KETEP 세계에너지시장정보

A hydrogen filling apparatus configured to fill a plurality of hydrogen tanks with hydrogen, the hydrogen filling apparatus comprising:
a hydrogen supply part;
a trap tank through which hydrogen supplied from the hydrogen supply part passes;
a main pipe that is a pipe extending from the trap tank; and
hydrogen supply branch pipes that are pipes extending from the main pipe to hydrogen tanks, wherein
the trap tank comprises:
a container part;
an inlet through which the hydrogen flows from the hydrogen supply part into the container part; and
an outlet that is provided above the inlet in a vertical direction, through the outlet the hydrogen flowing from the container part to the main pipe,
wherein a flow path is provided inside the container part, the flow path spirally extending from the inlet toward the outlet, and
wherein a porous wall is provided over outer circumferences of the spirally extending flow path.