B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 35/12 (2006.01) B01D 35/16 (2006.01) B01D 46/04 (2006.01) B01D 46/42 (2006.01)
Patent
CA 2633574
A fabric filter (1) has at least a first compartment (2) and a second compartment (4). A hopper (42) is adapted for fluidisation of dust collected in the compartments (2, 4) to form a bed (52) of fluidised dust. A partition wall (62) is located between the compartments (2, 4) to separate them from each other. A passage (68) is formed at a lower end (66) of the partition wall (62) such that fluidised dust may pass through said passage (68). The partition wall (62) is arranged to extend into the bed (52) of fluidised dust for forming a seal (74) even when one of the compartments (2, 4) has been shut off. When shutting off a compartment (4) the inlets and outlets to that compartment (4) are closed and the dust in the hopper (42) is fluidised to provide a seal (74) between the compartments (2, 4).
L'invention concerne un filtre en tissu (1) comprenant au moins un premier compartiment (2) et un second compartiment (4). Une trémie (42) est destinée à la fluidisation de la poussière collectée dans les compartiments (2, 4) en vue de la formation d'un lit (52) de poussière fluidisée. Une cloison (62) est disposée entre les compartiments (2, 4) de manière à les séparer l'un de l'autre. Un passage (68) est formé au niveau de l'extrémité inférieure (66) de la cloison (62) de sorte que la poussière fluidisée puisse traverser ledit passage (68). La cloison (62) est conçue pour s'étendre dans le lit (52) de poussière fluidisée de manière à former un joint (74), y compris lorsque l'un des compartiments (2, 4) a été fermé. Lors de la fermeture d'un compartiment (4), les entrées et les sorties de ce compartiment (4) sont fermées et la poussière dans la trémie (42) est fluidisée, d'où l'obtention d'un joint (74) entre les compartiments (2, 4).
Ahman Stefan
Bringfors Nils
Alstom Technology Ltd
Smart & Biggar
LandOfFree
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