HEAT SHIELDING STRUCTURE OF LOW TEMPERATURE TANK AND HEAT SHIELDING CONSTRUCTION METHOD

PROBLEM TO BE SOLVED: To provide a heat shielding structure of a low temperature tank, which secures high heat shielding performance, by preventing the generation of a clearance in a joint part, by restraining the generation of convection in the joint part, even when increasing a thickness of a heat...

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Bibliographische Detailangaben
Hauptverfasser: KENMOTSU TAKAYA, KAMIOKA HIDEYASU, NAKAGAWA SHIGETOMO, IWASAKI HIDEKAZU, HOTTA JUNPEI, SHIJI TOSHIO, OKADO HIDEKI, SHINGO MASASHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a heat shielding structure of a low temperature tank, which secures high heat shielding performance, by preventing the generation of a clearance in a joint part, by restraining the generation of convection in the joint part, even when increasing a thickness of a heat shielding panel.SOLUTION: This heat shielding structure of the low temperature tank is provided by arranging a plurality of heat shielding panels 1 on a surface of the low temperature tank by sandwiching the joint part 10 between the respectively adjacent heat shielding panels 1 and itself. A first joint material 11 of a low gas transmission factor, a second joint material 12 higher in a gas transmission factor than the first joint material and a third joint material 13 formed of polyurethane foam injected-foamed after arranging the first joint material 11 and the second joint material 12 between the adjacent heat shielding panels 1, are continuously arranged in the thickness direction of the heat shielding panel 1 in this order from the low temperature side in the joint part 10.