The present invention relates to a liquefied hydrogen storage tank, comprising: an inner container storing liquefied hydrogen inside; an outer container surrounding the inner container while forming a space between the inner container and the outer container; a primary insulation part installed in the space between the inner container and the outer container, filled with perlite and silicate containing an absorbent material, and formed in a vacuum; a secondary insulation part installed on the surface of the outer container and including a vacuum insulation panel (VIP) and spray rigid polyurethane foam; and an inner container support means installed at the bottom of the inner container to maintain the space between the inner container and the outer container, thereby capable of improving insulation performance and minimizing heat loss and evaporation gas generation.
본 발명은 내측에 액화수소를 저장하는 내부용기; 상기 내부용기와의 사이에 공간을 형성하면서 내부용기를 둘러싸는 외부용기; 상기 내부용기와 상기 외부용기 사이 공간에 설치되되, 흡착재를 포함하는 펄라이트(Perlite) 및 실리케이트(silicate)를 충진하고 진공이 형성된 것인 1차 단열부; 상기 외부용기 표면에 설치되되, 진공단열패널(VIP) 및 스프레이 경질폴리우레탄폼을 포함하는 2차 단열부; 및 상기 내부용기 하단에 설치되어 내부용기와 외부용기 사이의 공간을 유지하는 내부용기 지지수단을 포함하는, 액화수소 저장탱크에 관한 것이다.
Cryogenic insulation system for liquid hydrogen storage tanks for liquid hydrogen carriers
액화수소운반선용 액화수소 저장탱크의 극저온 단열 시스템
2023-07-24
Patent
Electronic Resource
Korean
Cryogenic insulation system for liquid hydrogen storage tanks for liquid hydrogen carriers
European Patent Office | 2024
Insulation For Cryogenic-Liquid Tanks
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|The insulation of tanks for the storage of liquid hydrogen
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