Hongming Wang, Guirong Li, Zhongming Ren, Bo Li, Xuejun Zhang,  and Guomin Shi, LATS refining ladle slag modifying with CaO-CaF2, J. Univ. Sci. Technol. Beijing, 14(2007), No. 2, pp. 125-129. https://doi.org/10.1016/S1005-8850(07)60025-5
Cite this article as:
Hongming Wang, Guirong Li, Zhongming Ren, Bo Li, Xuejun Zhang,  and Guomin Shi, LATS refining ladle slag modifying with CaO-CaF2, J. Univ. Sci. Technol. Beijing, 14(2007), No. 2, pp. 125-129. https://doi.org/10.1016/S1005-8850(07)60025-5
Metallurgy

LATS refining ladle slag modifying with CaO-CaF2

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  • Corresponding author:

    Hongming Wang    E-mail: whmlgr@ujs.edu.cn

  • Received: 28 October 2005
  • To reduce the slag sticking onto the snorkel of the ladle during the ladle alloying treatment station (LATS) process, CaO-CaF2 (the mass ratio of CaO/CaF2 is 1:1) was employed as the modifier of the LATS refining ladle slag. The effect of CaO-CaF2 on the melting point, viscosity, and desulfurizing capability of the ladle slag was investigated. The melting point of the unmodified ladle slag is 1439℃. When adding 20wt% CaO-CaF2, the melting point is decreased to 1327℃. At 1500℃. the viscosity of the unmodified ladle slag is 6.5 Pa.s, which can be decreased lower than 2 Pa.s by adding more than 10wt% CaO-CaF2. The experimental results of desulfurization of the melts show that the desulfurizing power of the ladle slag can be enhanced by adding CaO-CaF2.
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