WO2023199430A1 - Installation de stockage de gaz liquéfié en mer - Google Patents

Installation de stockage de gaz liquéfié en mer Download PDF

Info

Publication number
WO2023199430A1
WO2023199430A1 PCT/JP2022/017705 JP2022017705W WO2023199430A1 WO 2023199430 A1 WO2023199430 A1 WO 2023199430A1 JP 2022017705 W JP2022017705 W JP 2022017705W WO 2023199430 A1 WO2023199430 A1 WO 2023199430A1
Authority
WO
WIPO (PCT)
Prior art keywords
tank
liquefied gas
gas storage
row
storage facility
Prior art date
Application number
PCT/JP2022/017705
Other languages
English (en)
Japanese (ja)
Inventor
宏之 武田
麻子 三橋
梨花子 後藤
元気 横山
祐紀 木村
晴彦 冨永
Original Assignee
川崎重工業株式会社
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 川崎重工業株式会社 filed Critical 川崎重工業株式会社
Priority to PCT/JP2022/017705 priority Critical patent/WO2023199430A1/fr
Publication of WO2023199430A1 publication Critical patent/WO2023199430A1/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
    • 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
    • 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

Definitions

  • the present disclosure relates to offshore liquefied gas storage equipment.
  • Offshore liquefied gas storage facilities such as liquefied gas carriers are generally equipped with vent masts for gas discharge in order to maintain appropriate pressure in tanks that store liquefied gas (see, for example, Patent Document 1). ). Furthermore, international regulations require that cargo tanks be equipped with vent masts for gas discharge, and that vent masts must be installed at least a specified distance from crew living and work areas. .
  • the vent mast it is convenient to install the living and work areas, which are the activity areas of the crew, in the bow or stern area, in terms of simplifying the arrangement of various structures on the offshore equipment and making effective use of space. . Therefore, it is desirable to arrange the vent mast at an appropriate distance from the activity area while ensuring as wide an activity area as possible for the crew within the limited space on the offshore facility.
  • an object of the present disclosure is to provide a vent mast arrangement in an offshore liquefied gas storage facility that enables simplification of the arrangement on the equipment and effective use of space. .
  • the offshore liquefied gas storage facility includes: floating body and a tank row consisting of a plurality of tanks for storing liquefied gas installed in a predetermined direction on the floating body; a vent mast provided with a tank cover on or over each tank; Equipped with In a tank arranged at the front end and a tank arranged at the rear end of the tank row, each vent mast is located at a position closer to the center of the tank row in the predetermined direction with respect to the center position of the tank in the predetermined direction. It is set in.
  • FIG. 1 is a side view showing a schematic configuration of an offshore liquefied gas storage facility according to an embodiment of the present disclosure.
  • FIG. 2 is a plan view showing a schematic configuration of the offshore liquefied gas storage facility shown in FIG. 1.
  • FIG. 1 is a side view showing a schematic configuration of an offshore liquefied gas storage facility according to an embodiment of the present disclosure.
  • FIG. 2 is a plan view showing a schematic configuration of the offshore liquefied gas storage facility shown in FIG. 1.
  • FIG. 1 shows a liquefied gas storage ship S that is an example of offshore liquefied gas storage equipment according to an embodiment of the present disclosure.
  • This liquefied gas storage ship S includes a floating hull 1 and a plurality of tanks 3 (four in this example) installed in the hull 1 for storing liquefied gas.
  • liquefied gas storage ship refers to a ship that has the function of storing liquefied gas.
  • the liquefied gas storage ship S in this embodiment is a liquefied gas carrier ship.
  • the liquefied gas storage ships S include, for example, liquefied gas fuel ships, bunkering ships that supply liquefied gas to other ships, and the like.
  • the plurality of tanks 3 are arranged so that their centers are lined up in a straight line in a plan view along a predetermined direction.
  • the plurality of tanks 3 are arranged along the longitudinal direction X of the liquefied gas storage ship S, which is the above-mentioned "predetermined direction".
  • a row consisting of a plurality of tanks 3 arranged in this manner is referred to as a "tank row L.”
  • one end side and the other end side in the predetermined direction are respectively referred to as "front” and "rear” with respect to the traveling direction of the liquefied gas storage ship S.
