KR100805022B1 - Lng 운반선용 lng 저장탱크 및 이를 이용한 증발가스처리 방법 - Google Patents
Lng 운반선용 lng 저장탱크 및 이를 이용한 증발가스처리 방법 Download PDFInfo
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- KR100805022B1 KR100805022B1 KR1020070014405A KR20070014405A KR100805022B1 KR 100805022 B1 KR100805022 B1 KR 100805022B1 KR 1020070014405 A KR1020070014405 A KR 1020070014405A KR 20070014405 A KR20070014405 A KR 20070014405A KR 100805022 B1 KR100805022 B1 KR 100805022B1
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- lng
- storage tank
- gas
- boil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
- B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/004—Details of vessels or of the filling or discharging of vessels for large storage vessels not under pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
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- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
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- F17C2201/0157—Polygonal
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- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/052—Size large (>1000 m3)
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- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0636—Metals
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- F17C2203/00—Vessel construction, in particular walls or details thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F17C2221/00—Handled fluid, in particular type of fluid
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- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
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- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
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- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
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- F17C2223/033—Small pressure, e.g. for liquefied gas
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- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/04—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by other properties of handled fluid before transfer
- F17C2223/042—Localisation of the removal point
- F17C2223/043—Localisation of the removal point in the gas
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- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
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- F17C2223/042—Localisation of the removal point
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- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
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- F17C2225/0146—Two-phase
- F17C2225/0153—Liquefied gas, e.g. LPG, GPL
- F17C2225/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
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Abstract
Description
Claims (18)
- 단열벽을 구비하면서 LNG를 적재하여 운반하는 LNG 저장탱크로서,LNG 운반선의 운항 기간 동안에 상기 LNG 저장탱크로 유입되는 열 유입량이 상기 LNG 저장탱크의 내부의 LNG 및 NG의 포화 온도 상승에 의한 현열 증가분에 의해 흡수되도록 상기 LNG 저장탱크의 내부에서 발생되는 증발가스에 의한 압력 상승을 허용하기 위해, 증발가스에 의한 압력 상승분을 견딜 수 있는 강도를 가지도록 설계된 것을 특징으로 하는 LNG 운반선용 LNG 저장탱크.
- 청구항 1에 있어서, 0.3 내지 2 기압(게이지압)의 압력을 견딜 수 있도록 설계된 것을 특징으로 하는 LNG 운반선용 LNG 저장탱크.
- 청구항 1에 있어서, 0.6 내지 1.5 기압(게이지압)의 압력을 견딜 수 있도록 설계된 것을 특징으로 하는 LNG 운반선용 LNG 저장탱크.
- 청구항 1에 있어서, 기존의 일반 LNG 저장탱크에 보강재를 추가하여 제작된 것을 특징으로 하는 LNG 운반선용 LNG 저장탱크.
- 청구항 1에 있어서, 내부의 온도 분포를 균일하게 유지시키는 것을 특징으로 하는 LNG 운반선용 LNG 저장탱크.
- 청구항 1 내지 청구항 5 중 어느 한 항에 있어서, 상기 LNG 운반선용 LNG 저장탱크의 하부의 상대적으로 저온의 LNG를 상대적으로 고온의 상기 LNG 운반선용 LNG 저장탱크의 상부에 분사하고 상기 LNG 운반선용 LNG 저장탱크의 상부의 상대적으로 고온의 증발가스를 상대적으로 저온의 상기 LNG 운반선용 LNG 저장탱크의 하부에 분사하도록 구성된 것을 특징으로 하는 LNG 운반선용 LNG 저장탱크.
- 청구항 6에 있어서, 상기 LNG 운반선용 LNG 저장탱크의 하부에는 LNG용 펌프와 증발가스용 스프레이가 설치되고, 상기 LNG 운반선용 LNG 저장탱크의 상부에는 LNG용 스프레이와 증발가스용 펌프가 설치된 것을 특징으로 하는 LNG 운반선용 LNG 저장탱크.
- LNG 운반선의 운항시에 LNG 운반선용 LNG 저장탱크 내에 발생되는 증발가스를 처리하지 않고 증발가스의 발생에 의한 LNG 운반선용 LNG 저장탱크 내의 압력 상승을 허용하여 상기 LNG 운반선용 LNG 저장탱크 내에 증발가스를 축적하는 것을 특징으로 하는 증발가스 처리 방법.
