WO2015174681A1 - Système d'alimentation en carburant et procédé d'alimentation en carburant d'un transporteur de gaz gpl - Google Patents

Système d'alimentation en carburant et procédé d'alimentation en carburant d'un transporteur de gaz gpl Download PDF

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Publication number
WO2015174681A1
WO2015174681A1 PCT/KR2015/004543 KR2015004543W WO2015174681A1 WO 2015174681 A1 WO2015174681 A1 WO 2015174681A1 KR 2015004543 W KR2015004543 W KR 2015004543W WO 2015174681 A1 WO2015174681 A1 WO 2015174681A1
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WIPO (PCT)
Prior art keywords
lpg
fuel supply
day tank
fuel
supplying
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Application number
PCT/KR2015/004543
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English (en)
Korean (ko)
Inventor
장재호
정제헌
유병용
문영식
Original Assignee
대우조선해양 주식회사
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.)
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Application filed by 대우조선해양 주식회사 filed Critical 대우조선해양 주식회사
Priority to CN201580019080.8A priority Critical patent/CN106458309A/zh
Publication of WO2015174681A1 publication Critical patent/WO2015174681A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/06—Feeding by means of driven pumps mechanically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • 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
    • 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
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels
    • 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 fuel supply system and a fuel supply method that can be applied to an LPG fuel engine used in an LPG carrier.
  • LPG liquefied Petroleum Gas
  • oil fuels such as heavy fuel oil (HFO) or marine diesel oil (MFO) have been used as fuel for engines of LPG carriers.
  • HFO heavy fuel oil
  • MFO marine diesel oil
  • LPG as a cargo of a conventional LPG carrier is stored and transported in the LPG storage tank
  • BOG Silicon Off Gas
  • LPG storage tank BOG (Boil Off Gas) generated in the LPG storage tank is re-liquefied in the reliquefaction plant and then transferred to the LPG storage tank and stored again.
  • the present invention is to provide a fuel supply system that can supply the re-liquefied BOG to the LPG fuel engine in the reliquefaction plant of the LPG carrier, minimizing the addition of equipment to meet the requirements of the engine.
  • the present invention also provides a fuel supply method for supplying re-liquefied BOG to an LPG fuel engine engine in a reliquefaction plant of an LPG carrier, and minimizing the addition of equipment to meet the requirements of the engine. .
  • the present invention provides a fuel supply system for supplying fuel to an LPG fuel engine of a LPG carrier (Liquefied Petroleum Gas Carrier), a fuel supply line for supplying LPG to a day tank; A day tank storing LPG supplied from the fuel supply line and supplying the LPG to the LPG fuel engine; And a pressurizing means for pressurizing the day tank.
  • LPG carrier Liiquefied Petroleum Gas Carrier
  • the pressing means according to the embodiment may be installed in the day tank front end or day tank.
  • Pressing means installed in the front end of the day tank according to the embodiment may be a compressor or a pump.
  • the pressurizing means installed in the day tank according to the embodiment may be an N 2 supply system.
  • N 2 supply system may be one of N 2 generator (generator) or N 2 gas bottle (gas bottle).
  • the fuel supply line includes a first fuel supply line including a reliquefaction plant for supplying LPG generated by reliquefying the BOG generated in the LPG storage tank to the day tank; And at least one fuel supply line selected from a second fuel supply line supplying the LPG stored in the LPG storage tank to the day tank.
  • LPG generated by re-liquefying BOG in the first fuel supply line according to the embodiment may be -13 ⁇ 40 °C.
  • the second fuel supply line includes at least one pump for supplying LPG stored in the LPG storage tank; And it may be to include a heater for heating the LPG.
  • the at least one pump according to the embodiment is a cargo pump (cargo pump) for pumping the LPG stored in the LPG storage tank: and one or more selected from the cargo booster pump (cargo booster pump) for pressurizing the LPG Can be.
  • cargo pump for pumping the LPG stored in the LPG storage tank: and one or more selected from the cargo booster pump (cargo booster pump) for pressurizing the LPG Can be.
  • the cargo booster pump according to the embodiment may be connected in series or in parallel.
  • a heater may be additionally installed at the rear end of the day tank.
  • Day tank according to the embodiment may be an internal pressure of 30 to 50 bar.
  • the LPG fuel engine according to the embodiment may be a ME-LGI engine.
  • the present invention also provides a fuel supply method for supplying fuel to an LPG fuel engine of a LPG carrier (Liquefied Petroleum Gas Carrier), comprising: a fuel supply step of supplying LPG to a day tank; And storing the LPG supplied from the fuel supplying step in a pressurized day tank and then supplying the LPG fuel engine to the LPG fuel engine, wherein the day tank may be pressurized by a pressurizing means.
  • LPG carrier Liquefied Petroleum Gas Carrier
  • Day tank according to the embodiment may be one that is pressed by the pressing means installed in the front end of the day tank or day tank.
  • Pressing means installed in the front end of the day tank according to the embodiment may be a compressor or a pump.
  • the pressurizing means installed in the day tank according to the embodiment may be an N 2 supply system.
  • N 2 supply system may be one of N 2 generator (generator) or N 2 gas bottle (gas bottle).
  • the fuel supply step includes a first fuel supply step of supplying the LPG generated by reliquefaction of the BOG generated in the LPG storage tank to the high pressure day tank; And at least one fuel supply step selected from the second fuel supply step of supplying the LPG stored in the LPG storage tank to the high pressure day tank.
