WO2020115805A1 - 浮体設備 - Google Patents

浮体設備 Download PDF

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Publication number
WO2020115805A1
WO2020115805A1 PCT/JP2018/044442 JP2018044442W WO2020115805A1 WO 2020115805 A1 WO2020115805 A1 WO 2020115805A1 JP 2018044442 W JP2018044442 W JP 2018044442W WO 2020115805 A1 WO2020115805 A1 WO 2020115805A1
Authority
WO
WIPO (PCT)
Prior art keywords
utility
plant
equipment
facility
floating body
Prior art date
Application number
PCT/JP2018/044442
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
維史 金山
和亮 角田
健太郎 高木
Original Assignee
日揮グローバル株式会社
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 日揮グローバル株式会社 filed Critical 日揮グローバル株式会社
Priority to PCT/JP2018/044442 priority Critical patent/WO2020115805A1/ja
Priority to KR1020217011896A priority patent/KR20210092198A/ko
Priority to SG11202104515TA priority patent/SG11202104515TA/en
Priority to CN201880099026.2A priority patent/CN112955376A/zh
Publication of WO2020115805A1 publication Critical patent/WO2020115805A1/ja

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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 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • 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 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/448—Floating hydrocarbon production vessels, e.g. Floating Production Storage and Offloading vessels [FPSO]

