F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
39/94
F27D 13/00 (2006.01) C21B 9/04 (2006.01) F23D 14/62 (2006.01)
Patent
CA 1069692
Abstract of the Disclosure A burner, particularly a ceramic burner for the combustion chamber of large blast stoves has intercommunicating chambers for the combustion media air and gas at the mouth end of the burner. One chamber is located concentrically within the other and a mixer body is located at or adjacent the centre of the burner mouth. The plate-shaped mixer body contains an annular ring of orifices disposed in the direction of flow downstream of a point in the burner where the combustion media are at least partly brought together and preliminarily mixed. The mixer body occupies 0.25 to 0.4 times the cross section of the central burner channel, and the total cross section of flow through the orifices in the mixer body is 0.1 to 0.3 times the cross section occupied by the mixer body. The orifices in the mixer body are disposed on a circle and their longitudinal axes diverge in the direction of flow, and diverge from the axis of the burner plate. Such a construction and disposition of the mixer body results in the development downstream of the body of a zone of uniform velocity of flow in which the directions of flow fluctuate considerably so that an intimate commixture of air and gas is achieved together with stable combustion and the build-up of undesirable pulsations is minimized or avoided.
261545
Hebel Rudolf
Laux Walter
Schneider Rolf
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