Spent catalyst distributor

C - Chemistry – Metallurgy – 10 – G

Patent

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Details

C10G 11/12 (2006.01) C10G 11/18 (2006.01)

Patent

CA 2428968

The present invention is related to methods and apparatus for improving distributions of both spent catalyst and transport gas into a regenerator of a fluid catalytic cracking unit. Spent catalyst and transport gases move upwardly through a spent catalyst riser and are diverted in a radially outward direction by a deflector cone. The catalyst and transport gas are remixed as they move radially outward between two disks before discharging from the outer edges (perimeter) of the distributor into the regenerator in a substantially uniform radial direction. The distributor is adapted to provide continuous discharge from its perimeter so as to cover the entire cross-section of the regenerator.

La présente invention concerne des procédés et un appareil permettant d'améliorer la distribution de catalyseur usé et du gaz de transport dans un régénérateur d'une unité de craquage catalytique liquide. Le catalyseur usé et les gaz de transport remontent à travers une colonne de montée de catalyseur usé et sont déviés dans une direction extérieure radiale par un cône de déflexion. Le catalyseur et le gaz de transport sont mélangés à nouveau lorsqu'ils se déplacent radialement vers l'extérieur entre deux disques avant d'être évacués des bord extérieurs (périmètre) du distributeur dans le régénérateur dans une direction radiale sensiblement uniforme. Ce distributeur est adapté pour permettre une évacuation continue de son périmètre de façon à couvrir toute la partie transversale du régénérateur.

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