To provide a liquefied gas storage tank which enables leakage of liquefied gas to be suppressed with simple configuration, and a marine vessel.SOLUTION: The liquefied gas storage tank comprises: a container body 60 which stores a liquefied gas LG inside and has a design pressure adaptable to pressure higher than the atmospheric pressure at an installed position; leading-out piping 63 which is provided extending from the inside to the outside of the container body 60, has one end opened in a liquid phase L of the liquefied gas LG inside the container body 60 and the other end disposed outside the container body 60, and forms a leading-out flow passage 64 for the liquefied gas LG in the inside; and a communication portion 65 enabling a position where a gas phase G of the liquefied gas LG exists inside the container body 60 to be communicated with the leading-out flow passage 64.SELECTED DRAWING: Figure 2
【課題】簡易な構成で液化ガスの漏洩を抑制することが可能な液化ガス貯留タンク、及び船舶を提供する。【解決手段】内部に液化ガスLGを貯留し、設置された位置での大気圧よりも大きな圧力まで対応可能な設計圧力を有する容器本体60と、容器本体60の内外にわたって設けられ、一端が容器本体60の内部で液化ガスLGの液相Lの中に開口し、他端が容器本体60の外部に配置され、内部に液化ガスLGの導出流路64を形成する導出配管63と、容器本体60の内部における液化ガスLGの気相Lが存在する位置と、導出流路64とを連通可能な連通部65と、を備える。【選択図】図2
LIQUEFIED GAS STORAGE TANK AND MARINE VESSEL
液化ガス貯留タンク、及び船舶
2020-11-05
Patent
Electronic Resource
Japanese