公开(公告)号：KR100834271B1

公开(公告)日：2008-05-30

申请号：KR1020070044710

申请日：2007-05-08

Applicant: 대우조선해양 주식회사

Inventor： 권순빈 ,  김남수 ,  이성주 ,  안영주

IPC: F17C13/00

Abstract: A system and method for controlling a pressure of an LNG cargo tank are provided to effectively control the pressure of the LNG cargo tank depending on requirements of an evaporation gas using apparatus. A system controlling a pressure of an LNG cargo tank includes an LNG cargo tank(1), and an evaporation gas using apparatus(2). An evaporation gas generated in the LNG cargo tank is conveyed into the evaporation gas using apparatus to control the pressure of the LNG cargo tank. The evaporation gas using apparatus includes a boiler, an engine, and a gas combustion device. The pressure control system is installed in the middle of an evaporation gas flow line(L1). A blower(3) is alternately installed to be in communication with the evaporation gas flow line.

Abstract translation: 提供了用于控制LNG货舱的压力的系统和方法，以根据蒸发气体使用装置的要求有效地控制LNG货舱的压力。 控制LNG货舱压力的系统包括LNG货舱（1）和蒸发气体使用装置（2）。 使用装置将在LNG货舱中产生的蒸发气体输送到蒸发气体中，以控制LNG货舱的压力。 蒸发气体使用装置包括锅炉，发动机和气体燃烧装置。 压力控制系统安装在蒸发气体流动管线（L1）的中间。 交替地安装鼓风机（3）以与蒸发气体流动管线连通。

公开(公告)号：KR100681557B1

公开(公告)日：2007-02-09

申请号：KR1020050116189

申请日：2005-12-01

Applicant: 대우조선해양 주식회사

Inventor： 권순빈 ,  김남수 ,  김병열 ,  안영주

IPC: B63H21/16

Abstract: A boil-off gas reliquefaction treatment system of a liquefied natural gas carrier is provided to add a process of selectively separating nitrogen contained in boil-off gas to reduce design capability of a reliquefaction process. A boil-off gas reliquefaction treatment system of a liquefied natural gas carrier includes an LNG tank(1), an LD compressor(2), a reliquefaction apparatus(3), and a nitrogen removal apparatus(4). The LNG tank is connected to the LD compressor to perform reliquefaction treatment of boil-off gas. The reliquefaction apparatus is directly connected to the LD compressor. The nitrogen removal apparatus selectively removes nitrogen of boil-off gas of the LNG tank generated by an external heat source. The nitrogen removal apparatus is disposed between the LD compressor and the reliquefaction apparatus to reduce design capability of a reliquefaction process.

Abstract translation: 提供液化天然气载体的蒸发气体再液化处理系统以增加选择性地分离蒸发气体中含有的氮的过程，以降低再液化过程的设计能力。 液化天然气运输船的蒸发气体再液化处理系统包括LNG罐（1），LD压缩机（2），再液化装置（3）和除氮装置（4）。 LNG罐与LD压缩机连接，对蒸发气体进行再液化处理。 再液化装置直接连接到LD压缩机。 氮去除装置选择性地去除由外部热源产生的LNG罐的蒸发气体的氮。 氮去除装置设置在LD压缩机和再液化装置之间以降低再液化过程的设计能力。

公开(公告)号：KR100681544B1

公开(公告)日：2007-02-09

申请号：KR1020050100567

申请日：2005-10-25

Applicant: 대우조선해양 주식회사

Inventor： 권순빈 ,  김남수 ,  안영주

IPC: B63H21/16

Abstract: A vaporizer of a cargo system for an LNG ship is provided to separately install an evaporator and a forced evaporator in a single shell and selectively use the evaporator and the forced evaporator depending on necessity. A vaporizer of a cargo system for an LNG ship includes a first partition wall(1), a second partition wall(5), a shell(8), first and second evaporation tubes(9,10), first and second supply valves(11,12), first and second discharge valves(13,14), and an equalizing valve(15). The first partition wall divides the shall into first, second and third chambers(2,3,4). The first and second chambers are divided by the second partition wall into an evaporation chamber(6) and a forced evaporation chamber(7) of the shell. The first and second evaporation tubes are in communication with the evaporation chamber and the forced evaporation chamber. The first and second supply valves are installed at the evaporation chamber and the forced evaporation chamber to supply the LNG. The first and second discharge valves are installed at the evaporation chamber and the forced evaporation chamber to discharge the liquefied LNG. The equalizing valve is installed at the evaporation chamber and the forced evaporation chamber to make the pressure thereof uniform.

