| 摘要 |
A premix burner includes a vortex generator ( 30 ) for combustion air stream ( 15 ), devices ( 17, 17 a, 17 b, 31 - 38, 41 - 48 ) to inject fuel into the combustion air stream ( 15 ), and tangential air ducts ( 19, 20 ). The combustion air ( 15 ) enters the cone cavity ( 14 ) of the vortex generator ( 30 ) via the air ducts. The injection of the fuel into the combustion air is done asymmetrically by injection devices ( 17, 17 a, 17 b, 31 - 38, 41 - 48 ). At least one of the injection devices ( 5 ) is arranged on a fuel lance ( 3 ) that extends into the vortex chamber.
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