To provide a liquefied fuel transportation system capable of efficiently transporting low temperature liquefied fuel while minimizing energy loss of the liquefied fuel itself by improving long distance transportation and storage technique of liquefied fuel such as liquefied hydrogen.
A gas separator 11 for making a flow rate equal to 0.5m/s or less is provided at a transportation pipe route 1 of the liquefied fuel and the liquefied fuel and fuel gas evaporated from the liquefied gas are separated by the gas separator 11. With a taking-out pipe 18 and an on-off valve 19 at an upper part of the gas separator 11, the evaporated fuel gas is taken out from the taking-out pipe 18 by opening the on-off valve 19. As a level gauge 16 is provided for the gas separator 11, it is preferable to control open/close of the on-off valve 19 according to a level position of the liquefied fuel detected by the level gauge 16.
Shintaro Hotta
Ryoji Kosugi
Tomohiro Mori
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