Abstract translation: 提供LNG船货物系统的蒸发器，以将蒸发器和强制蒸发器分开安装在单个壳体中，并根据需要选择性地使用蒸发器和强制蒸发器。 （1），第二隔壁（5），壳体（8），第一和第二蒸发管（9,10），第一和第二供应阀（1）和第二供应阀 11,12），第一和第二排出阀（13,14）以及平衡阀（15）。 第一分隔壁将该分隔件分成第一，第二和第三腔室（2,3,4）。 第一和第二室被第二分隔壁分成壳体的蒸发室（6）和强制蒸发室（7）。 第一和第二蒸发管与蒸发室和强制蒸发室连通。 第一和第二供应阀安装在蒸发室和强制蒸发室以供应LNG。 第一和第二排放阀安装在蒸发室和强制蒸发室中以排出液化的LNG。 平衡阀安装在蒸发室和强制蒸发室上，使其压力均匀。

公开(公告)号：KR100888339B1

公开(公告)日：2009-03-10

申请号：KR1020070074538

申请日：2007-07-25

Applicant: 대우조선해양 주식회사

Inventor： 박혁만 ,  김남수 ,  김병열 ,  안영주

IPC: F17C7/00 ,  B63B25/08

Abstract: 해상구조물의 기화기에서 LNG의 재기화에 이용된 후 냉각된 유체를 상기 해상구조물 내 냉각시스템의 냉각 열원으로 이용하되, 상기 유체 내에 NG가 포함된 경우, 상기 유체가 상기 냉각시스템으로 흐르는 것을 제한하는 것을 특징으로 하는 해상구조물에서 LNG의 재기화 이용된 유체의 처리방법이 개시된다. 상기 처리방법은, 상기 기화기와 상기 냉각시스템 사이에서 상기 유체 내의 NG를 검출하는 단계; 및 상기 검출하는 단계에서 상기 NG가 검출된 경우, 상기 유체를 상기 해상구조물 외부 또는 상기 해상구조물 내의 유체 저장소로 바이패스시키는 단계를 포함할 수 있다.
해상구조물, 기화기, LNG, NG, 유체, 냉각시스템, 검출센서, 바이패스, 밸브

公开(公告)号：KR100681545B1

公开(公告)日：2007-02-09

申请号：KR1020050100569

申请日：2005-10-25

Applicant: 대우조선해양 주식회사

Inventor： 권순빈 ,  김남수 ,  안영주

IPC: B63H21/16

Abstract: A vaporizer of a cargo system for an LNG ship is provided to constitute an evaporator and a forced evaporator to enable to selectively use the evaporator and the forced evaporator to reduce manufacturing cost of the cargo system. A vaporizer of a cargo system for an LNG ship includes a first partition wall(1), a second partition wall(5), a shell(8), first and second evaporation tubes(12,13), first and second supply valves(16,17), first and second discharge valves(18,19), and an equalizing valve(20). The first partition wall divides the shall into first, second and third chambers(2,3,4). The first and second chambers are divided by the second partition wall into an evaporation chamber(6) and a forced evaporation chamber(7) of the shell. The first and second supply valves are installed to supply the LNG into a suction space(9). The first and second discharge valves are connected to a discharge space(10) and installed to discharge the liquefied LNG. The equalizing valve is installed to make pressure in the discharge space uniform.

Abstract translation: 提供用于LNG船的货物系统的蒸发器以构成蒸发器和强制蒸发器，以使得能够选择性地使用蒸发器和强制蒸发器来降低货物系统的制造成本。 用于LNG船的货物系统的蒸发器包括第一隔壁（1），第二隔壁（5），壳体（8），第一和第二蒸发管（12,13），第一和第二供应阀（ 第一和第二排放阀18,19以及平衡阀20。 第一分隔壁将该分隔件分成第一，第二和第三腔室（2,3,4）。 第一和第二室被第二分隔壁分成壳体的蒸发室（6）和强制蒸发室（7）。 第一和第二供应阀安装成将LNG供应到吸入空间（9）中。 第一和第二排放阀连接到排放空间（10）并且被安装以排放液化的LNG。 均压阀的安装使排放空间内的压力均匀。