Definitions

  • the present invention relates to a floating facility equipped with a liquefied natural gas plant.
  • NG natural gas
  • a floating body such as a hull is arranged on the ocean, and a plant for liquefying NG on the floating body (liquefied natural gas plant,
  • FLNG floating LNG
  • LNG plant Floating LNG
  • FLNG Since various utilities such as water (sea water, fresh water), nitrogen, and air are used for operating the floating body part and the LNG plant, FLNG is equipped with a large number of utility facilities for supplying these utilities. FLNG is a huge structure with a total length of several hundred meters and built over a period of one year or more. Therefore, not only the LNG plant and the equipment on the floating body side, but also the layout of each equipment including the utility equipment is one of the factors that influence the difficulty level of the FLNG design and construction.
  • Patent Document 1 describes a technique of constructing a tank area for storing LNG and a factory area including a natural gas liquefaction plant as separate floating body structures, and then connecting these floating body structures in the longitudinal direction.
  • the gas boiler which is one of the utility equipment is arrange
  • Patent Document 1 does not describe any arrangement of utility equipment in a floating facility in which an LNG plant is disposed on the upper surface side of a floating portion in which a tank is formed.
  • the present invention has been made under such a background, and provides a technology that simplifies the design and construction of a floating facility equipped with a liquefied natural gas plant.
  • the floating body equipment of the present invention is a floating body part arranged on the ocean, A liquefied natural gas plant provided on the floating body, A utility facility for a plant that supplies a utility to the liquefied natural gas plant, Utility facilities having mutually common functions, comprising: a first utility facility that supplies a utility to the floating body part; and a second utility facility that supplies a utility to the liquefied natural gas plant, The utility equipment for the first plant and the second utility equipment are provided on the floating body portion, and the first utility equipment is provided in the floating body portion.
  • the floating facility may have the following features.
  • the plant utility equipment includes at least one equipment selected from a cooling water supply equipment group consisting of a seawater pump, a heat exchanger, and a cooling water pump, and the utility equipment having the common function is a fresh water manufacturing apparatus.
  • the liquefied natural gas plant is composed of a plurality of modules in which a group of devices constituting the liquefied natural gas plant are installed in a frame or on a base.
  • a plurality of liquefied natural gas tanks are provided in the floating body part, and at least some of these liquefied natural gas tanks are arranged in a line along the ship length direction of the floating body part.
  • withdrawal positions In the center area of the floating body portion in the ship width direction, there are provided withdrawal positions where the pipes connected to the respective tanks are withdrawn to the upper surface side of the floating body portion, and the plurality of modules sandwich these withdrawal positions. It should be arranged so as to be divided into areas on both the left and right sides in the ship width direction.
  • the installation location of the utility equipment is divided into the inside and the outside of the floating body according to the supply destination of the utility, so that the burden of designing and manufacturing each utility equipment, and by extension, FLNG, can be shared and reduced.
  • a turret 12 which is a mooring facility is provided on the bow side of a hull 10 which is a floating body portion arranged on the ocean in the FLNG 1a.
  • the turret 12 is connected to a mooring line to moor the hull 10 and is also connected to a riser for underwater transportation of mined natural gas (NG) (a mooring line and a riser are not shown).
  • NG mined natural gas
  • a flare stack 14 for burning surplus gas generated in the LNG plant 2 and the LNG tank 11 is provided at a position on the main body of the hull 10 near the port side, for example, on the bow side.
  • a pipe rack 22 is provided so as to extend along the length direction of the hull 10 in the central region in the ship width direction.
  • the pipe rack 22 is a frame structure that holds a pipe group through which various fluids handled in the LNG plant 2 flow.
  • a plurality of modules 21 configuring the LNG plant 2 are provided side by side in the front-rear direction on both left and right sides of the pipe rack 22.
  • the module 21 is a unit of division in which a device group that constitutes a process unit that performs various processes for NG is incorporated in a common frame.
  • static equipment such as tower tanks and heat exchangers, moving equipment such as pumps, connection pipes for connecting between each static equipment and moving equipment, and between pipes on the pipe rack 22 side, etc.
  • a large number of equipment groups are arranged.
  • the module 21 may be configured by arranging these device groups on a pallet-shaped base.
  • a gas-liquid separation unit that separates the liquid contained in the NG received from the riser
  • a pretreatment unit that removes acid gas (carbon dioxide, hydrogen sulfide, etc.), water, and mercury
  • acid gas carbon dioxide, hydrogen sulfide, etc.
  • a liquefaction unit for liquefying methane, and the like.
  • the housing portion 13 is provided at a position rearward of the area where the module 21 and the pipe rack 22 are provided.
  • the LNG tank 11 is composed of a membrane type tank, and in the FLNG 1a of this example, the plurality of LNG tanks 11 are arranged in two rows along the ship length direction of the hull 10 (FIG. 1(c)). ..
  • a power generation facility including a large power generator and the like is arranged on the deck of the hull 10 together with the LNG plant 2, while a small power generation that generates power used when the LNG plant 2 starts operation or in an emergency.
  • the machine was sometimes installed in the hull 10.
  • steam, hot water, and boilers for heating hot oil have conventionally been either provided on the hull 10 or provided inside the hull 10. Therefore, in the embodiments described below, the power generation facility, the substation facility, the boiler, and the like are not included in the plant utility facility 31 and the common utility facility 32 described below.
  • each module 21 forming the LNG plant 2 and the hull 10 may be constructed in yards (fabrication yard and shipbuilding dock) that are separated from each other. Therefore, for example, it is not easy to reflect the request for changing the specifications of the utility equipment, which is generated during the construction of the LNG plant 2 (module 21), in the common utility equipment 32 on the hull 10 side constructed at a remote location. It was
  • the FLNG 1 has a configuration in which the layout positions of various utility facilities are optimized according to the utility supply destination.
  • the configuration of the FLNG 1 according to the first embodiment will be described with reference to FIGS. 2 and 3.
  • the same components as those of the FLNG 1a described above are denoted by the same reference numerals as those used in FIG. 1 and their repeated description is omitted.
  • the plant utility equipment 31 provided in the hull 10 in the conventional FLNG 1 a is provided on the deck of the hull 10.
  • the plant utility equipment 31 includes at least one or more equipment selected from a cooling water supply equipment group including a seawater pump, a heat exchanger, and a cooling water pump that constitute the cooling water supply equipment. ..
