| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas lift pump capable of considerably increasing the lifting amount of molten metal even when the installation space is in the same range as conventional ones.SOLUTION: In a gas lift pump (1) to be used for a hot dip metal plating bath of a continuous hot dip metal plating apparatus, a discharging section (4) of a flow pipe (2) for transporting molten metal is two-way branched, and Ngas discharge pipes (6a, 6b) for discharging Ngas into discharge pipes (5a, 5b), respectively, are provided in the branched discharge pipes (5a, 5b). |
