Gas -liquid mixer

The utility model discloses a gas -liquid mixer, including the straight tube, the entrance point of straight tube has inserted a collapsible tube, and the exit end of straight tube has inserted a convergent divergent channel, the relative nevertheless contactless with the entrance point of convergent divergent channel of the exit end of collapsible tube, the diameter of the exit end of collapsibletube is less than the diameter of the entrance point of convergent divergent channel, corresponding to the first through -hole of locating the setting between collapsible tube and the convergent divergent channel on the straight tube. The utility model provides a gas -liquid mixer simple structure, cost of manufacture ground, and easy and upper reaches pipeline and low reaches pipe connection, area is little. 本实用新型公开了种气液混合器，包括直管，直管的进口端插入有根收缩管，直管的出口端插入有根扩张管；收缩管的出口端与扩张管的进口端相对但不接触，收缩管的出口端的直径小于扩张管的进口端的直径；直管上对应于收缩管和扩张管之间处设置的第通孔。本实用新型提供的气液混合器结构简单，制作成本地，且易于与上游管道以及下游管道连接，占地面积小。