Ultrasonic vibrator tray apparatus

Details Ultrasonic vibrator tray apparatus Ultrasonic vibrator tray apparatus

1988-05-02

1990-04-24

Fisher, Richard V.

Liquid purification or separation

Filter

Movable medium

209437, 209173, C02F 134

Patent

active

049198076

ABSTRACT:
Processes and apparatus for treatment of flowing slurries of particulate material mixed in liquid employ a wide, elongated downwardly-slanted, metal tray with upturned edge flanges, cable-suspended for unrestrained vibratory flexing and undulation. The tray is provided with a plurality of ultrasonic transducers mounted on its underside, and the flowing slurry is delivered to the upper tray end, flowing lengthwise down the tray in a shallow flowing sheet. Ultrasonic vibratory energy coupled through the tray to the flowing slurry has a "microscopic scrubbing" action on all particles and agglomerates, breaking the surface tension on the particle, cleaning particle surfaces, and separating different constituent particles and coatings of gels, slimes, algae, clay or mud. Mixtures of fine particles of coal or other valuable minerals with ash, clay, rock or sand particles are separated with unexpected efficiency by these techniques. In a second embodiment, a second reflection tray is provided superimposed on the first tray.

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