Gas distributor for use in gas phase polymerization apparatus

Details Gas distributor for use in gas phase polymerization apparatus Gas distributor for use in gas phase polymerization apparatus

1993-11-26

1995-01-17

Rivell, John

Fluid handling

Systems

422135, 422143, 422311, 432 58, B01J 820, C08F 234

Patent

active

053818270

ABSTRACT:
For use in gas phase polymerization apparatus having an agitator in a fluidized bed polymerization reactor, the present invention provides a gas distributor which has holes, and caps covering the respective holes from above and each having an opening oriented in a substantially horizontal direction at an angle of about 90 to about 135 deg with, and outwardly of, a tangent to a circle centered about the center of the reactor whereby an increase in the gas solid ratio can be prevented in the region above the distributor to ensure efficient discharge of the polymer produced, and the polymer particles can be prevented from falling into a gas room thereunder.

REFERENCES:
patent: 4521378 (1985-06-01), Ichimura et al.
patent: 4877587 (1989-10-01), Rhee et al.
patent: 5296265 (1994-03-01), Okuma et al.

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