  • each of the plurality of tanks 3 constituting the tank row L may be called, in order from the front tank, a first tank 3A, a second tank 3B, a third tank 3C, and a fourth tank 3D. .
  • the liquefied gases stored in the tank 3 include, for example, liquefied ammonia (LNH 3 , approximately -33°C), liquefied petroleum gas (LPG, approximately -45°C), liquefied ethylene gas (LEG, approximately -100°C), and liquefied natural gas. gas (LNG, approximately -160°C), liquefied hydrogen (LH 2 , approximately -250°C), and liquefied helium (LHe, approximately -270°C).
  • liquefied hydrogen is stored in the tank 3.
  • the tank 3 in this embodiment is configured as a double shell tank having an inner tank and an outer tank.
  • This tank 3 is normally operated in a state in which vaporized gas of liquefied gas is sealed in the space between the inner and outer tanks, which is a heat insulating layer.
  • the heat insulation method for the tank 3 is not limited to this example, and for example, the space between the inner and outer tanks may be made into a vacuum layer.
  • the liquefied gas storage ship S includes a structure 5 for the crew members of the liquefied gas storage ship S to perform activities (hereinafter referred to as "crew activity structure").
  • crew activity structure 5" refers to all structures in which crew members are expected to enter and engage in some kind of activity, including residential structures used by crew members to live on board the ship.
  • the "crew activity structure 5" includes a work structure such as a cargo machine room that the crew enters in order to navigate and operate the liquefied gas storage ship S.
  • the liquefied gas storage ship S has a front crew activity structure 5F provided in the bow area FR in front of the tank row L, and a rear crew activity structure 5F provided in the stern area RR behind the tank row L. It also includes an activity structure 5R. Specifically, in this embodiment, the front occupant activity structure 5F is configured as a residential structure, and the rear occupant activity structure 5R is configured as a work structure. These crew activity structures 5 are installed on the deck 7 (FIG. 1) of the liquefied gas storage ship S. In this embodiment, the crew activity structure 5 is not provided in the middle of the tank row L.
  • the front crew activity structure 5F is a residential structure
  • the rear crew activity structure 5R is Configuring these as working structures is only one example, and it is arbitrary what type of occupant activity structure 5 they are made into.
  • a residential structure is installed behind tank row L, the view from the residential structure may be obstructed by tank 3 and its attached equipment, so front passenger activity structure 5F should be placed behind the residential structure. It is preferable to make it a physical object.
  • the work structure is a cargo machinery room, it is better to locate it near the rear engine room where gas processing equipment is normally located, so that the gas piping can be shortened, making it easier for the rear crew to operate the cargo machinery room.
  • the storage structure 5R is a cargo machine room.
  • each tank 3 is covered by a tank cover 8.
  • the tank cover has a shape corresponding to the shape of the upper part of each tank 3.
  • the shape of the tank cover is not limited to this example, and may have a shape that covers the entire tank row L, for example.
  • a vent mast 9 is provided on the tank cover 8 of each tank 3, which is a gas release tower that releases vaporized gas generated in the tank 3 into the atmosphere from a position higher than the tank 3. .
  • Each tank 3 is provided with a safety valve, and when the gas pressure inside the tank 3 reaches the set pressure of the safety valve, gas is released from the vent mast 9.
  • the tank cover 8 has a shape that integrally covers a plurality of tanks 3, the fact that the vent mast 9 is provided on the tank cover 8 of each tank means that each vent mast 9 is This means that it is provided in a portion of the tank cover 8 that overlaps each tank 3.
  • the vent mast 9 may be provided directly on each tank. Further, the tank cover 8 may be omitted.
  • the vent mast 9 when explaining the position of the vent mast 9, for convenience, even if the vent mast 9 is provided on the tank cover 8 of each tank 9, it will be expressed as "the vent mast 9 provided on the tank 9". There are cases.