- LNG 운반선의 운항시에 LNG 운반선용 LNG 저장탱크 내에 발생되는 증발가스를 처리하지 않고 LNG 운반선용 LNG 저장탱크의 내부 온도 상승에 의해 대부분의 열 유입량을 LNG 운반선용 LNG 저장탱크의 내부의 LNG 및 NG의 열에너지 상승으로 축적하여 상기 LNG 운반선용 LNG 저장탱크 내에 증발가스를 축적하는 것을 특징으로 하는 증발가스 처리 방법.
- 청구항 8에 있어서, 상기 LNG 운반선용 LNG 저장탱크의 압력을 0.3 내지 2 기압(게이지압)까지 허용하는 것을 특징으로 하는 증발가스 처리 방법.
- 청구항 8에 있어서, 상기 LNG 운반선용 LNG 저장탱크의 압력을 0.6 내지 1.5 기압(게이지압)까지 허용하는 것을 특징으로 하는 증발가스 처리 방법.
- 청구항 8 또는 청구항 9에 있어서, 상기 LNG 운반선용 LNG 저장탱크 내부의 온도 분포를 균일하게 유지시키는 것을 특징으로 하는 증발가스 처리 방법.
- 청구항 8 또는 청구항 9에 있어서, LNG 운반선의 목적지 도착시에 상기 LNG 운반선용 LNG 저장탱크에 축적된 증발가스를 하역 터미널에서 처리하는 것을 특징으로 하는 증발가스 처리 방법.
- 청구항 13에 있어서, 상기 LNG 운반선용 LNG 저장탱크에 축적된 증발가스를 상기 하역 터미널에서 다단으로 압축한 다음 소비자에게 공급하는 것을 특징으로 하는 증발가스 처리 방법.
- 청구항 13에 있어서, 상기 LNG 운반선용 LNG 저장탱크에 축적된 증발가스를 상기 하역 터미널에서 압축한 다음 재응축하고 다시 기화시켜 소비자에게 공급하는 것을 특징으로 하는 증발가스 처리 방법.
- 청구항 13에 있어서, 상기 LNG 운반선용 LNG 저장 탱크에 저장된 LNG를 상기 하역 터미널의 하역 터미널용 재응축기 입구 또는 고압 송출 펌프 흡입측에 직접 공급하여 기화기에서 기화시켜 소비자에게 직접 공급하는 것을 특징으로 하는 증발가스 처리 방법.
- 청구항 13에 있어서, 상기 LNG 운반선용 LNG 저장탱크의 LNG를 복수의 하역 터미널용 LNG 저장탱크에 균등 분배하여 상기 복수의 하역 터미널용 LNG 저장탱크를 거치게 한 다음 하역 터미널용 재응축기 입구 또는 고압 송출 펌프 흡입측에 공급하여 기화기에서 기화시켜 소비자에게 직접 공급하는 것을 특징으로 하는 증발가스 처리 방법.
- 청구항 17에 있어서, 상기 하역 터미널용 LNG 저장탱크를 그 저장 압력이 상기 LNG 운반선용 LNG 저장탱크의 저장 압력에 대응하도록 형성하는 것을 특징으로 하는 증발가스 처리 방법.
