| 摘要 |
A burner or furnace including a combustion chamber and two or more fuel injection ports. The fuel injection ports inject fuel at non-radial injection angles into the combustion chamber. Preferably, the injection ports feed fuel substantially tangentially to a cyclonic vortex in the burner or furnace during operation. Also preferably, the injection ports are angled downward 5 to 15 degrees from a plane perpendicular to an axis of the burner or furnace.
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