  • each vent mast 9 is provided at a position closer to the center of the tank row L in the longitudinal direction X with reference to the center position of the tank 3 in the longitudinal direction X. More specifically, in this embodiment, the tanks 3 are arranged in front of the center of the tank row L, in this example, the first tank 3A and the second tank 3B, and the tanks 3 are arranged in the rear side of the tank row L.
  • each vent mast 9 is provided at a position closer to the center of the tank row L in the ship length direction X.
  • the center of the tank row L means the center position between the front end of the tank 3 arranged at the front end in the longitudinal direction X and the rear end of the tank 3 arranged at the rear end.
  • such a position of the vent mast 9 may be simply expressed as "a position near the center” or the like.
  • each vent mast 9 is arranged on the center line C of the tank row L passing through the center of each tank 3 in the width direction W. By arranging in this manner, each vent mast 9 can be arranged closer to the center. However, the vent mast 9 may be arranged at a position shifted from the center line C of the tank row L.
  • the vent mast 9 is arranged at a position closer to the center of each tank 3 in the longitudinal direction X. It is not necessary to be present. However, by arranging the vent masts 9 of these tanks 3 at a position closer to the center in the ship's vessel direction X, they can be arranged as far away from the bow area FR and the stern area RR as possible. Note that, unlike the illustrated example, when the tank row L is constituted by an odd number of tanks 3, the position of the vent mast 9 for the tank 3 disposed at the center of the tank row L is not particularly limited.
  • the vent masts 9 provided in the tanks 3B and 3C other than the tanks 3A and 3D closest to the crew activity structure 5 in the tank row L are configured as manual vent vent masts 9M.
  • the third tank 3C which is the tank 3 other than the first tank 3A closest to the first crew activity structure 5 and the fourth tank 3D closest to the second crew activity structure 5,
  • the vent mast 9 is configured as a manual venting vent mast 9M.
  • the vent mast 9 of the second tank 3B may be configured as a manual venting vent mast 9M.
  • the structure 5 for occupant activities includes a structure for occupant accommodation and other living rooms
  • the tanks located at both ends of the tank row L that are closest to the structure 5 for occupant activities Among the tanks 3 other than 3 it is preferable that the vent mast 9 of the tank 3 on the front and rear opposite side of the passenger accommodation structure is made into a manual vent vent mast 9M.
  • manual venting is a stage before the gas is automatically discharged when the internal pressure of the tank 3 reaches the set pressure of the safety valve, and the gas is discharged by manually operating the valve connected to the vent mast 9 as appropriate. It means doing the following.
  • "configured as a vent mast 9M for manual venting” means, for example, a pipe for manual venting that is provided with the above-mentioned connection valve from the tank 3 so that manual venting is possible. 11 is connected.
  • Such a manual vent pipe 11 may be extended from each of the plurality of tanks 3 to the manual vent mast 9M, or if common pipes 13 and 15 described below are provided, The common pipes 13 and 15 may be extended to the manual venting vent mast 9M.
  • manual venting between the inner tank and the outer and outer tanks can be performed from the manual venting vent mast 9M.
  • FIG. 2 shows a first individual pipe 17 connected to the first part 3a of the tank 3 and a second individual pipe 19 connected to the second part 3b as an example of a plurality of individual pipes.
  • the first individual pipe 17 is a pipe connected to the internal space of the inner tank
  • the second individual pipe 19 is a pipe connected to the inner tank space.
  • the plurality of first individual pipes 17 are connected to the first common pipe 13, and the plurality of second individual pipes 19 are connected to the second common pipe 15.
  • each individual pipe 17, 19 extends from each tank 3 in a direction substantially perpendicular to the ship length direction.
  • Each common pipe 13, 15 extends in a direction substantially parallel to the longitudinal direction X.
  • the above-mentioned manual vent pipe 11 is connected to the first common pipe 13.
