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公开(公告)号：KR101245643B1
公开(公告)日：2013-03-20
申请号：KR1020110071856
申请日：2011-07-20
Applicant: 대우조선해양 주식회사
CPC classification number: F02M21/0215 , F02M21/0224 , F02M21/0245 , F02M21/06 , Y02T10/32
Abstract: 본 발명은 연료가스를 고압가스 분사엔진에 원활하게 공급할 수 있도록 시스템의 구동 이전에 시스템에 포함된 각종 장비를 사전 냉각시키고 그 냉각 상태를 유지할 수 있는 고압가스 분사엔진용 연료가스 공급 시스템 및 공급 방법에 관한 것이다.
본 발명에 따르면, 연료로서의 LNG를 LNG 저장탱크로부터 고압가스 분사엔진까지 공급하기 위한 연료가스 공급 시스템을 활용하여 LNG를 고압가스 분사엔진에 공급하는 시스템 및 방법으로서, 상기 연료가스 공급 시스템에 포함되어 연료가스 공급시 LNG가 통과하는 장비들 중 적어도 하나의 장비를 액화질소를 사용하여 냉각시키고, LNG를 사용하여 상기 적어도 하나의 장비의 냉각 상태를 유지하는 것을 특징으로 하는 고압가스 분사엔진용 연료가스 공급 시스템 및 방법이 제공된다.-
公开(公告)号：KR1020130010033A
公开(公告)日：2013-01-24
申请号：KR1020130002794
申请日：2013-01-10
Applicant: 대우조선해양 주식회사
CPC classification number: F02M21/0215 , F02M21/0224 , F02M21/0245 , F02M21/06 , Y02T10/32 , F17D1/05 , F17C9/00 , F17D1/065
Abstract: PURPOSE: A pump connection structure of a natural gas supply system for offshore structures is provided to freely arrange a pump on an offshore structure by easily arranging the pump and a transfer pipe for supplying natural gas to the pump with a flexible hose. CONSTITUTION: A pump connection structure of a natural gas supply system for offshore structures comprises a transfer pipe, a pump, and a flexible hose. The transfer pipe is a path for transferring LNG from an LNG storage tank(101) to a high pressure gas jetting engine. The pump presses and discharges the LNG to make the LNG transfer through the transfer pipe. The flexible hose is arranged between the transfer pipe and the pump.
Abstract translation: 目的：提供海上结构天然气供应系统的泵连接结构，通过容易地设置泵和用柔性软管向天然气供应输送管，将海上结构的泵自由布置。 构成：用于海上结构的天然气供应系统的泵连接结构包括输送管，泵和柔性软管。 输送管是用于将LNG从LNG储罐（101）输送到高压气体喷射发动机的路径。 泵按压和排出LNG，使LNG通过传输管道传输。 柔性软管布置在输送管和泵之间。
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公开(公告)号：KR1020120125138A
公开(公告)日：2012-11-14
申请号：KR1020110071856
申请日：2011-07-20
Applicant: 대우조선해양 주식회사
CPC classification number: F02M21/0215 , F02M21/0224 , F02M21/0245 , F02M21/06 , Y02T10/32
Abstract: PURPOSE: A system and method for supplying fuel gas for a high pressure injection engine are provided to rapidly perform a cooling process using liquid nitrogen in a preliminary cooling process. CONSTITUTION: A method for supplying fuel gas for a high pressure injection engine supplies LNG to the high pressure gas injection engine from a LNG storage tank(101). One or more equipment that the LNG passes through is cooled by liquid nitrogen. The equipment is maintained in a cooling state by the LNG. The equipment is cooled in advance by supplying the liquid nitrogen before the LNG is supplied to the high pressure gas injection engine. The liquid nitrogen used for pre-cooling the equipment is vaporized and discharged.
Abstract translation: 目的：提供一种用于供给用于高压喷射发动机的燃料气体的系统和方法，以在初步冷却过程中使用液氮快速地进行冷却过程。 构成：用于为高压喷射发动机供应燃料气体的方法从LNG储罐（101）向高压气体喷射发动机供应LNG。 液化天然气通过的一个或多个设备由液氮冷却。 设备由LNG维持在冷却状态。 在LNG供应到高压气体喷射发动机之前，通过供给液氮来预先冷却设备。 用于预冷却设备的液氮被蒸发并排出。
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公开(公告)号：KR1020120125132A
公开(公告)日：2012-11-14
申请号：KR1020110064905
申请日：2011-06-30
Applicant: 대우조선해양 주식회사
CPC classification number: F02M21/0215 , F02M21/0224 , F02M21/0245 , F02M21/06 , Y02T10/32
Abstract: PURPOSE: A pump connection structure in a natural gas supply system for an offshore structure is provided to easily arrange transfer pipes and pumps so that the pumps are freely placed in a limited space in the offshore structure. CONSTITUTION: A pump connection structure in a natural gas supply system for an offshore structure comprises a transfer pipe, a pump, and a flexible hose. The transfer pipe forms a path for LNG from a LNG storage tank to a high pressure gas injection engine. The pump discharges the LNG by compressing in order that the LNG is transferred by the transfer pipe. The flexible hose is placed between the transfer pipe and the pump. The flexible hose is installed between the transfer pipe and the suction port of the pump. The transfer pipe is extended from the upper part of the pump.
