Method and burner for rotary kilns

Details Method and burner for rotary kilns Method and burner for rotary kilns

F - Mech Eng,Light,Heat,Weapons

27

B

F27B 7/34 (2006.01) F23C 7/00 (2006.01) F23D 11/38 (2006.01) F23D 17/00 (2006.01) F27B 7/36 (2006.01) F27D 99/00 (2010.01)

Patent

CA 2490637

The present invention relates to a method of and a burner for generating a flame in a combustion zone of a rotary kiln. The burner comprises at least a burner tube (4) extending into the kiln from outside of the kiln and means (3) for introducing fuel into the burner tube and means for leading primary air via the burner tube into the combustion zone of the kiln. A characteristic feature of the invention is that the burner is connected to a gas turbine (1, 2) via a connecting tube (7) for leading flue gas generated in the gas turbine into the burner tube as primary air.

La présente invention concerne un procédé et un brûleur pour générer une flamme dans une zone de combustion d'un four rotatif. Le brûleur comprend au moins un tube du brûleur (4) s'étendant de l'extérieur à l'intérieur du four; un moyen (3) pour introduire du combustible dans le tube du brûleur; et un moyen pour acheminer de l'air primaire par le tube du brûleur à l'intérieur de la zone de combustion du four. Un élément caractéristique de l'invention est que le brûleur est relié à une turbine à gaz (1, 2), par l'intermédiaire d'un tube de raccordement (7), pour acheminer un gaz de carneau à l'intérieur du brûleur, comme air primaire.

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