Solid separator especially for a combustion facility

Details Solid separator especially for a combustion facility Solid separator especially for a combustion facility

B - Operations, Transporting

01

D

B01D 45/06 (2006.01) B01D 45/08 (2006.01)

Patent

CA 2639901

The invention relates to a separator of solids intended for separating first and second solids, the diameter and density of the first solids being larger than the diameter and density of the second solids, and including a first substantially vertical internal baffle (2) forming a passage in the low portion of the separator and which forms two compartments (1A, 1B) on the passage of the fluidized solids, the fluidization of each compartment being independently controlled by two fluidization gas inlets (3A, 3B), in order to obtain the desired velocity field for separating the first and second solids in the first compartment (1A) and discharging the second solids through a vent (8), as well as for transferring the first solids into the second compartment (1B). According to the invention, said first baffle (2) is provided on at least one of its substantially vertical faces with fluidization gas ejectors (E2) and the first compartment (1A) is equipped with an internal obstacle arrangement deflecting the path of the solids and at least partially provided with fluidization gas ejectors (E4A) directed towards said first baffle (2).

L'invention concerne un séparateur de solides destiné à la séparation de premiers et de deuxièmes solides, le diamètre et la densité des premiers solides étant supérieurs au diamètre et à la densité des seconds solides, et comprenant une première chicane interne (2) en grande partie verticale formant un passage dans la partie basse du séparateur et créant deux compartiments (1A, 1B) sur le passage des solides fluidisés, la fluidisation de chaque compartiment étant indépendamment contrôlée par deux entrées (3A, 3B) de gaz de fluidisation, afin d'obtenir le champ de vitesse désiré pour séparer les premiers et les deuxièmes solides dans le premier compartiment (1A) et évacuer les deuxièmes solides par un orifice (8), ainsi que pour transférer les premiers solides dans le deuxième compartiment. Selon l'invention, ladite première chicane (2) est équipée sur au moins une de ses parois en grande partie verticales d'éjecteurs de gaz de fluidisation (E2) et le premier compartiment (1A) est doté d'un arrangement d'obstacles internes permettant de dévier la trajectoire des solides et aussi doté au moins en partie d'éjecteurs de gaz de fluidisation (E4A) dirigés vers ladite première chicane (2).

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