FIELD: processes or apparatus for liquefying or solidifying gases or gaseous mixtures.
SUBSTANCE: method involves passing gaseous substance flow and coolant flow through heat-exchanging sections having plate-like ribs welded thereto; passing gaseous substance flow and coolant flow in opposite direction to that of cooling flows created by separating side flow from coolant flow; feeding coolant flow exiting the last heat-exchanger section through heat-exchanger section in opposite direction to coolant vapor flow; reducing coolant flow pressure; applying coolant flow to evaporator side having core for generating coolant vapor flow; heating coolant vapor flow in heat-exchanger section; compressing cooling flow and heated coolant vapor flow; cooling compressed flow; passing gaseous flow through heat-exchanger core side with evaporator core to obtain liquid-carrying flow.
EFFECT: reduced number of technological vessels, reduced space and cost.
60 cl, 3 dwg
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