FCC feed injector

Mineral oils: processes and products – Chemical conversion of hydrocarbons – Solids contacting and mixing

Patent

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Details

208153, 239594, 239597, 422140, B01J 820, F27B 1508

Patent

active

051731754

ABSTRACT:
This invention is directed to a feed injector for a fluid catalytic cracking reaction zone, which feed injector provides improved oil atomization and dispersion. The injector comprises a straight-pass conduit section, in which a feed oil and steam are premixed, and a terminal section, where the oil is atomized and dispersed by a generally fan-shaped distributor. The feed injector produces a substantially flat spray pattern across the direction of catalyst flow in the catalyst/oil contacting section of the catalytic cracking reaction zone. Improved product yield and lower coke and light gas yields are obtained.

REFERENCES:
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patent: D237117 (1975-10-01), Orsoff
patent: 1007325 (1911-10-01), Bohme
patent: 1015232 (1912-01-01), Keller et al.
patent: 1588503 (1926-06-01), Spigelmire
patent: 2959537 (1960-11-01), Welty, Jr.
patent: 3015336 (1962-01-01), Caples
patent: 3152065 (1964-10-01), Sharp et al.
patent: 3288377 (1966-11-01), van de Roer
patent: 4427537 (1984-01-01), Dean et al.

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