Low vortex spin vanes for burners and overfire air ports

Details Low vortex spin vanes for burners and overfire air ports Low vortex spin vanes for burners and overfire air ports

F - Mech Eng,Light,Heat,Weapons

23

D

F23D 14/70 (2006.01) F23D 1/02 (2006.01) F23L 9/00 (2006.01) F23R 3/58 (2006.01)

Patent

CA 2197945

A spin vane for burners and over fire air ports in a furnace comprise a sheet-like vane element having a base and an extension extending perpendicularly off the base on the low pressure side of the vane element. The extension reduces the formation and propagation of vortices on the low pressure side of the vane, increasing flow efficiency and reducing pressure loss across the spin vanes.

Pale tournante destinée à un brûleur et aux arrivées d'air de combustion d'une chambre de combustion. Elle comprend une pale proprement dite en forme de feuille munie d'une base et d'un prolongement se déployant perpendiculairement au niveau de la base et qui s'en éloigne du côté basse pression de la pale. Ce prolongement limite la formation et la mise en circulation de tourbillons fixes du côté basse pression de l'aile, ce qui augmente l'efficacité du courant et réduit la perte de pression lorsque ce courant d'air traverse les pales tournantes.

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