Appeal No. 1997-4385
Application No. 08/288,864
We AFFIRM-IN-PART.
The subject matter on appeal is disclosed as a fluidized
bed reactor 10 having a furnace section 22 and a horizontal
cyclone separator 28 defining a generally cylindrical vortex
chamber 30 for separating solid particles from a mixture of
gases and particles. In operation, a mixture of entrained
particles and gases rises upwardly within the furnace section
22 and passes through an inlet 32 into the vortex chamber 30
where the solid particles strike the inner surfaces of the
vortex chamber 30 and are separated from the gases. The gases
exit the chamber 30 via an outlet 36 while the separated
particles fall downwardly by gravity into a funnel 35 and are
returned to the furnace section via an outlet trough 34. A
solids deflector 38 extends into the vortex chamber from an
end wall 18 of the chamber for preventing separated particles
from bouncing off the end wall and becoming re-entrained in
the separated gases. A solid block 33 is disposed adjacent
the inlet opening 32 for defining an inlet passage for
directing the mixture of entrained particles and gases into
the vortex chamber 30 in a tangential direction thereto.
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