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US20140116313A1 - Floating facility mounted with power plant - Google Patents

Floating facility mounted with power plant Download PDF

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Publication number
US20140116313A1
US20140116313A1 US14/019,282 US201314019282A US2014116313A1 US 20140116313 A1 US20140116313 A1 US 20140116313A1 US 201314019282 A US201314019282 A US 201314019282A US 2014116313 A1 US2014116313 A1 US 2014116313A1
Authority
US
United States
Prior art keywords
power generator
floating facility
generator room
fuel tank
power
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
US14/019,282
Other languages
English (en)
Inventor
Young Man Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DSEC Co Ltd
Original Assignee
DSEC 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 DSEC Co Ltd filed Critical DSEC Co Ltd
Assigned to DSEC CO., LTD. reassignment DSEC CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LEE, YOUNG MAN
Publication of US20140116313A1 publication Critical patent/US20140116313A1/en
Abandoned legal-status Critical Current

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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 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • 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 
    • B63B11/00—Interior subdivision of hulls
    • B63B11/02—Arrangement of bulkheads, e.g. defining cargo spaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B11/00—Interior subdivision of hulls
    • B63B11/04—Constructional features of bunkers, e.g. structural fuel tanks, or ballast tanks, e.g. with elastic walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B3/56—Bulkheads; Bulkhead reinforcements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
    • B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
    • B63B43/04—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability
    • B63B43/06—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability using ballast tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J3/00—Driving of auxiliaries
    • B63J3/02—Driving of auxiliaries from propulsion power plant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J99/00—Subject matter not provided for in other groups of this subclass
    • 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
    • B63B2035/4433—Floating structures carrying electric power plants
    • B63B2035/444—Floating structures carrying electric power plants for converting combustion energy into electric energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J99/00—Subject matter not provided for in other groups of this subclass
    • B63J2099/001—Burning of transported goods, e.g. fuel, boil-off or refuse
    • B63J2099/003—Burning of transported goods, e.g. fuel, boil-off or refuse of cargo oil or fuel, or of boil-off gases, e.g. for propulsive purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
    • F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system

