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KR100572103B1 - Multi-purpose LNK Supply Pump System for Liquefied Natural Gas Carriers Promoted by Heterogeneous Fuel Engines - Google Patents

Multi-purpose LNK Supply Pump System for Liquefied Natural Gas Carriers Promoted by Heterogeneous Fuel Engines Download PDF

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Publication number
KR100572103B1
KR100572103B1 KR1020050016512A KR20050016512A KR100572103B1 KR 100572103 B1 KR100572103 B1 KR 100572103B1 KR 1020050016512 A KR1020050016512 A KR 1020050016512A KR 20050016512 A KR20050016512 A KR 20050016512A KR 100572103 B1 KR100572103 B1 KR 100572103B1
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South Korea
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natural gas
lng
supply
liquefied natural
cargo
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KR1020050016512A
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Korean (ko)
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이동훈
이철희
김명배
이영철
장대준
남기일
정삼헌
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현대중공업 주식회사
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    • 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
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/58—Arrangements of pumps
    • B67D7/62—Arrangements of pumps power operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/78—Arrangements of storage tanks, reservoirs or pipe-lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
    • 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
    • B63B27/24—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines

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

Abstract

본 발명은 이종연료엔진으로 추진되는 액화천연가스 운반선의 다중 목적용 LNG 공급 펌프시스템에 관한 것으로, 그 목적은 하나의 펌프시스템으로 액화천연가스 펌프시스템을 구성하여 화물창 내부의 공간을 확보하고, 설비비 및 유지 보수비를 감소하여 경제적 부담을 해소시킬 수 있는 이종연료엔진으로 추진되는 액화천연가스 운반선의 다중 목적용 LNG 공급 펌프시스템을 제공하는 것이다.  The present invention relates to a multi-purpose LNG supply pump system of a liquefied natural gas carrier that is propelled by a heterogeneous fuel engine, the object of which is to construct a liquefied natural gas pump system with a single pump system to secure the space inside the cargo hold, equipment cost And to provide a multi-purpose LNG supply pump system of liquefied natural gas carriers promoted by a heterogeneous fuel engine that can reduce the economic burden by reducing maintenance costs.

본 발명은 이종연료엔진에 기화된 천연가스를 공급하는 천연가스연료공급시스템과, 화물창의 적정 온도유지를 위한 화물창 냉각용 분사시스템과, 액화천연가스 하역시 화물창의 적정 압력을 유지하기 위한 압력유지용 천연가스 기화시스템으로 액화 천연가스를 공급하기 위한 액화천연가스 펌프시스템에 있어서; 화물창 냉각용 분사시스템 또는 압력유지용 천연가스 기화시스템으로 LNG 를 공급하는 제 1 공급배관과 천연가스 연료공급시스템으로 LNG 를 공급하는 제 2 공급배관을 서로 연결하여 일체화 하고, 상기 연결된 제 1,2 액화천연가스 공급배관을 화물창내에 설치된 LNG 송출펌프에 연결하여, 하나의 펌프에 의해 이종엔진으로의 연료공급, LNG 적재시 화물창의 적정온도 유지 및, LNG 하역시 탱크내부를 기화된 천연가스로 가압할 수 있도록 구성되어 있다.The present invention provides a natural gas fuel supply system for supplying natural gas vaporized to a heterogeneous fuel engine, a cargo system cooling injection system for maintaining an appropriate temperature of the cargo hold, and a pressure maintenance for maintaining the appropriate pressure in the cargo hold when liquefied natural gas unloading A liquefied natural gas pump system for supplying liquefied natural gas to a natural gas vaporization system; The first supply pipe for supplying LNG to cargo injection cooling system or the pressure gas supply system for maintaining gas and the second supply pipe for supplying LNG to natural gas fuel supply system are connected to each other to integrate the first and second supply pipes. Connect the LNG supply pipe to the LNG delivery pump installed in the cargo hold, supply the fuel to the heterogeneous engine by one pump, maintain the proper temperature of the cargo hold when loading the LNG, and pressurize the inside of the tank with the vaporized natural gas when LNG is unloaded. It is configured to do so.

