Fluidized bed gasifier or similar device for simultaneous classi

Details Fluidized bed gasifier or similar device for simultaneous classi Fluidized bed gasifier or similar device for simultaneous classi

1982-09-30

1984-03-06

Kratz, Peter F.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

34 57A, 48 63, 48 77, 209138, C10J 356, F27B 1500

Patent

active

044353642

ABSTRACT:
An apparatus for withdrawing agglomerated solids, e.g. ash, from a fluidized bed of finely divided solid hydrocarbonaceous material, e.g. coal, is described. Agglomeration is effected by a high temperature reaction between the inorganic constituents of the hydrocarbonaceous material in the fluidized bed environment. A venturi is utilized to serve as a passage for withdrawing the agglomerated solids from the fluidized bed. Spiral or other descending ridges are positioned on the interior surface of the constricted cylindrical opening of the venturi to permit variable and increased rates of agglomerate discharge with improved separation and classification of the solid materials.

REFERENCES:
patent: 2856264 (1958-10-01), Dunn
patent: 4057402 (1977-11-01), Patel et al.
patent: 4153558 (1979-05-01), Frykhult

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