B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
209/85
B01D 21/26 (2006.01) B04C 5/13 (2006.01) D21D 5/24 (2006.01)
Patent
CA 1045083
HYDROCYCLONE ABSTRACT OF THE DISCLOSURE A hydrocyclone for dividing fiber suspensions into accept and reject fractions, said hydrocyclone being constituted by a conical separation chamber vertically positioned and having at its lower apex end an outlet aperture for the reject fraction, and a base part associated with the upper end of said separation chamber and provided with at least one inlet opening for the fiber suspension, an accept pipe being arranged coaxially with said separation chamber and said base and passing through the top of said base, said accept pipe having its lower inlet end at a level between said inlet opening for the fiber suspension and said outlet aperture for the reject fraction, and the outer surface of the accept pipe having the shape a truncated cone and being further provided with an annular projecting lip forming a discontinuity in said outer surface, the lower side of the lip, facing the reject outlet, having a curved concave shape in order to deflect part of the vortex impinging thereon back towards the reject outlet.
277749
Lankinen Matti
Surakka Jorma
LandOfFree
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