  • a cooling water supply facility for supplying this cooling water includes a seawater pump for pumping seawater from the sea, a heat exchanger for cooling the cooling water using the pumped seawater, and a cooling water pump for sending the cooling water to the LNG plant 2. And the like can be exemplified.
  • the configuration of the cooling water supply facility is not limited to the above-described example, and seawater pumped using a seawater pump may be directly used as the cooling water. In this case, the seawater pump constitutes the cooling water supply equipment.
  • Cooling water and seawater that cools it are utilities that are used in a relatively large amount, and equipment (seawater pumps, heat exchangers, cooling water pumps, etc.) installed in the cooling water supply equipment compared to other utility equipment. Also large ones are used. In addition to the large number of these devices being installed, the pipes connecting the devices also have large diameters. Therefore, when there is a space in the hull 10, it is a common sense to use the space to suppress the increase in size of the entire FLNG 1a (FIG. 1A).
  • the FLNG 1 of the present embodiment has the first feature in that the plant utility equipment 31 is prioritized to be arranged on the hull 10 even if the suppression of the increase in size is sacrificed. is doing.
  • the use of the utility supplied from the plant utility equipment 31 on the hull 10 side is not completely prohibited. For example, if only a part (for example, 30% or less) of the utility supplied from the plant utility equipment 31 is extracted and a pipe for supplying the hull 10 is provided, the hull 10 and the module 21 may be designed and constructed. It doesn't cause a big influence. Further, it is not an essential requirement to arrange all kinds of equipment included in the cooling water equipment group as the plant utility equipment 31 on the hull 10. It is not prohibited to place some types of equipment in the hull while considering the design and construction burden.
  • the FLNG 1 of the present example is a hull that supplies utility to the hull 10 instead of the common utility equipment 32 of the conventional example provided in the hull 10.
  • the second characteristic is that the side-side utility equipment (first utility equipment) 32b and the plant-side utility equipment (second utility equipment) 32a for supplying utilities to the LNG plant 2 are separately provided. Have.
  • Each of the hull-side utility equipment 32b and the plant-side utility equipment 32a is provided with utility equipment having a common function.
  • specific examples include fresh water production equipment that produces fresh water from seawater, nitrogen production equipment that produces nitrogen from air, air compression equipment that supplies instrument air, fuel oil that supplies fuel oil to generators and boilers.
  • Supply device hydraulic supply device for supplying hydraulic oil to hydraulic drive equipment, fire-fighting water supply facility for supplying digestion water, fire-extinguishing medium supply facility for supplying digestion medium such as digestion liquid, combustion gas of fuel, etc.
  • At least one utility facility selected from the facility group consisting of an inert gas generator that obtains an inert gas is provided in both the hull side utility facility 32b and the plant side utility facility 32a.
  • the plant-side utility equipment 32a is provided on the deck of the hull 10, and the hull-side utility equipment 32b is provided inside the hull 10.
  • the hull 10 and the module 21 can be constructed independently without being affected by the specification change of each utility equipment 31, 32a, 32b.
  • FIG. 3 is a schematic view showing an example of a manufacturing process of FLNG1.
  • the LNG plant 2 is manufactured in a state of being divided into a plurality of modules 21 on the fabrication yard side.
  • the utility facilities 31, 32a installed on the hull 10 may be modularized and manufactured in the fabrication yard.
  • the hull 10 is built together with the hull-side utility equipment 32b at the shipbuilding dock. Then, the module 21 and the utility equipment 31, 32a are transported to the shipbuilding dock at a predetermined timing and installed on the hull 10 to configure the FLNG 1.
  • the ship master L of the hull 10 according to the embodiment As a method of securing a new installation space, it is conceivable to make the ship master L of the hull 10 according to the embodiment longer than the ship master L 0 of the hull 10 in the conventional example shown in FIG.
  • the LNG tanks 11, which are conventionally arranged in two rows and are arranged over the full width of the hull 10 are arranged in one row within a tank width range where the influence of sloshing does not occur.
  • the fact that the hull 10 has a long ship length is used to increase the number of installed LNG tanks 11 along the length direction. ..
  • the tank dome 110 is often provided at the center position when the respective LNG tanks 11 are viewed along the ship width direction of the hull 10. At this time, if the LNG tanks 11 are arranged in two rows like the FLNG 1a according to the conventional example shown in FIG. 1(c), it is highly probable that the tank dome tank dome 110 is located below each module 21. Become. Therefore, the installation of the module 21 on the hull 10 cannot be started in some cases due to the limitation of waiting for the installation of the tank dome 110.
  • the plurality of modules 21 are arranged on both the left and right sides of the tank dome 110 in each hull 10 arranged in one row. It is divided into areas. As a result, there is an advantage that the module 21 can be installed on the hull 10 without waiting for the completion of the installation of the tank dome 110.
  • the LNG tank 11 may be arranged in a combination of two-row arrangement and one-row arrangement.
  • the construction of the LNG plant 2 sandwiching the tank dome 110 of the LNG tanks 11 arranged in one row is not limited to the case of applying the method of installing the module 21 constructed in the fabrication yard or the like. . It may be applied to a so-called stick-built construction method in which the components of the LNG plant 2 are assembled on the deck of the hull 10. Also in this case, the area where the construction of the LNG plant 2 can be started is widened without waiting for the completion of the installation of the tank dome 110.
  • the following effects can be obtained. Since the installation locations of the plant utility equipment 31, the plant-side utility equipment 32a, and the hull-side utility equipment 32b are divided into the inside and outside of the hull 10 according to the supply destination of the utility, design of these utility equipment 31, 32a, 32b, The burden of manufacturing can be shared and reduced.
  • the arrangement of the utility equipment 31, 32a, 32b according to the embodiment is not limited to the new FLNG1.
  • the present technology can also be applied to a case where a floating body is added to both sides of an existing LNG transport ship, and the LNG plant 2 and the FLNG 1 are installed on the floating body.
  • the existing utility equipment installed on the LNG transport ship side is the hull side utility equipment 32b
  • the utility equipment installed together with the LNG plant 2 on the floating body to be added is the utility equipment 31, 32a of the LNG plant 2.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
PCT/JP2018/044442 2018-12-03 2018-12-03 浮体設備 WO2020115805A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/JP2018/044442 WO2020115805A1 (ja) 2018-12-03 2018-12-03 浮体設備
KR1020217011896A KR20210092198A (ko) 2018-12-03 2018-12-03 부체 설비
SG11202104515TA SG11202104515TA (en) 2018-12-03 2018-12-03 Floating facility
CN201880099026.2A CN112955376A (zh) 2018-12-03 2018-12-03 浮动设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/044442 WO2020115805A1 (ja) 2018-12-03 2018-12-03 浮体設備

