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公开(公告)号:KR1020100123288A
公开(公告)日:2010-11-24
申请号:KR1020090042433
申请日:2009-05-15
Applicant: 한국과학기술원
Abstract: PURPOSE: A method of treating surface of workpiece using microwave, which minimizes damage to a workpiece, is provided to guide small changes on the surface of a workpiece by generating heat on the cross section of the workpiece. CONSTITUTION: A workpiece(30) is prepared. A target(120) having electric conductance is offered to the surface(32) of the workpiece. A microwave is emitted to the target. The target is made of metal and carbon. The heat and spark are generated from the target by microwave in order to from minute groove on the surface of the workpiece.
Abstract translation: 目的:通过在工件的横截面上产生热量来提供使用微波处理工件表面的方法,其最小化对工件的损伤,以引导工件表面上的小变化。 构成:准备工件(30)。 具有导电性的目标(120)被提供给工件的表面(32)。 向目标发射微波。 目标是由金属和碳制成。 通过微波从目标产生热和火花,以便从工件表面上的微小凹槽。
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公开(公告)号:KR1020100083523A
公开(公告)日:2010-07-22
申请号:KR1020090002942
申请日:2009-01-14
Applicant: 한국과학기술원
Abstract: PURPOSE: A level difference adjusting structure for a heat-insulating panel and a cryogenic liquid storage tank having the same are provided to facilitate the level difference adjustment of a heat-insulating panel by easily transforming the level difference adjusting structure and restoring the transformed level difference adjusting structure according to compressive force. CONSTITUTION: A level difference adjusting structure for a heat-insulating panel comprises a support member(31) and a support plate(32). The support member is combined with a tank wall(22). The support plate is coupled with the support member and supports the heat-insulating panel. A cryogenic liquid storage tank comprises a tank wall, a heat-insulating panel, a fixing member(27), and a support plate. The heat-insulating panel is combined with the inner surface of the tank wall. The fixing member is installed in the tank wall to fix the heat-insulating panel on the tank wall.
Abstract translation: 目的:提供一种用于隔热面板和具有该隔热面板的低温液体储罐的液位差调节结构,以通过容易地转换液位差调节结构并恢复变换的水平差来促进隔热面板的液位差调节 根据压缩力调整结构。 构成:隔热板的电平差调整结构包括支撑构件(31)和支撑板(32)。 支撑构件与罐壁(22)组合。 支撑板与支撑构件连接并支撑绝热面板。 低温液体储罐包括罐壁,绝热板,固定构件(27)和支撑板。 绝热板与罐壁的内表面结合。 固定构件安装在罐壁中,以将绝热板固定在罐壁上。
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公开(公告)号:KR100919664B1
公开(公告)日:2009-09-30
申请号:KR1020070133736
申请日:2007-12-18
Applicant: 한국과학기술원
Abstract: 본 발명은 전자기파에 의하여 고분자수지를 발포성형하는 전자기파를 이용한 발포성형방법을 개시한다. 본 발명은 액상의 고분자수지, 유체와 경화제를 혼합하면서 액상의 고분자수지의 온도 상승이 방지되도록 유체와 경화제의 온도를 액상의 고분자수지의 온도보다 낮게 냉각하여 다수의 기공들을 갖는 고분자수지 혼합물을 제조하는 단계와, 고분자수지 혼합물을 성형품형상유지수단의 빈 공간에 공급하는 단계와, 성형품형상유지수단의 빈 공간에 공급되어 있는 고분자수지 혼합물에 전자기파를 가하여 발포성형품으로 발포성형하는 단계로 구성된다. 본 발명에 의하면, 전자기파에 의하여 고분자수지를 발포성형하여 저밀도의 발포성형품을 높은 생산성과 저렴한 비용으로 제조할 수 있다. 또한, 발포제 대신에 유체를 사용하여 발포성형하고, 발포성형품의 내부로부터 액체, 기체 상태의 물질을 증발시켜 제거하여 단열성과 내충격성을 향상시킬 수 있는 효과가 있다.
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公开(公告)号:KR1020090022942A
公开(公告)日:2009-03-04
申请号:KR1020070088657
申请日:2007-08-31
Applicant: 한국과학기술원
Abstract: A cargo containment system for a LNG(liquefied natural gas) transport ship is provided to reduce thermal stress caused by the LNG and prevent a barrier from being damaged by flow of the LNG. A cargo containment system for a LNG(liquefied natural gas) transport ship comprises the following units. A first barrier layer(10) wherein a LNG is loaded is linked with a plurality of metal plates(12). A first insulation layer(20) forms a first insulation material fixed on an external of the first barrier layer. A second barrier layer(30) fixed on an external of the first insulation layer has a curved part.