  • the second fuel supply step according to the embodiment may include pressurizing the LPG stored in the LPG storage tank; And heating the pressurized LPG.
  • Pressurizing the LPG includes the steps of pumping the LPG stored in the LPG storage tank; And pressurizing the pumped LPG.
  • Pressurizing the pumped LPG according to the embodiment may be pressurized by a cargo booster pump connected in series or in parallel.
  • Day tank according to the embodiment may be pressurized so that the internal pressure is 30 ⁇ 50 bar.
  • the fuel supply method according to the embodiment may further comprise the step of heating the LPG at the rear end of the day tank.
  • the LPG fuel engine according to the embodiment may be a ME-LGI engine.
  • the present invention also provides a fuel supply system for supplying a MEG-LGI engine for propulsion of an LPG carrier including a day tank for storing LPG and then supplying the fuel to the engine. It provides a fuel supply system for supplying a ME-LGI engine for propulsion of an LPG carrier, characterized in that an N 2 supply system is installed to press the internal pressure of the day tank to the required pressure of the ME-LGI at 30 to 50 bar.
  • LPG includes a first fuel supply line including a reliquefaction plant for supplying LPG generated by reliquefying the BOG generated in the LPG storage tank to the day tank; And a second fuel supply line for supplying LPG stored in the LPG storage tank to the day tank.
  • the present invention also a fourth as the embodiment, the LPG as a post ME-LGI engine propulsion ME-LGI engine supply a fuel supply method for the LPG carriers to be supplied to the storage in the day tank, the day tank is N 2 supply
  • the present invention provides a fuel supply method for supplying a ME-LGI engine for propulsion of an LPG carrier, wherein the internal pressure is pressurized to 30 to 50 bar, which is equivalent to the required pressure of the ME-LGI.
  • the present invention also provides an LPG carrier including the fuel supply system.
  • the fuel supply system is configured using a reliquefaction plant, a pump, or the like installed in the LPG carrier, it is possible to reduce the cost of installing additional equipment.
  • LPG is re-liquefied in the reliquefaction plant and stored in the LPG and LPG storage tanks stored in the high pressure day tank and supplied to the LPG fuel engine, so that the fuel supply system can be configured without additional equipment to meet the required pressure of the LPG fuel engine. Can be.
  • the LPG of the high pressure formed by reliquefaction in the reliquefaction plant of the LPG carrier is supplied to the high pressure day tank without reducing the pressure, it is possible to prevent the generation of flash gas that may be generated due to the reduced pressure.
  • FIG. 1 is a block diagram of a fuel supply system according to an embodiment of the present invention.
  • FIG. 2 is a block diagram of a reliquefaction plant included in the first fuel supply line of the fuel supply system according to FIG. 1.
  • FIG. 3 is a block diagram illustrating a fuel supply process by a second fuel supply line of the fuel supply system according to FIG. 1.
  • FIG. 1 is a block diagram of a fuel supply system according to an embodiment of the present invention.
  • the fuel supply system is a fuel supply system for supplying fuel to the LPG fuel engine of the LPG carrier (Liquefied Petroleum Gas Carrier), a fuel supply line for supplying LPG to the day tank; A day tank 300 for storing the LPG supplied from the fuel supply line and supplying the LPG to the LPG fuel engine; And it may include a pressing means 310 for pressing the day tank 300.
  • LPG carrier Liiquefied Petroleum Gas Carrier
  • the fuel supply line includes a first fuel supply line 100 including a reliquefaction plant 110 for supplying LPG generated by reliquefying the BOG generated in the LPG storage tank 10 to the day tank 300; And at least one fuel supply line selected from the second fuel supply line 200 supplying the LPG stored in the LPG storage tank 10 to the day tank 300.
  • the first fuel supply line 100 is a fuel supply line for supplying LPG formed by reliquefaction of the BOG generated in the LPG storage tank 10 to the day tank 300, and re-liquefies the BOG generated in the LPG storage tank 10.
  • the liquefaction plant 110 may be included.
  • FIG. 2 shows a block diagram of a reliquefaction plant 110 included in the first fuel supply line 100 of the fuel supply system according to FIG. 1.
  • the reliquefaction plant 110 includes a compressor (112) for compressing the BOG generated in the LPG storage tank (10); And a condenser 114 for condensing the BOG compressed by the compressor 112.
  • the compressor may be a three stage compressor including a first compressor 1, a second compressor 2, and a third compressor 3.
  • the front of the first compressor may be a knock out drum (Knock Out drum) 111 for separating the liquid component from the BOG generated in the LPG storage tank 10 may be installed.
  • BOG generated in the LPG storage tank 10 may remove liquid components, such as mist and droplets, from the knockout drum 111 before being sucked into the first compressor 1. Accordingly, it is possible to effectively block the liquid component flowing into the compressor 112 to prevent the shortening of the life of the compressor 112 due to the liquid component.
  • an intercooler 113 may be installed at a rear end of the first compressor 1 to cool the BOG primary compressed by the first compressor 1.
  • the intercooler 113 may prevent the temperature of the BOG from rising during the compression process.
  • the condenser 114 may be to condense the compressed BOG using a refrigerant, and the refrigerant may be seawater (SW).
  • the refrigerant may be seawater (SW).
  • BOG may be condensed and reliquefied by heat exchange between the seawater at 25 ° C. to 35 ° C. and the BOG compressed by the compressor 112.
  • the reliquefied BOG that is, LPG may be obtained.