Abstract translation: 目的：提供用于海上结构的天然气供应系统中的泵连接结构，以容易地布置输送管和泵，使得泵可以自由地放置在离岸结构中的有限空间中。 构成：用于海上结构的天然气供应系统中的泵连接结构包括输送管，泵和柔性软管。 输送管道形成LNG从LNG储罐到高压气体注入发动机的路径。 泵通过压缩将LNG排出，以便LNG由输送管转移。 柔性软管放置在输送管和泵之间。 柔性软管安装在输送管和泵的吸入口之间。 输送管从泵的上部延伸出来。
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公开(公告)号：KR1020120125129A
公开(公告)日：2012-11-14
申请号：KR1020110059482
申请日：2011-06-20
Applicant: 대우조선해양 주식회사
CPC classification number: Y02T10/32 , F02M21/0245 , B63H21/38 , F02M21/0221
Abstract: PURPOSE: A LNG carrying ship with a fuel gas supply system for a high pressure gas injection engine is provided to reduce evaporative gas so that the LNG is stably supplied to an engine. CONSTITUTION: A LNG carrying ship comprises a LNG storage tank(101), a high pressure injection engine, and a fuel gas supply system(S). The high pressure injection engine generates thrust using LNG in the storage tank. The fuel gas supply system supplies LNG from a LNG storage tank to the high pressure injection engine. The LNG supplied to the high pressure injection engine is discharged from the LNG storage tank in order to reduce evaporative gas. The LNG storage tank is placed near an engine room where the high pressure injection engine is installed.
Abstract translation: 目的：提供具有用于高压气体喷射发动机的燃料气体供应系统的LNG运输船以减少蒸发气体，使得LNG稳定地供应给发动机。 构成：LNG运输船包括LNG储罐（101），高压喷射发动机和燃气供应系统（S）。 高压喷射发动机使用LNG在储罐中产生推力。 燃气供应系统将LNG从LNG储罐提供给高压喷射发动机。 供应给高压喷射发动机的液化天然气LNG从LNG储罐排出，以减少蒸发气体。 LNG储罐放置在高压喷射发动机安装的发动机室附近。
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Patent Agency Ranking
公开(公告)号：KR1020120125124A
公开(公告)日：2012-11-14
申请号：KR1020110046437
申请日：2011-05-17
Applicant: 대우조선해양 주식회사
CPC classification number: Y02T10/32 , F02M21/0245 , F02D19/022 , F02M31/20 , F04D29/5833
Abstract: PURPOSE: A pump cooling device in a natural gas supply system is provide to cool the heat of lubricants generated when a reciprocal pump is operated over a long period of time. CONSTITUTION: A pump cooling device in a natural gas supply system is installed inside a marine structure. A heat exchange medium is supplied to a pump for cooling lubricants in the pump for compressing natural gas. The heat exchange medium is nitrogen gas generated by vaporizing liquid nitrogen. The heat exchange medium is heated by a heater before being supplied to the pump. The pump comprises a driving unit, a discharge unit, and a connection unit. The connection unit is placed between the discharge unit and the driving unit, and delivers the driving power to the discharge unit.
Abstract translation: 目的：天然气供应系统中的泵冷却装置用于冷却在往复泵长时间运行时产生的润滑剂的热量。 构成：天然气供应系统中的泵冷却装置安装在海洋结构内。 向泵中供给热交换介质，用于冷却泵中的润滑剂以压缩天然气。 热交换介质是通过蒸发液氮产生的氮气。 在供给到泵之前，热交换介质被加热器加热。 泵包括驱动单元，排出单元和连接单元。 连接单元被放置在排出单元和驱动单元之间，并将驱动力传送到排出单元。
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公开(公告)号：KR1020120125123A
公开(公告)日：2012-11-14
申请号：KR1020110046436
申请日：2011-05-17
Applicant: 대우조선해양 주식회사
CPC classification number: Y02T10/32 , F02M31/20 , F02M21/0287 , F04D29/5833
Abstract: PURPOSE: A pump cooling device in a natural gas supply system is provided to stably drive a reciprocal pump over a long period of time by installing a cooling unit. CONSTITUTION: A pump cooling device in a natural gas supply system is installed inside a marine structure. A pump cooling device in a natural gas supply system discharges lubricants in a pump(20) which is operated for compressing natural gas to the outside. The discharged lubricants return to the pump after being cooled by a cooling unit. The pump cooling device comprises a lubricant circulation line. The lubricant circulation line circulates the lubricants in the pump. The cooling unit is installed in the lubricant circulation line, and cools the lubricants by heat-exchanging with air.
