Device for spraying a fluid using the air blast effect

Details Device for spraying a fluid using the air blast effect Device for spraying a fluid using the air blast effect

B - Operations, Transporting

05

B

B05B 7/00 (2006.01) A01M 7/00 (2006.01) B05B 7/04 (2006.01) F23G 7/08 (2006.01)

Patent

CA 2754014

The invention relates to a device for spraying different fluids, in particular water, using the air blast effect. The invention relates to a device that allows the spraying of a fluid to be improved, using a portion of the air blast intended to scatter said fluid. The device comprises: a low-pressure airflow generator (1) supplied by the ambient air (6) and capable of generating a high-flow-rate compressed air blast in an aerodynamic stream (5); and pre-mixing chambers (7, 12) supplied with compressed air by tapping a portion of the flow at the outlet of the stream using nozzles (12) provided with aerodynamic swirlers having known effects, which swirlers assist the spraying of the fluid by pressurised ejectors.

Dispositif de projection de fluides divers et en particulier d'eau, par effet de souffle d'air. L'invention concerne un dispositif permettant de mieux pulvériser le fluide que l'on désire projeter en utilisant une partie du souffle d'air qui est destiné à le diffuser. Le dispositif est constitué : d'un générateur de flux d'air, basse pression, alimenté par l'air ambiant, capable de créer un souffle d'air comprimé de haut débit dans une veine aérodynamique; de chambres de pré- mélange, alimentées en air comprimé par piquage d'une partie du flux au sortir de la veine à l'aide de buses, équipées de tourbilloneurs aérodynamiques (Swirler) dont les effets connus, viennent compléter la pulvérisation du fluide réalisée par des gicleurs sous pression.

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