B - Operations – Transporting – 04 – B
Patent
B - Operations, Transporting
04
B
B04B 1/14 (2006.01) B04B 1/00 (2006.01) B04B 1/10 (2006.01) B04B 11/02 (2006.01) B04B 11/04 (2006.01)
Patent
CA 2226514
A centrifugal separator for separating heavy metals from lighter or includes a bowl (10) rotatable about its axis and defining annular collection areas (19, 20) on the peripheral surface of the bowl at axially spaced positions along the bowl. At the peripheral wall (11) in each area is provided a plurality of angularly spaced discharge openings (29) which are controlled by pinch valves (42) to periodically allow the radial escape of the collected material. The pinch valves of a first area (19) are controlled at different timing to the pinch valves of a second area (20) to vary the concentration of the materials collected in the different areas. The pinch valves are operated by a pressurized liquid system which is fed to the different areas through a swivel coupling mounted at a longitudinal shaft supporting the bowl.
L'invention concerne un séparateur centrifuge, destiné à la séparation des métaux lourds d'un minerai plus léger, comprenant un bol (10) pivotant autour de son axe et définissant à sa périphérie des surfaces collectrices annulaires (19, 20) en des points axialement espacés. La paroi périphérique (11) de chaque surface comporte une pluralité d'orifices de déversement (29) disposés de manière angulaire, contrôlés par des robinets-vannes à manchon déformable (42) de façon à permettre le déversement radial périodique du matériau collecté. Les robinets-vannes de la première surface collectrice (19) s'ouvrent et se ferment à un rythme différent de celui des robinets-vannes d'une seconde surface (20), ce qui permet de varier la concentration des matériaux collectés dans les différentes surfaces. Les robinets-vannes sont actionnés par un système à liquide sous pression qui est amené aux différentes surfaces grâce à un dispositif de bascule fixé sur la tige longitudinale soutenant le bol.
Ade & Company
Knelson Benjamin V.
LandOfFree
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