C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/127
C10G 11/18 (2006.01) B01J 8/18 (2006.01)
Patent
CA 1313837
"METHOD AND APPARATUS FOR ATOMIZING LIQUID FLUIDS FOR CONTACT WITH FLUIDIZED PARTICLES" ABSTRACT A liquid feed injector or use in contacting a stream of fluidized particles with a finely dispersed liquid uses a gaseous stream and sequential mixing stages of increased severity to fully atomize the liquid portion of the combined liquid and gaseous stream. Sequential mixing consists of a first mild mixing that takes place in a mild mixing zone and blends the liquid and gaseous material into a substantialuniform mixture. The uniform mixture of liquid and gaseous material passes through another stage of vigorous mixing where the liquid is sheared and gas is dispersed throughout the liquid to produce a homogeneous mixture of fine gas bubbles dispersed in the liquid. The homogeneous liquid and gas mixtures are then discharged through one or more discharge nozzles to effect atomization and distribution of the liquid in a suspension of fluidized solids. The sequential stages of increased severity mixing allow automization of the liquid into fine droplets with a reduced pressure drop across the discharge nozzles. In a highly preferred form, the liquid injector includes provisions for injecting two fluid stream into a suspension of fluidized solids at two discrete locations.
600252
Macrae & Co.
Uop
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