  • a receiver 115 for storing LPG formed by reliquefaction of BOG and supplying the LPG to a day tank may be installed.
  • the LPG stored in the receiver 115 may be supplied to the day tank 300 at a high pressure of 20 ⁇ 30bar.
  • the LPG stored in the receiver 115 may be supplied to the day tank 300 after being cooled through the intercooler 113.
  • the second fuel supply line 200 is a fuel supply line for supplying LPG stored in the LPG storage tank 10 to the day tank 300, and the second fuel supply line 200 supplies the LPG stored in the LPG storage tank.
  • the second fuel supply line 200 is a cargo pump 210 for pumping LPG stored in the LPG storage tank: a cargo booster pump 220 for pressurizing the LPG; And it may include a heater 230 for heating the pressurized LPG.
  • the LPG stored in the LPG storage tank 10 may be pumped by the cargo pump 210 in the state of 0bar and -48 ° C, and may be pumped to the day tank 300 at 7bar and -47 ° C.
  • the pressurizer may be pressurized by the cargo booster pump 220 and pressurized to a state of 20 bar and ⁇ 42 ° C., and heated to 20 bar and 40 ° C. by the heater to be supplied to the day tank 300.
  • One cargo booster pump 220 may be used, and a plurality of cargo booster pumps 220 may be used in series or in parallel.
  • two cargo booster pumps 220 may be connected to implement a structure connected in series or in parallel due to a valve operation, and when a cargo booster pump ( 200) can be connected in series.
  • the day tank is used to supply LPG to the LPG fuel engine using a cargo pump built in the LPG storage tank of the LPG carrier, but adjusts the amount of LPG pumped by the cargo pump to fuel the LPG fuel engine. It is a tank that can supply as much as.
  • the day tank 300 is a high-pressure tank in which the internal pressure is pressurized to 30 to 50 bar.
  • the day tank 300 may store the LPG supplied through the fuel supply line as described above at a high pressure.
  • LPG may be supplied to the LPG fuel engine from the day tank without a separate pressurizing means after the day tank 300.
  • a heater for heating the LPG to the required temperature of the LPG fuel engine may be additionally installed.
  • Pressing means for maintaining the day tank 300 in a high pressure state may be installed in front of the day tank 300 or the day tank 300.
  • the pressurizing means installed in front of the day tank 300 may be a compressor or a pump.
  • the compressor may be a compressor 112 included in the reliquefaction plant 110 of the first fuel air line
  • the compressor 112 is the required pressure of the LPG fuel engine It can be a high pressure compressor that can satisfy.
  • the LPG formed by reliquefaction in the reliquefaction plant 110 by the compressor 112 may represent a required pressure of the LPG fuel engine, a pressure of 30 to 50 bar.
  • the pump may pressurize the LPG formed by reliquefaction in the reliquefaction plant 110 of the first fuel supply line.
  • the pressurizing means installed in the day tank 300 may be an N 2 supply system 310 installed on the upper part of the day tank 300, and may maintain the internal pressure of the day tank 300 at a high pressure by N 2 supply.
  • the N 2 supply system 310 may be selected from an N 2 generator and an N 2 gas bottle.
  • the LPG fuel engine may be a ME-LGI engine, and LPG supplied to the engine may be injected at a high pressure inside the engine.
  • the present invention also provides a fuel supply method for supplying fuel to the LPG fuel engine of the LPG carrier, the fuel supply step of supplying LPG to the day tank; And storing the LPG supplied from the fuel supplying step in a pressurized day tank and then supplying the LPG fuel engine to the LPG fuel engine, wherein the day tank is pressurized by N 2 supply. .
  • the fuel supply step may include a first fuel supply step of supplying LPG generated by reliquefaction of BOG generated in the LPG storage tank to a high pressure day tank; And at least one fuel supply step selected from the second fuel supply step of supplying the LPG stored in the LPG storage tank to the high pressure day tank.
  • the second fuel supply step may include pressurizing the LPG stored in the LPG storage tank; And heating the pressurized LPG.
  • pressurizing the LPG stored in the LPG storage tank may include pumping the LPG stored in the LPG storage tank; And pressurizing the LPG.
  • the pressurizing may be performed by pressurizing the LPG using a cargo booster pump, by using one cargo booster pump, or by connecting a plurality of cargo booster pumps in series or in parallel to adjust the pressurized pressure.
  • the day tank is pressurized by a press means installed in the front end of the day tank or the day tank, so that the internal pressure can be maintained at a high pressure of 30 to 50 bar, so that the LPG through the day tank without additional pressure to the LPG fuel engine Can supply
  • the LPG may be heated at the rear end of the day tank to heat the LPG to a required temperature of the LPG fuel engine.
  • the present invention also provides a fuel supply system for supplying a MEG-LGI engine for propulsion of an LPG carrier including a day tank for storing LPG and supplying the fuel to an engine, wherein an internal pressure of the day tank is applied to an upper portion of the day tank.
  • the present invention relates to a fuel supply system for supplying a ME-LGI engine for propulsion of an LPG carrier, wherein an N2 supply system pressurizes the required pressure of the ME-LGI to 30 to 50 bar.
  • the LPG may include a first fuel supply line including a reliquefaction plant for supplying LPG generated by reliquefying the BOG generated in the LPG storage tank to a day tank; And a second fuel supply line for supplying LPG stored in the LPG storage tank to the day tank.
  • the present invention also provides a fuel supply method for supplying a MEG-LGI engine for propulsion of an LPG carrier that stores LPG in a day tank and supplies the MEG-LGI engine, wherein the day tank has an internal pressure of ME- by a N 2 supply. It may be pressurized to 30-50 bar, which is equivalent to the required pressure of the LGI.

