Apparatus for mixing cracking catalyst with a fluid hydrocarbon

Details Apparatus for mixing cracking catalyst with a fluid hydrocarbon Apparatus for mixing cracking catalyst with a fluid hydrocarbon

1986-11-25

1987-12-08

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

422142, 422144, 422145, 422214, C10G 1118

Patent

active

047117664

ABSTRACT:
The present invention relates to a plug valve which effects the immediate and intimate mixing of fluidizable cracking catalyst with a fluid hydrocarbon in a riser reactor. Further, a stationary guide tube is located around a portion of the plug valve stem so as to define an upper and a lower annular compartment which are separated by a bushing. Bushings also define the upper end of the upper compartment and the lower end of the lower compartment. Each of the annular compartments has a bleed medium conduit connected thereto.

REFERENCES:
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patent: 2850364 (1958-09-01), Dowling
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patent: 2900329 (1959-08-01), Osborn et al.
patent: 2900330 (1959-08-01), Skelly
patent: 3142542 (1964-07-01), Schwarzenbek et al.
patent: 3142543 (1964-07-01), Slyngstad et al.
patent: 4427537 (1984-01-01), Dean et al.
patent: 4526046 (1985-12-01), Hays et al.

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