Fluidized bed reactor with protected fluid distributor

Patent · Tue Jul 27 04:00:00 EDT 1993

OSTI ID:6277472

Engstrom, F

A fluidized bed reactor is described comprising: a reactor chamber having substantially vertical side walls for laterally confiding a bed of fluidized particulate material; a gas distributor plate disposed in said reactor chamber; nozzle means for supplying fluidizing gas through said gas distributor plate into the reactor chamber; means for supplying fluid into said reactor chamber at a level above said gas distributor plate, said fluid supplying means comprising at least one fluid conduit extending horizontally from one side wall substantially perpendicularly to said side wall into the reactor chamber at a level between about 100-1,000 mm above said fluidizing gas supplying nozzle means, and less than one-half the dimension of the reactor chamber from said one side wall to an opposite side wall; and means for covering said fluid conduit, said covering means comprising an upright partition mounted on said gas distributor plate and extending from said one side wall substantially the entire length of said fluid conduit into said reactor chamber.

• Assignee: A. Ahlstrom Corp., Karhula (Finland)
• Patent Number(s): US 5230868; A
• Application Number: PPN: US 7-332730
• OSTI ID: 6277472
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320303* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Equipment & Processes
CHEMICAL REACTORS
DESIGN
DISTRIBUTION
FLUID FLOW
FLUIDIZATION
FLUIDIZED BEDS
FLUIDS
GAS FLOW
NOZZLES
OPERATION
PARTICLES
PARTICULATES