WO2003006308A1 - Support d'hydrate de gaz - Google Patents

Support d'hydrate de gaz Download PDF

Info

Publication number
WO2003006308A1
WO2003006308A1 PCT/JP2002/006901 JP0206901W WO03006308A1 WO 2003006308 A1 WO2003006308 A1 WO 2003006308A1 JP 0206901 W JP0206901 W JP 0206901W WO 03006308 A1 WO03006308 A1 WO 03006308A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas hydrate
gas
powder
hold
granular
Prior art date
Application number
PCT/JP2002/006901
Other languages
English (en)
Japanese (ja)
Inventor
Tatsuya Takaoki
Kazushi Hirai
Tadashi Ishiyama
Susumu Tanaka
Original Assignee
Mitsui Engineering & Shipbuilding Co.,Ltd.
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 Mitsui Engineering & Shipbuilding Co.,Ltd. filed Critical Mitsui Engineering & Shipbuilding Co.,Ltd.
Priority to KR1020037016049A priority Critical patent/KR100913747B1/ko
Priority to JP2003512092A priority patent/JP4044899B2/ja
Publication of WO2003006308A1 publication Critical patent/WO2003006308A1/fr

Links

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
    • 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
    • B63B25/04—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods solid
    • 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
    • B63B27/29—Other loading or unloading equipment involving a continuous action, not provided in groups B63B27/22 - B63B27/28

