FIELD: oil and gas industry.
SUBSTANCE: combustion gas is used as a heat source for air heating, burned in a shaft in air flow coming into a mine; at that, the inside surface of a shaft during gas combustion is covered with heat-insulation non-combustible heat-reflective coating, and consumption and temperature of air supplied to a main are measured for calculation of consumption of combustion gas. Application of the proposed method allows for increasing efficiency of heating of air supplied to a mine and reducing costs for creation of favourable microclimate at work places.
EFFECT: higher efficiency of method of air heating in mines.
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