Patent ID: 6582600
Filing Date: 2003-06-24
Classification: B01D,B04C

Abstract:
A two-stage cyclone separator, each separator stage comprising a generally cylindrical first portion with an open end and a closed end, a generally axial overflow outlet in said closed end, at least two radially balanced feed injection ports in said cylindrical first portion adjacent the closed end thereof, at least one converging tapered intermediate portion with open ends axially flow connected to the open end of the cylindrical first portion, and an outer generally cylindrical portion axially flow connected to said tapered third portion,characterized by a horizontally elongated pressure vessel having at least five chambers separated from each other by divider walls, a first stage hydrocyclone extending through at least one divider wall between a feed inlet chamber and a first stage underflow chamber and having the axial overflow outlet flow connected to an opening through a further divider wall into a first stage overflow chamber, and a second stage hydrocyclone extending through at least three divider walls between said first stage underflow chamber and a second stage underflow chamber, said second stage hydrocyclone having the axial overflow outlet thereof flow connected to an opening through a divider wall into a second stage overflow chamber.