Definitions

  • the present invention relates to a gas hydrate transport ship for transporting a so-called gas hydrate composed of gas mainly composed of methane such as natural gas and water.
  • LNG liquefied natural gas
  • high-pressure gas filled in cylinders Conventionally, natural gas has been transported as liquefied natural gas (hereinafter LNG) or as high-pressure gas filled in cylinders.
  • LNG needs to be transported at a cargo temperature of 162 ° C, so special transport vessels with specially manufactured expensive storage tanks, that is, LNG vessels, are required. .
  • LNG also needs to invest a lot of energy in its production to turn natural gas into a liquid at -162 ° C.
  • LNG is very dangerous because if the temperature control is malfunctioning, it evaporates rapidly.
  • LNG is not suitable for long-term storage because of its extremely low temperature, as described above, the vaporization rate is high.
  • methane-based gas such as natural gas is attracting attention as a raw material for clean energy sources and various products, and methane such as natural gas is mainly used for transportation and storage.
  • Gas to be artificially or industrially Research into gas hydrate (NGH) is being conducted.
  • NGH has a crystal structure in which gas molecules are contained one by one in a basket made of water molecules.
  • a basket made of water molecules For example, in methane hydrate, 1 m 3 of methane hydrate at normal pressure is used. It is said to be occluded to methane of 1 6 4 m 3 in. Of these, the volume of water is 0. 8 m 3.
  • methane hydrate is attracting attention as a new natural gas transport and storage alternative to LNG.
  • the methane gas density in methane hydrate is about 3.5 times lower than that of LNG.
  • the liquefaction temperature that is, the liquefaction temperature like LNG, It is said that there is no need to cool to below 162 ° C, which significantly improves energy efficiency.
  • methane hydrate When producing methane hydrate artificially, for example, spray water or antifreeze from the spraying means into a pressure vessel maintained at a temperature of 1 to 100 ° C and a pressure of 30 to 100 atm. At the same time, methane gas is supplied from the supply pipe. Alternatively, inject methane gas into water or antifreeze. Then, water or antifreeze and methane gas are synthesized to form powdery methane hydrate.
  • the powdered methane hydrate has a filling rate of Because the volume of hydrate / the volume of the storage container) is small, powder methane hydrate may be formed into pellets by a granulator such as a pelletizer during transportation or storage. I have. The transport of such gas hydrates requires new transport vessels to replace LNG carriers.
  • the present invention has been made from such a demand.
  • the purpose is to provide a gas hydrate transport vessel suitable for transporting gas hydrate.
  • a gas hydrate transport ship of the present invention capable of achieving the above object is a transport ship for transporting gas hydrate, and has a hull provided with at least one hold in each of a bow direction and a lateral direction.
  • a loading device for distributing powder or granular gas hydrate to each hold shall be provided, and an unloading device for discharging powder or granular gas hydrate stored in said hold to the outside of the ship shall be provided,
  • the invention is characterized in that the upper part of the hold and the gas hydrate carry-in / out area are covered and sealed with an outer shell.
  • the hull is provided with one or more holds each in the bow and stern directions and in the lateral direction thereof, and is provided with a loading device for distributing powder or granular gas hydrate to each hold, and in the hold.
  • Flour or grain stored An unloading device that discharges the gas hydrate out of the ship is installed, and the upper part of the hold and the gas hydrate carry-in / out area are covered with an outer shell and sealed, so that the powder or granular gas hydrate can be removed. Safe and efficient cargo handling and safe transport have become possible.
  • gas hydrate has a crystal structure in which gas molecules are contained one by one in a basket made of water molecules, so that even if temperature control or the like becomes abnormal, gas hydrate can evaporate rapidly. And is extremely safe compared to LNG.
  • gas hydrate has a lower vaporization rate than LNG, and is suitable for long-distance transportation and long-term storage.
  • Conveyor type and shoot type can be cited as loading equipment.
  • the conveyor-type loading device includes a first transfer means for transferring the powder or granular gas hydrate in the bow direction, and a distribution means for distributing the powder or granular gas hydrate from the first transfer means to each hold. It comprises supply means for supplying a powder or granular gas hydrate from the outboard to the first transfer means, and cylindrical sealing means for covering the outside of the supply means. Therefore, powder or granular gas hydrate can be smoothly and efficiently loaded into the hold.
  • the chute-type loading device has a cylindrical moving part movable toward the bow direction of the hull, a plurality of distribution shots provided in the moving part, and a moving part between the moving part and the hull. It is composed of the provided seal part.
  • powder or granular gas hydrate can be smoothly and efficiently loaded into the hold than a conveyor-type loading device.
  • the unloading device includes a second transfer means disposed below the hold, and a transfer means for transferring the powder or granular gas hydrate transferred by the second transfer means to a cargo handling device outside the ship. Have been.
  • a sliding plate having a myriad of gas ejection holes and a gas hydrate transport box arranged on the sliding plate, or a cylindrical object, and a gas hydrate transfer box installed in the cylindrical object What consists of a perforated plate and a gas body that floats the gas hydrate on the perforated plate Can be.
  • FIG. 1 is a perspective view of a gas hydrate transport ship according to the present invention. is there.
  • FIG. 2 is an enlarged perspective view of a main part of the gas hydrate transport ship according to the present invention.
  • FIG. 3 is a cross-sectional view of the gas hydrate transport ship according to the present invention.
  • Fig. 4 is a vertical sectional view of the loading / unloading area.
  • FIG. 5 is a longitudinal sectional view of the lift device.
  • FIG. 6 is a front view of the dispensing device.
  • FIG. 7 is a perspective view of a chute.
  • FIG. 8 is a perspective view of the dispensing device.
  • FIG. 9 is an expanded view of the conveyor.
  • FIG. 10 is a diagram showing a holding state of the conveyor.
  • FIG. 11 is a side view showing another embodiment of the lift device.
  • FIG. 12 is a longitudinal sectional view of the dispensing device.
  • FIG. 13 is a perspective view of the dispensing device.
  • FIG. 14 is a perspective view showing another embodiment of the transfer device.
  • FIG. 15 is an explanatory view of crush prevention means.
  • FIG. 16 is a perspective view of the blending device.
  • the gas hydrate transport ship 1 has a large number of holds 3 in a hull 2. These holds 3 are arranged in a grid pattern to prevent the gas halide stored in the hold 3 from collapsing.
  • the hold 3 has an input port 4 at its upper end and a discharge port 5 at its lower end.
  • the diameter D of the outlet 5 is desirably set to at least about four times the apparent diameter of the pellet-like gas hydrate a.
  • a vertically movable baffle and hatch 6 is provided to uniformly load the pellet-shaped gas hydrate a and the pellet-shaped gas hydrate a falls to the bottom of the hold 3 Care is taken not to break when it is done.
