passed through the steel-slag interface, which might be related to the inclusion's shape.
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