Abstract translation: 提供用于LNG(液化天然气)运输船的货物收容系统以减少由LNG引起的热应力,并防止屏障被LNG的流动损坏。 LNG(液化天然气)运输船的货物收容系统包括以下单元。 其中装载LNG的第一阻挡层(10)与多个金属板(12)连接。 第一绝缘层(20)形成固定在第一阻挡层的外部的第一绝缘材料。 固定在第一绝缘层的外部的第二阻挡层(30)具有弯曲部分。
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公开(公告)号:KR1020080056124A
公开(公告)日:2008-06-20
申请号:KR1020080048657
申请日:2008-05-26
Applicant: 한국과학기술원
Abstract: A method for detecting leakage of an insulated structure is provided to measure leak point and amount of the insulated structure exactly and easily by causing reaction between first and second reaction materials provided in the insulated structure. A method for detecting leakage of an insulated structure having a leakage path, which comprises the steps of: providing a first reaction material having fluidity in the insulated structure(S10), providing a second reaction material reacting with the first reaction material to the outside of the insulated structure(S12), applying pressure to the reaction material so as to allow the first reaction material to leak out through the leakage path(S14), causing reaction between the first reaction material leaking out of the leakage path and the second reaction material(S16), and measuring electrical conductivities of the first and second reaction materials with an electrical conductivity sensor at the leak point where the first and second reaction materials react with each other.
Abstract translation: 提供了一种用于检测绝缘结构的泄漏的方法,通过引起设置在绝缘结构中的第一和第二反应材料之间的反应,准确且容易地测量绝缘结构的泄漏点和量。 一种用于检测具有泄漏路径的绝缘结构的泄漏的方法,包括以下步骤:提供在绝缘结构中具有流动性的第一反应材料(S10),提供与第一反应材料反应的第二反应材料到 所述绝缘结构(S12)向所述反应材料施加压力以允许所述第一反应材料通过所述泄漏路径泄漏(S14),引起从所述泄漏路径泄漏的所述第一反应材料与所述第二反应材料之间的反应 (S16),并且在第一和第二反应材料彼此反应的泄漏点处测量第一和第二反应材料与电导率传感器的电导率。
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公开(公告)号:KR101441037B1
公开(公告)日:2014-09-17
申请号:KR1020130056565
申请日:2013-05-20
Applicant: 한국과학기술원
CPC classification number: B29C44/1266 , B29C44/38 , B29D99/001 , B29K2075/00 , B29K2995/0015
Abstract: The present invention discloses a method for manufacturing an insulation board used in an extremely low temperature liquid storage system for storing and transferring extremely low temperature liquid such as liquefied natural gas. A method for manufacturing the insulation board of the present invention comprises the steps of: preparing a square box-shaped mold with a cavity having an opened end and disposing a panel on a bottom of the cavity; attaching a sheet material having releasing ability on an inner surface of the cavity, and installing a barrier on the opened end; installing a cover plate for covering the opened end on the barrier and injecting an expanding material between the panel and the barrier to provide insulation foam; making a filling ratio of free foam density to be 0.3 or more with respect to a target density of the insulation foam; expanding the insulation foam, and then post-curing the insulation foam such that the panel, the sheet material, the barrier, and the insulation are cured at the same time; and inserting a reinforcement fiber into the cavity or mixing the expanding material with the reinforcement fiber so as to be inserted into the insulation foam. According to the present invention, the expanding material is injected into the mold to manufacture the insulation board, thereby improving physical characteristics of the insulation board; and the dimensions of the insulation board are correctly manufactured, thereby improving quality. Also, the insulation foam, the barrier, the panel, and a plane material are cured at the same time to simplify a manufacturing process, thereby improve productivity, preventing changes in physical characteristics, and securing a long life cycle.