  • hold 3 is arranged in three columns
  • the exposed part is covered with a heat insulating material 7 such as urethane foam, plywood, balsa, perlite, etc., and the interior of the cargo hold 3 is maintained at a predetermined temperature, for example, 15 ° C to 130 ° C. It is about to hold.
  • a heat insulating material 7 such as urethane foam, plywood, balsa, perlite, etc.
  • a medium with low thermal conductivity such as water or oil or antifreeze liquid is sealed in a jacket (not shown) provided outside the hold 3, and the inside of the hold 3 is maintained at a predetermined set temperature. There is no problem. Further, it is possible to circulate the refrigerant in a cooling jacket (not shown) provided outside the hold 3 and forcibly cool the inside of the hold 3 to a predetermined set temperature.
  • 8 indicates a gate and 9 indicates a ballast tank.
  • the transport ship 1 includes a conveyor-type loading device 11.
  • the loading device 11 includes a first conveyor 12, a distribution device 13, and a supply device 14.
  • the hold 3 is in a three-row column, but the first conveyor 12 is provided directly above each hold group 30.
  • the distribution device 13 includes a distribution plate 15 that can move intermittently in the bow direction along the first conveyor 12.
  • the distribution plate 15 is provided obliquely with respect to the first conveyor 12, and has a pellet-shaped gas hydrate transported by the first conveyor 12. G is supplied or distributed to the designated hold 3.
  • a supply device 14 is provided in the carry-in / out area 10 where the rear end of the first conveyor 12 is located.
  • the supply device 14 includes a main conveyor 16 and a slide conveyor 17 capable of sliding (see FIG. 2). As the slide conveyor 17 moves back and forth, that is, in the lateral direction of the hull 2, the pellet-shaped gas hydrate a is distributed to the first conveyor 12 respectively. ing.
  • the pellet gas hydrate a becomes the main conveyor 1. From 6 is supplied to the first conveyor 12 via the slide conveyor 17. The gas hydrate a in the form of a bullet supplied to the first conveyor 12 is transferred in the bow direction by the first conveyor 12. Then, the hand going to the distribution plate 15 set just above the predetermined hold 3 is blocked, and the drop is stored in the predetermined hold 3 and stored.
  • an outer shell 19 is provided on the deck 18 so as to cover the hold group 30 and the carry-in / out area 10 so as to seal the space therebetween.
  • the side of this outer shell 19 is located in the loading / unloading area.
  • An opening 20 is provided.
  • a sealing means 21 for sealing the supply device 14 is detachably attached to the opening 20.
  • the sealing means 21 has a bellows-like shape at the tip portion 22 so that it can freely expand and contract.
  • the opening 20 has a hatch (not shown).
  • the gas hydrate transport ship 1 includes a conveyor-type unloading device 23.
  • the unloading device 23 uses a second conveyor 24 provided below the hold group 30 and a pellet-shaped gas hydrate a transferred by the second conveyor 24 to the outboard cargo handling device 25 ( (See Fig. 5).
  • the vertical lift device 26 is composed of a tank 27 with a shunt and a screw conveyor 28 erected on the tank 27.
  • a funnel-shaped chute 29 is provided between the two conveyors 24 and the tank 27.
  • the conveyor 31 is used as the outboard cargo handling device 25.
  • the conveyor 31 is inserted through the opening 20 provided on the side surface of the outer shell 19 described above.
  • the conveyor 31 is not limited to a screw conveyor, and a belt-shaped conveyor can be used. 21 indicates a bellows-like sealing means.
  • the pellet-shaped gas hydrate a discharged into the tank 27 by the second conveyor 24 is transported upward by the vertical screw conveyor 28, and is transferred to the screw conveyor 28. It is supplied from the duct 32 to the conveyor 31 of the cargo handling device 25. And it is unloaded outside the ship by Competition 31.
  • the vertical screw conveyor 28 that lifts the gas gas a in the form of a pellet and the conveyor 31 for loading and unloading use gas such as carbon dioxide gas, nitrogen gas, and methane gas as the pressurized gas. It is desirable. Also, it is desirable to sail while spraying water on the deck 18 and the outer shell 19 during navigation.
  • gas such as carbon dioxide gas, nitrogen gas, and methane gas as the pressurized gas. It is desirable. Also, it is desirable to sail while spraying water on the deck 18 and the outer shell 19 during navigation.
  • the loading type loading device 11a is equipped with a bogie 34 on a bow-to-sail rail 33 mounted on a deck 18 and distributed to the bogie 34.
  • a device 35 is provided.
  • the distributing device 35 is made up of a hopper 36 and a plurality (three in the figure) of chutes 37 a, 27 b, and 37 c attached to the hopper 36. It is configured.
  • the distributing device 35 has a seal plate 38 having a multi-section structure such as a shirt.
  • the seal plate 38 is provided endlessly, and its ends are air-tightly attached to the front and rear ends of the hopper 36, respectively.
  • the gap between the sealing plate 38 and the outer shell 19 installed on the deck 18 is also sealed by a sealing material (not shown).
  • the hopper 36 is partitioned into chute 37 a, 27 b and 37 c by partition plates 39 a and 39 b.
  • a pipe conveyor can be used as the above-mentioned cargo handling conveyor.
  • Various types of pipe conveyors are known. For example, as shown in FIGS. 9 and 10, a plurality of semicircular fins 41 are formed at a predetermined pitch by a conveyor 42. When attached to the gas, the pellet-shaped gas hydrate a can be transported more reliably.
  • a lift device 26a as shown in FIG. 11 can be used as a lift device.
  • This lift device 26a is a device in which a large number of buckets 46 are attached to an endless member 45 that extends over a pair of upper and lower wheels 43, 44. The bucket interval is large on the side where a is to be lifted (left side in the figure), and small on the return side (right side in the figure).
  • a cylinder system (not shown) can be used as the lift device.
  • This device has a structure in which a piston-like object in a vertical cylinder is raised and lowered by a hydraulic cylinder.
  • a floating dispensing device 47 shown in FIGS. 12 and 13 can be used as the dispensing device.
  • the dispensing device 47 ejects gas b from a large number of small holes 49 provided in a passage 48 and transfers the gas b into a box 50 containing a pellet-shaped gas hydrate a. .
  • a knitted fabric 52 is installed in the pipe 51, and a gas such as methane gas is blown out from the knit of the fabric 52 to form a pellet-like gas hydrate a. Liquidity can be increased.
  • Hold 3 is an ultrasonic transducer attached to the bottom By vibrating (not shown) or rotating a stirring blade (not shown) provided in the hold, it becomes easy to remove the pellet-shaped gas hydrate a.
  • a rubber coating (not shown) is attached to the bottom of the hold 3, and when the pellet-shaped gas hydrate a is dispensed, gas is injected between the hold 3 and the coating to form a hopper. It is also conceivable to deform it.
  • shock mitigation method include a method using a slide sheet, a method using a curved tube, and a method using a chin-shape distributor.
  • a large-diameter hole 56 is provided below the distribution means (duct) 54.
  • an air flow transfer method can be cited.
  • the mixing ratio is set to 10 to 15 and, for example, a pellet-like The gas hydrate.
  • A is transported entirely by air flow, or is transported using methane gas only in vertical transport, and is transported outboard using a no-conveyor. Main gas is supplied and circulated from land.