액화천연가스, 이종연료엔진, 액화천연가스운반선, 천연가스연료공급시스템, 화물창냉각용분사시스템, 압력유지용천연가스기화시스템 Liquefied natural gas, heterogeneous fuel engine, liquefied natural gas carrier, natural gas fuel supply system, cargo cooling system, pressure gas natural gas vaporization system

Description

이종연료엔진으로 추진되는 액화천연가스 운반선의 다중 목적용 ＬＮＧ 공급 펌프시스템{Multi-purpose liquefied natural gas pump system for liquefied natural gas carriers equipped with dual fuel engines}Multi-purpose liquefied natural gas pump system for liquefied natural gas carriers equipped with dual fuel engines

도 1 은 본 발명에 따른 구성을 보인 예시도1 is an exemplary view showing a configuration according to the present invention

도 2 는 종래의 구성을 보인 예시도2 is an exemplary view showing a conventional configuration

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

(100) : 화물창 냉각용 분사시스템100: cargo injection cooling system

(200) : 압력유지용 천연가스 기화시스템(200): Natural gas vaporization system for pressure maintenance

(300) : 천연가스 연료공급시스템300: natural gas fuel supply system

(400) : 화물창400: cargo hold

(500) : 이종연료엔진(500): Heterogeneous fuel engine

(600) : LNG 송출펌프600: LNG delivery pump

(700) : 제 1 공급배관700: first supply piping

(800) : 제 2 공급배관800: second supply piping

본 발명은 이종연료엔진으로 추진되는 액화천연가스 운반선의 다중 목적용 LNG 공급 펌프시스템에 관한 것으로, 천연가스연료공급시스템과 화물창냉각용분사시스템 및 압력유지용 천연가스기화시스템을 하나의 펌프에 의해 구동시킬 수 있는 이종연료엔진으로 추진되는 액화천연가스 운반선의 다중 목적용 LNG 공급 펌프시스템에 관한 것이다. The present invention relates to a multi-purpose LNG supply pump system of a liquefied natural gas carrier that is promoted by a heterogeneous fuel engine, and a natural gas fuel supply system, a cargo window cooling injection system, and a pressure maintaining natural gas vaporization system by a single pump. A multi-purpose LNG feed pump system for liquefied natural gas carriers driven by a heterogeneous fuel engine that can be driven.

종래의 이종연료엔진(Dual Fuel Engine)으로 추진되는 액화천연가스 운반선의 액화천연가스 펌프시스템은 도 2 에 도시된 바와 같이, 이종연료엔진에 기화된 천연가스를 공급하는 천연가스연료공급시스템과, 화물창의 적정 온도유지를 위한 화물창 냉각용 분사시스템과, 액화천연가스 하역시 화물창의 적정 압력을 유지하기 위한 압력유지용 천연가스 기화시스템에 액화 천연가스를 공급하기 위하여 2 개 이상의 펌프와 이에 연결된 관련배관으로 구성되어 있다. 즉, 종래의 액화천연가스 펌프시스템은 화물창 냉각용 분사시스템과 압력유지용 천연가스 기화시스템은 화물창내에 설치된 스프레이용 펌프에 의해 액화천연가스가 공급되고, 천연가스 연료공급시스템은 천연가스연료공급용 펌프에 의해 액화천연가스를 공급받도록 구성되어 있었다. The liquefied natural gas pump system of a liquefied natural gas carrier which is driven by a conventional dual fuel engine is a natural gas fuel supply system for supplying natural gas vaporized to a heterogeneous fuel engine, as shown in FIG. Two or more pumps and associated pumps for supplying liquefied natural gas to the cargo hold cooling system for maintaining the cargo hold temperature and the natural gas vaporization system for maintaining the pressure in the cargo hold when liquefied natural gas is unloaded. It consists of piping. That is, the conventional liquefied natural gas pump system is supplied with a liquefied natural gas by the injection system for cooling the cargo hold and the natural gas vaporization system for pressure maintenance by a spray pump installed in the cargo hold, the natural gas fuel supply system is for supplying natural gas fuel It was configured to receive liquefied natural gas by a pump.

그러나, 상기와 같은 종래의 액화천연가스 펌프시스템은 2개 이상의 펌프를 사용하고 있으며, 각각의 펌프와 연결하여 관련배관이 설치되므로, 화물창 내부의 공간이 축소되고, 장치의 설비비 및 유지 보수비가 증가되는 문제점이 있었다. However, the conventional liquefied natural gas pump system as described above uses two or more pumps, and the associated piping is installed in connection with each pump, thereby reducing the space inside the cargo hold and increasing the equipment cost and maintenance cost of the device. There was a problem.

