WO2010024011A1 - 液化ガス運搬船 - Google Patents

液化ガス運搬船 Download PDF

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Publication number
WO2010024011A1
WO2010024011A1 PCT/JP2009/060121 JP2009060121W WO2010024011A1 WO 2010024011 A1 WO2010024011 A1 WO 2010024011A1 JP 2009060121 W JP2009060121 W JP 2009060121W WO 2010024011 A1 WO2010024011 A1 WO 2010024011A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquefied gas
gas carrier
ship
walkway
tank
Prior art date
Application number
PCT/JP2009/060121
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
彩 平松
健司 津村
宏一 佐藤
Original Assignee
三菱重工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to CN200980126270.4A priority Critical patent/CN102089202B/zh
Priority to KR1020117000231A priority patent/KR101308275B1/ko
Publication of WO2010024011A1 publication Critical patent/WO2010024011A1/ja

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/14—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B29/00—Accommodation for crew or passengers not otherwise provided for

Definitions

  • the present invention relates to a liquefied gas carrier ship, and more particularly to an LNG ship that stores and transports natural gas (LNG) liquefied at low temperature in a moss type spherical tank.
  • LNG natural gas
  • Patent Document 1 As a liquefied gas carrier ship that stores and transports natural gas (LNG) liquefied at a low temperature in a moss type spherical tank, for example, one disclosed in Patent Document 1 is known. In recent years, a liquefied gas carrier ship in which the upper half of a plurality of spherical tanks arranged along the stern direction is covered with one continuous tank cover is also known (see Patent Document 2). .
  • LNG natural gas
  • the present invention has been made in view of the above circumstances, and even when the upper deck is arranged at a low position, it is possible to bridge all of the gangway ladders installed at the terminal scheduled to be docked.
  • the purpose is to provide a liquefied gas carrier.
  • the present invention employs the following means in order to solve the above problems.
  • the liquefied gas carrier ship according to the present invention stores a liquefied gas therein, and is arranged along the bow-stern direction and fixed to the hull via a skirt, and a top of these spherical tanks.
  • a liquefied gas carrier ship that covers one half and includes one or a plurality of tank covers that extend along the stern direction and the width direction of the tank, between the side surface of the tank cover and the ship side skin
  • a walkway over which a gangway ladder installed at a terminal docked to carry out cargo handling work is provided above the upper deck.
  • the gangway ladder installed at the terminal is bridged over the upper surface of the walkway, so even when the upper deck is arranged at a low position, it is installed at the terminal. It is possible to bridge the gangway ladder that has been installed, and to improve the compatibility with the gangway ladder installed in the terminal.
  • the walkway extends continuously from the front of the residential area to the front end of the side surface of the tank cover.
  • a liquefied gas carrier it is arranged in a space (for example, a space surrounded by a foundation deck, an upper deck, a longitudinal bulkhead, and a ship side shell) formed below the upper deck.
  • Electric wires, oil piping, water piping, fire extinguishing piping, compressed air piping, etc. can be placed in an open space (a space formed between the walk deck and the upper deck) formed below the walk deck. .
  • maintenance / inspection work for electric wires, oil piping, water piping, fire extinguishing piping, compressed air piping, and the like can be easily performed, and maintainability can be improved.
  • the walkway is partially provided in a location suitable for bridging the gangway ladder between the front of the residential area and the front end of the side surface of the tank cover, Is preferred.
  • the walkway is partially provided as necessary, for example, only at the central portion in the longitudinal direction of the tank cover.
  • a height H (m) from the ship bottom to the upper surface of the walkway is higher than a height D (m) +2 (m) from the ship bottom to the upper surface of the upper deck, and 40 (m It is more preferable that the height is set so that all of the gangway ladders installed at the terminal scheduled to be docked can be bridged.
  • “Terminal scheduled to berth” means a terminal where the vessel is scheduled to berth after service and / or a new terminal that has already been in service due to a change of route, etc. I mean.
  • the height from the bottom of the ship to the upper surface of the walkway (that is, the height from the upper surface of the upper deck to the upper surface of the walkway) was installed at the terminal where berthing was planned. Since the gangway ladder is built over the upper surface of the walkway that is arranged according to the movable range of the gangway ladder, even if the upper deck is arranged at a low position, berthing is scheduled All the gangway ladders installed in the terminal can be bridged, and the compatibility with the gangway ladder installed in the terminal can be improved.
  • the liquefied gas carrier according to the present invention even when the upper deck is arranged at a low position, it is possible to bridge all of the gangway ladders installed at the terminal scheduled to berth. .
  • FIG. 2 is a cross-sectional view taken along the line II-II in FIG. 1A.
  • 1 is a view of a liquefied gas carrier ship according to a first embodiment of the present invention, and is a cross-sectional view taken along the line AA in FIG. 1A.
