Feed injector for coking for chemicals

Claim 1

A PROCESS FOR COKING HIGH BOILING HYDROCARBON OILS WHICH COMPRISES PASSING A DILUTE GASEOUS SUSPENSION OF CATALYTICALLY INERT HOT FINELY DIVIDED SOLIDS OF UP TO 5 LBS. PER CUBIC FOOT DENSITY UPWARDLY THROUGH A TRANSFER LINE REACTION ZONE, PREHEATING HYDROCARBON OIL FEED, PASSING SAID PREHEATED OIL STREAM THROUGH A CONFINED STRAIGHT AXIAL PASSAGEWAY TERMINATING IN AN ORIFICE WITHIN SAID REACTION ZONE AND WITHIN SAID DILUTE SUSPENSION OF SOLIDS AND IMPARTING CENTRIFUGAL FORCE TO A PORTION OF SAID OIL STREAM TO FORM A HOLLOW CYLINDRICAL OIL FILM MOVING ALONG THE INNER WALL OF SAID AXIAL PASSAGEWAY ADJACENT AND TOWARD ITS OUTLET END, PASSING GASIFORM MATERIAL THROUGH A CONFINED ANNULAR PASSAGEWAY SURROUNDING SAID AXIAL PASSAGEWAY AND THEN THROUGH A CONSTRICTING PASSAGEWAY DIRECTED TOWARD SAID ORIFICE TO PRODUCE A HIGH VELOCITY JET OF GASIFORM MATERIAL TRANSVERSELY ACROSS SAID HOLLOW CYLINDRICAL OIL FILM LEAVING SAID ORIFICE TO ATOMIZE SAID OIL FILM INTO A FOG OF OIL DROPLETS AND TO DISPERSE SAID OIL DROPLETS IN SAID REACTION ZONE AND ON THE HOT CATALYTICALLY INERT FINELY DIVIDED SOLIDS PASSING UPWARDLY THROUGH SAID REACTION ZONE SO THAT CRACKING AND COKING OF SAID HYDROCARBON OIL ARE EFFECTED BY CONTACT WITH SAID HOT INERT SOLIDS.