| 摘要 |
<p>PURPOSE: A pond purification system for preventing eutrophication is provided, in which an intake is installed at the deepest place of a pond so that water is circulated via flexible pipe installed along the pond side, wherein a venturi is installed at an outlet to supply dissolved oxygen to the water. CONSTITUTION: The pond purification system comprises a water circulation line(30); an intake(20) which is installed at the deepest place of a pond(10); an outlet(50) which is connected to the water circulation line(30); and a venturi nozzle(70) which is set at the outlet(50) to dissolve atmosphere air into the water.</p> |