Abstract

L'invention concerne un support destiné à transporter un hydrate de gaz, ce support étant pourvu d'au moins une cale contenue dans une coque, dans les sens longitudinal et latéral, d'un dispositif de chargement servant à distribuer de la poudre ou un hydrate de gaz granulaire dans les cales, ce dispositif étant disposé dans la coque, et d'un dispositif de déchargement servant à décharger la poudre ou l'hydrate de gaz granulaire stocké dans les cales, vers l'extérieur du support, ce dispositif de déchargement étant installé dans la coque, le côté supérieur des cales et d'une zone d'accès à l'hydrate de gaz étant recouverts de manière étanche par une enveloppe extérieure.
PCT/JP2002/006901 2001-07-09 2002-07-08 Support d'hydrate de gaz WO2003006308A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020037016049A KR100913747B1 (ko) 2001-07-09 2002-07-08 가스 하이드레이트 수송선
JP2003512092A JP4044899B2 (ja) 2001-07-09 2002-07-08 ガスハイドレート輸送船

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001208029 2001-07-09
JP2001-208029 2001-07-09

Publications (1)

Publication Number Publication Date
WO2003006308A1 true WO2003006308A1 (fr) 2003-01-23

Family

ID=19043922

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/006901 WO2003006308A1 (fr) 2001-07-09 2002-07-08 Support d'hydrate de gaz

Country Status (3)

Country Link
JP (1) JP4044899B2 (fr)
KR (1) KR100913747B1 (fr)
WO (1) WO2003006308A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005255075A (ja) * 2004-03-15 2005-09-22 Mitsui Eng & Shipbuild Co Ltd 天然ガスハイドレート輸送船およびその輸送方法
JP2010195226A (ja) * 2009-02-25 2010-09-09 Mitsui Eng & Shipbuild Co Ltd 船舶
JP2010195227A (ja) * 2009-02-25 2010-09-09 Mitsui Eng & Shipbuild Co Ltd 船舶
EP2476611A1 (fr) * 2009-09-07 2012-07-18 Mitsui Engineering & Shipbuilding Co., Ltd. Procédé de transport par voie d'eau pour granules de polymère
WO2013184574A1 (fr) * 2012-06-03 2013-12-12 Conveyor Application Systems Llc Système pour transporter des déchets de forage
JP2014201530A (ja) * 2013-04-02 2014-10-27 独立行政法人産業技術総合研究所 重水を含むガスハイドレート粒子及びそれを用いたガスハイドレート貯蔵方法
WO2016108177A3 (fr) * 2014-12-28 2016-08-18 Yehoshua Fishler Système de transport et de stockage d'hydrates de gaz et procédé associé

