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公开(公告)号：KR1020140075607A
公开(公告)日：2014-06-19
申请号：KR1020130150793
申请日：2013-12-05
Applicant: 대우조선해양 주식회사
CPC classification number: F17C1/002 , B63H21/38 , F02M21/0287 , F17C13/00 , F17C2201/052 , F17C2221/033 , F17C2223/0161 , F17C2223/047 , F17C2227/0135 , F17C2227/0178 , F17C2265/034 , F17C2265/07 , F17C2270/0105 , F25J1/0025 , F25J1/004 , F25J1/0042 , F25J1/0202 , F25J1/0277 , F25J2240/40 , Y02E60/321 , Y02T10/32 , Y02T10/36 , Y02T70/5209 , Y02T70/5218 , Y02T90/46
Abstract: Disclosed is a system for liquefying hydrocarbon gas. The system for liquefying hydrocarbon gas pressurizes a first stream of evaporated gas generated from the evaporation of liquid hydrocarbon, and divides the first stream into a second stream and a third stream. By liquefying the third stream in a heat exchanger by heat-changing the third stream with the first stream, the evaporated hydrocarbon gas can be liquefied.
Abstract translation: 公开了一种用于液化烃气体的系统。 用于液化烃气体的系统对从液体烃的蒸发产生的第一蒸发气体流进行加压，并将第一流分成第二流和第三流。 通过用热交换器通过用第一流热变换第三流来液化第三流，蒸发的烃气体可以液化。
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公开(公告)号：KR1020140075606A
公开(公告)日：2014-06-19
申请号：KR1020130150792
申请日：2013-12-05
Applicant: 대우조선해양 주식회사
CPC classification number: F17C1/002 , B63H21/38 , F02M21/0287 , F17C13/00 , F17C2201/052 , F17C2221/033 , F17C2223/0161 , F17C2223/047 , F17C2227/0135 , F17C2227/0178 , F17C2265/034 , F17C2265/07 , F17C2270/0105 , F25J1/0025 , F25J1/004 , F25J1/0042 , F25J1/0202 , F25J1/0277 , F25J2240/40 , Y02E60/321 , Y02T10/32 , Y02T10/36 , Y02T70/5209 , Y02T70/5218 , Y02T90/46
Abstract: A hybrid fuel supply system of an engine for a vessel is disclosed. The hybrid fuel supply system comprises: a compressor which compresses BOG generated in LNG stored in an LNG storage tank; a high pressure pump which receives the LNG stored in the LNG storage tank and compresses the LNG; a vaporizer which vaporizes the LNG compressed in the high pressure pump; and a dual fuel (DF) engine which receives the BOG compressed through the compressor as a fuel.
Abstract translation: 公开了一种用于船舶的发动机的混合燃料供应系统。 混合燃料供给系统包括：压缩机，其压缩储存在LNG储罐中的LNG中产生的BOG; 接收储存在LNG储罐中的LNG并压缩LNG的高压泵; 蒸发器，其使在高压泵中压缩的LNG蒸发; 以及接收通过压缩机压缩的BOG作为燃料的双燃料（DF）发动机。
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公开(公告)号：KR1020140052817A
公开(公告)日：2014-05-07
申请号：KR1020130081026
申请日：2013-07-10
Applicant: 대우조선해양 주식회사
CPC classification number: Y02T10/32 , F02D19/081 , F02D19/0634 , F02M21/0245 , F02M21/06
Abstract: The present invention relates to a system and a method for supplying fuel gas for a ship, which are capable of supplying fuel gas in response to a methane number required by an engine which can compress and vaporize liquefied natural gas (LNG), and can receive the LNG to use as fuel. According to the present invention, a system for supplying fuel gas for a ship and a method for supplying fuel gas using the system are provided. The system for supplying fuel gas for a ship comprises a storage tank which stores LNG, and an engine which receives the LNG stored in the storage tank to use as fuel. More specifically, the system includes: a compressor line which compresses BOG generated in the storage tank by a compressor and supplies the BOG as fuel to the engine; a high-pressure pump line which compresses LNG contained in the storage tank by a high-pressure pump and supplies the LNG as fuel to the engine; an expansion valve which is provided on the high-pressure pump line to decompress the LNG compressed by the high-pressure pump up to pressure required by the engine; and a vapor-liquid separator which is provided on the high-pressure pump line to adjust a methane number of LNG to a value required by the engine by separating hydrocarbon components from the LNG decompressed through the expansion valve.
