Importance

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Abstract

An industrial burner with low NO.sub.x emissions, particularly for heating furnace chambers of industrial furnaces, has a high-heat-resistance combustion chamber (9), which is formed with a fuel supply device and an air supply device and with at least one nozzle-shaped outlet (10) for the gases emerging into a heating chamber. The fuel supply device (17, 18) extends through the combustion chamber, which is acted upon constantly with air. The fuel supply device can be switched over between two operating states, with a differing three-dimensional location of fuel nozzle devices (25, 26) relative to the combustion chamber outlet. In a first operating state, fuel is introduced into the combustion chamber, creating a fuel/air mixture that burns with a stable flame in the combustion chamber, and in a second operating state, the reaction between the fuel and the combustion air is substantially shifted into the heating chamber.

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First Claim