FIELD: refrigerating equipment. SUBSTANCE: gas- expansion machine and cooling chamber are installed in sequence in refrigerating plant working on gaseous cooling agent. Vortex tube coupled by line of hot flow to refrigerating chamber and by line of cold flow to outlet from refrigerating chamber, pressure regulator and emergency valve are placed in parallel to gas-expansion machine and refrigerating chamber and one to another. EFFECT: increased saving of energy at plants of heat power industry thanks to generation of electricity and cold with gas pressure reduction at gas distribution points and stations. 1 dwg
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