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    • 33. 发明公开
    • LNG CARRIER
    • FLÜSSIGERDGASTRÄGER
    • EP2743171A1
    • 2014-06-18
    • EP12823476.2
    • 2012-08-13
    • Morimoto, Nobuyoshi
    • Morimoto, Nobuyoshi
    • B63B25/16B63B3/20B63B11/02B63B11/04B63B35/44B65D88/08B65D88/12B63B9/04
    • B63B25/16B63B3/20B63B2241/10F17C13/082F17C2260/016F17C2270/0105
    • Provided is a LNG storage tank of a membrane type mounted on a LNG-FPSO or a LNG carrier, wherein volumetric efficiency is high and sloshing does not easily occur at the time of heavy weather.
      In order to solve this problem, a membrane-type tank 16 is composed of a main tank 16a under a deck and a box-shaped head tank 16b on the deck. These main and head tanks communicate with each other via a hole 17 opened in the deck to form one tank. The main tank 16a is formed by forming a heat insulation layer 19 on inner sides of a double bottom 18 and left and right longitudinal bulkheads 15 and further by liquid-tightly covering the top by a membrane 20 of Invar or the like. Similarly, the head tank 16b also has a heat insulation layer and a membrane provided on its inner surface.
    • 提供了一种安装在LNG-FPSO或LNG载体上的膜式LNG储罐,其中容积效率高,并且在恶劣天气时不容易发生晃动。 为了解决这个问题,膜式罐16由甲板下方的主油箱16a和甲板上的箱形头箱16b构成。 这些主缸和水箱通过在甲板上打开的孔17相互连通,形成一个油箱。 主罐16a通过在双层底部18和左右纵向舱壁15的内侧上形成隔热层19,并且还通过由Invar等的膜20液密地覆盖顶部而形成。 类似地,头箱16b还具有隔热层和设置在其内表面上的膜。