The present invention relates to a method of forming a vacuum in an insulated space that is disposed between a first shell provided inside an insulating tank to accommodate liquefied gas and a second shell disposed outside the first shell. The method of forming a vacuum in an insulated space includes a first vacuum step of lowering the pressure of the insulating space, wherein a low vacuum may be formed in the insulating space. A purpose of the present invention is to provide the method of forming a vacuum in an insulated space that optimizes the insulating performance of the insulating tank while reducing the man-hours and time required to create a vacuum state in the insulating tank.
본 발명은 단열탱크 내부에 마련되어 액화가스를 수용하는 제1 쉘 및 상기 제1 쉘 외부에 배치되는 제2 쉘 사이에 배치된 단열공간의 진공형성 방법에 관한 것으로, 상기 단열공간의 압력을 낮추는 제1 진공단계;를 포함하고, 상기 단열공간은 저진공이 형성될 수 있다.
VACUUM FORMING METHOD OF INSULATED SPACE
단열공간의 진공형성 방법
2023-10-13
Patent
Electronic Resource
Korean
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