| 摘要 |
<p>PURPOSE: To provide an aerator exhibiting high oxygen dissolving efficiency and oxygen moving efficiency and which can be easily maintained and controlled. CONSTITUTION: An aerator 17 is formed with a lead-in pipe 21 vertically arranged at the definite depth of the water 16 to be treated, an air diffuser pipe 24 opened at the upper part in the lead-in pipe 21 and supplying air 23 and a pump 25 set at the lower part of the lead-in pipe 21 and allowing the air 23 and water 16 flow downward into the lead-in pipe 21. The lead-in pipe 21 is freely attachable and detachable to and from the pump 25, and the guide pipes 31 and 32 and guides 33 and 34 for guiding the vertical movement of the pump 25 and a support 35 for freely movable holding the lead-in 21 are furnished.</p> |