Abstract translation: 本发明公开了一种用于储存和转移极低温液体如液化天然气的极低温液体储存系统中使用的绝缘板的方法。 本发明的制造绝缘板的方法包括以下步骤:制备具有开口端的空腔的方形盒状模具,并在所述空腔的底部设置面板; 将具有释放能力的片材附着到所述空腔的内表面上,并且在所述开口端安装屏障; 安装用于覆盖屏障上的开口端的盖板,并在面板和屏障之间注入膨胀材料以提供绝缘泡沫; 相对于绝缘泡沫的目标密度使游离泡沫密度的填充率为0.3以上; 膨胀绝缘泡沫,然后对绝缘泡沫进行后固化,使得面板,片材,隔离物和绝缘体同时固化; 并将增强纤维插入空腔中或将膨胀材料与增强纤维混合以便插入绝缘泡沫体中。 根据本发明,将膨胀材料注入到模具中以制造绝缘板,从而改善绝缘板的物理特性; 并且正确地制造绝缘板的尺寸,从而提高质量。 此外,绝缘泡沫,屏障,面板和平面材料同时固化以简化制造过程,从而提高生产率,防止物理特性的变化并确保长的使用寿命。
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公开(公告)号:KR101415906B1
公开(公告)日:2014-07-09
申请号:KR1020130045651
申请日:2013-04-24
Applicant: 한국과학기술원
Abstract: Disclosed is a joining structure of a cargo hold for a liquefied natural gas (LNG) carrier to join secondary barriers. The cargo hold for an LNG carrier according to the present invention comprises multiple primary barriers; primary insulation layers mounted on the rear surface of the multiple primary barriers; multiple secondary barriers mounted on the rear surface of the primary insulation layers; and secondary insulation layers mounted on the rear surface of the multiple secondary barriers. The joining structure according to the present invention comprises a metal joint strip arranged to cover the interface of the secondary barriers; an adhesive layer formed between the surface of the multiple secondary barriers and the rear surface of the metal joint strip to join the rear surface of the metal joint strip on the surface of the secondary barriers; and welding portions formed by welding the multiple secondary barriers and the metal joint strip. The adhesive layer is formed of a thermosetting polymer adhesive layer separated from the welding portions at a predetermined interval and a thermoplastic polymer adhesive layer formed between the welding portions and the thermosetting polymer adhesive layer. The present invention can prevent peeling and cracks by reducing tensile stress and peel stress since the metal joint strip joined to the boundary of the secondary barriers is joined by the adhesion of an adhesive and welding; thereby improving reliability. Also, the present invention can improve joining quality since the adhesive layer has a uniform thickness.
Abstract translation: 公开了一种用于液化天然气(LNG)载体的货舱的连接结构,以连接二级屏障。 根据本发明的LNG运输船的货舱包括多个主要障碍物; 主绝缘层安装在多个主屏障的后表面上; 安装在主绝缘层的后表面上的多个次级屏障; 以及安装在多个次级屏障的后表面上的次级绝缘层。 根据本发明的接合结构包括布置成覆盖第二屏障的界面的金属接合条; 形成在所述多个次级屏障的表面和所述金属接合带的后表面之间的粘合剂层,以将所述金属接合带的所述后表面连接在所述次级屏障的表面上; 以及通过焊接多个次级屏障和金属接合带形成的焊接部分。 粘合剂层由以预定间隔与焊接部分分离的热固性聚合物粘合剂层和形成在焊接部分和热固性聚合物粘合剂层之间的热塑性聚合物粘合剂层形成。 本发明通过降低拉伸应力和剥离应力来防止剥离和裂纹,因为通过粘合剂的粘合和焊接将接合到二级阻挡层的边界的金属接合带接合; 从而提高可靠性。 另外,由于粘合剂层具有均匀的厚度,本发明可以提高接合质量。
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公开(公告)号:KR101393005B1
公开(公告)日:2014-05-12
申请号:KR1020120152448
申请日:2012-12-24
Applicant: 한국과학기술원
Abstract: Disclosed is a vibration isolation structure of a cargo hold for a liquefied natural gas (LNG) carrier capable of absorbing impact to damp vibration. The present invention comprises: a first barrier having one surface with which LNG is in contact, and multiple membranes on which multiple wrinkles are concavely formed to absorb the contraction and the expansion caused by thermal deformation; a first panel mounted on the other surface of the first barrier; and a first insulation layer having multiple first insulation foams arranged on the other surface of the first panel for insulation. A corrugated plate is mounted between the first barrier and the first panel. The corrugation plate comprises: multiple wrinkles formed by absorbing the impact applied through the first barrier to damp the vibration; and combined wrinkles formed on the surface to be fitted in the wrinkles of the membranes. The present invention can increase a vibration isolation performance by absorbing the impact applied to the first barrier using the corrugated plate mounted between the first barrier and the first panel to damp the vibration; thereby increasing the safety of a cargo hold for an LNG carrier. Also, the present invention can have the simple configuration of the corrugated plate and can conveniently construct the corrugated plate.
