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The Solution of the Main Fan Station for Underground Mines Being Decommissioned in Terms of Reducing Energy Consumption by Ventilation

Author

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  • Nikodem Szlązak

    (Faculty of Civil Engineering and Resource Management, AGH University of Science and Technology, Mickiewicza 30 Av., 30-059 Krakow, Poland)

  • Marek Korzec

    (Faculty of Civil Engineering and Resource Management, AGH University of Science and Technology, Mickiewicza 30 Av., 30-059 Krakow, Poland)

Abstract

Ventilation plays a key role in underground mining. It is essential due to the natural hazards and technological processes that come with the nature of mining. However, it is highly energy consuming and generates significant operating expenditures. Fan station parameters are selected based on the needs of a particular mine but mainly consider the requirements for the period of developed mining activities. When the period of mine decommissioning begins, the parameters of the main fan station often exceed its needs. In Poland, many mines have been closed in recent years. However, sometimes, due to the necessity of pumping underground water, it cannot be done thoroughly. In such a situation, it usually turns out that the parameters of the existing fan station significantly exceed the mine’s needs. The main fan stations are devoid of control systems, and even if they have them, they do not allow for a significant reduction of their volume flow rate. Modernising of the station to meet new requirements of the mine is expensive and time consuming. Solving the presented problem is possible by developing a fan station to replace main fans that are too big. The idea is easy to implement and consists of connecting it to an existing upcast shaft or downcast shaft, which will then be changed to upcast. The solution presented in the article has been implemented in two Polish coal mines and is in progress in a third mine. The examples presented in the article clearly show the energy benefits of replacing main fans that are too large.

Suggested Citation

  • Nikodem Szlązak & Marek Korzec, 2022. "The Solution of the Main Fan Station for Underground Mines Being Decommissioned in Terms of Reducing Energy Consumption by Ventilation," Energies, MDPI, vol. 15(13), pages 1-13, June.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:13:p:4612-:d:846442
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    References listed on IDEAS

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    1. Wacław Dziurzyński & Andrzej Krach & Teresa Pałka, 2017. "Airflow Sensitivity Assessment Based on Underground Mine Ventilation Systems Modeling," Energies, MDPI, vol. 10(10), pages 1-15, September.
    2. Chimunhu, Prosper & Topal, Erkan & Ajak, Ajak Duany & Asad, Waqar, 2022. "A review of machine learning applications for underground mine planning and scheduling," Resources Policy, Elsevier, vol. 77(C).
    3. Deyun Zhong & Liguan Wang & Jinmiao Wang & Mingtao Jia, 2020. "An Efficient Mine Ventilation Solution Method Based on Minimum Independent Closed Loops," Energies, MDPI, vol. 13(22), pages 1-16, November.
    4. Chatterjee, Arnab & Zhang, Lijun & Xia, Xiaohua, 2015. "Optimization of mine ventilation fan speeds according to ventilation on demand and time of use tariff," Applied Energy, Elsevier, vol. 146(C), pages 65-73.
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    1. Nikodem Szlązak & Marek Korzec, 2024. "Conditions That Determine Changing the Function of Mine Shafts in a Gassy Coal Mine—A Case Study," Energies, MDPI, vol. 17(6), pages 1-19, March.

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