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1. 发明授权

EP3388326B1 VESSEL COMPRISING ENGINE 有权
公开(公告)号：EP3388326B1
公开(公告)日：2024-07-10
申请号：EP16873183.4
申请日：2016-06-29
IPC分类号： B63B25/16 , B63H21/38 , F17C6/00 , F25J1/00 , F25J1/02
CPC分类号： B63B25/16 , B63H21/38 , F25J1/004 , F25J1/0045 , F25J1/0202 , F25J1/023 , F25J1/0277 , F17C2223/016120130101 , F17C2223/03320130101 , F17C2265/03320130101 , F17C2265/03820130101 , F17C2270/010520130101 , F17C2221/03320130101 , F17C2265/06620130101 , F25J1/0025

4. 发明公开

EP4368489A1 SYSTEM AND METHOD FOR RELIQUEFYING BOIL-OFF GAS OF VESSEL 审中-实审
公开(公告)号：EP4368489A1
公开(公告)日：2024-05-15
申请号：EP21949452.3
申请日：2021-12-24
申请人： Hanwha Ocean Co., Ltd.
发明人： LEE, Joon Chae , CHOI, Won Jae , CHOI, Dong Kyu
IPC分类号： B63B25/16 , B63H21/38 , B63B17/00 , F17C6/00 , F17C9/02
CPC分类号： B63B25/16 , B63B17/00 , B63H21/38 , F17C6/00 , F17C9/02
摘要： A system and method for reliquefying boil-off gas of a vessel are disclosed. The system for reliquefying boil-off gas includes: a compressor provided to the vessel and compressing boil-off gas generated in a storage tank storing liquefied gas; a reliquefaction line extending from the compressor to the storage tank and reliquefying compressed gas to deliver reliquefied gas to the storage tank; a heat exchanger provided to the reliquefaction line and receiving and cooling the compressed gas; a first refrigerant compression part compressing a refrigerant discharged from the heat exchanger after cooling the compressed gas; a second refrigerant compression part further compressing the refrigerant compressed in the first refrigerant compression part; and a refrigerant expansion part expanding and cooling the refrigerant compressed through the first and second refrigerant compression parts and supplying the refrigerant to the heat exchanger, wherein the refrigerant compressed through the first and second refrigerant compression parts is pre-cooled in the heat exchanger, expanded and cooled in the refrigerant expansion part, and supplied as a cold heat source to the heat exchanger, and wherein the first refrigerant compression part or the second refrigerant compression part is driven by expansion energy of the refrigerant delivered from the refrigerant expansion part.

5. 发明授权

EP3907127B1 MEMBRANE-TYPE INSULATING SYSTEM FOR CARGO TANK AND LIQUEFIED GAS FUEL CONTAINER OF CRYOGENIC LIQUEFIED GAS CARRIER 有权转让
公开(公告)号：EP3907127B1
公开(公告)日：2023-12-20
申请号：EP19812652.6
申请日：2019-01-02
发明人： PARK, Seong Woo , KWON, Seung Min , KANG, Joong Kyoo
IPC分类号： F17C3/02 , B63B25/16

6. 发明公开

EP4424585A1 LEAKAGE DETECTION SYSTEM OF RELIQUEFACTION SYSTEM FOR SHIP 审中-公开
公开(公告)号：EP4424585A1
公开(公告)日：2024-09-04
申请号：EP21962647.0
申请日：2021-12-27
申请人： Hanwha Ocean Co., Ltd.
发明人： SONG, Jihoon , CHOI, Won Jae , LEE, Seung Chul
IPC分类号： B63B79/30 , B63B25/16 , G01M3/04
CPC分类号： B63B79/30 , B63B25/16 , G01M3/04
摘要： Disclosed herein is a leakage detection system of a reliquefaction system for ships. The leakage detection system includes: a gas supply line along which boil-off gas generated from a liquefied gas stored in a storage tank of a ship is supplied to a compressor; a reliquefaction line along which the boil-off gas compressed by the compressor is cooled and reliquefied through a heat exchanger and is returned to the storage tank; a refrigerant circulation line along which a refrigerant exchanging heat with the compressed boil-off gas in the heat exchanger is circulated; a refrigerant compressor disposed on the refrigerant circulation line to compress the refrigerant discharged from the heat exchanger after cooling the compressed boil-off gas; a refrigerant expander expanding and cooling the refrigerant compressed by the refrigerant compressor and having been cooled through the heat exchanger and supplying the cooled refrigerant back to the heat exchanger; and a refrigerant charge line connecting an inventory tank filled with nitrogen to an upstream side of the refrigerant compressor on the refrigerant circulation line, wherein, upon initial start-up or restart of a reliquefaction process, the nitrogen is supplied to the upstream side of the refrigerant compressor via the refrigerant charge line to detect leaks in the refrigerant circulation line.