Abstract translation: 本发明涉及一种用于为船舶供应燃料气体的系统和方法，其能够响应于能够压缩和蒸发液化天然气（LNG）的发动机所需的甲烷数量而供应燃料气体，并且可以接收 LNG用作燃料。 根据本发明，提供了一种用于为船舶提供燃料气体的系统和使用该系统供应燃料气体的方法。 用于供应用于船舶的燃料气体的系统包括储存LNG的储罐和接收储存在储罐中用作燃料的LNG的发动机。 更具体地说，该系统包括：压缩机线，其通过压缩机压缩在储罐中产生的BOG，并将BOG作为燃料供给发动机; 高压泵管线，其通过高压泵压缩容纳在储罐中的LNG，并将LNG作为燃料供应给发动机; 膨胀阀，其设置在高压泵管路上，以将由高压泵压缩的LNG减压至发动机所需的压力; 以及气液分离器，其设置在高压泵管线上，以通过从通过膨胀阀减压的LNG分离烃成分来将LNG的甲烷数量调节到发动机所需的值。
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公开(公告)号：KR1020140052814A
公开(公告)日：2014-05-07
申请号：KR1020130081022
申请日：2013-07-10
Applicant: 대우조선해양 주식회사
CPC classification number: Y02T10/32 , F02M21/0245 , B63B25/14 , F02D19/022 , F02M21/0212 , F02M21/06
Abstract: A fuel supply system and method for a ship engine are disclosed. The fuel supply system for a ship engine of the present invention includes: a first passage connected to liquefied natural gas (LNG) storage tanks of a ship to supply, to a high-pressure gas injection engine of the ship, boil off gas (BOG) generated from LNG stored in the LNG storage tanks; a second passage pumping and evaporating the LNG stored in the LNG storage tanks of the ship and supplying the LNG to the high-pressure gas injection engine; and stripping pumps respectively provided in the LNG storage tanks of the ship to pump LNG remaining in the LNG storage tanks. The high-pressure gas injection engine receives the LNG pumped by the stripping pumps through the second passage.
Abstract translation: 公开了一种用于船舶发动机的燃料供应系统和方法。 本发明的船用发动机的燃料供给系统包括：连接到船舶的液化天然气（LNG）储罐的第一通道，用于向船舶的高压气体注射发动机供应蒸发气体（BOG ）由储存在LNG储罐中的LNG产生; 第二通道泵送和蒸发存储在船的LNG储罐中的LNG并将LNG供应到高压气体喷射发动机; 以及分别设置在船舶的LNG储罐中的抽汽泵，以泵送剩余在LNG储罐中的LNG。 高压气体注射发动机通过第二通道接收由汽提泵泵送的LNG。
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公开(公告)号：KR101356004B1
公开(公告)日：2014-02-05
申请号：KR1020130081033
申请日：2013-07-10
Applicant: 대우조선해양 주식회사
Abstract: The present invention relates to a method for treating evaporation gas of a vessel allowing evaporation gas to efficiently be used by pressurizing evaporation gas discharged from a storage tank, and using most of them as fuel of a high pressure natural gas spray engine for a vessel and liquefying the rest of them to cold energy of evaporation gas newly discharged from the storage tank to return to the storage tank. According to the present invention, the method for treating evaporation gas of a vessel, which has a storage tank for storing liquefied natural gas and a high pressure natural gas spray engine for using evaporation gas discharged from the storage tank as fuel, comprises: a compressing step of receiving evaporation gas generated in the storage tank to be compressed by a compressor; a supplying step of classifying the evaporation gas compressed in the compressing step to supply a portion of the evaporation gas to the high pressure natural gas spray engine as fuel; and a cooling step of heat exchanging, by a heat exchanger, the rest of the evaporation gas which is not supplied to the high pressure natural gas spray engine as fuel with evaporation gas which is not compressed after being discharged from the storage tank to be cooled.
