Settling process analysis device and method

G - Physics – 01 – F

Patent

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Details

G01F 23/296 (2006.01) G01N 15/04 (2006.01) G01N 29/032 (2006.01) G01N 29/40 (2006.01) G01N 29/44 (2006.01) G01S 7/527 (2006.01) G01S 7/539 (2006.01)

Patent

CA 2286764

The invention provides 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. 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.

L'invention concerne un système et un procédé de surveillance de la dynamique du mouvement des particules dans un milieu solide-liquide consistant à établir la vitesse de sédimentation des particules, à identifier des nuages de particules non déposées et à identifier et réguler le niveau du lit des particules déposées dans une suspension à l'intérieur d'un récipient de décantation. Le système comprend un transducteur ultrasonore et un récepteur permettant de détecter des échos provenant des particules contenues dans la suspension aqueuse. Les échos sont traités dans le but de déterminer le niveau du lit de particules déposées, la position des nuages de particules non déposées et la vitesse de sédimentation des nuages de particules.

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