Method for reducing NOx emissions from a burner assembly, comprising several burners, and burner assembly for carrying out said method

摘要

#$%^&*AU2010246518B920130110.pdf#####14 ABSTRACT In a method for reducing the NOx emissions from a burner arrangement (10) comprising a plurality of burners (B1,...,Bn), in particular in a gas turbine, which 5 burners (Bi,...,Bn) are operated in parallel and each burner supplied fuel by means of combustion air to form a flame (Fl,...,Fn), an effective drop is achieved in a simple way by virtue of the fact that at a predetermined time the flame temperatures of individual burners (B1,...,Bn) or burner groups or differences between the flame temperatures of individual burners (Bl,...,Bn) or burner groups are measured directly 10 or indirectly, and that the fuel supply to those burners or burner groups whose flame temperature exceeds a predetermined value for the flame temperature is selectively throttled in order to homogenize the flame temperatures of the burners (BI,...,Bn). 15 (Fig. 1)1/3 D1 BI Fl iii D2 B2 F2 S2 D3 B3 F3S3 D4N B4 S4 Dn Bn Fn Sn 11 1 Fig.]