Measuring and testing – Liquid level or depth gauge
Patent
1999-01-22
2000-08-22
Kwok, Helen C.
Measuring and testing
Liquid level or depth gauge
73 6163, 73 6175, G01N 1506
Patent
active
061054240
ABSTRACT:
A system and method for monitoring the dynamics of particle motion in a liquid-solid media including the rate of settling of particles, the identification of unsettled particle clouds, and the identification and control of the bed level of settled particles in a slurry within a settler is provided. The system includes an ultrasound transducer and a receiver for detecting echoes from particles in the slurry. The echoes are processed to determine the bed level of the settled particles, the position of unsettled particle clouds, and the rate of settling of the particle clouds.
REFERENCES:
patent: 4014650 (1977-03-01), Sigelmann
patent: 4528842 (1985-07-01), Brown
patent: 4980868 (1990-12-01), Teel
patent: 5125264 (1992-06-01), Beuzard et al.
patent: 5789676 (1998-08-01), Fay et al.
Barnes Ralph W.
Fay Charles Robert
Robinson Harold Leon
Cytec Technology Corp.
Kwok Helen C.
Mallon Joseph J.
Negron Liza
Van Riet Frank M.
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