Priority Applications (22)
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KR1020070014405A KR100805022B1 (ko) | 2007-02-12 | 2007-02-12 | Lng 운반선용 lng 저장탱크 및 이를 이용한 증발가스처리 방법 |
EP07007423.2A EP1956287A3 (en) | 2007-02-12 | 2007-04-11 | LNG tank and method of treating boil-off gas |
JP2007105760A JP2008196682A (ja) | 2007-02-12 | 2007-04-13 | Lng貯蔵タンク及びこれを用いた蒸発ガス処理方法 |
CN200710097460.0A CN101245892B (zh) | 2007-02-12 | 2007-04-29 | 液化天然气储存罐及使用液化天然气处理挥发气体的方法 |
CN201310207114.9A CN103398284B (zh) | 2007-02-12 | 2007-04-29 | 液化天然气储存罐 |
US11/828,999 US20080190352A1 (en) | 2007-02-12 | 2007-07-26 | Lng tank ship and operation thereof |
US11/829,012 US8820096B2 (en) | 2007-02-12 | 2007-07-26 | LNG tank and operation of the same |
US11/829,026 US8028724B2 (en) | 2007-02-12 | 2007-07-26 | LNG tank and unloading of LNG from the tank |
ES07017905T ES2715624T3 (es) | 2007-02-12 | 2007-09-12 | Producto para tratar el vapor de gas en un transporte de GNL |
EP07017906.4A EP1956286A3 (en) | 2007-02-12 | 2007-09-12 | A method for treating boil-off gas of an LNG carrier |
EP07017905.6A EP1956285B1 (en) | 2007-02-12 | 2007-09-12 | A method for treating boil-off gas of an LNG carrier |
CN200710163142XA CN101245893B (zh) | 2007-02-12 | 2007-10-10 | 液化天然气储罐 |
CN2009102236925A CN101706037B (zh) | 2007-02-12 | 2007-10-10 | 液化天然气储罐 |
CN2007101631434A CN101245897B (zh) | 2007-02-12 | 2007-10-10 | Lng储罐、lng运输工具、安全阀及设定安全阀的方法 |
JP2007288870A JP5227000B2 (ja) | 2007-02-12 | 2007-11-06 | Lng貯蔵タンク |
JP2007290466A JP4750097B2 (ja) | 2007-02-12 | 2007-11-08 | Lng運搬船の安全弁及びその開閉方法 |
US12/429,139 US8943841B2 (en) | 2007-02-12 | 2009-04-23 | LNG tank ship having LNG circulating device |
JP2010130501A JP2010261595A (ja) | 2007-02-12 | 2010-06-07 | 蒸発ガス処理方法 |
US13/252,104 US20120017608A1 (en) | 2007-02-12 | 2011-10-03 | Unloading of lng from lng tank |
US13/952,466 US10352499B2 (en) | 2007-02-12 | 2013-07-26 | LNG tank and operation of the same |
US16/439,621 US10508769B2 (en) | 2007-02-12 | 2019-06-12 | LNG tank and operation of the same |
US16/659,436 US11168837B2 (en) | 2007-02-12 | 2019-10-21 | LNG tank and operation of the same |
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KR1020070014405A KR100805022B1 (ko) | 2007-02-12 | 2007-02-12 | Lng 운반선용 lng 저장탱크 및 이를 이용한 증발가스처리 방법 |
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EP (1) | EP1956287A3 (ko) |
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2007
- 2007-02-12 KR KR1020070014405A patent/KR100805022B1/ko active IP Right Grant
- 2007-04-11 EP EP07007423.2A patent/EP1956287A3/en active Pending
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KR20060083727A (ko) * | 2005-01-18 | 2006-07-21 | 대우조선해양 주식회사 | 엘엔지선의 증발가스 과냉액화 운전시스템 |
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JP2011517749A (ja) * | 2008-03-10 | 2011-06-16 | ブルクハルト コンプレッション アーゲー | 天然ガス燃料の供給装置および方法 |
US8821132B2 (en) | 2008-03-10 | 2014-09-02 | Burckhardt Compression Ag | Device and method for preparing liquefied natural gas (LNG) fuel |
US9273675B2 (en) | 2008-03-10 | 2016-03-01 | Burckhardt Compression Ag | Device and method for preparing liquified natural gas (LNG) fuel |
WO2012118317A3 (ko) * | 2011-02-28 | 2012-11-15 | 한국과학기술원 | Lng주유시스템 및 증발가스 처리방법 |
KR101875089B1 (ko) * | 2011-12-28 | 2018-07-05 | 대우조선해양 주식회사 | 부유식 액화천연가스 설비의 이상압력 보호장치 |
KR101913386B1 (ko) * | 2014-12-26 | 2018-10-30 | 카와사키 주코교 카부시키 카이샤 | 액화가스 운반선 |
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JP2010261595A (ja) | 2010-11-18 |
JP2008196682A (ja) | 2008-08-28 |
CN101245892B (zh) | 2014-09-24 |
CN101245893A (zh) | 2008-08-20 |
CN101245897B (zh) | 2010-06-02 |
CN103398284B (zh) | 2016-08-10 |
CN101245892A (zh) | 2008-08-20 |
CN101245897A (zh) | 2008-08-20 |
EP1956287A3 (en) | 2015-12-09 |
CN101245893B (zh) | 2010-06-02 |
CN103398284A (zh) | 2013-11-20 |
EP1956287A2 (en) | 2008-08-13 |
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