Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Fluidized bed
Patent
1993-05-26
1996-07-30
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Fluidized bed
422147, 122 4D, 16510416, 16510418, 110245, F27B 1514, F27B 1516, F27B 1508
Patent
active
055408940
ABSTRACT:
Particles in a fluidized bed reactor (e.g. a circulating fluidized bed reactor) are discharged from the reactor chamber and then cooled (heat is recovered from them) in a processing chamber. This is accomplished in a particularly advantageous way by discharging the particles from the reactor chamber at a first level (e.g. through a non-mechanical seal or a classifying wall) into a lifting chamber. Upwardly flowing gas in the lifting chamber entrains the particles and lifts them into the processing chamber. After processing, the particles in the processing chamber are returned to the reactor chamber at level higher than the first level, at which point the pressure in the processing chamber is higher than the pressure in the reactor chamber. The particles may be classified in the lifting chamber by utilizing fluidizing gas to transport solid particles smaller than a predetermined size to the processing chamber while discharging larger particles from the bottom of the lifting chamber.
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A. Ahlstrom Corporation
Bhat N.
Warden Robert J.
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