Method and device for the regulated feed of supply air

Details Method and device for the regulated feed of supply air Method and device for the regulated feed of supply air

A - Human Necessities

62

C

A62C 99/00 (2010.01)

Patent

CA 2652772

The invention relates to a device and a method for the regulated supply of incoming air into a permanently inert area (10) in which a pre-defined inerting level is adjusted or to be adjusted and maintained in a certain regulating range. The aim of the invention is to be able to maintain the prescribed air regeneration rate for the permanently inert area (10), and to permanently effectively eliminate the risk of fire in the area (10), in the most effective and economical way possible. To this end, a value is associated with the volume flow rate (VN2) at which an inert gas is supplied to the air atmosphere in the area, which is sufficient to maintain the prescribed inerting level in the air atmosphere of the space. Furthermore, only as much fresh air is supplied to the air atmosphere of the area as is directly required to remove the pollutant part from said air atmosphere, which has not already been eliminated by the supply of the inert gas via a corresponding outgoing air discharge system (4).

L'invention concerne un procédé et un dispositif de régulation d'une alimentation en air frais dans un espace (10) inertisé en permanence, dans lequel un niveau d'inertisation prescrit est réglé ou à régler et maintenu dans une plage de régulation définie. L'invention vise, de manière la plus efficace et la plus rentable possible, d'une part à respecter le taux de renouvellement d'air prescrit pour l'espace (10) inertisé en permanence, et d'autre part, à réduire avec efficacité et en permanence le risque d'incendie dans ledit espace (10). A cet effet, le débit volumétrique (V<SUB>N2</SUB>) du gaz inerte alimentant l'atmosphère d'air de l'espace a une valeur suffisante pour maintenir le niveau d'inertisation prescrit dans l'atmosphère d'air de l'espace. En outre, l'atmosphère d'air de l'espace n'est alimenté en air frais qu'en quantité nécessaire pour extraire les substances nocives de l'atmosphère d'air de l'espace qui n'ont pas été éliminées par l'apport de gaz inerte au moyen d'un système d'évacuation d'air vicié (4) correspondant.

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