Definitions

  • the present invention relates to a floating facility mounted with a power plant, and more particularly, to a floating facility in which at least one power generator room is disposed in one side within a hull of the floating facility and at least one fuel tank is disposed in the other side within the hull.
  • Natural gas is fossil fuel that predominantly contains methane and also contains a small amount of ethane, propane, and the like. Natural gas has recently attracted much attention as a low-pollution energy source in various technical fields.
  • Natural gas may be carried in a gaseous state, or may be carried to a remote consumer while being stored in an LNG carrier in a state of liquefied natural gas (LNG).
  • LNG is obtained by cooling natural gas to a cryogenic temperature (approximately, ⁇ 163° C. or less). Since LNG is reduced to about 1/600 the volume of natural gas which is in a gaseous state, it is very suitable for long-distance marine transportation.
  • LNG FPSO Floating, Production, Storage and Offloading
  • LNG FSRU Floating Storage and Regasification Unit
  • LNG Since LNG is relatively low in price and causes less air pollution, LNG can be appropriately used as a power generation fuel.
  • FIG. 1 schematically shows a barge 1 mounted with a power plant.
  • a fuel tank 13 is loaded in a hull 11 of the barge 1 , and various facilities 20 of the power plant are loaded on a deck of the barge 1 .
  • a safety device may be installed in the floating marine facility in order for fire prevention.
  • the existing floating marine facilities which deal with explosive gases or materials, require a variety of additional facilities for preventing explosion.
  • a variety of safety equipment is further provided to a variety of facilities of the power plant on the deck of the floating marine facilities, installation space for other facilities or working space may be reduced.
  • An aspect of the present invention is directed to a floating facility in which a power generator room is disposed under a deck of the marine facility such that the power generator room and a fuel tank provided inside a hull are balanced within the marine facility, thereby lowering the center of gravity and securing a space above the deck.
  • a floating facility mounted with a power plant includes: at least one power generator room disposed in one side within a hull of the floating facility; and at least one fuel tank disposed in the other side within the hull.
  • the center of gravity of the floating facility may be lowered by disposing the power generator room and the fuel tank within the hull.
  • Ballast tanks may be disposed in both ends of the floating facility.
  • the balance of the floating facility may be maintained by adjusting water levels of the respective ballast tanks according to a weight reduced as a fuel stored in the fuel tank is consumed while a power generator provided in the power generator room is driven.
  • At least one transmission tower may be provided in an upper deck of the power generator room to transmit electricity produced in the power generator room to the exterior of the floating facility.
  • Fuel used for power generation in the power generator room may be liquefied natural gas (LNG), and a vaporizer for vaporizing the LNG stored in the fuel tank and supplying the vaporized LNG to the power generator room as power generation fuel may be provided on an upper deck of the floating facility.
  • LNG liquefied natural gas
  • a vaporizer for vaporizing the LNG stored in the fuel tank and supplying the vaporized LNG to the power generator room as power generation fuel may be provided on an upper deck of the floating facility.
  • the power generator room is partitioned into a plurality of sub power generator rooms, and watertight bulkheads are provided between the sub power generator rooms.
  • a plurality of main engines is provided in the power generator room, and the plurality of main engines are provided to face opposite directions.
  • a space ratio of the at least one power generator room to the at least one fuel tank within the hull of the floating facility may range from 30:70% to 50:50%.
  • the power generator room may generate power by using an ME-GI engine as a main engine.
  • an arrangement method of a floating facility mounted with a power plant includes: a power generator room and a fuel tank disposed under a deck of the floating facility, wherein the power generator room is disposed in one side under the deck, the fuel tank is disposed in the other side under the deck, and a space ratio of the power generator room to the fuel tank ranges from 30:70% to 50:50%.
  • a transmission tower may be provided in an upper deck of the power generator room to transmit electricity produced in the power generator room.
  • Ballast tanks may be disposed in both ends of the floating facility, and the balance of the floating facility may be maintained by adjusting water levels of the respective ballast tanks according to a weight reduced as a fuel stored in the fuel tank is consumed while a power generator provided in the power generator room is driven.
  • FIG. 1 is a schematic view of a barge mounted with a power plant.
  • FIG. 2 is a schematic side view of a floating facility mounted with a power plant according to an embodiment of the present invention.
  • FIG. 3 is a schematic view of power generator rooms according to an embodiment of the present invention.
  • FIG. 2 is a schematic view of a floating facility F mounted with a power plant according to an embodiment of the present invention.
  • a floating facility F mounted with a power plant includes at least one power generator room 100 disposed in one side within a hull of the floating facility F, and at least one fuel tank 200 disposed in the other side within the hull.
  • floating facility F as used herein collectively refers to all floating offshore platform that floats on the sea.
  • the floating facility F includes not only any floating offshore platform with self propulsion device but also any one that is towed to the offshore by a tugboat without propellers.
  • the floating facility F may be a barge.
  • the center of gravity of the floating facility F may be lowered by disposing the power generator room 100 and the fuel tank 200 within the hull.
  • the power generator room 100 In the power generator room 100 , heavy power generating units, such as a main engine and a power generator, are installed. Since the power generator room 100 is provided within the hull, not above the deck D, and the heavy power generating units are installed within the power generator room 100 , the center of gravity of the floating facility F can be lowered to the lower portion of the hull, thereby enhancing stability and easily balancing the hull.
  • Ballast tanks 300 may be provided in both ends of the floating facility F.
  • the balance of the floating facility F can be maintained by adjusting water levels of the respective ballast tanks 300 according to the weight reduced as the fuel stored in the fuel tank 200 is consumed while a power generator provided in the power generator room 100 is driven.
