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公开(公告)号：US11760462B2
公开(公告)日：2023-09-19
申请号：US17084359
申请日：2020-10-29
发明人： Hyun Jun Shin , Su Kyung An , Seung Chul Lee
CPC分类号： B63J2/14 , B63B25/16 , F02M21/0215 , F17C6/00 , F17C9/02 , F17C9/04 , F17C2221/033 , F17C2227/0164 , F17C2227/0185 , F17C2227/0339 , F17C2227/0348 , F17C2227/0358 , F17C2265/033 , F17C2265/034 , F17C2265/037 , F17C2265/038 , F17C2265/066 , F17C2270/0105
摘要： Disclosed is a re-liquefying device using a boil-off gas as a cooling fluid so as to re-liquefy the boil-off gas generated from a liquefied gas storage tank provided in a ship. A boil-off gas re-liquefying device for a ship comprises: a multi-stage compression unit for compressing boil-off gas generated from a liquefied gas storage tank; a heat exchanger in which the boil-off gas generated from the storage tank and the boil-off gas compressed exchange heat; a vaporizer for heat exchanging the boil-off gas cooled by the heat exchanger and a separate liquefied gas supplied to a fuel demand source of a ship, and thus cooling the boil-off gas; an intermediate cooler for cooling the boil-off gas that has been cooled by the heat exchanger; and an expansion means for branching a part of the boil-off gas, which is supplied to the intermediate cooler, and expanding the same.
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公开(公告)号：US11724781B2
公开(公告)日：2023-08-15
申请号：US16635962
申请日：2017-08-03
发明人： Joon Chae Lee , Dong Kyu Choi , Hyun Jun Shin
CPC分类号： B63B25/16 , F17C9/02 , B63H21/38 , F17C6/00 , F17C2227/0339 , F17C2265/017 , F17C2265/031 , F17C2265/033 , F17C2265/038
摘要： A BOG reliquefaction system includes: a compressor; a heat exchanger cooling the BOG compressed by the compressor through heat exchange using BOG not compressed by the compressor; a pressure reducer disposed downstream of the heat exchanger and reducing a pressure of fluid cooled by the heat exchanger; and a combination of a first temperature sensor disposed upstream of a cold fluid channel of the heat exchanger and a fourth temperature sensor disposed downstream of a hot fluid channel of the heat exchanger, combination of a second temperature sensor disposed downstream of the cold fluid channel of the heat exchanger and a third temperature sensor disposed upstream of the hot fluid channel of the heat exchanger, or combination of a first pressure sensor disposed upstream of the hot fluid channel of the heat exchanger and a second pressure sensor disposed downstream of the hot fluid channel of the heat exchanger.
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3.发明授权
公开(公告)号：US3260060A
公开(公告)日：1966-07-12
申请号：US39409964
申请日：1964-08-26
申请人： RYAN IND INC
CPC分类号： F17C3/08 , F17C9/02 , F17C13/123 , F17C2201/0104 , F17C2201/032 , F17C2203/018 , F17C2203/0391 , F17C2203/0631 , F17C2205/0323 , F17C2205/0338 , F17C2205/0352 , F17C2221/031 , F17C2223/0153 , F17C2223/0161 , F17C2223/033 , F17C2223/047 , F17C2225/047 , F17C2227/0339 , F17C2265/038 , F17C2270/0509
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公开(公告)号：US3229473A
公开(公告)日：1966-01-18
申请号：US24316862
申请日：1962-12-07
IPC分类号： F17C3/02
CPC分类号： F17C3/025 , F17C2203/0325 , F17C2203/0333 , F17C2203/0341 , F17C2203/035 , F17C2203/0354 , F17C2203/0379 , F17C2203/0391 , F17C2203/0604 , F17C2203/0607 , F17C2203/0631 , F17C2203/0643 , F17C2203/0646 , F17C2203/0648 , F17C2205/0338 , F17C2205/035 , F17C2221/033 , F17C2221/035 , F17C2223/0161 , F17C2223/033 , F17C2227/0135 , F17C2227/0178 , F17C2250/043 , F17C2250/0626 , F17C2260/032 , F17C2260/033 , F17C2260/042 , F17C2265/034 , F17C2265/036 , F17C2265/038 , F17C2270/0105
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公开(公告)号：US12031677B2
公开(公告)日：2024-07-09
申请号：US17371370
申请日：2021-07-09
申请人： China Energy Investment Corporation Limited , National Institute of Clean-and-Low-Carbon Energy
发明人： Xianming Li , Anthony Ku , Jerad Allen Stager , Ashwin Ramteke
CPC分类号： F17C13/04 , F02M21/02 , F17C2221/012 , F17C2223/013 , F17C2223/0161 , F17C2227/0135 , F17C2227/0142 , F17C2227/036 , F17C2250/0626 , F17C2265/03 , F17C2265/033 , F17C2265/038 , F17C2270/0184
摘要： A system and a method with boil-off management for liquefied fuel storage are provided. The system includes a cryotank for storing a liquefied fuel, a pump for providing and compressing a first stream of the liquefied fuel, a heat exchanger for provide cooling duty to the first stream of the liquefied fuel, and an expansion valve for expanding the first stream of the liquefied fuel after the heat exchanger into a multiphase stream comprising a liquid phase and a gas phase. The multiphase stream has a temperature lower than an initial temperature of the first stream from the cryotank. The system further comprises a liquid-vapor splitter for separating the liquid phase and gas phase in the multiphase stream. The liquid phase is returned into the cryotank.