7. 发明公开

EP4424582A1 BLOW-DOWN METHOD OF RELIQUEFACTION SYSTEM FOR SHIP 审中-公开
公开(公告)号：EP4424582A1
公开(公告)日：2024-09-04
申请号：EP21962648.8
申请日：2021-12-27
申请人： Hanwha Ocean Co., Ltd.
发明人： PARK, Ju Woon , KIM, Seon Jin , CHOI, Won Jae
IPC分类号： B63B25/16 , F17C13/00 , F17C13/04 , F17C6/00 , F17C9/02
CPC分类号： F17C13/00 , B63B25/16 , F17C6/00 , F17C9/02 , F17C13/04
摘要： A blow-down method of a reliquefaction system for ships is disclosed. The blow-down method is applied to a reliquefaction system in which boil-off generated from a liquefied gas stored in a storage tank of a ship is compressed by a compressor, cooled and reliquefied through a heat exchanger along a reliquefaction line, and returned to the storage tank after passing through a gas-liquid separator, wherein the reliquefaction system is provided with a pressure compensation line extending from a downstream side of the compressor to an upside of the gas-liquid separator without passing through the heat exchanger; and a nitrogen blanket line along which nitrogen is supplied to the pressure compensation line, and wherein, in the event of a trip of the reliquefaction system, nitrogen is supplied to the pressure compensation line along the nitrogen blanket line and is delivered to the downstream side of the compressor to pass through the heat exchanger along the reliquefaction line such that the heat exchanger and the reliquefaction line are blown down to remove compressed gas and reliquefied gas therefrom while being subjected to nitrogen (N2) purging.

8. 发明公开

EP4353956A1 EXHAUST GAS PURIFICATION METHOD AND PURIFICATION APPARATUS FOR VESSEL, AND VESSEL HAVING SAME 审中-实审
公开(公告)号：EP4353956A1
公开(公告)日：2024-04-17
申请号：EP21945294.3
申请日：2021-12-21
申请人： Hanwha Ocean Co., Ltd. , Hi Air Korea
发明人： KIM, Keun Bae , LEE, Gwang Hyun , ROH, Hyung Ju , LEE, Min Woo , SON, Won Kyeong , NAM, Byung Tak , CHOI, So Young , JEON, Seung Min
IPC分类号： F01N3/04 , B01D53/14 , F01N13/00
CPC分类号： F01N13/00 , F01N3/04 , B01D53/14
摘要： The present invention provides method and apparatus for purifying exhaust gas of a vessel and a vessel including the same, in which a risk for a vessel and crew of being exposed to ammonia gas used to collect carbon dioxide included in exhaust gas emitted from a vessel may be minimized and an ammonia solution may be recycled and reused to collect carbon dioxide, in order to satisfy regulations on discharge of exhaust gas by the IMO.
Also, the present invention provides an apparatus 1000 for purifying exhaust gas of a vessel and a method of purifying exhaust gas of a vessel using the same, in which carbon dioxide and sulfur dioxide included in exhaust gas emitted from a vessel may be collected by using a reaction solution and may be changed into a substance that does not affect the environment so as to be stored and transported to land.

9. 发明授权

EP3733500B1 MEMBRANE BONDING STRUCTURE AND LIQUEFIED GAS STORAGE TANK COMPRISING SAME 有权转让
公开(公告)号：EP3733500B1
公开(公告)日：2024-01-24
申请号：EP18896168.4
申请日：2018-12-27
发明人： PARK, Kwang Jun , HEO, Haeng Sung , HWANG, Beom Seok , KANG, Joong Kyoo
IPC分类号： B63B25/16 , F17C3/02

10. 发明授权

EP3640129B1 BOIL-OFF GAS TREATMENT METHOD FOR A SHIP 有权转让
公开(公告)号：EP3640129B1
公开(公告)日：2024-01-17
申请号：EP19211253.0
申请日：2016-04-05
发明人： SHIN, Hyun Jun , CHOI, Dong Kyu , MOON, Young Sik , AN, Su Kyung , JANG, Hyun Min , SON, Jae Wook , LEE, Joon Chae
IPC分类号： F25J1/02 , B63B25/16 , F25J1/00 , B63H21/38 , F02M21/02 , F17C9/02 , F17C6/00 , B63J99/00

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