Fuel nozzle system

Abstract

A fuel nozzle system is made available, which is arranged essentially in circular manner and is set up in such a manner that it produces a homogeneous leaner mixture on at least one outer ring and a homogeneous richer mixture on at least one inner ring, in particular a fuel/oxidizer mixture.

1 . A burner system having a burner ( 1 ) having a housing ( 2 ), on which a combustion pipe ( 3 ) is arranged, and a combustion chamber ( 8 ) wherein the combustion pipe ( 3 ) has an opening ( 4 ) on the end facing away from the housing ( 2 ), and wherein the housing ( 2 ) has at least two channels ( 6 ,  7 ) that are separated from one another, and are set up in such a manner that different substances, in particular a fuel and an oxidizer, flow through them, and mix in the combustion chamber ( 8 ),
 wherein the substances empty into a fuel nozzle system ( 5 ) that is arranged in essentially circular manner, and is set up in such a manner that it produces a leaner mixture on at least one outer ring ( 12 ), by means of first exit nozzles, and a richer mixture on at least one inner ring ( 13 ), in particular a fuel oxidizer mixture, by means of second exit nozzles.   
     
     
         2 . The burner system according to  claim 1 ,
 wherein it is set up in such a manner that the leaner mixture produced on the at least one outer ring ( 12 ) and the richer mixture produced on the at least one inner ring ( 13 ) flow into a common combustion chamber ( 8 ).   
     
     
         3 . The burner system according to  claim 1 ,
 wherein it is set up in such a manner that the leaner mixture produced on the at least one outer ring ( 12 ) and the richer mixture produced on the at least one inner ring ( 13 ) are jointly passed to the combustion.   
     
     
         4 . The burner system according to  claim 1 ,
 wherein it is set up in such a manner that the substances empty into a fuel nozzle system ( 5 ) that is arranged in essentially circular manner and has smaller ( 14 ) exit nozzles on at least one outer ring ( 12 ) and larger exit nozzles ( 15 ) on at least one inner ring ( 13 ).   
     
     
         5 . The burner system according to  claim 1 ,
 wherein the substances empty into a fuel nozzle system ( 5 ) that is arranged in essentially circular manner and has fewer first exit nozzles ( 14 ) on at least one outer ring ( 12 ) and more second exit nozzles ( 15 ) on at least one inner ring ( 13 ) than on the other ring ( 12 ,  13 ), in each instance.   
     
     
         6 . The burner system according to  claim 1 ,
 wherein the substances empty into a fuel nozzle system ( 5 ) that is arranged in essentially circular manner, wherein a lean mixer can be set on at least one outer ring ( 12 ), by means of control and/or regulation devices, valves, flaps, and a richer mixture can be set on at least one inner ring ( 13 ).   
     
     
         7 . The burner system according to  claim 1 ,
 wherein the fuel nozzle system ( 5 ) is configured in such a manner that the exit direction of the substances, in particular of the oxidizer, can be influenced in targeted manner.   
     
     
         8 . The burner according to  claim 4 ,
 wherein the direction of the substances, in particular of the fuel, can be influenced by means of a slanted position of the first and second exit nozzles ( 14 ,  15 ).   
     
     
         9 . The burner system according to  claim 1 ,
 wherein the fuel nozzle system ( 5 ) is configured in such a manner that the velocity of the substances, in particular of the oxidizer, can be influenced in targeted manner.   
     
     
         10 . The burner system according to  claim 1 ,
 wherein the fuel nozzle system ( 5 ) is configured in such a manner that the velocity of the substances, in particular of the fuel, can be influenced in targeted manner.   
     
     
         11 . The burner system according to  claim 1 ,
 wherein a plurality of exit openings ( 14 ,  15 ) of the fuel nozzle system ( 5 ) are distributed over one or more planes ( 16 ,  17 ).   
     
     
         12 . The burner system according to  claim 4 ,
 wherein the exit nozzles ( 14 ,  15 ), in particular the smaller ( 14 ) and larger exit nozzles ( 15 ) lie in different planes ( 16 ,  17 ).   
     
     
         13 . The burner system according to  claim 1 ,
 wherein it is set up in such a manner that an at least double-wall pipe ( 18 ) is provided between the inner and the outer ring ( 12 ,  13 ), through which pipe the fuel flows.   
     
     
         14 . The burner system ( 1 ) according to  claim 1 ,
 wherein it is set up in such a manner that two at least double-wall concentric pipes ( 18 ,  18 ′) are provided, through which the fuel flows.   
     
     
         15 . The burner system according to  claim 1 ,
 wherein a device ( 21 ) for ignition of the burner ( 1 ) is provided in the cross-section of an at least double-wall pipe ( 18 ,  18 ′).   
     
     
         16 . The burner system according to  claim 1 ,
 wherein a device ( 21 ) for monitoring the flame of the burner system is provided in the cross-section of an at least double-wall pipe ( 18 ,  18 ′).   
     
     
         17 . The burner system according to  claim 1 ,
 wherein a central pipe ( 22 ) for injection of a further fuel, an inert gas and/or a reduction agent, in particular urea, directly into the combustion chamber ( 8 ) is provided in the center of the circular arrangement.   
     
     
         18 . The burner system according to  claim 1 ,
 wherein the fuel nozzle system is produced using an additive production method.   
     
     
         19 . The burner system according to  claim 1 ,
 wherein it is configured to be compatible with commercially available industrial burners.