Bed sampler for a high-temperature fluidized bed

Details Bed sampler for a high-temperature fluidized bed Bed sampler for a high-temperature fluidized bed

1984-08-31

1986-06-10

Beck, Shrive P.

Coating processes

Particles, flakes, or granules coated or encapsulated

Solid encapsulation process utilizing an emulsion or...

118303, 118716, 4272555, 427249, B05C 308, B05C 304

Patent

active

045942706

ABSTRACT:
Fluidized bed apparatus for use in applying a coating, having a relatively lesser density to particles, having relatively greater densities, by causing passage of a gaseous atmosphere through a bed of the particles. The apparatus includes an enclosure for holding and heating a bed of the particles. A valve network for causing the flow of the gaseous atmosphere carrying a material for forming the coating upward though the bed of particles to fluidize the particles, is provided. The apparatus further includes a conveyor for adding seed particles to the bed and a spillover for removing particles from the bed upon its achieving a predetermined level to limit the height of the bed. The apparatus also has a selectively operable sampler for removing sample of the contents of the bed at a level below the predetermined maximum level.

REFERENCES:
patent: 3179378 (1965-04-01), Zenz et al.
patent: 3977896 (1976-08-01), Bokros et al.
patent: 4011832 (1977-03-01), Westervelt et al.
patent: 4100883 (1978-07-01), Lupinski et al.
patent: 4217127 (1980-08-01), Kono et al.

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