Abstract translation: 目的：提供天然气供应系统中的泵冷却装置，通过安装冷却装置来长时间稳定地驱动往复泵。 构成：天然气供应系统中的泵冷却装置安装在海洋结构内。 天然气供给系统中的泵冷却装置将用于将天然气压缩到外部的泵（20）中的润滑剂排出。 排出的润滑剂在被冷却单元冷却后返回到泵。 泵冷却装置包括润滑剂循环管线。 润滑剂循环管线将润滑剂循环在泵中。 冷却单元安装在润滑剂循环管线中，并通过与空气进行热交换来冷却润滑剂。
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公开(公告)号：KR1020120125122A
公开(公告)日：2012-11-14
申请号：KR1020110046435
申请日：2011-05-17
Applicant: 대우조선해양 주식회사
CPC classification number: Y02T10/32 , F02M21/0245 , F02D19/0605 , F02M21/0224 , F02M21/0293 , F02M21/06 , F02M31/183
Abstract: PURPOSE: A system for supplying fuel gas for a high pressure gas injecting engine is provided to be effectively and conveniently operated without a large investment cost. CONSTITUTION: A system for supplying fuel gas for a high pressure gas injecting engine measures the changes in the loads on the high pressure gas injection engine by supplying high pressure gas from a buffer tank when the loads increase. The buffer tank holds fuel gas supplied from a vaporizer(5). The buffer tank is not insulated, and influenced by the temperature of the external environment. The buffer tank comprises a gas heater(16) to heat the fuel gas when the temperature of the fuel gas discharged from the buffer tank is lower than the desirable temperature.
Abstract translation: 目的：提供一种高压气体喷射发动机燃料气体供给系统，无需大量的投资成本便于操作。 构成：用于为高压气体喷射发动机供应燃料气体的系统通过在负载增加时从缓冲罐供给高压气体来测量高压气体注入发动机的负荷变化。 缓冲罐保持从蒸发器（5）供应的燃料气体。 缓冲罐不是绝缘的，受外部环境的温度影响。 缓冲罐包括气体加热器（16），当从缓冲罐排出的燃料气体的温度低于期望的温度时，加热燃料气体。
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公开(公告)号：KR1020120069294A
公开(公告)日：2012-06-28
申请号：KR1020100130787
申请日：2010-12-20
Applicant: 대우조선해양 주식회사
Abstract: PURPOSE: A pulse damper is provided to increase volume for absorbing pulsation and to improve space utilization by bending a pipe into a coil shape. CONSTITUTION: A pulse damper(100) comprises a bending part(110). The pulse damper is installed in a discharge port of a reciprocating pump used in liquid vaporizing at a room temperature. The bending part is formed by bending a pipe(111) connected to a piping of the discharge port and provides volume for absorbing pulsation of liquid transferred by the piping. The pulse damper comprises a support(120) for supporting the bending part. The bending part is bent to a coil shape.
Abstract translation: 目的：提供脉冲阻尼器，以增加吸收脉动的体积，并通过将管弯曲成线圈形状来提高空间利用率。 构成：脉冲阻尼器（100）包括弯曲部（110）。 脉冲阻尼器安装在室温下用于液体蒸发的往复泵的排出口中。 弯曲部通过弯曲连接到排出口的管道的管（111）而形成，并且提供用于吸收由管道传送的液体的脉动的体积。 脉冲阻尼器包括用于支撑弯曲部分的支撑件（120）。 弯曲部弯曲成线圈形状。
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公开(公告)号：KR102239831B1
公开(公告)日：2021-04-14
申请号：KR1020190112507
申请日：2019-09-11
Applicant: 대우조선해양 주식회사
IPC: B63H21/38 , B63B25/16 , B63H21/14 , F17C9/00 , F17C13/04 , F17C3/02 , F02M21/02 , F02M25/08 , F02M31/02
Abstract: 저압가스분사엔진을구비하는선박의연료공급시스템이개시된다. 본발명에따른선박의연료공급시스템은, LNG 저장탱크; LNG 저장탱크내에저장된 LNG를선박의추력을발생시키는메인엔진으로공급하는 LNG 공급라인; LNG 저장탱크에서발생하는증발가스를선내필요한전력을생산하는발전엔진으로공급하는 BOG 공급라인; LNG 저장탱크에저장된 LNG를가압하여 LNG 공급라인으로이송시키는피드펌프; LNG 공급라인상에설치되며, 피드펌프에의해가압된 LNG를기화시키는기화기; BOG 공급라인상에설치되며, BOG 공급라인을통해이송되는증발가스를발전엔진이요구하는온도로가열하는히터; 기화기의하류측 LNG 공급라인으로부터히터의하류측 BOG 라인으로연결되어, LNG 공급라인상에존재하는가스를 BOG 공급라인측으로전달하여압력을분산시키는제1 압력해소라인; 및제1 압력해소라인이연결되는지점의하류측 BOG 공급라인으로부터분기되어증기헤더(Vapour Header)로연결되어, BOG 공급라인상에존재하는가스를증기헤더로전달하여압력을해소하는제2 압력해소라인을포함한다.
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