Delivery system for liquid catalysts

B - Operations – Transporting – 01 – F

Patent

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Details

B01F 13/02 (2006.01) F27D 99/00 (2010.01) B01D 17/035 (2006.01) B01F 3/04 (2006.01) B01F 15/02 (2006.01) B01J 4/00 (2006.01) B01J 10/00 (2006.01) F02M 27/02 (2006.01) F16K 15/00 (2006.01) F23D 14/68 (2006.01) F23J 7/00 (2006.01) F27D 7/02 (2006.01)

Patent

CA 2444416

A delivery system for generating a sparging gas containing catalyst particles and delivering them to a flame zone (62) of a combustion reaction is disclosed. A catalyst mixture receptacle (2) for the delivery system includes a floating ball check valve (20) on an air inlet (18) to an inlet tube (8) of the receptacle (2) which is spaced from a vertical wall (12) of the receptacle (2). A secondary splash chamber (30) having an opening smaller than the body of the chamber is also included between the main body of the receptacle (2) and the sparging gas outlet for the receptacle to reduce the opportunity for catalyst mixture (4) in liquid form to reach the sparging gas outlet. An enrichment circuit is disclosed including a controller (74), pump (72), and a one-way check valve (87) for adding additional sparging gas to a flame zone (62) of a combustion process in times of added load.

L'invention concerne un système de distribution permettant de générer un gaz de lavage contenant des particules de catalyse et à distribuer lesdites particules sur une zone de flamme (62) d'une réaction de combustion. Un récipient pour mélange de catalyse (2) destiné au système de distribution comprend un clapet de non-retour à sphère flottante (20) situé sur un orifice d'admission d'air (18) donnant sur un tube d'admission (8) du récipient (2), lequel est situé à distance d'une paroi verticale (12) du récipient (2). Un compartiment de barbotage secondaire (30) présentant une ouverture plus petite que le corps du compartiment est également inclus entre le corps principal du récipient (2) et l'orifice d'évacuation du gaz de lavage du récipient afin de réduire les chances que le mélange de catalyse (4) sous forme liquide n'atteigne l'orifice d'évacuation du gaz de lavage. L'invention concerne également un circuit d'enrichissement comprenant un contrôleur (74), une pompe (72) et un clapet de non-retour (87) servant à ajouter une quantité supplémentaire de gaz de lavage à la zone de flamme (62) d'un processus de combustion en cas de charge ajoutée.

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