Improved FCC vessel and cyclone apparatus

Details Improved FCC vessel and cyclone apparatus Improved FCC vessel and cyclone apparatus

1982-05-26

1984-05-01

Lacey, David L.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

Control element directly mechanically linked to separate sensor

55432, 55459R, 422114, 422147, B01J 826, C10G 1318, B01D 4512

Patent

active

044461070

ABSTRACT:
A fluid catalytic cracking vessel having cyclone separators which have cyclone diplegs. The diplegs have valve plates which are inclined, in the closed position, at an angle of about 30.degree. to about 60.degree. with respect to the vertical axis of the respective diplegs.

REFERENCES:
patent: 2698224 (1954-12-01), Brooke
patent: 2760595 (1956-08-01), Pynor
patent: 3489111 (1970-01-01), Montgomery
patent: 3661799 (1972-05-01), Cartmell
patent: 4043899 (1977-08-01), Anderson et al.
patent: 4118338 (1978-10-01), Gross et al.
patent: 4220623 (1980-09-01), Jahnke et al.
patent: 4273565 (1981-06-01), Worley
F. A. Zenz, "Cyclone Collectors", Particulate Solids Research, Inc., SA-24, Jul. 1, 1981, pp. 2-82 to 2-94.
Zenz et al., "Particle Carry-Over from Fluidized Beds", Fluidization and Fluid-Particle Systems, Rheinhold Publishing Corporation, pp. 410-415, 1960.

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