Multilayer energy dissipating inlet column in center-feed...

Details Multilayer energy dissipating inlet column in center-feed... Multilayer energy dissipating inlet column in center-feed...

2006-03-09

2008-05-27

Upton, Christopher (Department: 1797)

Liquid purification or separation

Processes

Separating

C210S519000, C210S520000, C210S528000

Reexamination Certificate

active

07378027

ABSTRACT:
The Multilayer Energy Dissipating Inlet Column (MEDIC) in a center-feed clarifier consists of a plurality of perforated and concentric columns and a circular cover, which closes the bottom of the multilayer column. In the wall of each perforated column many flow inlet ports are mounted. The layout of the flow inlet ports between any two adjacent perforated columns is staggered to create a puzzled flow path and flow impingement among the layers of MEDIC. The strong influent jet due to the small inifluent area in a center-feed clarifier continuously impinges with the multilayer perforated columns one after another one. The resistance created by the multiple perforated columns slows down the influent jet and evenly distributes it among all of the inlet ports in the wall of the most outside column. The ability of MEDIC to confine the turbulence entering into clarifiers effectively lowers the dispersed sludge blanket in clarifiers and increases their capacity.

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