Aspirating aeration and liquid mixing apparatus

Details Aspirating aeration and liquid mixing apparatus Aspirating aeration and liquid mixing apparatus

1987-01-20

1987-12-01

Castel, Benoit

Gas and liquid contact apparatus

Fluid distribution

Pumping

210219, 210220, 2102422, 261 76, 261 93, 261DIG75, 366178, 366336, 417198, B01F 502

Patent

active

047103256

ABSTRACT:
An aspirating aeration and liquid mixing apparatus is positioned in a body of water and includes a motor driven propeller positioned within an intake duct and driving water through a nozzle. A plenum with an air intake pipe extends about the nozzle. The nozzle has ports with ramps thereover to provide a constriction for aspiration. The ramps are spaced annually about the interior of the nozzle with channels between the ramps. As water passes through the nozzle, a low pressure zone is created immediately downstream of the constriction to draw air through the ports, the plenum and the air intake pipe for aeration of the water. Large size materials which could otherwise clog at the constriction pass through the channels substantially unimpeded.

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