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The sintering of magnesite over the length of rotary kilns

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Refractories Aims and scope

Conclusions

We investigated the processes of degeneration and sintering of raw magnesite over the length of a 90 m rotary kiln heated with natural gas.

According to the physicochemical processes taking place in magnesite during calcination, the rotary kiln, starting from the loading head, can be tentatively divided into the following zones: preheat up to 15 m of the length, decarbonization 15–65 m, sintering 65–81 m, and cooling 81–90 m. We demonstrate the dynamics of formation of the structures of fine fractions of powder, being in the main aggregates of pseudomorphs of periclase around the broken carbonate.

As a result of the investigation of the physicochemical processes we determined the tentative heating temperatures of the material over the length of the kiln which must be tightened up experimentally.

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Literature cited

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Authors and Affiliations

  1. Magnezit Factory, USSR

    V. A. Perepelitsyn, K. V. Simonov, V. S. Korshunov, A. G. Belogrudov & A. G. Luzin

Authors
  1. V. A. Perepelitsyn
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  2. K. V. Simonov
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  3. V. S. Korshunov
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  4. A. G. Belogrudov
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  5. A. G. Luzin
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Additional information

Translated from Ogneupory, No. 9, pp. 51–55, September, 1968.

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Perepelitsyn, V.A., Simonov, K.V., Korshunov, V.S. et al. The sintering of magnesite over the length of rotary kilns. Refractories 9, 581–586 (1968). https://doi.org/10.1007/BF01283504

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  • DOI: https://doi.org/10.1007/BF01283504

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