| 摘要 |
<p>The apparatus includes jet nozzles 2 for returning water that has been oxygenated back into a body of water wherein the nozzles are pivotable about the axis X of a sparge bar perpendicular to the nozzle axis. The sparge bar can be pivotally-adjusted using link members 4 connected to sliders 6. The nozzles 2 can be directed vertically downwards in deep water or directed in a more horizontal direction 2' in shallow water to minimise sedimentary agitation. The nozzles may be provided with a baffle plate (30,Fig 4) to diffuse the water flow from the nozzles.</p> |