Publications (1)

Publication Number Publication Date
WO2020115805A1 true WO2020115805A1 (ja) 2020-06-11

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ID=70974127

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/044442 WO2020115805A1 (ja) 2018-12-03 2018-12-03 浮体設備

Country Status (4)

Country Link
KR (1) KR20210092198A (ko)
CN (1) CN112955376A (ko)
SG (1) SG11202104515TA (ko)
WO (1) WO2020115805A1 (ko)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005145326A (ja) * 2003-11-18 2005-06-09 Mitsui Eng & Shipbuild Co Ltd ガスハイドレート輸送船
JP2010058772A (ja) * 2008-09-08 2010-03-18 Mitsubishi Heavy Ind Ltd 浮体構造物
JP2014218238A (ja) * 2013-04-12 2014-11-20 信吉 森元 Ｌｎｇ船またはｌｐｇ船
JP2015160443A (ja) * 2014-02-26 2015-09-07 三菱重工業株式会社 運搬船
JP2017047718A (ja) * 2015-08-31 2017-03-09 三井造船株式会社 浮体式洋上設備、及び浮体式洋上設備の電力供給方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011219049A (ja) * 2010-04-14 2011-11-04 Mitsubishi Heavy Ind Ltd 浮体式液化天然ガス生産貯蔵積出設備
KR101018741B1 (ko) * 2010-12-30 2011-03-04 삼성물산 주식회사 해상 제티 구조물을 이용한 엘엔지 재기화 설비
JP6208847B2 (ja) * 2013-04-12 2017-10-04 エクセラレート・リケファクション・ソリューションズ・エルエルシイ 浮き埠頭で天然ガスを液化するシステムおよび方法
JP6381872B2 (ja) 2013-07-03 2018-08-29 信吉 森元 長大海上浮体設備

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005145326A (ja) * 2003-11-18 2005-06-09 Mitsui Eng & Shipbuild Co Ltd ガスハイドレート輸送船
JP2010058772A (ja) * 2008-09-08 2010-03-18 Mitsubishi Heavy Ind Ltd 浮体構造物
JP2014218238A (ja) * 2013-04-12 2014-11-20 信吉 森元 Ｌｎｇ船またはｌｐｇ船
JP2015160443A (ja) * 2014-02-26 2015-09-07 三菱重工業株式会社 運搬船
JP2017047718A (ja) * 2015-08-31 2017-03-09 三井造船株式会社 浮体式洋上設備、及び浮体式洋上設備の電力供給方法

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Publication number Publication date
CN112955376A (zh) 2021-06-11
KR20210092198A (ko) 2021-07-23
SG11202104515TA (en) 2021-05-28

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