An objective of the present invention is to reduce the time and costs required for manufacture and installation. An insulation box fixing device of an LNG storage tank provided by the present invention comprises: a primary insulation box to primarily insulate LNG stored in an LNG storage tank; a secondary insulation box provided between the primary insulation body and an inner wall of a hull to secondarily insulate the LNG; and an insulation box fixing device to fix the first insulation box and the second insulation box. The insulation box fixing device includes: a body unit supported on the upper surface of a second support installed on the lower end of a side of the secondary insulation box; a secondary insulation box fixing unit coupled to the lower end of the body unit to fix the secondary insulation box on the inner wall of the vessel; and a primary insulation box fixing unit coupled to the upper end of the body unit to fix the gap between the primary insulation box and the second insulation box. The secondary insulation box fixing unit includes: a spring cylinder coupled to the lower end of the body unit; a spring embedded in the cylinder; and a coupler rod provided to be stretched in the spring cylinder by an action of the spring, wherein the lower end thereof is coupled to a coupler base socket fixed on the inner wall of the vessel.

    본 발명에 의해 제공되는 LNG 저장탱크의 단열박스 고정장치는, LNG 저장탱크에 저장되는 LNG를 1차적으로 단열시키는 1차 단열박스; 1차 단열박스와 선체 내벽 사이에 마련되어 LNG를 2차적으로 단열시키는 2차 단열박스; 및 1차 단열박스와 2차 단열박스를 고정시키는 단열박스 고정장치를 포함하고, 단열박스 고정장치는, 2차 단열박스의 측면 하단부에 설치되는 제2 지지대의 상면에 지지되는 몸체부; 몸체부의 하단부에 결합되어 2차 단열박스를 선체 내벽에 고정시키는 2차 단열박스 고정부; 및 몸체부의 상단부에 결합되어 1차 단열박스와 2차 단열박스 간을 고정시키는 1차 단열박스 고정부를 포함하며, 2차 단열박스 고정부는, 몸체부의 하단부와 결합되는 스프링 실린더; 실린에 내장되는 스프링; 및 스프링의 작용에 의해 스프링 실린더 내부에서 신축이 가능하게 마련되며, 하단부가 선체 내벽에 고정되는 커플러 베이스소켓에 결합되는 커플러 로드를 포함하는 것을 특징으로 한다.


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    Title :

    LNG Insulation Box Securing Device of LNG Storage Tank


    Additional title:

    LNG 저장탱크의 단열박스 고정장치


    Contributors:

    Publication date :

    2020-12-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    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



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