B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
141/16, 209/2
B08B 7/04 (2006.01) B03B 5/00 (2006.01)
Patent
CA 2003520
The apparatus serves for washing out and sorting organic, loamy and other impurities from continuously supplied coarse and fine granular solids, such as freshly dredged and treated gravel, with a chute 12 supplying the material to a washing trough 30 and spray jets 8, 10 for the washing liquid, consisting of an endless conveyor belt 29 supported on support rollers which are mounted on the machine frame 1 in such a manner that one section 9 of the conveyor belt is arranged downstream of the chute 12 and is formed as a washing trough 30, while the other section 11 of the conveyor belt 29 is arranged underneath the chute 12 and rising upwards against the direction of flow of the material supplied, the conveyor belt 29 being driven in the opposite direction to the direction of flow of the material supplied through the chute. Support rollers 6 and 17 are arranged to the side of the outer deflection pulley 32, in the direction of movement 4 of the conveyor belt 29. Said roller 6 is formed as a tapping roller and comprises one or more tapping ribs 3 arranged transversely to the direction of movement 4 of the conveyor belt 29 and constituting humps on the surface of the deflection roller.
bstract Cette invention concerne une machine d'extraction à l'eau et de tri des impuretés organiques, argileuses et autres d'un flux continu de granulats grossiers et fins tels que du gravier fraîchement récupéré par dragage et traité. La machine comprend une goulotte d'alimentation 12 donnant sur un caniveau de lavage 30 et des gicleurs d'eau 8 et 10, et une courroie transporteuse sans fin 29 supportée par des rouleaux montés sur le bâti de la machine de manière qu'un tronçon 9 soit en aval de la goulotte 12 et déformé en caniveau de lavage 30 et que l'autre tronçon 11 passe sous la goulotte 12 et remonté vers le haut en sens contraire du flux d'alimentation en granulats, ladite courroie étant entraînée dans la direction opposée à celle du flux de granulats sortant de la goulotte. Des rouleaux support 6 et 17 sont disposés d'un côté du tambour de renvoi 32, soit du côté (4) vers où avance la courroie 29. Le rouleau 6, du type vibreur, comporte une ou plusieurs nervures 3 perpendiculaires au sens de progression 4 de la courroie et destinées à faire tressauter celle-ci.
Riches Mckenzie & Herbert Llp
Rohr Gmbh
LandOfFree
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