Hydrocyclone conduits

Details Hydrocyclone conduits Hydrocyclone conduits

1992-02-13

1993-06-22

Theisen, Mary Lynn

Liquid purification or separation

Tangential flow or centrifugal fluid action

Multiple cyclone

2105121, 209144, 209211, 554591, B01D 2126

Patent

active

052214761

ABSTRACT:
Hydrocyclone separators of the type used to separate contaminants from pulp suspensions in paper mills are connected to feed, accept, and reject conduits using a conduit apparatus in which both feed and accept portions can be made from smooth material. The feed and accept portions include surfaces through which apertures are provided for making connections to the feed and accept nozzles of the hydrocyclones. The smooth material eliminates the tendency of pulp to build up on the conduit walls and in the nozzles, thereby avoiding the problems that can occur when such build ups break loose. The nozzles of the hydrocyclones are preferably attached by placing a resilient sealing member around the circumference of the nozzle, and inserting the nozzle into an aperture formed in the wall of the conduit until the sealing member engages the inside wall of the aperture. The wall of the conduit can include a generally flat portion made from a metal plate material so that the sealing member seals only against the narrow, generally-cylindrical inside surface of the aperture. The wall can also be molded of a plastic material and can have an aperture dimensioned so that a length between the exterior and interior walls changes around the aperture. A manifold is also provided which is useable between the main feed and main accept conduits so that it can either be parallel therewith or transverse thereto.

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