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公开(公告)号：US12006017B2
公开(公告)日：2024-06-11
申请号：US17148182
申请日：2021-01-13
发明人： Hyun Jun Shin , Su Kyung An , Seung Chul Lee
CPC分类号： B63J2/14 , B63B25/16 , F02M21/0215 , F17C6/00 , F17C9/02 , F17C9/04 , F17C2221/033 , F17C2227/0164 , F17C2227/0185 , F17C2227/0339 , F17C2227/0348 , F17C2227/0358 , F17C2265/033 , F17C2265/034 , F17C2265/037 , F17C2265/038 , F17C2265/066 , F17C2270/0105 , F25J1/0025
摘要： Disclosed is a re-liquefying device using a boil-off gas as a cooling fluid so as to reliquefy the boil-off gas generated from a liquefied gas storage tank provided in a ship. A boil-off gas re-liquefying device for a ship comprises: a multi-stage compression unit for compressing boil-off gas generated from a liquefied gas storage tank; a heat exchanger in which the boil-off gas generated from the storage tank and the boil-off gas compressed exchange heat; a vaporizer for heat exchanging the boil-off gas cooled by the heat exchanger and a separate liquefied gas supplied to a fuel demand source of a ship, and thus cooling the boil-off gas; an intermediate cooler for cooling the boil-off gas that has been cooled by the heat exchanger; and an expansion means for branching a part of the boil-off gas, which is supplied to the intermediate cooler, and expanding the same.
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公开(公告)号：US20180238617A1
公开(公告)日：2018-08-23
申请号：US15900040
申请日：2018-02-20
CPC分类号： F25J1/0025 , F17C9/02 , F17C2221/033 , F17C2223/0161 , F17C2223/043 , F17C2225/0123 , F17C2225/035 , F17C2227/0157 , F17C2227/0302 , F17C2227/0339 , F17C2227/0388 , F17C2260/035 , F17C2265/033 , F17C2265/036 , F17C2265/037 , F17C2265/038 , F17C2265/066 , F17C2270/0105 , F25J1/0035 , F25J1/004 , F25J1/0042 , F25J1/0202 , F25J1/023 , F25J1/0277 , F25J1/0296 , F25J2210/06 , F25J2230/08 , F25J2230/30 , F25J2290/12 , F25J2290/72
摘要： Provided is a partial reliquefaction system including a boil-off gas (BOG) compression system receiving a BOG exiting from a liquefied natural gas (LNG) storage tank, a high-pressure compression section receiving a BOG stream from the BOG compression system, a heat exchanger effectuating a temperature drop of the BOG stream, an expander receiving the cooled BOG stream after passing through the heat exchanger, and a separator vessel for receiving a gas/liquid mixture, wherein a gas portion of the gas/liquid mixture is recirculated through the heat exchanger to act as the cooling medium for the heat exchanger.
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公开(公告)号：US2732687A
公开(公告)日：1956-01-31
申请号：US2732687D
IPC分类号： F17C1/00
CPC分类号： F17C1/002 , F17C2201/0109 , F17C2201/035 , F17C2201/054 , F17C2203/0617 , F17C2203/0636 , F17C2205/0323 , F17C2205/0332 , F17C2205/0335 , F17C2205/0352 , F17C2205/0379 , F17C2209/221 , F17C2221/03 , F17C2221/035 , F17C2223/0153 , F17C2223/033 , F17C2223/035 , F17C2227/0339 , F17C2227/0369 , F17C2227/0383 , F17C2227/0393 , F17C2260/012 , F17C2260/016 , F17C2260/042 , F17C2265/032 , F17C2265/034 , F17C2265/038 , F17C2270/011 , F17C2270/0115 , Y10T137/6552
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公开(公告)号：US2217583A
公开(公告)日：1940-10-08
申请号：US32541940
申请日：1940-03-22
申请人： SOUTHERN STEEL CO
发明人： WHITE LOYD J
CPC分类号： F17C1/007 , F17C7/04 , F17C2201/0109 , F17C2201/035 , F17C2201/054 , F17C2203/0617 , F17C2205/0323 , F17C2205/0332 , F17C2205/0338 , F17C2205/0352 , F17C2205/0382 , F17C2221/035 , F17C2223/0153 , F17C2223/035 , F17C2223/047 , F17C2225/0153 , F17C2225/033 , F17C2227/0316 , F17C2227/0393 , F17C2260/032 , F17C2265/038 , F17C2265/05 , F17C2270/0147 , F17C2270/016 , Y10T137/6416 , Y10T137/6995 , Y10T137/7795
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公开(公告)号：US20190248450A1
公开(公告)日：2019-08-15
申请号：US16338451
申请日：2016-10-17
发明人： Seung Chul LEE , Seon Jin KIM , Dong Kyu CHOI
CPC分类号： B63B25/16 , F17C5/02 , F17C6/00 , F17C9/02 , F17C13/00 , F17C13/002 , F17C13/025 , F17C13/026 , F17C2227/0185 , F17C2250/0689 , F17C2265/033 , F17C2265/037 , F17C2265/038 , F17C2270/0105
摘要： An apparatus for reliquefaction of boil-off gas for a vessel, comprises: a compression unit for compressing the boil-off gas discharged from the storage tank; and a heat exchanger for heat-exchanging the compressed boil-off gas compressed by the compression unit with the boil-off gas discharged from the storage tank; a first expansion means for dividing the boil-off gas passing through the heat exchanger into at least two flows including a first flow and a second flow, and expanding the divided first flow; a first intercooler for cooling the second flow remaining after the division of the first flow by using the first flow expanded by the expansion means as a refrigerant; and a receiver for receiving a second flow having passed through the first intercooler, in which a downstream pressure of the compression unit is controlled by a flow discharged from the receiver.
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