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    • 61. 发明授权
    • 밀봉벽 연결구조 및 그 연결방법
    • 障碍物连接结构及其方法
    • KR100667501B1
    • 2007-01-10
    • KR1020050062440
    • 2005-07-11
    • 한국가스공사
    • 양영명홍성호윤인수양영철서흥석김지훈오병택김영균
    • B65D90/08B65D90/02
    • A barrier connection structure and a method thereof are provided to increase safety and airtightness by coupling secondary barriers more firmly, and reduce construction period of the tank. In the barrier connection structure of a storage tank of a liquefied natural gas, a resin material(133a) is coated on the upper and lower surfaces of each barrier, and first and second connection jigs(142,143) and a coupling member are included. The first and second connection jigs(142,143) are coupled to contact the upper and lower parts of the end portions of adjacent barriers. Uneven portions(142a,143a) are formed on the surfaces of the first and second connection jigs(142,143). The coupling member is installed in the center of the first and second connection jigs and compresses and fixes the first or second connection jig.
    • 提供了一种阻挡连接结构及其方法,通过更加牢固地连接二次屏障来增加安全性和气密性,并且减少了罐的施工周期。 在液化天然气的储罐的阻隔连接结构中,树脂材料(133a)涂覆在每个阻挡层的上表面和下表面上,并且包括第一和第二连接夹具(142,143)和联接构件。 第一连接夹具(142,143)与第二连接夹具(142,143)联接以接触相邻阻挡件的端部的上部和下部。 不均匀部分(142a,143a)形成在第一和第二连接夹具(142,143)的表面上。 联接构件安装在第一和第二连接夹具的中心,并且压缩并固定第一或第二连接夹具。
    • 62. 发明公开
    • 저수소계 피복 아크 용접봉
    • 低氢屏蔽金属电弧焊接电极
    • KR1020010058977A
    • 2001-07-06
    • KR1019990066355
    • 1999-12-30
    • 한국가스공사
    • 홍성호양영철정현호김형식장웅성김상록김영천
    • B23K35/00
    • PURPOSE: A shielded metal arc welding electrode is provided to increase the shock property of a welded portion and the workability at 196deg.C. CONSTITUTION: A flux is composed of: a metal carbonate of 20-35wt%; a metal fluoride of 10-20wt%; a metal oxide of 1-4wt%; and metal alloy elements. A carbonic barium of 2.5-4.5wt% is contained in the metal carbonate. A fluorite of 10-20wt%, Al2O3 of 2.0wt%, MgO of 1.0wt% and NaF of 1.0wt% are contained in the metal fluoride. Thereby, a crack in a crater portion at high temperature, red heat events according to a high electric resistance of a Ni alloy and a reduction of a welding workability are prevented.
    • 目的:提供屏蔽金属电弧焊电极,以增加焊接部分的冲击性能和196度的加工性能。 构成:助焊剂由以下组成:金属碳酸盐20-35wt%; 10-20重量%的金属氟化物; 1-4重量%的金属氧化物; 和金属合金元素。 在金属碳酸盐中含有2.5-4.5重量%的碳酸钡。 在金属氟化物中含有10-20重量%的萤石,2.0重量%的Al 2 O 3,1.0重量%的MgO和1.0重量%的NaF。 由此,能够防止高温下的火山口部的龟裂,Ni合金的高电阻的红色热的发生以及焊接加工性的降低。
    • 63. 发明授权
    • 초저온 보냉용 폴리우레탄 폼 및 그 제조방법
    • 用于低温冷藏的聚氨酯泡沫及其制造方法
    • KR100284981B1
    • 2001-03-15
    • KR1019980059474
    • 1998-12-28
    • 한국가스공사
    • 홍성호최건형이영범김우년임재인
    • C08J9/00
    • 본 발명은 초저온 하에서도 뛰어난 단열성과 기계적 특성을 나타내는 초저온 보냉용 폴리우레탄 폼 및 그 제조방법에 관한 것이다.
      본 발명의 초저온 보냉용 폴리우레탄 폼은 발포제, 반응촉매, 기포안정제 및 기타 첨가제의 존재하에서 폴리올 성분과 이소시아네이트 성분을 반응시키는 것에 의해 생성되는 폴리우레탄 폼으로서, 폴리올 성분은 (a) 솔비톨에 프로필렌 산화물과 에틸렌 산화물을 부가해서 얻어지는 폴리에테르 폴리올 20 - 60중량%, (b) 펜타에리트톨에 프로필렌 산화물과 에틸렌 산화물을 부가해서 얻어지는 폴리에테르 폴리올 10 - 40중량%, (c) 슈크로오스에 프로필렌 산화물과 에틸렌 산화물을 부가해서 얻어지는 폴리에테르 폴리올 10 - 20중량%, (d) 무수프탈산에 프로필렌 산화물과 에틸렌 산화물을 부가해서 얻어지는 폴리에스테르 폴리올 10 - 20 중량%, (e) 비스페놀 A에 프로필렌 산화물과 에틸렌 산화물을 부가해서 얻어지는 폴리에스테르 폴리올 10 - 20중량%를 포함하고 , 이소시아네이트 성분은 관능기수가 2.7 - 3.1인 고분자형 4,4'-디페닐메탄디이소시아네이트 이다.
