Multiple stage jet nozzle and aeration system

Liquid purification or separation – With means to add treating material – Directly applied to separator

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Details

210242A, 261 76, 261DIG75, 239424, 366173, C02C 102, B01F 304

Patent

active

042105340

ABSTRACT:
An improved system for mixing gas with waste water in which the water is pumped through a plurality of nozzles or vortex mixing chambers into which the gas is injected at a step region to form parallel streams of gas and water. The multiple stage nozzle includes an extending chamber which contains the parallel streams as the interface between them becomes unstable, breaks down creating vortices and produces tiny bubbles which mix with the water. The extending chamber is divided into three sections or stages with at least one section tapered inwardly at a rate of 11.degree.-22.degree. to permit operation at higher air flow rates without loss of efficiency and the outermost section from which the mixed stream is directly discharged into the body of waste water being non-diverging, preferably cylindrical.

REFERENCES:
patent: 3430823 (1969-03-01), Hunsaker
patent: 3671022 (1972-06-01), Laird
patent: 4019983 (1977-04-01), Mandt
patent: 4112025 (1978-09-01), Wilson
patent: 4152259 (1979-05-01), Molvar
patent: 4157304 (1979-06-01), Molvar

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