A barrier apparatus for resisting passage of harmful gases...

A - Human Necessities – 62 – C

Patent

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Details

A62C 2/08 (2006.01) A62C 3/00 (2006.01) E06B 5/00 (2006.01)

Patent

CA 2368219

The invention relates to a barrier apparatus for resisting passage of harmful gases from a space through a substantially vertical opening having a top, a bottom and lateral sides, the barrier apparatus comprising a suction arrangement for sucking gases and blowing arrangement for creating a flow of a medium. In order to effectively process harmful gases even in large spaces, the suction arrangement comprises at least one suction port (1) located near the top of the opening to provide blowing substantially along the width of the open opening, the blowing arrangement comprises at least one blowing port (5) located near the bottom of the opening to provide blowing substantially along the width of the opening, a fluid coupling (8, 9) coupled between the suction arrangement and the blowing arrangement being provided and defining a fluid path between the suction port (1) and the blowing port (5), a spraying device (3) being arranged in the fluid path for driving gas from the suction port to the blowing port and being arranged for spraying a liquid in the fluid path for purify purifying and/or cooling media flowing through the fluid path. The invention also relates to a method of guiding and processing harmful gases near a doorway.

Cette invention porte sur un appareil faisant barrière utilisé pour bloquer l'écoulement de gaz nocifs dans un orifice pratiquement vertical comportant une partie supérieure, un fond et des faces latérales. Cet appareil comporte un dispositif d'aspiration permettant d'aspirer les gaz et un dispositif de refoulement permettant de générer l'écoulement d'un milieu. Afin de procéder à un traitement efficace des gaz nocifs, même dans de grands espaces, le dispositif d'aspiration comporte au moins un port (1) d'aspiration placé près de la partie supérieure de l'orifice de façon à générer un refoulement sur la largeur de l'orifice ; un coupleur hydraulique (8, 9) couplé entre le dispositif d'aspiration et le dispositif de refoulement et formant une voie fluidique entre le port (1) d'aspiration et le port (5) de refoulement ; un dispositif (3) de pulvérisation disposé dans la voie fluidique de façon à entraîner le gaz du port d'aspiration au port de refoulemen, et à pulvériser un liquide dans la voie fluidique afin de purifier et/ou refroidir le milieu de refroidissement s'écoulant dans la voie fluidique. Cette invention porte également sur un procédé de guidage et de traitement de gaz nocifs à proximité d'une entrée de porte.

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