  • FIG. 2 is a view of the liquefied gas carrier ship according to the first embodiment of the present invention, and is a cross-sectional view taken along the line BB in FIG. 1A.
  • FIG. 4 is a cross-sectional view taken along arrow IV-IV in FIG. 1A. It is a right view of the liquefied gas carrier ship which concerns on 2nd Embodiment of this invention. It is a top view of the liquefied gas carrier ship concerning a 2nd embodiment of the present invention.
  • 1A and 1B are views of a liquefied gas carrier ship according to the present embodiment, in which FIG. 1A is a right side view and FIG. 1B is a plan view.
  • 2 is a cross-sectional view taken along arrow II-II in FIG. 1A.
  • 3A and 3B are views of the liquefied gas carrier ship according to the present embodiment.
  • FIG. 3A is a cross-sectional view taken along the line AA in FIG. 1A
  • FIG. 3B is a cross-sectional view taken along the line BB in FIG. 4 is a cross-sectional view taken along arrows IV-IV in FIG. 1A.
  • a liquefied gas carrier ship (“LNG ship” in this embodiment) 1 includes, for example, four aluminum spherical tanks (“Moss type spherical shape”). 2), each of these aluminum spherical tanks 2 can store liquefied gas (natural gas liquefied at a low temperature in the present embodiment) therein. It is comprised as follows. Further, as shown in FIG. 2, these spherical tanks 2 are respectively connected via a cylindrical skirt 3 whose upper end is fixed to the equator of the spherical tank 2 and whose lower end is fixed on the foundation deck 4. It is supported by the hull 5. That is, the weight of these spherical tanks 2 is received by the hull 5 through the skirt 3.
  • the upper half of these spherical tanks 2 is fixed on the upper deck 6 along the bow-tail direction and the ship width direction. It is covered by a continuous tank cover 7 that extends. Further, no expansion joint is provided between the tank cover 7 and the upper deck 6, and the tank cover 7 has a rigid structure. That is, the tank cover 7, together with the hull 5, is a bending force generated by its own weight, cargo to be loaded, and wave force with respect to the longitudinal strength of the ship required by the rules of the classification society (head-to-tail direction (vertical direction)). And strength against shearing force).
  • symbols 8 and 9 in FIG. 2 have shown the vertical partition and the ship side outer plate, respectively.
  • ballast tanks 10 are provided on the bottom of the hull 5 along the bow-stern direction and the ship width direction.
  • the ballast tanks 10 other than the ballast tank 10 arranged at the position closest to the bow are arranged along the circumferential direction of the spherical tank 2 and surrounding the upper part of the spherical tank 2.
  • board) 11 of the hull 5 in the bow-stern direction are provided.
  • the walkway 20 is used as a passage through which a gangway ladder (a ladder on the shore side) installed at a terminal (not shown) berthed to perform a cargo handling work is bridged and a crew and workers come and go. It plays a role.
  • the walkway 20 includes a walk deck 21 extending outward from the side surface 7 a of the tank cover 7, and a vertically upward direction from the upper deck 6 (or an obliquely upward direction from the side surface 7 a of the tank cover 7). ) And a plurality of support members 22 that support the lower surface of the walk deck 21.
  • the walkway 20 extends from the front surface of the house (residential area) 23 to the front end of the side surface 7 a of the tank cover 7 along the corresponding ship side skin 9. Further, at both ends of the walk deck 21 (the left end and the right end in FIGS. 1A and 1B), stairs for descending on the upper deck 6 from the walk deck 21 or climbing on the walk deck 21 from the upper deck 6 (Not shown) are respectively attached.
  • the height (vertical distance) H (m) from the bottom 11 to the upper surface of the walk deck 21 is larger than the height D (m) +2 (m) from the bottom 11 to the upper surface of the upper deck 6; It is set to a height within a range smaller than m) and capable of bridging all gangway ladders installed at the terminal that is scheduled to arrive (after service).
  • the gangway ladder is bridged on the upper surface of the walkway 20 that is arranged in accordance with the movable range of the gangway ladder installed at the terminal scheduled to be docked. Therefore, even when the upper deck 6 is placed at a low position, all of the gangway ladders installed at the terminal that is scheduled to berth can be bridged, and the gang installed at the terminal The adaptability to the way ladder can be improved.
  • the mooring metal fittings are arranged on the upper deck 6 located below the walk deck 21 in the same manner as in the past, the mooring metal fittings protrude upward from the upper surface of the walk deck 21. This can be avoided and the trafficability on the walk deck 21 can be improved.
  • one continuous tank cover 7 covering the upper half of the spherical tank 2 is rigidly connected to the hull 5 and, together with the hull 5, ensures the vertical strength of the ship as required by the rules of the classification society. Therefore, the width of the hull 5 can be reduced by about 2% to 4%, the hull resistance and the hull weight can be reduced, the navigation performance can be improved, and the hull 5 can be improved. The total amount of the material (for example, steel materials) which comprises can be reduced, and the construction cost can be reduced.
  • the upper parts of the ballast tanks 10 are arranged along the circumferential direction of the spherical tank 2 and surrounding the upper part of the spherical tank 2.
