Device for releasing and diffusing bubbles into liquid

Details Device for releasing and diffusing bubbles into liquid Device for releasing and diffusing bubbles into liquid

1989-10-18

1991-05-07

Miles, Tim

Gas and liquid contact apparatus

Contact devices

Rotating

B01F 304

Patent

active

050134906

ABSTRACT:
The device of the present invention includes a rotary shaft to be disposed in a liquid approximately vertically and rotatable about its axis. The rotary shaft has a gas channel axially extending therethrough. A bubble releasing-diffusing rotor is fixedly attached to the lower end of the rotary shaft and has a plurality of liquid agitating projections formed along its periphery at a specified spacing circumferentially thereof. The rotor is formed in its bottom face with a plurality of grooves extending radially from the central portion of the bottom face to the outer ends of the respective liquid agitating projections for centrifugally guiding the liquid when the rotary shaft is in rotation. The rotor has gas discharge ports communicating with the gas channel of the rotary shaft via a communication passage and equal in number to the number of the grooves for discharging the gas therefrom so that bubbles are entrained in the liquid centrifugally flowing out from the outer ends of the grooves in the peripheral surface of the rotor.

REFERENCES:
patent: 2713477 (1955-07-01), Daman
patent: 2743914 (1956-05-01), Epprecht
patent: 3121651 (1964-03-01), Gross et al.
patent: 3212759 (1965-10-01), Brown
patent: 3650513 (1972-03-01), Wemer
patent: 4426068 (1984-01-01), Gimond et al.
patent: 4611790 (1986-09-01), Otsuka et al.

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