System for sealing a cyclone leg

Details System for sealing a cyclone leg System for sealing a cyclone leg

B - Operations, Transporting

04

C

B04C 5/14 (2006.01) B01J 8/00 (2006.01) B04C 5/15 (2006.01) C10G 11/18 (2006.01)

Patent

CA 2236716

A cyclone leg sealing system is composed of one or more intermediate solids- accumulation chambers (21) delimited by two sealing valves (10 and 12) in series, the function of the valves being to prevent the back-flow of particulate material towards the inside of the separating cyclones in fluid catalytic cracking (FCC) processes, thereby ensuring the maximum efficiency of the separating effected by the cyclone.

Cette invention concerne un système de fermeture étanche d'un tronçon de cyclone, lequel système se compose d'une ou de plusieurs chambres intermédiaires (21) d'accumulation des solides qui sont délimitées par deux clapets d'étanchéité (10, 12) montés en série. Ces clapets ont pour fonction d'empêcher tout refoulement de matières particulaires vers l'intérieur des cyclones de séparation lors de processus de craquage catalytique de fluides (FCC), ce qui permet d'assurer une efficacité maximale de la séparation effectuée par le cyclone.

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