  • the ballast tank 300 provided in the end of the floating facility F in the direction of the power generator room 100 is first filled with seawater, and fuel of the fuel tank 200 is supplied to the power generator room 100 to generate power. Then, the balance of the floating facility F is maintained by discharging the seawater according to the weight of fuel reduced during the power generation. After the seawater is completely discharged, the ballast tank 300 provided in the end of the floating facility F in the direction of the fuel tank 200 is gradually filled with seawater to thereby balance the floating facility F.
  • the capacity of the ballast tanks 300 provided in the end of the floating facility F in the direction of the fuel tank 200 may be adjusted to be greater than that of the ballast tank 300 provided in the end of the floating facility F in the direction of the power generator room 100 .
  • ballast tanks may be provided in outside of sidewall and lower side of the fuel tank 200 within the hull.
  • At least one transmission tower 400 for transmitting electricity produced in the power generator room 100 to the exterior of the floating facility F may be provided on the upper deck D of the power generator room 100 .
  • the transmission tower 400 may be provided in consideration of power capacity. Since the transmission tower 400 is disposed right on the upper deck D of the power generator room 100 , a main cable of the transmission tower 400 may be directly connected to the power generator room 100 . Therefore, a distance for transmission of produced electricity can be reduced, and a high-voltage power transmission line provided in the floating facility F can be minimized.
  • the fuel used for power generation in the power generator room 100 may be LNG.
  • a vaporizer for vaporizing LNG stored in the fuel tank 200 and supplying the vaporized LNG to the power generator room 100 as power generation fuel may be provided on the upper deck D of the floating facility F.
  • a space ratio of at least one power generator room 100 to at least one fuel tank 200 within the hull of the floating facility F may be 30:70% to 50:50%, and more preferably, 40:60%.
  • the power generator room 100 may generate power by using a ME-GI engine as a main engine 110 .
  • the ME-GI engine is an engine that can be used in a vessel.
  • the ME-GI engine is a high pressure natural gas injection engine for an LNG carrier, which has been developed and used for reducing emission of nitrogen oxide (NOx) and sulfur oxide (SOx).
  • the ME-GI engine may be installed in a marine facility, such as an LNG carrier, which carries LNG in a state that LNG is stored in a storage tank capable of withstanding an extremely low temperature.
  • the ME-GI engine may use natural gas as fuel.
  • the ME-GI engine requires a high gas supply pressure of about 150 to 400 bara (absolute pressure) according to a load thereof.
  • the marine facility equipped with the high pressure natural gas injection engine such as the ME-GI engine still requires a re-liquefaction facility in order to process a boil off gas (BOG) generated from the LNG storage tank.
  • the ME-GI engine has attracted much attention as a next-generation environmentally-friendly engine that can reduce 23% of carbon dioxide, 80% of nitrogen compound, and 95% or more of sulfur compounds.
  • the ME-GI engine is disposed in the power generator room 100 of the floating facility F and is used as a main engine 110 to generate power.
  • a generator employing an alternator generating an AC current by using electromagnetic induction may be provided in a shaft of the main engine 110 .
  • the power generator room 100 may be partitioned into a plurality of sub power generator rooms 105 , and firewalls 120 are provided between the sub power generator rooms 105 .
  • the firewalls 120 may be installed with watertight bulkheads, and the watertight bulkheads may be A-60 bulkheads that can prevent penetration of smoke and flame for about sixty minutes.
  • a plurality of main engines 110 may be installed within the power generator room 100 . If a fire occurs in the power generator room un-partitioned, all the main engines may be burned down, resulting in discontinuation of power generation.
  • a power generator room 100 is partitioned into sub power generator rooms 105 , and firewalls 120 are formed between the sub power generator rooms 105 .
  • the firewalls 120 can prevent the spread of fire, and prevent the discontinuation of power generation caused by the burning down of all the main power engines 110 .
  • the firewalls 120 can prevent the sinking of a hull even when a part of the power generator room 100 is damaged. Due to the partition into the sub power generator rooms 105 , fire suppression is facilitated.
  • the plurality of main engines 110 provided within the power generator room 100 may be arranged such that the adjacent main engines face each other in opposite directions.
  • an alternator part of one main engine is arranged in the portside direction
  • an alternator part of another adjacent main engine is arranged to face the starboard direction.
  • At least one power generator room 100 and at least one fuel tank 200 are disposed under a deck D of the floating facility F.
  • the power generator room 100 is disposed in one side under the deck D
  • the fuel tank 200 is disposed in the other side under the deck D.
  • a space ratio of the power generator room 100 to the fuel tank 200 ranges from 30:70% to 50:50%.
  • a transmission tower 400 for transmitting electricity produced in the power generator room 100 may be disposed right on the upper deck D of the power generator room 100 .
  • Ballast tanks 300 may be provided in both ends of the floating facility F.
  • the balance of the floating facility F can be maintained by adjusting water levels of the respective ballast tanks 300 according to the weight reduced as the fuel stored in the fuel tank 200 is consumed while a power generator provided in the power generator room 100 is driven.
  • the center of gravity can be lowered and a space can be secured in the upper portion of the deck D of the floating facility F.
  • ballast tanks 300 are provided in both ends of the floating facility F, and the balance of the floating facility F can be maintained by adjusting water levels of the respective ballast tanks 300 according to the weight reduced as the fuel stored in the fuel tank 200 is consumed while a power generator is driven.
  • the power generator room 100 is disposed within the hull to lower the center of gravity, large power generating units can be mounted to generate a great deal of power, without concern causing matters about the structure of the floating facility F or balance of the floating facility F.
  • the center of gravity of the floating facility can be lowered and a space can be secured in the upper portion of the deck of the floating facility.
  • the ballast tanks are provided in at both ends of the floating facility, the balance of the floating facility can be maintained by adjusting water levels of the respective ballast tanks according to the weight reduced as the fuel stored in the fuel tank is consumed while a power generator is driven.

