| 摘要 |
<p>This invention relates to a plant for depolluting waste waters, and more particularly for depolluting waste waters from crushers, characterized in that it comprises at least a tub (2) for sedimentation of waters which is connected at its lower portion to a tank (25) for collecting the sedimentation bottoms, a circuit for the circulation (7) and the oxygenation (9) of waters, said circuit sucking through pump means (8) waters from said sedimentation tub (2) and conveying said waters onto a covering (10) on which said water flows towards an opencast channel (1), a plate (1) sloping towards said sedimentation tub (2), said plate being provided with a first top channel (3) which is fed by said opencast channel (11), from which said water overflows onto said plate (1) and then towards said tub (2), second top channels (5, 6), arranged around said tub (2), which are fed by said plate (1), and a discharge device (18) for discharging the compounds, in particular oil, floating on the surface of water contained within said sedimentation tub (2) towards tanks (25) for collecting and separating oil. <IMAGE></p> |
