Process for discharging a reactor

Details Process for discharging a reactor Process for discharging a reactor

1997-04-15

1999-08-17

McMahon, Timothy

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

198661, 198676, 526 88, 526901, F27B 1509

Patent

active

059390271

ABSTRACT:
A process for discharging a reactor characterized by reducing the volume of a powder without compacting it, including treating the powder in a densification zone including at least one Archimedes' screw arranged in a barrel. The Archimedes' screw may also have both a reduction in pitch and an increase in diameter of the shaft. The densification zone may also contain two co- or counterrotating screws arranged in a barrel and exhibiting a reduction in the pitch of the screws. Densification zones consisting of two co-rotating screws give particularly good results.

REFERENCES:
patent: 2921054 (1960-01-01), Kennedy
patent: 2924591 (1960-02-01), Roelen
patent: 3023203 (1962-02-01), Dye
patent: 3440238 (1969-04-01), Foglia
patent: 3580389 (1971-05-01), Nonnenmacher
patent: 4502820 (1985-03-01), Fujii et al.
patent: 4958006 (1990-09-01), Bernier et al.
patent: 5052874 (1991-10-01), Johanson
"Periodic Table Of The Elements"; Handbook of Chemistry and Physics, 50th edition, p. B-3, 1969-1970.
"Schneckenmachinen in der Verfahrenstechnik" (Screw Extruders for the Processing Technology), pp. 60-61, 121-128, 151-154.

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