Chemistry: physical processes – Physical processes – Crystallization
Patent
1974-01-31
1976-08-03
Scovronek, Joseph
Chemistry: physical processes
Physical processes
Crystallization
214 17CB, 239687, B01J 802, B65G 6530
Patent
active
039726860
ABSTRACT:
A device for loading catalyst particles into a reaction zone which distributes said particles, at substantially the same rate, uniformly across the catalyst bed area of said zone. The catalyst particle loading device is employed in combination with a catalytic reaction zone. The catalyst particle loading device comprises a hopper having a conical bottom portion provided with an opening at its lower end. The opening is in communication with a catalytic reaction zone. A vertically movable hollow sleeve is coaxially disposed within the hopper. The sleeve has a lower conical end portion which forms with the conical bottom portion of the hopper a throttle valve for the opening. A rotary shaft is coaxially disposed within the sleeve and extends through the opening at the lower end of the hopper and into the upper portion of the reaction zone. A particle-dispersion wheel is attached to the lower end of the shaft below the opening.
REFERENCES:
patent: 2670946 (1954-03-01), Royster
patent: 2854161 (1958-09-01), Payne
patent: 3064833 (1962-11-01), Von Ruden
patent: 3668115 (1972-06-01), Uhl et al.
patent: 3804273 (1974-04-01), Uhl
Johnson James A.
Wesler Hugh R.
Hoatson Jr. James R.
Hollander Barry I.
McBride Thomas K.
Page II William H.
Scovronek Joseph
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