The present invention relates to a thermal insulation structure of a liquefied gas storage tank for securing thermal insulation performance of the liquefied gas storage tank by spraying an insulating material from the outside of a tank body. According to the present invention, the thermal insulation structure of a liquefied gas storage tank comprises: a flow path forming means installed on an outer surface of the tank body; and a heat insulating layer formed by spraying an insulating material on outer surfaces of the flow path forming means and the tank body. The flow path forming means includes: a first sheet portion fixedly installed on the outer surface of the tank body; and a second sheet portion coupled to the first sheet portion so as to face one surface of the first sheet portion. A leak path through which the leaked-out liquid of liquefied gas moves may be formed between the first sheet portion and the second sheet portion.
본 발명은 탱크 몸체의 외부에서 단열재를 스프레이 방식으로 분사하여 액화가스 저장탱크의 단열 성능을 확보하기 위한 액화가스 저장탱크의 단열구조에 관한 것으로, 상기 탱크 몸체의 외면에 설치되는 유로 형성수단; 및 상기 유로 형성수단과 상기 탱크 몸체의 외면에 단열재가 스프레이 방식으로 분사되어 형성되는 단열층을 포함하고, 상기 유로 형성수단은 상기 탱크 몸체의 외면에 고정 설치되는 제1 시트부; 및 상기 제1 시트부의 일면과 대향되도록 상기 제1 시트부와 결합되는 제2 시트부를 포함하고, 상기 제1 시트부와 상기 제2 시트부 사이에는 액화가스 누출액이 이동하는 누출 경로(Leak Path)가 형성될 수 있다.
INSULATION STRUCTURE FOR LIQUIFIED GAS TANK AND METHO FOR FORMING THE INSULATION STURUCTURE
액화가스 저장탱크의 단열구조 및 그 단열구조 형성방법
2021-09-29
Patent
Electronic Resource
Korean
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