B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 46/02 (2006.01) B01D 46/42 (2006.01)
Patent
CA 2148501
21 A B S T R A C T The bag (1) for filtering dust-laden gas in a bag filter that extends between a perforated plate (22) having holes (23) and support and positioning means adjacent to a far end (17) of a filter box, is in the form of a tubular bag made from a U-shaped tube (1) having a flexible filtering wall that is permeable to the gas but that retains the dust transported thereby, the gas penetrating into the bag (1) and flowing in filtered form to an end opening (1f) of the wall that opens out in a hole (23) of the plate (22). The U-shaped tube of the bag (1) is mounted in the enclosure in such a manner as to present two tubular filtering lengths (1a, 1b) that are substantially parallel, with the base (1c) thereof being pinched to form a substantially gastight joint and being disposed towards the far end (17) of the enclosure. The invention is applicable to bag filters for cleaning dusty premises, and to filtering discharges made to the outside.
La manche (1) de filtrage de gaz empoussiéré, pour filtre à manches s'étendant entre une plaque (22) à trous (23) et des moyens de support et positionnement voisins du fond (17) d'un caisson de filtre, est une manche tubulaire constituée d'un tube en U (1) à paroi de filtration souple, perméable au gaz mais retenant les poussières transportées par ce deriner, qui pénètre dans la manche (1) et s'écoule dépoussiéré jusqu'à une ouverture d'extrémité (1f) de la paroi débouchant dans un trou (23) de la plaque (22). Le tube en U de la manche (1) est monté dans l'enceinte de sorte à présenter deux tronçons tubulaires de filtration (1a, 1b), sensiblement parallèles et dont la base (1c) est resserrée pour former un joint sensiblement étanche au gaz et disposé vers le fond (17) de l'enceinte. Application aux filtres à manches pour l'assainissement de locaux empoussiérés, et la filtration des rejets vers l'extérieur.
Carre Serge
Montaclair Jean-Paul
Goudreau Gage Dubuc
Hamon Industrie Thermique
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