  • the arrangement order of the plurality of individual pipes 17 and 19 in each tank 3 is symmetrical with respect to the center of the tank row L in the longitudinal direction. That is, in each tank 3 arranged in front of the center of the tank row L in the longitudinal direction X, in this example, the first tank 3A and the second tank 3B, the first individual pipe 17, the 2 individual pipes 19 are arranged in this order, whereas each tank 3 arranged on the rear side of the center of the tank row L in the longitudinal direction X, in this example, the third tank 3C and the fourth tank 3D, The first individual pipe 17 and the second individual pipe 19 are arranged in this order from the rear side along the X direction.
  • connection parts 3a, 3b and the number of individual pipes in the tank 3 described above are only examples, and the individual pipes may be connected to parts different from this example depending on the structure of the tank 3.
  • the number of individual pipes may be three or more. Further, it is not essential that the arrangement order of the individual pipes 17 and 19 be symmetrical with respect to the center of the tank row L in the longitudinal direction.
  • FIG. 1 shows an independent tank 3 formed independently of the hull 21 as an example of the tank 3, the structure of the tank 3 is not limited to this example, and any type of tank may be used. It's fine.
  • the tank 3 may be a type of tank that is formed integrally with the hull.
  • the heat insulation structure of the tank 3 is not limited to the illustrated double structure, but may be a single layer structure, or a triple or more multilayer structure.
  • the shape of the tank 3 is not limited to the spherical shape shown in FIG.
  • the number of tanks 3 constituting the tank row L may be two or more, and is not limited to the illustrated four.
  • the liquefied gas storage ship S was explained as an example of the "offshore liquefied gas storage facility," but the “offshore liquefied gas storage facility” refers to offshore facilities in general that have the function of storing liquefied gas. It is not limited to gas storage vessels, but also includes offshore equipment without propulsion equipment.
  • the shape of the offshore liquefied gas storage facility is not particularly limited, it is preferable that the configuration according to this embodiment is applied to a facility that has an elongated shape in plan view, such as the illustrated ship.
  • the "bow" and “stern” of the ship are defined as the extension line along the line direction of the tank row L from both ends of the tank row L in the equipment. corresponds to each end at
  • the vent masts 9 are arranged near the center of the tank row L in the tanks 3 arranged at both ends of the tank row L, the vent masts 9 While maintaining an appropriate distance, it is possible to secure a wide activity area for the crew at the bow and stern. Thereby, in the liquefied gas storage ship S, it becomes possible to simplify the arrangement structure on the ship and make effective use of space.
  • the offshore liquefied gas storage facility further includes a front crew activity structure 5F provided in front of the tank row L, and a rear crew activity structure 5R provided at the rear of the tank row L. may be provided.
  • the activity area for the crew on the ship can be secured at a position where an appropriate distance is maintained from the vent mast 9.
  • the crew's activity areas into the bow area FR and the stern area RR, it becomes possible to simplify the onboard arrangement and make effective use of space.
  • the vent masts 9 provided in the tanks 3 other than the tanks 3 arranged at the front end and the tanks 3 arranged at the rear end in the tank row L are vents for manual venting. It may be configured as a mast 9M. According to this configuration, the manual vent mast 9, which is used more frequently than other vent masts 9, can be placed at an appropriate distance from both the bow area FR and the stern area RR.
  • each vent mast 9 is located near the center in the longitudinal direction It may be provided at a certain position. According to this configuration, the vent masts 9 of the tanks 3 other than the front and rear end tanks 3 can also be arranged at a position as far away as possible from the bow area FR and the stern area RR.
  • the offshore liquefied gas storage facility further includes a plurality of individual pipes connected to different parts of each tank 3, and the arrangement order of the plurality of individual pipes in each tank 3 is in the longitudinal direction of the tank row L. It may be symmetrical about the X center. According to this configuration, the structure of the entire piping is simplified, and the piping design work can be made more efficient.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

