Hydraulic and earth engineering – Fluid control – treatment – or containment – Settling of suspended matter in a specific location
Patent
1984-06-20
1986-09-30
Taylor, Dennis L.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Settling of suspended matter in a specific location
405 52, E02B 802
Patent
active
046144587
ABSTRACT:
A permanently-installed system of intakes and conduits for removing accumulated sediment from the bottom of a watercourse includes a pattern of spaced slurry intakes of flared shape, connected by a conduit network to suction pumps. The intakes have sides sloping toward an opening at an angle at least as great as an angle at which the sediment will slide, whereby the sediment is caused to accumulate, between intermittent operations of the system, at a lowermost portion of the intake. A quantity of sediment is thereby concentrated in the flow path for removal. A cowling and anti-vortex fin structure supports a movable valve plug to permit sequential operation of individual intakes. The cowling and sloping sides, together with the anti-vortex fins cause a horizontal flow of water across the bottom to sweep sediment toward the intakes. A plurality of spaced rods protect the intakes from clogging due to entry of large pieces of debris.
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