Fluidized bed gasification process with agglomerated solids removal

Patent · Mon Jan 17 23:00:00 EST 1983

OSTI ID:6408255

Vorres, K S

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.

• Assignee: Institute of Gas Technology
• Patent Number(s): US 4369045
• OSTI ID: 6408255
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010404 -- Coal
Lignite
& Peat-- Gasification
014000* -- Coal
Lignite
& Peat-- Combustion
AGGLOMERATION
ASHES
COAL GASIFICATION
DESIGN
FLUIDIZED BED REACTORS
FUEL DISPERSION REACTORS
GASIFICATION
HOMOGENEOUS REACTORS
REACTORS
REMOVAL
RESIDUES
THERMOCHEMICAL PROCESSES
VENTURI TUBES