Patent ID: 9073030
Filing Date: 2015-07-07
Classification: B01J,C10G,F27B,Y10T

Abstract:
1. A riser for reacting a feedstock in the presence of a catalyst, the riser comprising: a sidewall defining a cylindrical housing that surrounds an interior; a plurality of baffle assemblies releasably coupled to the sidewall and each comprising a baffle section, wherein the baffle sections together define a segmented baffle ring extending inwardly in the interior; and a plurality of dead riser nozzles extending radially outward from the cylindrical housing and each surrounding a channel that extends through the cylindrical housing towards one of the baffle sections, and wherein each of the baffle assemblies comprises an elongated support member extending through one of the channels, and wherein each of the elongated support members is operatively coupled to one of the baffle sections and is releasably coupled to one of the dead riser nozzles.