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公开(公告)号：US12111102B2
公开(公告)日：2024-10-08
申请号：US18054635
申请日：2022-11-11
CPC分类号： F25J1/0022 , C09K5/042 , C09K5/045 , F25J1/0062 , F25J1/0097 , F25J1/0256 , F25J1/0278 , C09K2205/126
摘要： Methods and systems for liquefying natural gas using environmentally-friendly low combustibility refrigerants are provided. Methods of liquefaction include cooling a fluid in an LNG facility via indirect heat exchange with an environmentally-friendly low combustibility refrigerants that are propane, ethane and methane mixed with small amounts of fluorinated olefin, but still within close proximity to the boiling points of the pure refrigerants such that the mixed refrigerants can still be used in an optimized cascade process.
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公开(公告)号：US09835373B2
公开(公告)日：2017-12-05
申请号：US14280134
申请日：2014-05-16
CPC分类号： F25J1/021 , F17C2221/033 , F17C2223/0161 , F17C2227/0157 , F17C2265/033 , F17C2265/034 , F17C2265/05 , F25J1/0022 , F25J1/0025 , F25J1/004 , F25J1/0052 , F25J1/0208 , F25J1/0209 , F25J1/0248 , F25J1/0278 , F25J2235/60 , F25J2245/90 , F25J2290/62
摘要： Methods and systems for vaporizing and recovering LNG are provided. One method includes: a) heating at least a portion of the LNG to provide a boil-off gas stream and a liquid quench stream; b) routing the boil-off gas stream and the liquid quench stream to a quench system, wherein the quench system cools the boil-off gas stream to provide a quenched stream; and c) compressing the quenched stream to provide a compressed quenched stream.
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