SISTEMA PARA EXTRAER, EN UN RECINTO, PARTICULAS SOLIDAS EN LECHO FLUIDIFICADO

The invention relates to a sampling method and apparatus for a fluidized bed of particles in an enclosure, comprising a sampling riser pipe (4) that communicates with the enclosure (1) below the upper surface of the fluidized bed and forms an extension thereof and has a restriction (5) adapted to li...

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Bibliographic Details
Main Authors MENGUS, CHARLES, MAULEON, JEAN-LOUIS, VILLE, FRANCOIS
Format Patent
LanguageSpanish
Published 01.12.1991
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:The invention relates to a sampling method and apparatus for a fluidized bed of particles in an enclosure, comprising a sampling riser pipe (4) that communicates with the enclosure (1) below the upper surface of the fluidized bed and forms an extension thereof and has a restriction (5) adapted to limit the sampling flow rate, and means (14, 15) provided for injecting a compressed gas at an adjustable flow rate into the pipe (4) between the enclosure (1) and the restriction (5) with a view to controlling, by appropriate regulation of the flow rate of the gas, the quantity of particles withdrawn.
Bibliography:Application Number: ES19880402578T