| 摘要 |
<p>According to the invention, there is provided a hydrodynamic separator to separate floatable material from a liquid, said separator comprising a separating vessel having: a cylindrical outer wall (3); an inlet means (13) for introducing said liquid into the vessel in a manner to promote a low energy rotational flow of liquid in the vessel; a base (4) at one end; a top wall (5) at the end opposite the base, said top wall including an axial outlet opening for receiving a flow containing floatable material separated from the liquid flow to the vessel; a flow modifying member (20) provided within the vessel to define with the top wall an annular opening which is spaced from the outer wall; an annular dip plate (12) spaced from the outer wall of the vessel, said dip plate comprising an upper edge spaced from the said top wall to define a gap for the flow of liquid containing floatable matter; and an outlet means (10, 31, 32, 33), separate from the axial outlet opening in the top wall, comprising a conduit for removing a primary liquid flow from the vessel, which conduit communicates with the interior of the vessel at a substantially axial location between the base and the top wall.</p> |
