APPARATUS FOR PRODUCING LIQUID NITROGEN AND GASEOUS HELIUM FROM HIGH- NITROGEN GAS DEPOSIT

摘要

FIELD: cryogenic engineering. SUBSTANCE: in the apparatus, gas purification and drying unit is in-series connected, over pipelines, with water-gas, helium-gas, and nitrogen- gas heat exchangers, compressor, water-gas heat exchanger, turboexpander, separator and liquid nitrogen receiver. EFFECT: simplified design and enhanced operation efficiency. 1 dwge