| 摘要 |
An elongated horizontal housing is provided including a pair of longitudinally spaced interior baffles dividing the interior of the housing into first, second and third compartments spaced longitudinally therealong. Filter material is disposed between the baffles and the latter are each provided with a plurality of spaced apertures for the passage of water therethrough. The housing includes outlet structure for the discharged water from the third compartment and the first compartment includes water and air inlet structure operative to admit jets of water and jets of air under pressure into the first compartment in a manner thoroughly commingling jets of water and air. Still further, the housing includes an air vent for venting air from the upper portion of the first compartment.
|
