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Analysis of the Fire Propagation in a Sublevel Coal Mine

Author

Listed:
  • Florencio Fernánez-Alaiz

    (AITEMINLE SL, Arriba, 31, Villanueva Del Árbol (Villaquilambre), 24197 León, Spain)

  • Ana Maria Castañón

    (Department of Mining, Topography and Structures, University of León (ESTIM), Campus de Vegazana, s.n, 24071 León, Spain)

  • Fernando Gómez-Fernández

    (Department of Mining, Topography and Structures, University of León (ESTIM), Campus de Vegazana, s.n, 24071 León, Spain)

  • Antonio Bernardo-Sánchez

    (Department of Mining, Topography and Structures, University of León (ESTIM), Campus de Vegazana, s.n, 24071 León, Spain)

  • Marc Bascompta

    (Department of Mining, Industrial and ICT Engineering, Polytechnic University of Catalonia (UPC), Manresa, Av. Bases de Manresa, 61-73, 08242 Barcelona, Spain)

Abstract

A fire has been analyzed in a real underground coal mine, using a sublevel method, during an entire year. The study was focused on the collapsed area, reproducing a real mixture formed by coal, waste, and air gap. The analysis was done by means of an experimental analysis, a computational fuid dynamic model (CFD), and simulations using a mine ventilation software. Three scenarios were determined and studied regarding their influence on the evolution of the fire: (a) development of the fire without taking any action, (b) sealing off the affected areas, and (c) sealing and reducing the ventilation in the affected area and surrounding drifts. The study revealed the behavior of the fire in a real mine and the effectiveness of the main fire-fighting measures over time, verifying that none of the measures taken could eliminate the fire-induced in the collapsed area.

Suggested Citation

  • Florencio Fernánez-Alaiz & Ana Maria Castañón & Fernando Gómez-Fernández & Antonio Bernardo-Sánchez & Marc Bascompta, 2020. "Analysis of the Fire Propagation in a Sublevel Coal Mine," Energies, MDPI, vol. 13(14), pages 1-16, July.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:14:p:3754-:d:387724
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    References listed on IDEAS

    as
    1. Zhongwei Wang & Ting Ren & Liqiang Ma & Jian Zhang, 2018. "Investigations of Ventilation Airflow Characteristics on a Longwall Face—A Computational Approach," Energies, MDPI, vol. 11(6), pages 1-25, June.
    2. Yuguo Wu & Yulong Zhang & Jie Wang & Xiaoyu Zhang & Junfeng Wang & Chunshan Zhou, 2020. "Study on the Effect of Extraneous Moisture on the Spontaneous Combustion of Coal and Its Mechanism of Action," Energies, MDPI, vol. 13(8), pages 1-17, April.
    3. Grzegorz Pach & Zenon Różański & Paweł Wrona & Adam Niewiadomski & Pavel Zapletal & Václav Zubíček, 2020. "Reversal Ventilation as a Method of Fire Hazard Mitigation in the Mines," Energies, MDPI, vol. 13(7), pages 1-17, April.
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    Citations

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    Cited by:

    1. Florencio Fernández-Alaiz & Ana Maria Castañón & Fernando Gómez-Fernández & Antonio Bernardo-Sánchez & Marc Bascompta, 2020. "Determination and Fire Analysis of Gob Characteristics Using CFD," Energies, MDPI, vol. 13(20), pages 1-11, October.
    2. Huiuk Yi & Minsik Kim & Dongkil Lee & Jongmyung Park, 2022. "Applications of Computational Fluid Dynamics for Mine Ventilation in Mineral Development," Energies, MDPI, vol. 15(22), pages 1-24, November.
    3. Magdalena Tutak & Jarosław Brodny & Dawid Szurgacz & Leszek Sobik & Sergey Zhironkin, 2020. "The Impact of the Ventilation System on the Methane Release Hazard and Spontaneous Combustion of Coal in the Area of Exploitation—A Case Study," Energies, MDPI, vol. 13(18), pages 1-31, September.

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