The Study of the Efficiency of Use of Air-Conditioning Systems to Ensure Safety of Mine-Rescue Operations in the Area of High Air Temperatures


Today, the problem of increased air temperatures in excavations of shafts and mines limiting or hampering mine-rescue operations is crucial. The existing technical solutions primarily aim to reduce the effects of heating microclimate on the mine rescuers via the use of individual and collective anti-heat equipment. Meanwhile, a potentially prospective means to ensure safe thermal effects on rescuers is to reduce the air temperature along their route via the use of air conditioning systems. The article is dedicated to developing a methodology for the air-conditioning system calculation to ensure the safety of mine-rescue operations.  The developed methodology is conceptual and based on the principle of equity of the duration and intensity of cooling and heating effects of the environment on mine rescuers, considering the differentiation of the mine-rescue operations’ route by the parameters of tracing and microclimate following the requirements of the Instruction on localization and elimination of accident consequences.  The calculations based on the proposed methodology enable the determination of the cooling capacity of the conditioning system that normalizes the microclimate along the entire length of the mine-rescue operations’ route as well as the maximum air temperature on the route. It is assumed that the developed methodology can be useful in the design of regular and emergency air-conditioning systems.

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DOI: 10.24000/0409-2961-2024-3-7-13
Year: 2024
Issue num: March
Keywords : safety assurance mine air-conditioning system mine accident mine-rescue operations underground microclimate
  • Zaytsev A.V.
    Dr. Sci. (Eng.), Sector Leader Mining Institute UB RAS, Perm, Russia
  • Perestoronin M.O.
    Engineer,, Mining Institute of the Ural Branch of the Russian Academy of Sciences, Perm, Russian Federation