Mini-cyclone biocollector and concentrator

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 21/26 (2006.01) B01D 17/00 (2006.01) B01D 45/16 (2006.01) B01D 50/00 (2006.01) B04C 5/18 (2006.01) B04C 5/23 (2006.01) B04C 5/28 (2006.01) B04C 9/00 (2006.01)

Patent

CA 2412443

Multiple mini cyclones operating in parallel in radial geometry or in a bipolar or unipolar longitudinal design to reduce the size and velocity of an airstream containing large and small particles through the cyclones while maintaining the same flow rate as compared to one large cyclone. A blower or vacuum pump draws the airstream into the cyclones through tangential radial inlets (40) and the airstream swirls downwardly. A portion of the airstream carrying the small particles reverses direction and leaves the cyclones through an upper vent assembly (50). A remaining portion of the airstream carrying the large particles continues downwardly as well as outwardly towards walls of the cyclones; the airstream exits at a bottom apex while the large particles stick to the walls. Liquid is pumped into the cyclones from a liquid reservoir (10) to flush the large particles into the reservoir (10). The liquid is continuously recirculated and can be monitored for toxic microorganisms.

L'invention concerne de multiples mini-cyclones fonctionnant en parallèle, en géométrie radiale ou dans une position longitudinale bipolaire ou unipolaire qui permettent de réduire la dimension et la vitesse d'un flux d'air contenant de grandes et petites particules traversant les mini-cyclones tout en maintenant le même débit par rapport à un seul grand cyclone. Une soufflante ou une pompe à vide aspire le flux d'air dans les cyclones à travers des entrées radiales tangentielles (40) et ce flux d'air descend en spirale. Une partie du flux d'air transportant les petites particules prend la direction inverse et quitte les cyclones en traversant un ensemble évent supérieur (50). Une partie restante du flux d'air transportant les grandes particules continue à descendre vers l'extérieur en direction des parois des cyclones ; le flux d'air sort à une extrémité inférieure tandis que les grandes particules se collent aux parois. Le liquide est pompé dans les cyclones depuis un réservoir de liquide (10) pour chasser les grandes particules dans le réservoir (10). Le liquide est continuellement remis en circulation et peut être contrôlé pour détecter la présence de micro-organismes toxiques.

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