Conical screen basket centrifuge
AssigneeBaker Hughes Incorporated
InventorBruce L. Welling
Life of this patent
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Abstract
A scroll centrifuge having a basket/cage combination with apertures and a screen portion. The screen portion comprising tungsten carbide ligaments arranged side-by-side and end-to-end on the inside surface of the basket/cage combination to form slots. The slots whereof communicate the interior of the basket/cage combination to the exterior.
Claims13
A conical screen basket centrifuge having a rotary conical basket/cage combination with apertures and including a conical screen portion, a rotary, helically-bladed scroll mounted coaxially therein, means for rotating said basket/cage combination and scroll about their common axis in the same direction at a differential speed, means for feeding a solids-liquid slurry into said basket/cage combination and means defining an outlet from said basket/cage combination for solids moved through said screen section by said scroll, wherein said screen portion comprises,
- slotted screen means comprising a plurality of abrasion resistant ligaments bridging the apertures of said basket/cage combination and laterally spaced to form slots, the slots whereof communicate the interior of said screen portion with the exterior of said basket/cage combination and lie substantially along paths parallel to the common axis.
Dependencies are inferred from the claim text.