La présente invention concerne une installation de stockage de gaz liquéfié en mer (S), qui comprend : un corps flottant (1) ; une rangée de réservoirs (L) comprenant une pluralité de réservoirs (3) pour stocker du gaz liquéfié, les réservoirs étant installés côte à côte dans une direction prescrite (X) sur le corps flottant (1) ; et un mât d'évent (9) disposé sur chacun des réservoirs (3). L'installation de stockage de gaz liquéfié en mer, dans un réservoir (3) disposé à une extrémité de la rangée de réservoirs (L) et un réservoir (3) disposé à l'autre extrémité, les mâts d'évent (9) étant chacun disposés à une position proche du centre de la rangée de réservoirs (L) dans la direction prescrite (X), à l'aide de la position centrale de chaque réservoir (3) dans la direction prescrite en tant que référence.
PCT/JP2022/017705 2022-04-13 2022-04-13 Installation de stockage de gaz liquéfié en mer WO2023199430A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/017705 WO2023199430A1 (fr) 2022-04-13 2022-04-13 Installation de stockage de gaz liquéfié en mer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/017705 WO2023199430A1 (fr) 2022-04-13 2022-04-13 Installation de stockage de gaz liquéfié en mer

Publications (1)

Publication Number Publication Date
WO2023199430A1 true WO2023199430A1 (fr) 2023-10-19

Family

ID=88329313

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/017705 WO2023199430A1 (fr) 2022-04-13 2022-04-13 Installation de stockage de gaz liquéfié en mer

Country Status (1)

Country Link
WO (1) WO2023199430A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170010539A (ko) * 2015-07-20 2017-02-01 대우조선해양 주식회사 드릴쉽의 가스 배출 시스템 및 가스 배출 시스템이 마련된 드릴쉽
JP2017043154A (ja) * 2015-08-25 2017-03-02 三井造船株式会社 液化ガス貯蔵設備を備えた浮体構造物及びその設計方法
JP2019034665A (ja) * 2017-08-18 2019-03-07 株式会社 商船三井 エネルギー輸送用船舶
JP2021194986A (ja) * 2020-06-12 2021-12-27 三井Ｅ＆Ｓ造船株式会社 液化ガス運搬船

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170010539A (ko) * 2015-07-20 2017-02-01 대우조선해양 주식회사 드릴쉽의 가스 배출 시스템 및 가스 배출 시스템이 마련된 드릴쉽
JP2017043154A (ja) * 2015-08-25 2017-03-02 三井造船株式会社 液化ガス貯蔵設備を備えた浮体構造物及びその設計方法
JP2019034665A (ja) * 2017-08-18 2019-03-07 株式会社 商船三井 エネルギー輸送用船舶
JP2021194986A (ja) * 2020-06-12 2021-12-27 三井Ｅ＆Ｓ造船株式会社 液化ガス運搬船

Similar Documents

Publication Publication Date Title
CN107848606B (zh) 具备液化气体储存设备的浮体构造物及其设计方法
KR20150004764A (ko) 장대한 해상 부체 설비
CN107000814B (zh) 具备液化气体储存设备的浮体结构物
JP6496489B2 (ja) Ｌｎｇ船またはｌｐｇ船
WO2019168195A1 (fr) Navire
KR20180096581A (ko) 해양 선박
JP2015229430A (ja) Ｌｎｇ船
WO2023199430A1 (fr) Installation de stockage de gaz liquéfié en mer
JP7446928B2 (ja) 液化ガス運搬船
WO2020195340A1 (fr) Navire
WO2018189923A1 (fr) Navire
KR20240154047A (ko) 해상액화가스 저장 설비
WO2021200829A1 (fr) Navire de stockage de gaz liquéfié
US20220396142A1 (en) Motor Vehicle
KR20220149451A (ko) 액화 가스 저장용 탱크를 포함하는 롤-온/롤-오프 선박
KR20190078923A (ko) Lng 연료 선박
KR20220000431A (ko) 하이브리드 화물창을 포함하는 부유식 구조물
KR20210089847A (ko) 가스연료 추진 선박
KR20210034741A (ko) 화물창
WO2023204082A1 (fr) Navire
KR20190026443A (ko) Lng 선박의 밸러스트 탱크 배치 구조
JP7370885B2 (ja) 船舶
KR102222841B1 (ko) 선박
JP7519136B1 (ja) メタノール燃料船
KR102719668B1 (ko) 액화가스 저장탱크 및 이를 포함하는 선박

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22937409

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2024515235

Country of ref document: JP

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 1020247031902

Country of ref document: KR