Unidirectional discharge grate assembly

Details Unidirectional discharge grate assembly Unidirectional discharge grate assembly

B - Operations, Transporting

02

C

B02C 13/286 (2006.01) B02C 17/18 (2006.01) B02C 23/02 (2006.01) B02C 23/08 (2006.01) D21D 1/02 (2006.01)

Patent

CA 2732083

A discharge grate assembly for at least partially guiding slurry from a mill shell chamber in a rotating mill shell to a discharge trunnion thereof via a pulp lifter chamber. The discharge grate assembly includes a body having a number of apertures for permitting the slurry to flow from the mill shell chamber into the pulp lifter chamber. The discharge grate assembly also includes a number of louvers movable between a closed position, in which the apertures in the body are at least partially covered by the louvers, and an open position, in which the apertures are at least partially unobstructed by the louvers.

L'invention porte sur un ensemble de grilles de décharge guidant au moins en partie les boues de la chambre du carter d'un broyeur rotatif vers l'un de ses tourillons de décharge via la chambre d'un élévateur de pulpe. Le corps de l'ensemble de grilles de décharge présente un certain nombre d'ouvertures permettant aux boues de passer de la chambre du carter du broyeur à l'élévateur de pulpe. L'ensemble de grilles de décharge inclut aussi un certain nombre de volets mobiles pouvant passer d'une position fermée, où les ouvertures du corps sont au moins partiellement couvertes par les volets, à une position ouverte, où les ouvertures sont au moins partiellement non obstruées par les volets.

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