본 발명은 상기와 같은 문제점을 해소하기 위한 것으로, 그 목적은 하나의 펌프시스템으로 액화천연가스 펌프시스템을 구성하여 화물창 내부의 공간을 확보하고, 설비비 및 유지 보수비를 감소하여 경제적 부담을 해소시킬 수 있는 이종연료엔진으로 추진되는 액화천연가스 운반선의 다중 목적용 LNG 공급 펌프시스템을 제공하는 것이다. The present invention is to solve the above problems, the purpose is to configure the liquefied natural gas pump system with a single pump system to secure the space inside the cargo hold, can reduce the economic burden by reducing the equipment cost and maintenance costs It is to provide a multi-purpose LNG supply pump system for liquefied natural gas carriers driven by heterogeneous fuel engines.

도 1 은 본 발명에 따른 구성을 보인 예시도를 도시한 것으로, 본 발명은 화물창 냉각용 분사시스템(100) 또는 압력유지용 천연가스 기화시스템(200)으로 액화천연가스를 공급하는 제 1 공급배관(700)과, 천연가스 연료공급시스템(300)으로 액화천연가스를 공급하는 제 2 공급배관(800)을 서로 연결하고, 상기 연결된 제 1,2 공급배관(700,800)을 화물창(400)내에 설치된 LNG 송출펌프(600)에 연결하여, 하나의 펌프에 의해 이종연료엔진(500)으로의 연료공급, LNG 적재시 화물창의 적정온도 유지, LNG 하역시 화물창의 적정압력 유지를 수행할 수 있도록 구성되어 있다. 1 shows an exemplary view showing a configuration according to the present invention, the present invention is a first supply pipe for supplying liquefied natural gas to the cargo hold cooling injection system 100 or pressure maintaining natural gas vaporization system 200 700 and the second supply pipe 800 for supplying liquefied natural gas to the natural gas fuel supply system 300 are connected to each other, and the connected first and second supply pipes 700 and 800 are installed in the cargo hold 400. Connected to the LNG delivery pump 600, it is configured to perform fuel supply to the heterogeneous fuel engine 500 by one pump, to maintain the proper temperature of the cargo hold when loading LNG, and to maintain the appropriate pressure of the cargo hold when LNG is unloaded. have.

상기 천연가스 연료공급 시스템(300)은 이종연료엔진(500)에 기화된 천연가스를 공급하기 위한 시스템으로, 화물창(400)에서 자연 기화되는 천연가스가 엔진 연료로 부족한 경우, LNG 송출펌프(600)에 의해 제 2 공급배관(800)을 통해 공급되 는 LNG를 강제 기화시켜 자연 기화된 천연가스와 함께 엔진 연료로 공급한다. The natural gas fuel supply system 300 is a system for supplying vaporized natural gas to the heterogeneous fuel engine 500, when natural gas vaporized in the cargo hold 400 is insufficient as an engine fuel, LNG pump pump 600 ) By forced vaporization of the LNG supplied through the second supply pipe (800) to supply the engine fuel with natural gas vaporized.

상기 화물창 냉각용 분사시스템(100)은 영하 162℃의 LNG 를 화물창(400)에 적재할 때, 화물창의 온도가 급감하는 것을 예방하고, 화물창의 온도를 유지하기 위한 시스템으로, LNG 송출펌프(600) 및 제 1 공급배관(700)을 통해 LNG 를 공급받는다.The cargo hold cooling injection system 100 is a system for preventing the temperature of the cargo hold from dropping sharply when loading LNG having a temperature of minus 162 ° C. in the cargo hold 400 and maintaining the temperature of the cargo hold. ) And LNG is supplied through the first supply pipe 700.

상기 압력유지용 LNG 기화시스템(200)은 적재 LNG 를 하역할 때, 탱크내부를 기화된 천연가스로 가압하기 위한 시스템으로, LNG 송출펌프(600) 및 제 1 공급배관(700)을 통해 LNG 를 공급받는다. The pressure maintaining LNG vaporization system 200 is a system for pressurizing the inside of the tank with the vaporized natural gas when unloading the LNG, LNG through the LNG delivery pump 600 and the first supply pipe 700 To be supplied.

상기 이종연료엔진(500)은 LNG 운반선의 항해 상황에 따라 디젤, 천연가스를 혼용하여 사용하며, 항해 시작과 끝에 디젤을 주로 사용하고, 선박의 주항해시, 기화 LNG 를 많이 사용한다. The heterogeneous fuel engine 500 uses a mixture of diesel and natural gas according to the sailing situation of the LNG carrier, mainly uses diesel at the beginning and end of the voyage, and uses a lot of vaporized LNG when sailing the ship.

