Apparatus for dispensing particulate material into a...

Details Apparatus for dispensing particulate material into a... Apparatus for dispensing particulate material into a...

B - Operations, Transporting

65

G

B65G 53/08 (2006.01) B65G 53/14 (2006.01)

Patent

CA 2528833

An apparatus (10) is used for dispensing particulate material into a pneumatic conveying line (12) which includes an air passage for connection in series with the pneumatic conveying line. A flow restrictor (54) in the air passage, for example a venturi, produces a drop in air pressure in the pneumatic conveying line. An auger (32) feeds the particulate material adjacent the outlet side of the flow restrictor whereby remaining particulate material in the feed tube is drawn into the pneumatic conveying line once the source of particulate material has been depleted to ensure full cleanout of a source of particulate material if desired.

L'invention concerne un appareil (10) utilisé pour distribuer une matière particulaire dans une conduite de transport pneumatique (12), cet appareil comprenant un conduit d'air destiné à être raccordé en série à ladite conduite de transport pneumatique. Un limiteur de débit (54) placé dans le conduit d'air, par exemple un venturi, entraîne une chute de la pression de l'air dans la conduite de transport pneumatique. Une vis sans fin (32) achemine la matière particulaire à proximité du côté sortie du limiteur de débit. La matière particulaire restant dans le tube d'alimentation est aspirée dans la conduite de transport pneumatique après épuisement de la source de matière particulaire afin de garantir un curage total de ladite source le cas échéant.

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