Visual sizing of particles

B - Operations – Transporting – 01 – J

Patent

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Details

B01J 2/12 (2006.01) B05B 7/14 (2006.01) G01N 1/10 (2006.01) G01N 1/20 (2006.01) G01N 15/14 (2006.01)

Patent

CA 2579689

A rotating disc (26) extracts in a fan (30) samples from a fluidised flow (12) of particles in a container, for example a mixer (10). The extracted samples overfly contrasting area so that a camera (36) images the fan. Processing means in the form of a programmed computer analyse the images and produce size, shape, size distribution and compositional information from the sample. The sample is representative of the flow as a whole.

Dan un récipient tel qu'un mélangeur (10), un disque rotatif (26) extrait au moyen d'un ventilateur (30) des échantillons dans un écoulement fluidisé (12) de particules. Les échantillon extraits survolent une zone de contraste de sorte qu'une caméra (36) peut prendre des images du ventilateur. Des moyens de traitement sous forme d'un ordinateur dûment programmé analyse les images et produise des données relatives à la taille, à la forme, à la répartition par taille et à la composition de l'échantillon. Ledit échantillon correspond à l'écoulement dans son ensemble.

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