Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1977-07-25
1979-07-31
Spitzer, Robert H.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210 63R, 210220, 261 77, 261 78A, 261DIG75, C02B 308, C02C 112
Patent
active
041629701
ABSTRACT:
In an injector for the dispersion of a gas into a liquid and comprising a gas inlet, a liquid inlet, and a mixing chamber communicating with said inlets and having an inlet and an outlet, the improvement wherein the inlet of said mixing chamber is substantially round in cross-section and the outlet is substantially slit-shaped, whereby the kinetic energy of propulsion can be utilized with high efficiency to produce very fine gas bubbles. Advantageously the cross-sectional area at the outlet of the mixing chamber is about 5 to 25 times the cross-sectional area of the liquid nozzle throat, the liquid nozzle has a throat diameter d diverging to its discharge at an angle of about 5.degree. to 10.degree., the mixing chamber beginning at a distance from about 1 to 3 d from the end of the inlet, the inlet of the mixing chamber being circular of a diameter of about 3 d, the mixing chamber having a length of about 5 d to 20 d, and the height of the slit being about 1 d. The injector is especially suited for use in treating liquid effluents and in fermentation processes.
REFERENCES:
patent: RE20488 (1937-08-01), Zinkil
patent: 1417146 (1922-05-01), Dederich et al.
patent: 2272818 (1942-02-01), Petroe
patent: 2883169 (1959-04-01), Daman
patent: 3938738 (1976-02-01), Nagel et al.
Bayer Aktiengesellschaft
Spitzer Robert H.
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