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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)
US14/019,282 2012-10-29 2013-09-05 Floating facility mounted with power plant Abandoned US20140116313A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2012-0120520 2012-10-29
KR20120120520A KR101260992B1 (ko) 2012-10-29 2012-10-29 발전플랜트가 탑재된 부유식 구조물

Publications (1)

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US20140116313A1 true US20140116313A1 (en) 2014-05-01

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US14/019,282 Abandoned US20140116313A1 (en) 2012-10-29 2013-09-05 Floating facility mounted with power plant

Country Status (3)

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US (1) US20140116313A1 (ja)
JP (1) JP2014088162A (ja)
KR (1) KR101260992B1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314733A (zh) * 2014-10-30 2015-01-28 于海 水上移动发电站

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101475004B1 (ko) * 2013-10-11 2014-12-22 삼성중공업 주식회사 육상 인프라를 이용한 lng 처리시스템
KR101606692B1 (ko) 2014-06-10 2016-03-28 대우조선해양 주식회사 연근해에서의 해양플랜트 시스템 및 그 해양플랜트 시스템의 콘크리트 케이슨
KR20150144981A (ko) 2014-06-18 2015-12-29 대우조선해양 주식회사 연근해에서의 해양플랜트 모듈 시스템 및 그 해양플랜트 모듈 설치방법

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US3934531A (en) * 1974-07-18 1976-01-27 Allen Rudolph A Ocean going cargo transport system
US4025080A (en) * 1976-01-19 1977-05-24 Towmotor Corporation Movable fuel tank mount
US7357092B2 (en) * 2005-05-18 2008-04-15 Kim Mi-Yeong Floating combined cycle power plant

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KR100507853B1 (ko) * 2002-12-17 2005-08-17 허식 자항 바지선
JP5403649B2 (ja) * 2008-07-23 2014-01-29 ジャパンマリンユナイテッド株式会社 液化ガス燃料船及びそのバンカリング方法
JP2010132111A (ja) * 2008-12-04 2010-06-17 Ihi Marine United Inc 船体タンク構造
KR101121721B1 (ko) * 2010-01-28 2012-02-28 에스티엑스조선해양 주식회사 부유식 엘엔지 재기화설비
JP3173640U (ja) * 2011-09-29 2012-02-16 有限会社ピー・エム・シーサービス 原子力発電設備を収納する洋上又は海上移動式船舶

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Publication number Priority date Publication date Assignee Title
US3934531A (en) * 1974-07-18 1976-01-27 Allen Rudolph A Ocean going cargo transport system
US4025080A (en) * 1976-01-19 1977-05-24 Towmotor Corporation Movable fuel tank mount
US7357092B2 (en) * 2005-05-18 2008-04-15 Kim Mi-Yeong Floating combined cycle power plant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314733A (zh) * 2014-10-30 2015-01-28 于海 水上移动发电站

Also Published As

Publication number Publication date
KR101260992B1 (ko) 2013-05-06
JP2014088162A (ja) 2014-05-15

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