Fluidized bed gasification process with agglomerated solids remo

Details Fluidized bed gasification process with agglomerated solids remo Fluidized bed gasification process with agglomerated solids remo

1981-07-29

1983-01-18

Kratz, Peter F.

Gas: heating and illuminating

Processes

Fuel mixtures

48203, 48206, 48210, 34 10, C10J 354

Patent

active

043690459

ABSTRACT:
A process 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.

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