Abstract
The effect of carbon aggregates on the carbon refractory properties for a blast furnace was studied with X-ray diffraction (XRD), scanning electron microscopy (SEM), an energy-dispersive X-ray, mercury porosimetry, a resistivity instrument, and a laser thermal conductivity meter. The results showed that the microporous structure of a sample was determined by the amount of β-SiC whiskers. The thermal conductivity was controlled by the thermal conductivity of the corresponding carbon aggregate, and the alkali and molten-iron attack was decided mainly by the pore and the graphitization degree of aggregate, respectively. For samples using calcined anthracites as aggregates, the microporous structure became worse, the thermal conductivity increased, and the molten-iron as well as the alkali attack became more severe with an increase in the anthracite calcining temperature. For all samples, microcrystalline graphite possessed the best microporous structure and the least alkali and molten-iron attack, whereas the graphite electrode scraps had the highest thermal conductivity and the most severe alkali and molten-iron attack.
Similar content being viewed by others
References
S. Tamura, S. Fujihara, and M. Ikeda: Am. Ceram. Soc. Bull., 1986, vol. 65, pp. 1065-72.
F. Vernilli Jr., S.M. Justus, and S.N. Silva: ISIJ Int., 2005, vol. 45, pp. 1871-77.
S.M. Justus, S.S. Cava, and L.E. Bastos Soledade: Refractoreis Manual, Interceram, Dusseldorf, Germany, 2003, pp. 60–65.
D.A. Campbell: Steel Times, 1993, vol. 221, pp. 505-06.
M. Nitta and H. Nakamura: Proc. UNITECR’05 Cong., 2005, pp. 377–80.
M. Miwa and T. Yamamoto: Taikabatsu Overseas, 1982, vol. 2, pp. 42-50.
J.P. Mchenry and A.J. Dzermeiko: Steel Times, 1996, vol. 224, pp. 400-04.
X. Zhan and M. Song: Naihuo Cailiao, 1998, vol. 32, pp. 15-17.
L.Q. Ma, Z.L. Xiang, and G.L. Zhang: Carbon Tech., 2001, pp. 6–7.
W. Chen, Q.W. Chen, Z. Li, and Z.P. Pang: Ironmaking, 2001, vol. 20, pp. 27-29.
Y.M. Ren: Clean Coal Tech., 2004, vol. 10, pp. 8-10.
L.Q. Ma: Carbon Tech., 2001, vol. 6, pp. 20-22.
G.L. Zhang, L.Q. Ma, L.Z. Xiang, and J.P. Zhang: Carbon Tech., 2003, pp. 43–47.
L.Q. Ma and L.Z. Xiang: Carbon Tech., 2004, vol. 23, pp. 40-43.
D. Bandyopadhyay, S.D. Singh, D. Sanyal, K.K. Singh, and K.N. Singh: Chem. Eng. J., 2003, vol. 94, pp. 79-92.
T.C. Sheau, S. Richard, S. Haiping, and S. Veena: ISIJ Int., 2006, vol. 46, pp. 652-59.
M.J. Zou and M.S. Song: Iron Steel, 1996, vol. 31, pp. 70-74.
Y.W. Li, X.L. Chen, Y.B. Li, S.L. Jin, S. Ge, L. Zhao, S.J. Li: Naihuo Cailiao, 2008, vol. 42, pp. 401-08.
X.L. Chen, Y.W. Li, Y.B. Li, S.L. Jin, S. Ge, L. Zhao, S.J. Li: J. Wuhan University of Sci. and Technol., 2009, vol. 32, pp.154-59.
X.L. Chen, Y.W. Li, Y.B. Li, S.L. Jin, L. Zhao, S. Ge: Metall. Mater. Trans. A, 2009, vol. 40A, pp.1675-83.
S. Zhang, N.J. Marriott, and W.E. Lee: J. Eur. Ceram. Soc., 2001, vol. 21, pp. 1037-47.
M.N. Khezrabadi, J. Javadpour, H.R. Rezaie, and R. Naghizadeh: J. Mater. Sci., 2006, vol. 41, pp. 3027-32.
Y.W. Li, C.G. Aneziris, X.X. Yi, S.L. Jin, and N. Li: Refractories Manual, Interceram, Dusseldorf, Germany, 2005, pp. 20-23.
S.A. Podkopaev: Refractories and Industrial Ceramics, New York, NY, Springer, 2004, pp. 235-38.
M.L. Allitt, A.J. Whittaker, D.G. Onn, and K.G. Ewsuk: Int. J. Thermophys., 1989, vol. 10, pp. 1053-62.
R.E. Franklin: Proc. R. Soc., 1951, vol. 209, pp. 196-218.
A. Oberlin and G. Terriere: Carbon, 1975, vol. 13, pp. 367-76.
N. Kiichi, O. Toshiio, S. Yoshitomo, M. Manabu, T. Kazuhiko, K. Shigeo, S. Tadashi, and F. Sho: Trans., ISIJ, 1981, vol. 21, pp. 839-45.
Acknowledgments
We would like to thank the New Century Excellent Talents in University (NCET-06-0676) for providing the financial support for this research. The authors also would like to thank the Fangda Carbon Co., Ltd. for the support of carbon materials.
Author information
Authors and Affiliations
Corresponding author
Additional information
Manuscript Submitted June 3, 2009.
Rights and permissions
About this article
Cite this article
Chen, X., Li, Y., Li, Y. et al. Effect of Carbon Aggregates on the Properties of Carbon Refractories for a Blast Furnace. Metall Mater Trans B 41, 420–429 (2010). https://doi.org/10.1007/s11663-009-9336-x
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11663-009-9336-x