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BOG RECONDENSER AND LNG STORAGE SYSTEM PROVIDED WITH SAME
BOG RECONDENSER AND LNG STORAGE SYSTEM PROVIDED WITH SAME
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机译:相同的BOG冷凝器和LNG存储系统
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摘要
PROBLEM TO BE SOLVED: To provide a BOG recondenser for recondensing BOG of LNG with high heat exchange efficiency while removing nitrogen in BOG of NG and without using a compressor. SOLUTION: A BOG recondenser 1 has an LNG buffer tank (12), a first condenser (111), and a second condenser (211). The first (condenser 111) has a first heat exchanger (112). The second condenser (211) has a second heat exchanger (212). BOG generated in the LNG buffer tank (12) is recondensed by heat exchange with a coolant in the first heat exchanger (112). The BOG not yet recondensed is introduced to the second condenser (211). Some of the BOG introduced to the second condenser (211) is recondensed by the second heat exchanger (212) and returned to the LNG buffer tank (12). In the second heat exchanger (212), at least some of the coolant exchanging heat with the BOG in the second condenser (211) is made to also exchange heat in the first heat exchange (112) with the BOG in the first condenser (111).
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