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Kinetics and optimization of temperature and time regimes for sintering naturally pure Russian dolomites

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Abstract

The kinetics of sintering at 2300 – 2400K naturally pure dolomites of the Melekhovo — Fedot'evo and Lis'egorsk Deposits is investigated experimentally at different heating rates. Kinetic parameters of the processes of densification and grain growth in sintering calculated from experimental data have made it possible to use the kinetic equation as a mathematical model for optimizing the temperature and time regimes of sintering in order to attain maximum densification rates and uniformity of the sintering process in the entire temperature and time range of firing. Preliminary fine milling of the dolomite substantially intensifies sintering, which gives a high-density clinker after firing at temperatures of at most 2100 – 2200 K.

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References

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Authors and Affiliations

  1. St. Petersburg Institute of Refractories, St. Petersburg, Russia

    V. M. Gropyanov, V. L. Novikov & A. V. Gropyanov

Authors
  1. V. M. Gropyanov
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  2. V. L. Novikov
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  3. A. V. Gropyanov
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Translated from Ogneupory, No. 9, pp. 10 – 14, September, 1995.

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Gropyanov, V.M., Novikov, V.L. & Gropyanov, A.V. Kinetics and optimization of temperature and time regimes for sintering naturally pure Russian dolomites. Refractories 36, 280–284 (1995). https://doi.org/10.1007/BF02306193

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  • DOI: https://doi.org/10.1007/BF02306193

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