| 摘要 |
1. Mixer of an air lift pump, in particular for enabling the utilization of water intakes by means of drilled wells, in the form of a pipe adapted at one end for connection to a compressed air system and having its wall perforated with air nozzles in the area of its other end, which is closed with a bottom, characterized in that it contains a coaxial worm element (2) supported rotationally on a bearing in the bottom (5), with an outer diameter (D) corresponding to the internal diameter of the pipe (1) and a length (L) greater than the axial dimension of the section perforated with nozzles (4), while the nozzles (4) have the form of linear slits.<IMAGE>
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