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100840059B1 (ko) * 2004-09-06 2008-06-19 현대중공업 주식회사 천연가스 수송수단
JP5173892B2 (ja) * 2009-03-02 2013-04-03 三井造船株式会社 船舶
KR101122774B1 (ko) 2009-08-20 2012-03-23 삼성중공업 주식회사 해수를 이용한 저장고 온도 조절 장치가 구비된 압축 천연가스 운반선
KR101245751B1 (ko) 2011-02-23 2013-03-25 삼성중공업 주식회사 하이드레이트 팩킹장치 및 이를 구비한 하이드레이트 운반선
KR20190137287A (ko) 2018-06-01 2019-12-11 현대중공업 주식회사 천연가스 하이드레이트 펠렛용 저장 탱크의 선적 및 하역 설비를 구비한 부유식 해상구조물
CN108945319B (zh) * 2018-06-05 2019-10-15 江苏盐道物流股份有限公司 一种便于搬运货物的物流运输船

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JPS50159082A (fr) * 1974-06-15 1975-12-23
JPS50159088A (fr) * 1974-06-18 1975-12-23
JPS5695788A (en) * 1979-12-28 1981-08-03 Hitachi Zosen Corp Granular material transportation ship
JPH11348877A (ja) * 1998-06-04 1999-12-21 Mitsui Miike Mach Co Ltd ばら物運搬船
JP2000302702A (ja) * 1999-04-26 2000-10-31 Mitsui Eng & Shipbuild Co Ltd ガスハイドレートの製法
JP2000302088A (ja) * 1999-04-21 2000-10-31 Mitsui Miike Mach Co Ltd ばら物運搬船の防水扉装置
JP2001072615A (ja) * 1999-09-01 2001-03-21 Ishikawajima Harima Heavy Ind Co Ltd ハイドレート製造方法及びその製造装置

Patent Citations (7)

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Publication number Priority date Publication date Assignee Title
JPS50159082A (fr) * 1974-06-15 1975-12-23
JPS50159088A (fr) * 1974-06-18 1975-12-23
JPS5695788A (en) * 1979-12-28 1981-08-03 Hitachi Zosen Corp Granular material transportation ship
JPH11348877A (ja) * 1998-06-04 1999-12-21 Mitsui Miike Mach Co Ltd ばら物運搬船
JP2000302088A (ja) * 1999-04-21 2000-10-31 Mitsui Miike Mach Co Ltd ばら物運搬船の防水扉装置
JP2000302702A (ja) * 1999-04-26 2000-10-31 Mitsui Eng & Shipbuild Co Ltd ガスハイドレートの製法
JP2001072615A (ja) * 1999-09-01 2001-03-21 Ishikawajima Harima Heavy Ind Co Ltd ハイドレート製造方法及びその製造装置

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005255075A (ja) * 2004-03-15 2005-09-22 Mitsui Eng & Shipbuild Co Ltd 天然ガスハイドレート輸送船およびその輸送方法
JP4620371B2 (ja) * 2004-03-15 2011-01-26 三井造船株式会社 天然ガスハイドレート輸送船
JP2010195226A (ja) * 2009-02-25 2010-09-09 Mitsui Eng & Shipbuild Co Ltd 船舶
JP2010195227A (ja) * 2009-02-25 2010-09-09 Mitsui Eng & Shipbuild Co Ltd 船舶
EP2476611A1 (fr) * 2009-09-07 2012-07-18 Mitsui Engineering & Shipbuilding Co., Ltd. Procédé de transport par voie d'eau pour granules de polymère
EP2476611A4 (fr) * 2009-09-07 2014-04-23 Mitsui O S K Lines Ltd Procédé de transport par voie d'eau pour granules de polymère
WO2013184574A1 (fr) * 2012-06-03 2013-12-12 Conveyor Application Systems Llc Système pour transporter des déchets de forage
US9169089B2 (en) 2012-06-03 2015-10-27 Conveyor Application Systems Llc System for conveying drill cuttings
JP2014201530A (ja) * 2013-04-02 2014-10-27 独立行政法人産業技術総合研究所 重水を含むガスハイドレート粒子及びそれを用いたガスハイドレート貯蔵方法
WO2016108177A3 (fr) * 2014-12-28 2016-08-18 Yehoshua Fishler Système de transport et de stockage d'hydrates de gaz et procédé associé
US10272975B2 (en) 2014-12-28 2019-04-30 Yehoshua Fishler Gas hydrate transportation and storage system and method
EA035802B1 (ru) * 2014-12-28 2020-08-13 Йехошуа Фишлер Транспортировка и хранение гидратов газов - система и способ

Also Published As

Publication number Publication date
JP4044899B2 (ja) 2008-02-06
KR20040015732A (ko) 2004-02-19
KR100913747B1 (ko) 2009-08-24
JPWO2003006308A1 (ja) 2005-03-10

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