Importance

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Abstract

A catalyst recovery apparatus is provided for separating finely divided solid particles from a hot gas stream comprising a vertical metal shell having a lower hot gas inlet and an upper clean gas outlet, a plurality of thermally expandable metal cyclone assemblies supported at their top regions by a horizontal plate, each of the cyclone assemblies having a downwardly extending dip-leg which exits into a centrally disposed solids collector, a vertically slidable particle collector outlet conduit which extends from the collector bottom downwardly through the enclosed shell, and a compressible seal means or packing gland arrangement disposed around the collector outlet conduit and comprising an annular packing holding member, a vertically movable packing compression member, and a compressible packing material.

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First Claim