B - Operations – Transporting – 04 – B
Patent
B - Operations, Transporting
04
B
B04B 1/00 (2006.01)
Patent
CA 2195762
In a centrifuge bowl (10) of the type including a plurality of axially spaced recesses (15) and a surrounding jacket (21) which communicates fluidizing water through holes (30) in the peripheral wall of the bowl communicating with the recesses. Each recess (15) defines a band at the peripheral wall through which the holes pass. The wall (11) of the bowl and the surrounding wall (20) of the jacket (21) are both conical. The number of holes (30) is selected in the bands so that those initial bands at the base of the bowl where the feed occurs have the minimum number of holes, the maximum number of holes are provided at the bands immediately above the initial bands and the number of holes gradually decreases from the maximum to the uppermost band even though the diameter of the bands is also increasing.
L'invention concerne un bol centrifuge (10) comprenant plusieurs creux (15) espacés axialement et une enveloppe d'entourage (21) qui fait passer de l'eau en fluidisation à travers des orifices (30) percés dans la paroi périphérique du bol communiquant avec les creux. Chaque creux (15) définit une bande sur la paroi périphérique à travers laquelle passent les orifices. La paroi (11) du bol et la paroi d'entourage de la gaine (21) sont toutes deux de forme conique. Le nombre d'orifices (30) est choisi dans les bandes de telle sorte que les bandes initiales à la base du bol où se produit l'alimentation aient un nombre minimum de trous, le nombre maximum d'orifices est prévu sur les bandes se trouvant immédiatement au-dessus des bandes initiales et le nombre d'orifices décroît progressivement d'une quantité maximale dans la bande supérieure bien que le diamètre des bandes, lui aussi, augmente.
Ade & Company
Knelson Benjamin
LandOfFree
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