PROBLEM TO BE SOLVED: To provide a liquefied gas retention tank that can prevent a degree of vacuum in a vacuum space from deteriorating over time.SOLUTION: A liquefied gas retention tank 2 has an inner tank 3 that stores liquefied gas, an outer tank 4 that secures a vacuum space 20 with the inner tank 3, and an emergency heat insulation layer 6 that covers the outside surface of the outer tank 4. In such a structure, the emergency heat insulation layer 6 is not disposed in the vacuum space 20, and therefore, a degree of vacuum in the vacuum space 20 can be prevented from deteriorating over time.SELECTED DRAWING: Figure 1

    【課題】真空空間の真空度が時間経過と共に劣化することを抑制することができる液化ガス保持タンクを提供する。【解決手段】液化ガス保持タンク2は、液化ガスを貯留する内槽3と、内槽3との間に真空空間20を確保する外槽4と、外槽4の外側面を覆う非常用断熱層6と、を備えている。この構成によれば、非常用断熱層6が真空空間20内に配置されていないので、真空空間20の真空度が時間経過と共に劣化することを抑制することができる。【選択図】図1


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    Title :

    LIQUEFIED GAS RETENTION TANK AND LIQUEFIED GAS CARRYING VESSEL


    Additional title:

    液化ガス保持タンクおよび液化ガス運搬船


    Contributors:

    Publication date :

    2017-10-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F17C Behälter zum Aufnehmen oder Speichern verdichteter, verflüssigter oder verfestigter Gase , VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B65D Behältnisse zur Lagerung oder zum Transport von Gegenständen oder Materialien [Container], z.B. Säcke, Beutel, Fässer, Flaschen, Dosen, Kästen, Büchsen, Schachteln, Packkörbe, Tonnen, Gläser, Flüssigkeitsbehälter, Trichtersilos, Transportbehälter , CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS



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