상기 LNG 송출펌프(600)는 제 1,2 공급배관(700,800)을 통해 화물창 냉각용 분사시스템(100), 압력유지용 천연가스 기화시스템(200) 및 천연가스 연료공급시스템(300)으로 LNG를 공급하는 것으로, 화물창(400)내에 설치되며, 화물창 냉각용 분사시스템(100), 압력유지용 천연가스 기화시스템(200), 천연가스 연료공급시스템(300)으로 공급되는 최대 LNG 공급량 중 최대치를 수용할 수 있는 용량을 구비한다. The LNG delivery pump 600 supplies LNG to the cargo hold cooling injection system 100, the pressure maintaining natural gas vaporization system 200, and the natural gas fuel supply system 300 through the first and second supply pipes 700 and 800. By supplying, installed in the cargo hold 400, accommodates the maximum of the maximum LNG supply to the cargo hold cooling injection system 100, pressure holding natural gas vaporization system 200, natural gas fuel supply system 300 It has the capacity to do it.

상기 제 1 공급배관(700)은 LNG 송출펌프(600)와 연결되어 화물창 냉각용 분사시스템(100) 또는 압력유지용 천연가스기화시스템(200)으로 LNG 를 공급한다. The first supply pipe 700 is connected to the LNG delivery pump 600 to supply LNG to the cargo hold cooling injection system 100 or the pressure maintaining natural gas vaporization system 200.

상기 제 2 공급배관(800)은 LNG 송출펌프(600)와 연결되어 천연가스 연료공 급시스템(300)으로 LNG를 공급하는 것으로, 상기 제 1 공급배관(700)과 일체형으로 연결되어 있다. The second supply pipe 800 is connected to the LNG delivery pump 600 to supply LNG to the natural gas fuel supply system 300, and is integrally connected to the first supply pipe 700.

즉, 상기 제 1,2 공급배관(700,800)은 주배관과 분기관의 관계와 같이, LNG 송출펌프(600)와 연결된 하나의 연결배관에서 분기되어 형성되어 있다. That is, the first and second supply pipes 700 and 800 are branched from one connection pipe connected to the LNG delivery pump 600 as in the relationship between the main pipe and the branch pipe.

상기와 같이 구성된 본 발명은 항해 전 LNG 의 적재시, LNG 송출펌프 및 제 1 공급배관에 의해 화물창 냉각용 분사시스템으로 LNG 가 공급되어 화물창의 온도가 적정온도로 유지되고, 적재완료후 항해 시, LNG 송출펌프 및 제 2 공급배관을 통해 천연가스 연료공급시스템으로 LNG 가 공급되어 이종연료엔진으로 기화된 LNG 가 공급되며, 선박 항해 후 하역작업시에는 LNG 송출펌프 및 제 1 공급배관을 통해 압력유지용 천연가스기화시스템으로 LNG 가 공급되어 탱크내부를 기화된 천연가스로 가압하게 된다. In the present invention configured as described above, the LNG is supplied to the cargo hold cooling injection system by the LNG delivery pump and the first supply pipe at the time of loading the LNG before sailing so that the temperature of the cargo hold is maintained at an appropriate temperature, and when the cargo is completed, LNG is supplied to the natural gas fuel supply system through the LNG delivery pump and the second supply pipe, and LNG vaporized to the heterogeneous fuel engine is supplied. During the unloading operation after the ship sailing, the pressure is maintained through the LNG delivery pump and the first supply pipe. LNG is supplied to the natural gas vaporization system to pressurize the tank with vaporized natural gas.

이에 따라, 본 발명에서는 용량이 다른 2개 이상의 스프레이 펌프 및 천연가스연료공급용 펌프를 구비하지 않고, 화물창 냉각용 분사시스템, 천연가스 연료 공급시스템, 압력유지용 천연가스기화시스템으로 공급되는 최대 LNG 송출량 중 최고치를 수용할 수 있는 용량의 LNG 송출펌프 하나를 구비하여 각각의 시스템에 LNG를 적절히 공급할 수 있는 다중 목적용 LNG 공급 펌프시스템을 제공하는 것이다. Accordingly, the present invention does not include two or more spray pumps having different capacities and pumps for supplying natural gas fuel, and the maximum LNG supplied to the cargo hold cooling injection system, the natural gas fuel supply system, and the pressure maintaining natural gas vaporization system. It is to provide a multi-purpose LNG supply pump system capable of supplying LNG to each system properly by having one LNG delivery pump having a capacity that can accommodate the highest of the delivery amount.

본 발명은 상술한 특정의 바람직한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 고안이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위내에 있게 된다. The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. Of course, such changes will fall within the scope of the claims.

