FIELD: heating systems.
SUBSTANCE: invention refers to cryogenic engineering, and namely to natural gas liquefaction method. Natural gas is constricted and supplied from the main pipeline or a recipient to inter-tube space of one of two condenser heat-exchangers installed in parallel and activated in turn as one of them is blocked with deposits of water and carbon dioxide in the from of snow, where it is condensed and supercooled due to heat exchange with liquid argon of high (low) pressure, which is directed to tube space of condenser heat-exchanger. Liquefied natural gas and gaseous high pressure argon serve as independent end products accumulated in cryogenic reservoir - storage tank and bottles (recipients) for pressurised gas correspondingly.
EFFECT: reducing energy consumption.
2 dwg
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