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US 8,282,885 B2Granted
Recessed gas feed distributor apparatus for FCC riser
AssigneeUop LLC
InventorsPaolo Palmas, Paul S. Nishimura
Life of this patent
Estimating the term…
Abstract
An FCC apparatus may include a distributor disposed in a recess in a wall of the riser for distributing gaseous hydrocarbon feed to a riser. The distributor may be shielded from upwardly flowing catalyst by a shield. An array of nozzles from the distributor may extend through openings in the shield.
Claims17
A hydrocarbon feed distributor for fluid catalytic cracking apparatus comprising:
- a hydrocarbon feed pipe;
- a tubular header connective with said hydrocarbon feed pipe, said header having a round longitudinal axis, said hydrocarbon feed pipe connecting to a middle of said header and said header has two rounded arms extending from said middle;
- an array of nozzles extending from said header and in communication with said hydrocarbon feed pipe.
A fluid catalytic cracking apparatus comprising:
- a riser having a wall;
- a recess in said wall surrounding said riser;
- and
- a feed distributor disposed in said recess, said feed distributor comprising:
- a tubular header connective with a hydrocarbon feed pipe, said header having a round longitudinal axis, an array of nozzles extending from said header and a first side of said header having a flat face and said nozzles extending from said flat face.
2 more elements
A fluid catalytic cracking apparatus comprising:
- a riser having a wall;
- a recess in said wall surrounding said riser;
- a feed distributor disposed in said recess, said distributor comprising a tubular header having a round longitudinal axis, and an array of nozzles extending from said header;
- and
- a shield secured to said header and said nozzles extending into said shield.
2 more elements
Dependencies are inferred from the claim text.