Abstract
The microstructure of the fluxes (aluminosilicate clays) tested during pilot sintering of the chromium ore fines of the Don ore-dressing and processing enterprise is studied. The composition of the liquid phase that forms upon softening of materials and bonds chromospinelide grains is analyzed by chemical, electron- probe, and X-ray diffraction analyses. The results demonstrate that the clays have a similar morphology and differ substantially in the phase composition of both the initial fluxes and the binder in the composition of the chromium ore sinter with clay additions. The phase composition of the binder formed upon addition of aluminosilicate clays is compared with the application of an anthropogenic silica-containing flux (microsilica). A relation between the phase composition of the initial fluxes and the aluminosilicate binder in the composition of chromium sinter is found, and the advantages of aluminosilicate clays are demonstrated.
Article PDF
Similar content being viewed by others
Avoid common mistakes on your manuscript.
References
M. A. Ryss, Manufacture of Ferroalloys (Metallurgiya, Moscow, 1985).
D. G. Khokhlov, Yu. A. Gardymov, and Yu. A. Sablin, “Development of a process for agglomeration of chromium ores and concentrates,” Nauch. Tr. Uralmekhanobr., No. 12, 43–45 (1965).
V. V. Kashin, L. I. Leont’ev, V. V. Verushkin, and D. I. Rakitin, “Technological features of production of agglomerate from chromium ore fines and its melting in electric furnaces,” Stal’, No. 4, 36–40 (2004).
Yu. I. Sukharnikov, B. L. Levintov, S. I. Kuz’min, V. A.Mirko, S. A. Krivoptutskii, A. N. Klimushkin, Yu. A. Kabanov, and A. A. Akberdin, “Prospects of creating an efficient technology of agglomeration of chromium ore fines,” Kompleks. Ispol’z. Miner. Syr’ya Kazakhstana, No. 2, 76–80 (1998).
A. A. Akberdin, A. S. Kim, and R. A. Akberdin, “Agglomeration of refractory chromite ore,” in Proceedings of 13th International Conference on Efficient Technologies in Ferroalloy Industry Infacon XIII (2013), Vol. 1, pp. 1–4.
I. B. Edil’baev, O. E. Privalov, M. M. Kospanov, A. V. Suslov, A. I. Kuznetsov, and A. S. Kim, “Production of agglomerate from chromium ores,” Gorn. Zh. Kazakhstana, No. 2, 6–9 (2008).
A. V. Zhdanov, B. N. Nurmaganbetova, and V. A. Pavlov, “Effect of additions of aluminosilicate and silicate materials on the softening temperature of chromite ore,” Russ. Metall. (Metally), No. 4, 513–518 (2015).
L. I. Kaplun and S. A. Lyashenko, “Technique for estimating the quantity of melt during the agglomeration of iron ore materials,” Izv. Vyssh. Uchebn. Zaved., Chern. Metall., No. 4, 8–11 (2003).
A. G. Kaliakparov, A. V. Suslov, B. N. Nurmaganbetova, Yu. G. Yaroshenko, L. I. Kaplun, and A. V. Zhdanov, “Sintering of the chromium ore fines of Don GOK using aluminosilicate clays as fluxing materials,” Stal’, No. 7, 2–6 (2016).
“ChEMK uses gas cleaning dust for the production of concrete addition,” Ural’skii Rynok Metallov, No. 4 (169), 11 (2012).
DIFFRACPlus (Eva Bruler AXS Gmbh, Ostliche, 2008).
Powder Diffraction File PDF4 + ICDD (2014).
G. Shtrubel and Z. Tsimmer, Mineralogical Dictionary (Nedra, Moscow, 1987).
Author information
Authors and Affiliations
Corresponding author
Additional information
Original Russian Text © A.V. Zhdanov, S.A. Petrova, B.N. Nurmaganbetova, D.A. Zherebtsov, 2017, published in Metally, 2017, No. 3, pp. 8–16.
Rights and permissions
About this article
Cite this article
Zhdanov, A.V., Petrova, S.A., Nurmaganbetova, B.N. et al. Effect of addition of silicate and aluminosilicate fluxes on structure and phase composition of chromium sinter. Russ. Metall. 2017, 362–371 (2017). https://doi.org/10.1134/S0036029517050111
Received:
Published:
Issue Date:
DOI: https://doi.org/10.1134/S0036029517050111