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Determining and Verifying the Operating Parameters of Suppression Nozzles for Belt Conveyor Drives

Author

Listed:
  • Dominik Bałaga

    (Division of Machines and Equipment, KOMAG Institute of Mining Technology, Pszczyńska 37 Street, 44-101 Gliwice, Poland)

  • Marek Kalita

    (Division of Machines and Equipment, KOMAG Institute of Mining Technology, Pszczyńska 37 Street, 44-101 Gliwice, Poland)

  • Michał Siegmund

    (Division of Machines and Equipment, KOMAG Institute of Mining Technology, Pszczyńska 37 Street, 44-101 Gliwice, Poland)

  • Krzysztof Nieśpiałowski

    (Division of Machines and Equipment, KOMAG Institute of Mining Technology, Pszczyńska 37 Street, 44-101 Gliwice, Poland)

  • Sławomir Bartoszek

    (Division of Mechatronic Systems, KOMAG Institute of Mining Technology, Pszczyńska 37 Street, 44-101 Gliwice, Poland)

  • Piotr Bortnowski

    (Department of Mining, Faculty of Geoengineering, Mining and Geology, Wrocław University of Science and Technology, Na Grobli 15 Street, 50-421 Wrocław, Poland)

  • Maksymilian Ozdoba

    (Department of Mining, Faculty of Geoengineering, Mining and Geology, Wrocław University of Science and Technology, Na Grobli 15 Street, 50-421 Wrocław, Poland)

  • Andrzej Walentek

    (Department of Extraction Technologies, Rockburst and Risk Assessment, Central Mining Institute, Plac Gwarków 1, 40-166 Katowice, Poland)

  • Bożena Gajdzik

    (Department of Industrial Informatics, Silesian University of Technology, Krasińskiego 8 Street, 40-019 Katowice, Poland)

Abstract

Drives in belt conveyors are critical components of the conveyor system, susceptible to various factors that can cause disruptions and energy losses. In underground mining conditions, the risk of drive fires is particularly hazardous. Therefore, it is necessary to develop highly effective fire suppression systems. However, there are no guidelines for designing such systems. This study presents a methodology for selecting and verifying the fire suppression systems for belt conveyor drives. The proposed AMIGA system for extinguishing fires on underground coal mine conveyor belts, incorporating spraying and water mist installations, is supported by a theoretical calculation methodology. This enables determining the number of required nozzles and flow rate for complete fire suppression. The development of a methodology for the selection and verification of the sprinkler system components utilized guidelines provided in the standard VdS 2109:2002-03 and the PN-EN 12845+A2 standard from 2010, while a novel approach is proposed for water mist parameters that has not been previously applied anywhere else, and is based on assessing the fire’s intensity and the persistent disruption of the energy balance of the combusted coal. The theoretical calculations for potential fire power facilitate the determination of the appropriate water flow rate for the spraying system to protect the upper belt drive. For the proposed AMIGA system, the potential fire power was calculated to be 10.33 MJ / min . Based on this, the water flow rate for the spraying installation to protect the upper drive belt of the conveyor was established to be a minimum 37.5 dm 3 / min , and 21.4 dm 3 / min for the mist installation used to protect the space below the conveyor drive. In order to verify the developed methodology for parameter selection, on-site tests were conducted to verify the results. Tests were conducted on an AMIGA prototype suppression system integrated into a conveyor drive. The results demonstrate that the developed system is effective in extinguishing fires on the belt using the spraying installation, as well as under the conveyor belt drive using the water mist installation, within the entire supply pressure range ( 0.4 MPa to 1.6 MPa ).

Suggested Citation

  • Dominik Bałaga & Marek Kalita & Michał Siegmund & Krzysztof Nieśpiałowski & Sławomir Bartoszek & Piotr Bortnowski & Maksymilian Ozdoba & Andrzej Walentek & Bożena Gajdzik, 2023. "Determining and Verifying the Operating Parameters of Suppression Nozzles for Belt Conveyor Drives," Energies, MDPI, vol. 16(16), pages 1-18, August.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:16:p:6077-:d:1220988
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    References listed on IDEAS

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    1. Zhang, Shirong & Xia, Xiaohua, 2010. "Optimal control of operation efficiency of belt conveyor systems," Applied Energy, Elsevier, vol. 87(6), pages 1929-1937, June.
    2. Oleksandr Haidai & Vladyslav Ruskykh & Nataliia Ulanova & Vira Prykhodko & Edgar Cáceres Cabana & Roman Dychkovskyi & Natalia Howaniec & Adam Smolinski, 2022. "Mine Field Preparation and Coal Mining in Western Donbas: Energy Security of Ukraine—A Case Study," Energies, MDPI, vol. 15(13), pages 1-12, June.
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    Cited by:

    1. Krzysztof Krauze & Tomasz Wydro & Ryszard Klempka & Kamil Mucha, 2023. "Application of an Analytical Model of a Belt Feeder for Assessing the Load and Stability of Its Structure," Energies, MDPI, vol. 16(24), pages 1-17, December.

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