Abstract

La présente invention concerne un système d'alimentation en carburant et un procédé d'alimentation en carburant et, plus spécifiquement, un système d'alimentation en carburant et un procédé d'alimentation en carburant, capables de stocker du GPL, qui est reliquéfié pour être formé par un système de reliquéfaction de gaz d'évaporation d'un transporteur de gaz GPL, dans un réservoir journalier à haute pression, puis d'alimenter ce dernier à un moteur à carburant GPL depuis l'extrémité arrière du réservoir journalier sans dispositif de mise sous pression supplémentaire. Selon la présente invention, un système d'alimentation en carburant peut être formé avec une construction simple sans dispositif supplémentaire pour mettre sous pression un carburant destiné à être fourni à un moteur à carburant GPL, et ainsi des effets économiques indirects peuvent être attendus.
PCT/KR2015/004543 2014-05-16 2015-05-07 Système d'alimentation en carburant et procédé d'alimentation en carburant d'un transporteur de gaz gpl WO2015174681A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201580019080.8A CN106458309A (zh) 2014-05-16 2015-05-07 Lpg运载工具的燃料供应系统及燃料供应方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0059230 2014-05-16
KR1020140059230A KR20150131860A (ko) 2014-05-16 2014-05-16 Lpg 운반선의 연료공급 시스템 및 연료공급 방법

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WO2015174681A1 true WO2015174681A1 (fr) 2015-11-19

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CN (1) CN106458309A (fr)
WO (1) WO2015174681A1 (fr)

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JP6901919B2 (ja) * 2017-07-05 2021-07-14 川崎重工業株式会社 船舶
CN109319047A (zh) * 2018-11-27 2019-02-12 益阳中海船舶有限责任公司 海巡船用的动力控制系统
WO2021031197A1 (fr) * 2019-08-22 2021-02-25 中集船舶海洋工程设计研究院有限公司 Système d'alimentation en carburant et procédé d'alimentation en carburant
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CN113291446A (zh) * 2021-06-29 2021-08-24 广船国际有限公司 一种甲醇双燃料船舶日用柜的补给系统及其使用方法
CN113291446B (zh) * 2021-06-29 2022-04-19 广船国际有限公司 一种甲醇双燃料船舶日用柜的补给系统及其使用方法

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