Abstract translation: 本发明涉及一种用于处理容器的蒸发气体的方法，其允许通过对从储罐排出的蒸发气体加压而有效地使用蒸发气体，并且使用它们中的大多数作为用于船只的高压天然气喷射发动机的燃料， 将其余部分液化成从储罐新排放的蒸发气体的冷能回到储罐。 根据本发明，具有用于储存液化天然气的储罐和使用从储罐排出的蒸发气体作为燃料的高压天然气喷射发动机的容器的蒸发气体处理方法包括：压缩 接收在储罐中产生的要被压缩机压缩的蒸发气体的步骤; 对在压缩步骤中压缩的蒸发气体进行分类以将一部分蒸发气体供给到高压天然气喷雾引擎作为燃料的供应步骤; 以及冷却步骤，通过热交换器将未供给高压天然气喷射发动机的其余蒸发气体作为燃料进行热交换，所述蒸发气体在从要被冷却的储罐排出后未被压缩的蒸发气体 。
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Patent Agency Ranking
公开(公告)号：KR1020130127186A
公开(公告)日：2013-11-22
申请号：KR1020120050929
申请日：2012-05-14
Applicant: 대우조선해양 주식회사
Inventor： 김남수
CPC classification number: B63H21/38 , B63B2770/00
Abstract: The present invention relates to a bunkering system of an LNG fueled ship (LFS), and, more specifically, to a bunkering system of an LFS using LFS facilities to treat evaporation gas generated when LNG is loaded as fuel in a fuel tank of the LFS without transferring the evaporation gas to a bunkering ship; promoting the convenience of an LNG bunkering work; and minimizing the burden of business operators of LNG bunkering not only by utilizing an existing bunkering ship for the LNG bunkering work, but also by stopping the additional investment in facilities such as a reliquefaction system, a drive generator, and an evaporation gas return line. The present invention of the bunkering system of the LFS is a system bunkering LNG in the fuel tank comprising an evaporation gas loading line loading the evaporation gas in the fuel tank of the LFS; an evaporation gas loading line; an evaporation discharge line discharging the evaporation gas generated from the fuel tank; a compressor installed on the evaporation gas discharge line; and a mixer installed on the LNG loading line for the evaporation gas compressed by the compressor to be mixed with the LNG to be liquefied. [Reference numerals] (AA) Bunkering ship;(BB) Additional engine, LNG consuming device;(CC,DD) Heating medium;(EE) Main engine
Abstract translation: 本发明涉及一种LNG燃料船（LFS）的加油系统，更具体地说，涉及使用LFS设施来处理在作为燃料的LNG在LFS的燃料箱中产生的蒸发气体的LFS的加油系统 不将蒸发气体转移到加油船; 促进液化天然气加油工作的便利; 尽量减少LNG加油业务经营者的负担，不仅可以利用现有的加油船进行液化天然气加油工作，还可以停止对再液化系统，驱动发电机和蒸发气回流管路等设施的额外投资。 LFS的加油系统的本发明是燃料箱中的系统加油LNG，其包括将LFS的燃料箱中的蒸发气体负载的蒸发气体装载线; 蒸发气体装载线; 蒸发排出管线，其排出从燃料箱产生的蒸发气体; 安装在蒸发气体排放管路上的压缩机; 以及安装在用于由压缩机压缩以与待液化的LNG混合的蒸发气体的LNG装载线上的混合器。 （附图标记）（AA）加油船;（BB）附加发动机，LNG消耗装置;（CC，DD）加热介质;（EE）主机
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公开(公告)号：KR101326091B1
公开(公告)日：2013-11-06
申请号：KR1020110128376
申请日：2011-12-02
Applicant: 대우조선해양 주식회사
Inventor： 김남수
Abstract: LNG 증발가스의 재액화 장치 및 방법이 개시된다. 본 발명의 LNG 증발가스의 재액화 장치는, 액화천연가스(LNG)가 저장되는 저장탱크; 저장탱크에서 발생되어 배출되는 증발가스를 압축시키는 압축기; 저장탱크에서 압축기로 공급되는 증발가스와 압축기를 통해 압축된 후 배출되는 증발가스를 상호 열교환시켜 압축기를 통해 배출되는 증발가스를 냉각시키는 열교환유닛; 및 열교환유닛에서 배출되는 증발가스와 저장탱크에서 공급되는 액화천연가스를 상호 혼합하여 증발가스를 액화시키는 믹싱유닛을 포함한다.
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公开(公告)号：KR1020120045503A
公开(公告)日：2012-05-09
申请号：KR1020100107086
申请日：2010-10-29
Applicant: 대우조선해양 주식회사
Abstract: PURPOSE: An apparatus and a method for treating boil-off gas are provided to prevent environmental pollution and easily compensating pressure of a LNG storage tank by minimizing discharge of boil-off gas. CONSTITUTION: An apparatus for treating boil-off gas comprises a compressor(11) and a storage tank(12). The compressor is installed in a boil-off gas discharge line extended from a liquefied fuel tank and compresses boil-off gas. The storage tank is installed in downstream side of the compressor and stores the boil-off gas compressed by the compressor. The boil-off gas compressed by a boil-off gas feeding line in the storage tank is used as fuel of the ship.
