System and method for controlling emissions created by...

Details System and method for controlling emissions created by... System and method for controlling emissions created by...

E - Fixed Constructions

01

C

E01C 19/17 (2006.01) B01D 46/42 (2006.01) B01D 46/54 (2006.01) B01D 50/00 (2006.01)

Patent

CA 2152159

A system (10) and a method for controlling emissions caused by spraying liquids from a moving vehicle (14) onto a pavement surface use a vacuum hood (16) mountable to the vehicle and a fan (28) for creating a partial vacuum within the hood to draw air containing emissions into the hood for collection. A filter (20) or other suitable apparatus is used to extract the emissions before the air is discharged to the atmosphere. The vacuum hood is located above the sprayed surface and is preferably located behind the nozzle (12). It has a primary opening (22) at its forward end for collection of air adjacent the nozzle and a smaller, auxiliary opening (24) behind the primary opening.

L'invention se rapporte à un système (10) et à un procédé permettant de réguler des émissions de liquides pulvérisés d'un véhicule en mouvement (14) sur une surface de la chaussée au moyen d'un caisson sous vide (16) pouvant se fixer au véhicule, et d'un ventilateur (28) créant un vide partiel dans le caisson afin d'aspirer l'air contenant les émissions du caisson de récupération. Un filtre (20) ou autre appareil approprié est utilisé pour extraire les émissions avant l'évacuation de l'air dans l'atmosphère. Le caisson sous vide est placé au-dessus de la surface pulvérisée et est situé de préférence derrière l'ajutage (12). Il possède une ouverture principale (22) au niveau de son extrémité arrière pour récupérer l'air adjacent à l'ajutage et une ouverture auxiliaire (24), plus petite, située derrière l'ouverture principale.

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