RECEIVING PIPING COOLING DOWN METHOD FOR LNG SATELLITE EQUIPMENT

摘要

PROBLEM TO BE SOLVED: To reduce a LNG unloading time and to improve its efficiency in LNG satellite equipment using one of a pair of LNG tanks as a discharging tank and the other as a receiving tank. SOLUTION: This LNG satellite equipment is provided with receiving piping for receiving LNG from a LNG lorry to the respective LNG tanks, discharging piping for discharging LNG from the respective LNG tanks, and returning piping for returning the LAG discharged to the respective discharging pipes to the receiving piping. Within a predetermined time before arrival of the LNG lorry, the LNG is discharged from one LNG tank serving as the discharging tank to the discharging piping. When the discharged LNG is let flow into the other LNG tank serving as the receiving tank via the returning piping and the receiving piping, the receiving piping is cooled down previously.