FIELD: oil-gas industry. SUBSTANCE: turbine drive has shaft 1 with turbine 2 on both sides of which fans 3 are mounted. The shaft is set in bearings 4. The spaces of low pressure of turbine 2 and fans 3 are interconnected through slots seals 5 having ring bores 6 connected with main gas pipe line through pipe line 7 upstream of heat exchanging apparatus 8. The inlet spaces of fan 3 are directly connected with the atmosphere. The spaces of high pressure are connected with the inlet of combustion chamber 10 through pipe line 9. The inlet of combustion chamber 10 is also connected with the main pipe line through pipe line 11 and starting-stop valve 12. Combustion chamber 10 is provided with ignition system 13. The outlet of combustion chamber 10 is connected to heat exchanging apparatus 8 mounted at the inlet of turbine 2. EFFECT: enhanced reliability. 2 cl, 1 dwg
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