Transporting and metering particulate material

Details Transporting and metering particulate material Transporting and metering particulate material

B - Operations, Transporting

65

G

B65G 29/00 (2006.01) F04D 5/00 (2006.01) F04D 7/04 (2006.01) F04D 15/00 (2006.01) F04D 29/42 (2006.01) F04D 29/44 (2006.01)

Patent

CA 2170272

An improved apparatus (30) for transporting the metering particulate material (40) including a transport duct (36) having an inlet (32), an outlet (34), and at least one moving surface (31) located therebetween having a downstream facing drive surface. The apparatus further includes drive device for moving the moving surface (31) between the inlet (32) and the outlet (34) towards the outlet, and means for compacting the particulate material sufficiently to cause the formation of a bridge composed of substantially interlocking particulate material (40) spanning the width of the transport duct (36). The apparatus is used to transport and meter particulate material under ambient conditions and against pressure.

Ce dispositif amélioré (30) destiné au transport de substances particulaires (40) à doser se compose d'un conduit de transport (36) muni d'un orifice d'entrée (32), d'un orifice de sortie (34) et d'au moins une surface en mouvement (31) située entre ces deux orifices, et dont la surface d'entraînement est orientée vers l'aval. Le dispositif comporte également un équipement moteur destiné à animer la surface d'entraînement (31) entre l'orifice d'entrée (32) et l'orifice de sortie (34) en direction de cet orifice de sortie. Le dispositif comporte en outre un équipement de compactage des substances particulaires de façon suffisante pour la formation d'un pont se composant essentiellement de substances particulaires (40) reliées entre elles et s'étendant sur toute la largeur du conduit de transport (36). Ce dispositif est destiné au transport et au dosage de substances particulaires dans les conditions normales d'environnement et de pression.

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