Cyclone and fluidized bed reactor having same

Details Cyclone and fluidized bed reactor having same Cyclone and fluidized bed reactor having same

1996-11-13

1998-07-07

McMahon, Timothy

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

55430, 55431, 554591, 55466, 122 4D, 422139, 422144, 422146, 422147, F27B 1518

Patent

active

057764166

ABSTRACT:
A fluidized bed reactor comprises a reaction column, gas inflow means for flowing a gas upwardly from the lower end of the reaction column, particle feed means for feeding particles to a lower part of the reaction column, and a cyclone. The cyclone includes a cyclone body having an inlet, a gas outlet and a particle drop port, and a particle discharge pipe having an upper end communicating with the particle drop port of the cyclone body. A main fluidized bed of particles fed by the particle feed means is formed at the lower part of the reaction column, and a gas, which is to be discharged from the reaction column and which is accompanied by particles, is introduced from the inlet into the cyclone body and discharged from the gas outlet of the cyclone body. The particle discharge pipe of the cyclone communicates with the lower part of the reaction column. The cyclone further includes sealing means for feeding a sealing gas to the particle discharge pipe to generate a gas stream ascending through the particle discharge pipe, and to produce a sealing fluidized bed of particles separated from the gas in the cyclone.

REFERENCES:
patent: 4687497 (1987-08-01), Owen et al.
patent: 4946656 (1990-08-01), Ross et al.
patent: 5271905 (1993-12-01), Owen et al.
patent: 5552120 (1996-09-01), Sechrist et al.
patent: 5612003 (1997-03-01), Huemann

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