  • it can be used as a part of the skirt 3 that supports the spherical tank 2, the total amount of the material constituting the skirt 3 can be reduced, and the construction cost can be reduced.
  • the electric wires arranged in the space formed below the upper deck 6 (the space surrounded by the foundation deck 4, the upper deck 6, the longitudinal partition wall 8, and the ship side outer plate 9),
  • oil pipes, water pipes, fire extinguishing pipes, compressed air pipes, etc. are arranged in an open space formed below the walk deck 21 (a space formed between the walk deck 21 and the upper deck 6).
  • maintenance / inspection work for electric wires, oil piping, water piping, fire extinguishing piping, compressed air piping, and the like can be easily performed, and maintainability can be improved.
  • FIGS. 5A and 5B are views of the liquefied gas carrier ship according to the present embodiment, in which FIG. 5A is a right side view and FIG. 5B is a plan view.
  • the liquefied gas carrier ship 31 As shown in FIGS. 5A and 5B, the liquefied gas carrier ship 31 according to this embodiment is described above in that the walkway 20 described in the first embodiment is provided within the minimum necessary range. Different from that of the first embodiment. Since other components are the same as those of the first embodiment described above, description of these components is omitted here.
  • the walkway 20 has a tank cover 7 in the longitudinal direction (the bow-tail direction: the left-right direction in FIGS. 5A and 5B) only, more specifically, the bow. Only the side surface 7a of the tank cover 7 located on both sides of the second spherical tank (hereinafter referred to as “No. 2 tank”) and the third spherical tank (hereinafter referred to as “No. 3 tank”) from the side. Is provided.
  • the walkway 20 is No. Side face 7a of the tank cover 7 located on both sides of the two tanks, and No. 2 Since the tank cover 7 located on both sides of the three tanks is partially provided on the side surface 7a as necessary, the hull weight and the manufacturing cost are increased by installing the walkway 20 in the first embodiment.
  • the work process required to install the walkway 20 can be reduced to about half that of the first embodiment.
  • the gangway ladder is bridged over the upper surface of the walkway 20 arranged in accordance with the movable range of the gangway ladder installed at the terminal scheduled for landing, the upper deck 6 Even when placed at a low position, all gangway ladders installed at terminals scheduled to berth can be bridged over, and the compatibility with the gangway ladders installed at the terminals will be good. be able to.
  • the mooring brackets are arranged on the upper deck 6 located below the walk deck 21 (see FIG. 2 or 4) in the same manner as in the prior art, thus, it is possible to prevent the mooring bracket from protruding, and to improve the trafficability on the walk deck 21.
  • a single continuous tank cover 7 covering the upper half of the spherical tank 2 is rigidly connected to the hull 5 and, together with the hull 5, provides the vertical strength of the ship required by the rules of the classification society. Since the structure is secured, the width of the hull 5 can be reduced by about 2% to 4%, the hull resistance and the hull weight can be reduced, and the navigation performance can be improved. 5 can reduce the total amount of materials (for example, steel materials) constituting 5 and can reduce the construction cost.
  • the upper parts of the ballast tanks 10 are arranged along the circumferential direction of the spherical tank 2 and surrounding the upper part of the spherical tank 2.
  • it can be used as a part of the skirt 3 that supports the spherical tank 2, the total amount of the material constituting the skirt 3 can be reduced, and the construction cost can be reduced.
  • this invention is not limited to embodiment mentioned above,
  • the wall part which comprises the inner peripheral surface of the skirt 3 and the upper part of the ballast tank 10 (formation).
  • Wall portion 12) (see FIG. 2) is positioned on the same plane, and the skirt 3 and the wall portion 12 are formed of the same member.
  • the present invention can be modified and changed as necessary without departing from the technical idea of the present invention.
  • the upper half of the four spherical tanks 2 is covered with one continuous tank cover 7 extending along the bow-stern direction and the ship width direction.
  • the present invention is not limited to such a configuration, and the present invention can be applied to a configuration having four tank covers corresponding to each spherical tank 2.
  • the walkway 20 is No. No. 1 on each side surface 7a of the tank cover 7 located on both sides of the two tanks. A total of four are provided, one on each side surface 7a of the tank cover 7 located on both sides of the three tanks.
  • the present invention is not limited to this, and the position (location) where the walkway 20 is provided and the number of the walkways 20 depend on the gangway ladder installed at the terminal where the landing is scheduled. Design items that can be selected as appropriate. Therefore, the walkway 20 is, for example, No. 2 tanks or no. A total of two tank covers 7 may be provided, one on each side surface 7a of the tank cover 7 located on both sides of the three tanks. 2 tanks and No.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
PCT/JP2009/060121 2008-08-29 2009-06-03 液化ガス運搬船 WO2010024011A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN200980126270.4A CN102089202B (zh) 2008-08-29 2009-06-03 液化气运输船
KR1020117000231A KR101308275B1 (ko) 2008-08-29 2009-06-03 액화 가스 운반선

