Impeller for separating a conveyed stream of material

Details Impeller for separating a conveyed stream of material Impeller for separating a conveyed stream of material

B - Operations, Transporting

65

G

B65G 47/88 (2006.01) B65G 33/22 (2006.01) B65G 47/72 (2006.01) F04D 29/22 (2006.01)

Patent

CA 2210911

Disclosed herein is an impeller for separating a conveyed stream of material. The impeller has a central rotatable shaft with a plurality of blades extending radially therefrom. The shaft and blades form a number of generally wedge-shaped material receiving spaces within the impeller. One set of spaces has baffle means which are configured to direct material in this set outwardly from the impeller on the upstream side of the baffle means. Another set of spaces has guide means which are configured to guide the material in this set of spaces outwardly from the impeller on the downstream side of the baffle means. The impeller is particularly useful for separating streams of particulates, such as wood chips, compressed shavings, or the like.

La présente invention porte sur une turbine pour séparer un écoulement de matériau transporté. La turbine a un axe portant plusieurs aubes disposées radialement. L'axe et les aubes forment des espaces à forme générale de coin recevant le matériau à l'intérieur de la turbine. Un groupe d'espaces comporte des chicanes configurées de manière à diriger le matériau reçu dans ce groupe vers l'extérieur de la turbine du côté amont des chicanes. Un autre groupe d'espaces comporte des guides configurés de manière à guider le matériau reçu dans ce groupe vers l'extérieur de la turbine du côté aval des chicanes. La turbine est particulièrement utile pour séparer des écoulements de particules, notamment des copeaux de bois, des rognures de matériaux comprimés et autres particules du genre.

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