FIELD: ventilation of mines and underground railways. SUBSTANCE: device has a pump, heat exchanger and pipe-lines. It is provided with a solid fuel air-turbine engine with an external heat supply to the gas-to-air heat exchanger located in the furnace of the boiler plant, compressors, air turbine and a generator; the compressors, turbine and the air-turbine engine are mounted on the same shaft, the exhaust nozzle of the engine turbine is connected to the boiler plant wind box, and the inlet diffuser of the compressor of the air-turbine engine is linked with the cooling heat exchanger of the air mixture and mine gases. EFFECT: provision of excessive air flow rate. 1 dwg
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