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2008221259 2008-08-29
JP2008-221259 2008-08-29
JP2009-102922 2009-04-21
JP2009102922A JP5180897B2 (ja) 2008-08-29 2009-04-21 液化ガス運搬船

Publications (1)

Publication Number Publication Date
WO2010024011A1 true WO2010024011A1 (ja) 2010-03-04

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PCT/JP2009/060121 WO2010024011A1 (ja) 2008-08-29 2009-06-03 液化ガス運搬船

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JP (1) JP5180897B2 (zh)
KR (1) KR101308275B1 (zh)
CN (1) CN102089202B (zh)
RU (1) RU2463199C2 (zh)
WO (1) WO2010024011A1 (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012056429A (ja) * 2010-09-08 2012-03-22 Mitsubishi Heavy Ind Ltd 液化ガス運搬船
JP6004955B2 (ja) * 2013-01-25 2016-10-12 三菱重工業株式会社 球形タンクを備えた船舶およびその建造方法
JP5863900B2 (ja) * 2014-07-24 2016-02-17 三井造船株式会社 液化ガス輸送船、及び、液化ガス輸送船の設計方法
JP6304558B2 (ja) * 2015-02-27 2018-04-04 三菱重工業株式会社 運搬船
CN105584596A (zh) * 2016-03-08 2016-05-18 上海船舶研究设计院 一种液化气运输船舶货仓通道布置结构
JP6820179B2 (ja) * 2016-10-14 2021-01-27 三菱造船株式会社 船舶の居住区構造及び貨物運搬船
JP6565022B2 (ja) * 2017-02-17 2019-08-28 三井Ｅ＆Ｓ造船株式会社 液化ガス燃料船の交通経路形成構造
JP6751692B2 (ja) * 2017-07-10 2020-09-09 三菱造船株式会社 船舶
JP2019026083A (ja) * 2017-07-31 2019-02-21 三井Ｅ＆Ｓ造船株式会社 船形構造物
KR102098994B1 (ko) * 2017-12-27 2020-04-08 현대중공업 주식회사 액화가스 운반선
JP2020164036A (ja) * 2019-03-29 2020-10-08 三井Ｅ＆Ｓ造船株式会社 船舶

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5112585A (ja) * 1974-07-19 1976-01-31 Hitachi Shipbuilding Eng Co Funatsumikyukeitankuno roshutsubukabaa
JPS545292U (zh) * 1977-06-15 1979-01-13
JP2005521589A (ja) * 2002-03-28 2005-07-21 クバエルネル マサ − ヤーズ オサケ ユキチュア 船舶の重量を減らし、長手強度を最適化する方法及び装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR820000425B1 (ko) * 1977-10-28 1982-04-01 카아터어 다불류 엘츠로스 액체 수송용 화물선의 커버
JPH0899690A (ja) * 1994-09-30 1996-04-16 Mitsubishi Heavy Ind Ltd Ｌｎｇの球型タンクの防熱点検設備
FR2785034B1 (fr) * 1998-10-23 2000-12-22 Gaz Transport & Technigaz Procede pour eliminer l'evaporation d'un gaz liquefie stocke dans une cuve etanche et isotherme, et dispositif pour sa mise en oeuvre

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5112585A (ja) * 1974-07-19 1976-01-31 Hitachi Shipbuilding Eng Co Funatsumikyukeitankuno roshutsubukabaa
JPS545292U (zh) * 1977-06-15 1979-01-13
JP2005521589A (ja) * 2002-03-28 2005-07-21 クバエルネル マサ − ヤーズ オサケ ユキチュア 船舶の重量を減らし、長手強度を最適化する方法及び装置

Also Published As

Publication number Publication date
JP2010076743A (ja) 2010-04-08
JP5180897B2 (ja) 2013-04-10
KR20110018937A (ko) 2011-02-24
CN102089202A (zh) 2011-06-08
CN102089202B (zh) 2014-01-01
RU2463199C2 (ru) 2012-10-10
KR101308275B1 (ko) 2013-09-13

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