摘要 |
A method and apparatus for providing a cleaned stock issuing directly from a hydrocyclone cleaning system at a consistency of at least 1%, comprising injecting pulp to said hydrocyclone means at a consistency of at least 1%, said hydrocyclone having a tangential inlet for stock, a base outlet for an accepted fraction an apex outlet for a rejected fraction, and at least one dilution water tangential inlet adjacent to said apex outlet for dilution water, adding dilution water to said cyclone means through said dilution water inlet adjacent the apex outlet, rejecting a reject fraction through said apex oulet, and ejecting an accept fraction through said base outlet at a consistency substantially equal to said feed consistency. |