Patent ID: 7404491
Filing Date: 2008-07-29
Classification: B01D,B04C

Abstract:
1. A cyclone having an in-situ abrasive resistant liner removal system comprising in combination; a) an inlet housing having open top and bottom ends; b) a feed duct connected to said inlet housing for supplying materials to be classified thereto; c) a cover plate mounted atop said inlet housing and movable for opening the top of said inlet housing; d) a truncated conical housing depending from the open bottom end of said inlet housing and having an open apex at its lower end; e) a ring-shaped shelf at lower end of said conical housing and extending into the open apex thereof; f) a lifting ring resting on said ring-shaped shelf; g) a pair of hoisting straps attached to diametrically opposed sides of said lifting ring and extending upwardly through said conical housing; h) a frusto-conical apex cone having a downwardly tapering body with an annular flange circumscribing its upper end, the annular flange of said apex cone resting on said lifting ring with its body depending through the lower end of said conical housing; i) at least one frusto-conical abrasion resistant in said conical housing and mounted on the annular flange of said apex cone; and i) means on the upper ends of said hoisting straps for attachment to a lifting mechanism for moving said lifting ring, said apex cone and frusto-conical abrasion resistant cone out of the cyclone when said cover plate is moved to open the upper end of said inlet housing.