Abstract translation: 目的：提供一种用于处理蒸发气体的装置和方法，以通过最大限度地排放蒸发气体来防止环境污染并容易地补偿LNG储罐的压力。 构成：用于处理蒸发气体的装置包括压缩机（11）和储存罐（12）。 压缩机安装在从液化燃料箱延伸的蒸发排气管道中，并压缩蒸发气体。 储罐安装在压缩机的下游侧，并储存由压缩机压缩的蒸发气体。 用作储存罐中的蒸发气体供给管线压缩的蒸发气体用作船舶的燃料。
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公开(公告)号：KR101049229B1
公开(公告)日：2011-07-14
申请号：KR1020080103550
申请日：2008-10-22
Applicant: 대우조선해양 주식회사
CPC classification number: Y02T10/32
Abstract: 본 발명은 LNG 운반선의 연료가스 공급 장치 및 방법에 관한 것으로, 발전용 DFDE 엔진으로 연료가스를 공급하기 위해 별도의 압축기와 기타 열교환 장비를 사용하지 않고 LNG 운반선에 선박의 추진을 위해 기존에 설치된 구성요소들을 이용할 수 있도록 구성된 LNG 운반선의 연료가스 공급 장치 및 방법을 제공하는 것을 그 목적으로 한다.
이를 위해, 본 발명은 LNG 운반선의 연료가스 공급 장치는, LNG 저장탱크에 LNG를 적재하여 운반하는 LNG 운반선에서 선박추진용 엔진과 발전용 엔진에 연료가스를 공급하는 장치로서, 상기 LNG 저장탱크 내의 하부로부터 상기 선박추진용 엔진까지 연결된 추진용 연료가스 공급라인과, 상기 추진용 연료가스 공급라인의 도중에 설치된 고압 펌프와, 상기 고압 펌프의 후단의 상기 추진용 연료가스 공급라인에 설치된 고압 기화기와, 상기 고압 기화기의 후단의 상기 추진용 연료가스 공급라인의 도중에서 분기되어 상기 발전용 엔진까지 연결된 발전용 연료가스 공급라인과, 상기 발전용 연료가스 공급라인의 도중에 설치된 압력조절수단을 포함하는 구성으로 되어 있다.
LNG 저장탱크, 선박추진용 엔진, 발전용 엔진, 연료가스, 압력조절수단-
公开(公告)号：KR1020110042911A
公开(公告)日：2011-04-27
申请号：KR1020090099781
申请日：2009-10-20
Applicant: 대우조선해양 주식회사
CPC classification number: Y02T10/32 , Y02T10/36 , F02M21/0245 , F02D19/022 , F02M21/0239 , F02M21/0287 , F02M31/20
Abstract: PURPOSE: A fuel gas supply system is provided to ensure a simplified configuration and operation because a compression unit is composed of only a compressor without a preheater or precooler. CONSTITUTION: A fuel gas supply system comprises a compression unit(20) which is installed in a fuel gas supply line which is connected from the top of an LNG tank to a high-pressure gas injection engine and compresses the boil-off gas generated in the LNG tank to the pressure required by the high-pressure gas injection engine. The compression unit comprises an ultralow temperature compressor(21) and a non-ultralow temperature compressor(22) that are respectively arranged in the front and rear sides thereof. The boil-off gas generated in the LNG tank is drawn into the ultralow temperature compressor to be compressed first and into the non-ultralow temperature compressor to be compressed secondly.
Abstract translation: 目的：提供一种燃气供应系统，以确保简化配置和操作，因为压缩单元仅由不带预热器或预冷器的压缩机组成。 构成：燃料气体供给系统包括压缩单元（20），该压缩单元（20）安装在从LNG罐的顶部连接到高压气体注入发动机的燃料气体供应管线中，并且压缩所产生的蒸发气体 LNG罐达到高压气体喷射发动机所需的压力。 压缩单元包括分别布置在其前侧和后侧的超低温压缩机（21）和非超低温压缩机（22）。 在LNG罐中产生的蒸发气体被抽吸到超低温压缩机中，首先被压缩并进入非超低温压缩机以进行二次压缩。
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