E - Fixed Constructions – 21 – F
Patent
E - Fixed Constructions
21
F
E21F 5/02 (2006.01) B01D 47/06 (2006.01) E21C 35/22 (2006.01) E21F 5/20 (2006.01)
Patent
CA 2494994
A wet and a wet dry dust removal apparatus, the latter for drilling applications including a housing, adapted to contain powered air induction means to induct air contaminated with particulate matter, water spraying means adapted to spray a mist of water into the induced air stream to capture the particulate matter, water removal means adapted to remove water droplets containing the particulate matter, the water removal means positioned in the housing at an oblique or parallel angle to the direction of the air flow thereby increasing the surface area for removing the water droplets, wherein the paralleled or angled position and increased surface area reduces the air pressure and velocity required to remove dust for a given volume of air, so that the energy consumption of the air induction means is reduced.
L'invention porte sur des extracteurs humides et humides/secs de poussières (ce dernier servant pour des forages) comportant: une enceinte munie de moyens de propulsion de l'air chargé de particules polluantes; des moyens de pulvérisation d'eau sous forme de brouillard dans le flux d'air polluant pour en capturer les particules; et des moyens d'évacuation des gouttelettes d'eau contenant les particules polluantes, placés dans l'enceinte parallèlement ou obliquement par rapport à la direction du flux d'air de manière à accroître la surface d'évacuation des gouttelettes, cette disposition réduisant la pression et la vitesse du flux d'air requises pour dépoussiérer un volume d'air donné, et par-là, la consommation d'énergie du moyen de propulsion de l'air chargé.
Borden Ladner Gervais Llp
Johnson Leslie Vincent Peddle
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