이와 같이 본 발명은 하나의 펌프 및 이에 연결되는 공급배관에 의해 화물창 냉각용 분사시스템, 압력유지용 천연가스 기화시스템, 천연가스 연료공급시스템으로 각각 LNG 를 공급할 수 있도록 구성되어 있어, 화물창내에 설치되는 펌프의 갯수를 줄일 수 있으며, 이를 통해 설비비 및 유지보수비를 절감할 수 있고, 제한적인 선박 내부 공간을 절약할 수 있는 등 많은 효과가 있다. As described above, the present invention is configured to supply LNG to the cargo hold cooling injection system, the pressure maintaining natural gas vaporization system, and the natural gas fuel supply system by one pump and a supply pipe connected thereto. The number of pumps can be reduced, which can reduce equipment and maintenance costs, and can save a limited space inside the ship.

Claims (1)

이종연료엔진에 기화된 천연가스를 공급하는 천연가스연료공급시스템과, 화물창의 적정 온도유지를 위한 화물창 냉각용 분사시스템과, 액화천연가스 하역시 화물창의 적정 압력을 유지하기 위한 압력유지용 천연가스 기화시스템으로 액화 천연가스를 공급하기 위한 액화천연가스 펌프시스템에 있어서;Natural gas fuel supply system for supplying vaporized natural gas to heterogeneous fuel engines, cargo cooling system for maintaining the cargo temperature, and natural gas for pressure maintenance to maintain the proper pressure in cargo storage when liquefied natural gas is unloaded A liquefied natural gas pump system for supplying liquefied natural gas to a vaporization system; 화물창 냉각용 분사시스템 또는 압력유지용 천연가스 기화시스템으로 LNG 를 공급하는 제 1 공급배관과 천연가스 연료공급시스템으로 LNG 를 공급하는 제 2 공급배관을 서로 연결하여 일체화 하고,Integrate and integrate the first supply pipe for supplying LNG to cargo injection cooling system or the pressure gas supply system for maintaining gas and the second supply pipe for supplying LNG to natural gas fuel supply system. 상기 연결된 제 1,2 액화천연가스 공급배관을 화물창내에 설치된 LNG 송출펌프에 연결하여, 하나의 펌프에 의해 이종엔진으로의 연료공급, LNG 적재시 화물창의 적정온도 유지 및, LNG 하역시 탱크내부를 기화된 천연가스로 가압하는 것을 특징으로 하는 이종연료엔진으로 추진되는 액화천연가스 운반선의 다중 목적용 LNG 공급 펌프시스템.Connect the connected first and second liquefied natural gas supply pipes to the LNG delivery pump installed in the cargo hold, supply fuel to the heterogeneous engine by one pump, maintain the proper temperature of the cargo hold when loading LNG, and when the LNG is unloaded, A multi-purpose LNG supply pump system for liquefied natural gas carriers propagated by heterogeneous fuel engines, characterized by pressurizing with vaporized natural gas.
KR1020050016512A 2005-02-28 2005-02-28 Multi-purpose LNK Supply Pump System for Liquefied Natural Gas Carriers Promoted by Heterogeneous Fuel Engines KR100572103B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
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KR20110046944A (en) * 2009-10-29 2011-05-06 대우조선해양 주식회사 Floating structure with removable fuel tank
KR20110047684A (en) * 2009-10-30 2011-05-09 대우조선해양 주식회사 Floating structures with movable fuel tanks
KR101359982B1 (en) * 2010-10-29 2014-02-06 대우조선해양 주식회사 System for keeping high-pressure of storage container for pressurized liquefied natural gas
KR101359980B1 (en) * 2013-05-24 2014-02-11 대우조선해양 주식회사 System for keeping high-pressure of storage container for pressurized liquefied natural gas

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110046944A (en) * 2009-10-29 2011-05-06 대우조선해양 주식회사 Floating structure with removable fuel tank
KR101628809B1 (en) * 2009-10-29 2016-06-10 대우조선해양 주식회사 Floating structure having an attachable fuel gas tank
KR20110047684A (en) * 2009-10-30 2011-05-09 대우조선해양 주식회사 Floating structures with movable fuel tanks
KR101599307B1 (en) * 2009-10-30 2016-03-03 대우조선해양 주식회사 Floating structure with movable fuel tank
KR101359982B1 (en) * 2010-10-29 2014-02-06 대우조선해양 주식회사 System for keeping high-pressure of storage container for pressurized liquefied natural gas
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