METHOD OF PRODUCING FREEZING MEDIUM USING INTERMEDIATE MEDIUM TYPE CARBURETOR, AND FREEZING MEDIUM SUPPLY DESTINATION FACILITY

摘要

PROBLEM TO BE SOLVED: To sufficiently reduce running cost and CO2in a middle-scale cold recovering carburetor. SOLUTION: When heat exchange is carried out between an intermediate medium P with a boiling point of -40°C or lower at a normal pressure and a freezing medium R with a freezing point of -20°C or lower, the intermediate medium P evaporated in a subzero low temperature region vaporizes an LNG in the subzero low temperature region. In this process, the intermediate medium P recovering cold temperature of the LNG is liquefied to cool the freezing medium R to a predetermined temperature. COPYRIGHT: (C)2011,JPO&INPIT