FIELD: refrigerating engineering. SUBSTANCE: air is compressed in compressor 1, expanded in turbo-expander 8 and thermal load is taken by cold consumers 10. Compression of air is effected by work obtained through reducing natural gas in turbine 2. Before expansion, air is cooled by air after cold consumer 10; flow rate of natural gas fed to turbine 2 and air fed to compressor 1 is selected from definite relationship. EFFECT: enhanced reliability. 2 cl, 1 dwg
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