Device and method for stabilising the pressure and the flow...

Details Device and method for stabilising the pressure and the flow... Device and method for stabilising the pressure and the flow...

F - Mech Eng,Light,Heat,Weapons

23

D

F23D 14/10 (2006.01) F23D 14/70 (2006.01)

Patent

CA 2707274

The invention relates to a gas burner comprising a perforated cylindrical wall used as a combustion surface, a bottom wall and an inlet opening through which a combustible gaseous mixture is fed inside the burner. The stabilisation device consists of a grid (4a) that can be positioned in the inlet opening of the burner, and that comprises a central ring (5a) surrounded by a series of diverting vanes (6), the grid being thus configured so as to allow the free passage of the central portion of the flow of gaseous mixture entering the burner through the central ring (5a) while said diverting vanes (6) generate an eddy movement in the peripheral portion of the flow entering the burner from the outside of the central ring (5a).

L'invention s'applique à un brûleur à gaz comportant une paroi cylindrique perforée faisant office de surface de combustion, une paroi de fond et une ouverture d'entrée par laquelle un mélange gazeux combustible est introduit à l'intérieur du brûleur; le dispositif de stabilisation consiste en une grille (4a) apte à être positionnée dans l'ouverture d'entrée du brûleur, comportant un anneau central (5a) entouré d'une série de pales dèflectrices (6), cette grille étant ainsi conformée qu'elle autorise le libre passage de la partie centrale du flux de mélange gazeux pénétrant dans le brûleur à travers l'anneau central (5a), tandis que lesdites pales déflectrices (6) génèrent un mouvement tourbillonnaire de la partie périphérique de ce flux pénétrant dans le brûleur par l'extérieur de l'anneau central (5a).

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