公开(公告)号：KR1020090011192A

公开(公告)日：2009-02-02

申请号：KR1020070074538

申请日：2007-07-25

Applicant: 대우조선해양 주식회사

Inventor： 박혁만 ,  김남수 ,  김병열 ,  안영주

IPC: F17C7/00 ,  B63B25/08

Abstract: A method for processing fluid used in LNG regasification on a marine structure is provided to prevent danger of fire and enhance energy efficiency by preventing a flow of cooling fluid, NG or LNG. A method for processing fluid used in LNG regasification on a marine structure comprises the following steps of: detecting NG included between a vaporizer and a cooling system in the fluid(S102); detouring the fluid to a flow reservoir in the marine structure outside or the marine structure(bypass) in case NG is detected; and limiting the flow of the fluid into the cooling system in case NG is included in the fluid.

Abstract translation: 提供了用于处理在船用结构中的LNG再气化中使用的流体的方法，以通过防止冷却流体NG或LNG的流动来防止火灾危险并提高能量效率。 一种用于处理用于船用结构的LNG再气化的流体的方法，包括以下步骤：检测蒸发器和流体中的冷却系统之间的NG（S102）; 在检测到NG的情况下，将流体迂回到外部海洋结构中的流体储存器或海洋结构（旁路）; 并且在流体中包含NG的情况下限制流体进入冷却系统的流动。

公开(公告)号：KR100878976B1

公开(公告)日：2009-01-19

申请号：KR1020070047178

申请日：2007-05-15

Applicant: 대우조선해양 주식회사

Inventor： 박혁만 ,  김병열 ,  안영주

IPC: B63J2/12

Abstract: 본 발명은 설치 공간을 많이 차지하는 펌프 등의 장치 없이도 벤추리 효과를 이용하여 미스트 세퍼레이터의 응축액을 효율적으로 저장 탱크로 순환시킬 수 있는 응축액 순환장치 및 순환방법을 제공하고자 하는 것으로서, 본 발명에 따르면, 저장 탱크 내에 수용되어 있는 LNG를 토출하는 펌프와, 토출된 LNG를 강제로 증발시키는 증발기와, 기화된 천연가스만을 압축기로 공급하기 위해 설치된 미스트 세퍼레이터를 구비한 LNG 수송선에 설치되는 응축액 순환장치로서, 상기 미스트 세퍼레이터 내의 응축액을 벤추리 효과를 이용하는 벤추리 장치에 의해 상기 저장 탱크로 순환시키는 것을 특징으로 하는 벤추리 효과를 이용한 응축액 순환장치가 제공된다.
벤추리, LNG, 저장 탱크, 미스트 세퍼레이터, 응축액

公开(公告)号：KR1020080101020A

公开(公告)日：2008-11-21

申请号：KR1020070047178

申请日：2007-05-15

Applicant: 대우조선해양 주식회사

Inventor： 박혁만 ,  김병열 ,  안영주

IPC: B63J2/12

CPC classification number: B63J3/00 ,  B01L2400/0463

Abstract: A condensed liquid circulator and a circulation method using venturi effect is provided to circulate the condensed liquid of the mist separator to a storage tank efficiently by using the venturi effect without an apparatus such as a pump. A pump(2) discharges LNG included in a storage tank(1). An evaporator(5) compulsorily evaporates discharged LNG. A mist separator(9) is installed in order to supply the vaporized natural gas to the compressor. The condensed liquid inside the mist separator is circulated to the storage tank efficiently by using the venturi effect. The ventury apparatus is one of a venturi nozzle(25), an eductor and an ejector.

Abstract translation: 提供了一种使用文丘里效应的冷凝液体循环器和循环方法，以便在没有诸如泵的装置的情况下，通过使用文丘里效应将雾化分离器的冷凝液体有效地循环到储罐。 泵（2）排出包含在储罐（1）中的LNG。 蒸发器（5）强制蒸发排出的LNG。 安装雾气分离器（9）以将蒸发的天然气供应到压缩机。 雾气分离器内的冷凝液通过文丘里效应有效地循环到储罐中。 文丘里喷嘴（25），喷射器和喷射器之一。