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Analytic studies of the thermal conditions for prevention of self-ignition of coal

  • Mine Aerodynamics
  • Published:
Soviet Mining Aims and scope

Conclusions

  1. 1.

    On the basis of the investigations reported in the paper, the possibility for preventing endogeneous fires by feeding a separate jet of cold air into the zone of the focus of coal self-heating in the conditions prevalent in the mines in the northeastern USSR has been proven theoretically.

  2. 2.

    The relationships between the time of coal self-heating focus suppression and the length of the coal accumulation and the velocity and initial temperature of the gas and air have been obtained, allowing one to choose the optimum regimes for focus cooling.

  3. 3.

    The results of the investigation have been recommended for use in selecting the parameters of technological procedures for prevention of endogenous fires based on application of cold air for braking the process of coal oxidation.

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Literature Cited

  1. L. P. Belaventsev and V. F. Fel'zing, “Endogenous fire hazard in permafrost conditions,” Ugol', No. 10 (1980).

  2. V. S. Veselovskii, Self-Ignition of Materials [in Russian], Nauka, Moscow (1964).

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  3. H. S. Carslaw and J. C. Jaeger, Conduction of Heat in Solids, Oxford Univ. Press (1959).

  4. Manual on Prevention and Suppression of Endogenous Fires during Working of Coal Mine Layers in Permafrost Areas [in Russian], VostNII, Kemerovo (1977).

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Authors
  1. L. P. Belaventsev
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  2. N. I. Bryukhanov
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  3. A. Ya. Kaminskii
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  4. V. F. Fel'zing
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Additional information

Eastern Scientific-Research Institute, Kemerovo. Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 6, pp. 91–94, November–December, 1982.

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Belaventsev, L.P., Bryukhanov, N.I., Kaminskii, A.Y. et al. Analytic studies of the thermal conditions for prevention of self-ignition of coal. Soviet Mining Science 18, 533–536 (1982). https://doi.org/10.1007/BF02528378

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  • DOI: https://doi.org/10.1007/BF02528378

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