      따라서, 본 발명은 초저온하에서도 경질 폴리우레탄 폼이 고유하게 가지는 우수한 단열성을 유지하면서 균열이 발생하지 않는등 우수한 기계적 강도를 나타낸다.
    • 65. 发明公开
    • 액화천연가스 저장탱크용 멤브레인
    • 液化天然气储罐膜
    • KR1020010010438A
    • 2001-02-15
    • KR1019990029326
    • 1999-07-20
    • 한국가스공사
    • 김청균김영균서흥석홍성호윤인수오병택
    • F17C1/00
    • PURPOSE: A membrane for an LNG(Liquefied Natural Gas) reservoir tank is provided to prevent the stress concentration of an anchor by accepting all of external load with a vertical corrugated portion. CONSTITUTION: A membrane for an LNG reservoir tank has T-shape with vertical/horizontal corrugated portions. The corrugated portions have three-layered corrugated portions(21,23/24,22). Plural side corrugated portions(22) are crossed each other, centering on a single closed space. The side corrugated portions are extended in specific length(E) more than the half length(D/2) of the closed space to prevent the stress concentration at the end thereof. Each central corrugated portion(23,24) is arranged with a specific gap. Then, an anchor hole(25) is formed on the gap to prevent the stress concentration on an anchor.
    • 目的:提供用于LNG(液化天然气)储罐的膜,以通过接受垂直波纹部分的所有外部负载来防止锚固件的应力集中。 构成:用于LNG储罐的隔膜具有垂直/水平波纹部分的T形。 波纹部分具有三层波纹状部分(21,23 / 24,22)。 多个侧面波纹部分(22)以单个封闭空间为中心彼此交叉。 侧面波纹状部分以比封闭空间半长度(D / 2)大的特定长度(E)延伸,以防止其末端的应力集中。 每个中心波纹部分(23,24)被布置成具有特定间隙。 然后,在间隙上形成锚定孔(25),以防止锚固件上的应力集中。
    • 66. 发明公开
    • 초저온 보냉용 폴리우레탄 폼 및 그 제조방법
    • 聚氨酯泡沫用于超低温下的冷绝缘及其生产方法
    • KR1020000043136A
    • 2000-07-15
    • KR1019980059474
    • 1998-12-28
    • 한국가스공사
    • 홍성호최건형이영범김우년임재인
    • C08J9/00
    • C08G18/4816C08G2101/0025C08G2101/0058C08J9/127C08J9/144C08J2203/10C08J2203/142C08J2203/182C08J2375/04F17C3/02F17C2203/0333F17C2223/0161
    • PURPOSE: A rigid polyurethane foam obtained by reacting a polyol component and an isocyanate composition and process for producing the same are provided which show excellent insulation and mechanical characteristics even at low temperatures. CONSTITUTION: A foam is prepared by reacting a polyol component and an isocyanate composition in the presence of a foaming agent, a reaction catalyst, a foam stabilizer, and other additives, wherein the polyol component contains (a) 20 to 60% by weight of polyether polyol obtained from the addition of propylene oxide and ethylene oxide to sorbitol, (b) 10 to 40% by weight of polyether polyol obtained from the addition of propylene oxide and ethylene oxide to pentaerythrol, (c) 10 to 20% by weight of polyether polyol obtained from the addition of propylene oxide and ethylene oxide to sucrose, (d) 10 to 20% by weight of polyester polyol obtained from the addition of propylene oxide and ethylene oxide to phthalic anhydride, (e) 10 to 20% by weight of polyester polyol obtained from the addition of propylene oxide and ethylene oxide to bisphenol A and the isocyanate component is a polymer-type 4,4'-diphenylmethanediisocyanate having a functional number of 2.7 to 3.1.
    • 目的:提供通过使多元醇成分和异氰酸酯组合物反应而得到的硬质聚氨酯泡沫体及其制造方法,即使在低温下也显示优异的绝缘性和机械特性。 构成:通过使多元醇组分和异氰酸酯组合物在发泡剂,反应催化剂,泡沫稳定剂和其它添加剂的存在下反应制备泡沫,其中多元醇组分含有(a)20至60重量% 由环氧丙烷和环氧乙烷加成到山梨糖醇中得到的聚醚多元醇,(b)10-40重量%的从环氧丙烷和环氧乙烷加成到季戊四醇得到的聚醚多元醇,(c)10-20重量% 从环氧丙烷和环氧乙烷添加到蔗糖得到的聚醚多元醇,(d)从环氧丙烷和环氧乙烷加成到邻苯二甲酸酐得到的聚酯多元醇的10〜20重量%,(e)10〜20重量% 由将环氧丙烷和环氧乙烷加成到双酚A得到的聚酯多元醇,异氰酸酯成分是功能数为2.7〜3.1的聚合物型4,4'-二苯基甲烷二异氰酸酯。