Abstract translation: 公开了一种用于液化天然气(LNG)载体的货舱的隔振结构,其能够吸收潮湿振动的冲击。 本发明包括:具有一个表面与LNG接触的第一屏障,以及多个膜,多个皱纹被凹入地形成以吸收由热变形引起的收缩和膨胀; 安装在所述第一屏障的另一表面上的第一面板; 以及具有多个第一绝缘泡沫的第一绝缘层,其布置在所述第一面板的另一表面上用于绝缘。 波纹板安装在第一屏障和第一面板之间。 波纹板包括:通过吸收通过第一屏障施加的冲击以阻尼振动而形成的多个皱纹; 并且在表面上形成的组合的皱纹被装配在膜的皱纹中。 本发明可以通过使用安装在第一屏障和第一面板之间的波纹板吸收施加到第一屏障的冲击来增加隔振性能,以减震; 从而增加了LNG运输船的货舱的安全性。 此外,本发明可以具有波纹板的简单结构,并且可以方便地构造波纹板。
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公开(公告)号:KR1020140046774A
公开(公告)日:2014-04-21
申请号:KR1020120112844
申请日:2012-10-11
Applicant: 한국과학기술원
CPC classification number: Y02E60/528 , H01M8/0228 , H01M8/0206 , H01M8/0213 , H01M8/188
Abstract: The present invention relates to a bipolar plate for a redox flow battery and a redox flow battery containing the same, more particularly, to a bipolar plate for a redox flow battery used in a redox flow battery comprising: a plurality of serially stacked battery cells and supplying a negative electrode electrolyte and a positive electrode electrolyte to the stacked battery cells in turn, wherein the battery cells are composed of a pair of electrode plates separated into a positive electrode plate and a negative electrode plate; a membrane interposed between the electrode plates; a bipolar plate spaced apart from the external side of the electrode. The bipolar plate comprises a double structure composed of a core unit made of metal or carbon fiber, and a graphite surface layer formed on the external side of the core unit. According to the present invention, provided is the bipolar plate for a redox flow battery with a dual structure of a core unit made of metal and the likes and a carbon surface layer on the external side of the core unit, so that the electrical characteristics are similar to those of the conventional bipolar plate; the shape thereof is easily processed; mechanical rigidity can be secured; the durability of the electrolyte is maintained; and manufacturing costs can be lowered.
Abstract translation: 本发明涉及一种用于氧化还原液流电池的双极板和含有该氧化还原电池的氧化还原液电池,更具体地说,涉及一种用于氧化还原液流电池的氧化还原电池用双极板,包括:多个串联堆叠的电池单元和 依次向堆叠的电池单元供给负极电解质和正极电解质,其中,电池单元由分隔成正极板和负极板的一对电极板构成; 介于电极板之间的膜; 与电极的外侧隔开的双极板。 双极板包括由金属或碳纤维制成的芯单元和形成在芯单元的外侧上的石墨表面层构成的双重结构。 根据本发明,提供了一种具有由金属制成的核心单元的双重结构的氧化还原液流电池的双极板和在核心单元的外侧上的碳表面层,从而电特性为 类似于常规双极板的那些; 其形状容易加工; 可以确保机械刚性; 维持电解液的耐久性; 并且可以降低制造成本。
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公开(公告)号:KR101367625B1
公开(公告)日:2014-02-28
申请号:KR1020120112842
申请日:2012-10-11
Applicant: 한국과학기술원
CPC classification number: Y02E60/528 , H01M8/18 , H01M8/02 , H01M8/24
Abstract: The present invention relates to a redox flow battery, more specifically to a redox flow battery which comprises the following: a pair of electrode plates including a positive electrode plate and a negative electrode plate which are combined to each frame; a membrane installed in between the electrode plates; directly laminated fuel cells formed of a separation membrane located on the outside of an electrode with a space; and negative electrode electrolyte and positive electrode electrolyte cross supplied to the laminated fuel cell. The redox flow forms a closed curve along the edge of the separation membrane and frames and membranes of the fuel cells, and the separation membrane and frames and membranes of the fuel cells are combined to each other using a coated adhesive. The redox flow battery reduces the usage of a gasket which decreases productivity and increasing volume, and secures sealing power for preventing the leakage of electrolyte for securing the capacity and the productivity of the redox flow battery at the same time.
Abstract translation: 本发明涉及一种氧化还原液流电池,更具体地涉及一种氧化还原液流电池,其包括:一对电极板,包括正极板和负极板,其组合在每个框架上; 安装在电极板之间的膜; 由位于具有空间的电极外部的分离膜形成的直接层压燃料电池; 负极电解质和正极电解质交叉供给层叠燃料电池。 氧化还原流沿着分离膜的边缘和燃料电池的框架和膜形成闭合曲线,并且使用涂覆的粘合剂将燃料电池的分离膜和框架和膜彼此组合。 氧化还原液流电池减少了垫圈的使用,其降低了生产率并增加了体积,并且确保了密封功率,以防止电解液泄漏,从而同时确保氧化还原液流电池的容量和生产率。
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