Burner device

Abstract

The present invention concerns a bummer device ( 100 ) for combustion of at least one fuel with at least one oxidizer, wherein the burner device ( 100 ) comprises a central longitudinal axis ( 102 ) and a main flow direction ( 104 ) which is at least approximately parallel to the central longitudinal axis, and wherein the burner device ( 100 ) comprises the following: a burner head ( 108 ) for supplying fuel and/or oxidizer to a combustion chamber, and a flame tube ( 106 ) in which the burner head ( 108 ) is arranged, wherein the burner head ( 108 ) comprises the following: at least one injection device ( 120, 122 ) with multiple injection openings ( 132, 164 ) for injection of fuel, and at least one baffle plate ( 116, 118 ) with multiple baffle openings ( 146, 148 ) for fuel and/or oxidizer, wherein the at least one baffle plate ( 116, 118 ) is arranged downstream of the at least one injection device ( 120, 122 ) relative to the main flow direction ( 104 ); and/or wherein the at least one baffle plate ( 116, 118 ) comprises multiple differently configured baffle openings ( 146, 148 ); and/or wherein the at least one injection device ( 120, 122 ) comprises multiple differently configured injection openings ( 132, 164 ).

1 . A burner device for combustion of at least one fuel with at least one oxidizer, wherein the burner device having a central longitudinal axis and a main flow direction which is at least approximately parallel to the central longitudinal axis, the burner device comprising:
 a burner head for supplying fuel and/or oxidizer to a combustion chamber, and   a flame tube in which the burner head is arranged,   wherein the burner head includes:   at least one injection device with multiple injection openings for injection of fuel, and   at least one baffle plate with multiple baffle openings for fuel and/or oxidizer,   wherein the at least one baffle plate is arranged downstream of the at least one injection device relative to the main flow direction;   wherein the at least one baffle plate includes multiple differently configured baffle openings; and/or   wherein the at least one injection device includes multiple differently configured injection openings.   
     
     
         2 . The burner device as claimed in  claim 1 , wherein the burner head further includes at least one swirl device for swirling the fuel and/or oxidizer supplied through the burner head, which device is arranged at least partially upstream of the at least one injection device relative to the main flow direction. 
     
     
         3 . The burner device as claimed in  claim 2 , wherein the at least one swirl device is connected to the at least one injection device or has a distance from the at least one injection device which is constant or variably adjustable. 
     
     
         4 . The burner device as claimed in  claim 2 , wherein the swirl device includes multiple swirl bodies which are each tilted relative to the main flow direction about a radial axis relative to the central longitudinal axis, for swirling of the through-flowing fuel and/or oxidizer. 
     
     
         5 . The burner device as claimed in  claim 1 , wherein the flame tube forms at least one diffuser at its downstream end relative to the main flow direction. 
     
     
         6 . The burner device as claimed in  claim 5 , wherein the diffuser has a constant cross-sectional widening downstream relative to the main flow direction. 
     
     
         7 . The burner device as claimed in  claim 1 , wherein the at least one injection device has first injection openings, the central axes of which point at least approximately in the main flow direction. 
     
     
         8 . The burner device as claimed in  claim 1 , wherein at least one of the first injection openings has an injection nozzle protruding in the main flow direction. 
     
     
         9 . The burner device as claimed in  claim 1 , wherein the at least one injection device has second injection openings, the central axes of which each enclose an angle of between 0 degrees and 90 degrees to the main flow direction. 
     
     
         10 . The burner device as claimed in  claim 9 , wherein the first injection openings and the second injection openings are controllable independently of one another. 
     
     
         11 . The burner device as claimed in  claim 1 , wherein the at least one injection device is a tube ring, a star-shaped closed tube arrangement, a tube ring with a fluidically connected internal tube cross, or a tube cross. 
     
     
         12 . The burner device as claimed in  claim 1 , wherein the at least one baffle plate has first baffle openings and second baffle openings, and that the first baffle openings are circular baffle openings and the second baffle openings are elliptical, slot-like or kidney-shaped baffle openings. 
     
     
         13 . The burner device as claimed in  claim 12 , wherein the second baffle openings are at least partially covered downstream of the at least one baffle plate relative to the main flow direction, wherein the degree of coverage is adjustable. 
     
     
         14 . The burner device as claimed in  claim 12 , wherein fuel can be supplied to the combustion chamber through the first baffle openings from a respective one of the injection openings, that fuel can be supplied to the combustion chamber through the second baffle openings from a respective two of the injection openings, and that the respective two injection openings which supply fuel to the combustion chamber through a second baffle opening are offset radially from a longitudinal central axis of the slot-like baffle opening relative to the central longitudinal axis. 
     
     
         15 . The burner device as claimed in  claim 1 , wherein a diversion body for radial diversion of the fuel and/or oxidizer is arranged substantially centrally on the at least one baffle plate downstream relative to the main flow direction. 
     
     
         16 . The burner device as claimed in  claim 1 , wherein the burner head has a first baffle plate, a second baffle plate, a first injection device and a second injection device, and that the first and second baffle plates are formed as a ring and the first and second injection devices as a ring tube; that the ring diameter of the second baffle plate and the second injection device is greater than the ring diameter of the first baffle plate and the first injection device, and that the second baffle plate and the second injection device are radially spaced from the first baffle plate and the first injection device relative to the central longitudinal axis. 
     
     
         17 . The burner device as claimed in  claim 1 , wherein the baffle plate, optionally the first baffle plate and/or the second baffle plate, includes two or more segments which are arranged spaced apart from one another relative to the circumferential direction of the baffle plate. 
     
     
         18 . The burner device as claimed in  claim 16 , wherein the first baffle plate is arranged spaced from the first injection device, and the second baffle plate is arranged spaced from the second injection device. 
     
     
         19 . The burner device as claimed in  claim 12 , wherein the second baffle openings have at least one, preferably at least two bulges for partial constriction. 
     
     
         20 . The burner device as claimed in  claim 1 , wherein the flame tube is arranged in a guide tube such that between the flame tube and the guide tube, a flow channel is formed through which part of the oxidizer can flow. 
     
     
         21 . The burner device as claimed in  claim 20 , wherein at least one bypass injection device for injection of fuel is arranged in the flow channel between the flame tube and the guide tube. 
     
     
         22 . The burner device as claimed in  claim 20 , wherein at least one further swirl device for swirling the oxidizer is arranged in the flow channel between the flame tube and the guide tube. 
     
     
         23 . The burner device as claimed in  claim 22 , wherein the bypass injection device is arranged downstream of the at least one further swirl device relative to the main flow direction. 
     
     
         24 . The burner device as claimed in  claim 20 , wherein the oxidizer enters the flow channel with a speed of 50 m/s to 70 m/s, optionally 60 m/s. 
     
     
         25 . A use of a burner device as claimed in  claim 1  for combustion of at least one fuel with at least one oxidizer. 
     
     
         26 . A method for operation of a burner device as claimed in  claim 1 , comprising the following steps:
 supply of oxidizer to a burner head to form at least one oxidizer stream;   supply of fuel to an injection device of the burner head; and   injection of fuel into the at least one oxidizer stream by the injection device of the burner head.   
     
     
         27 . A combustion chamber system with at least one combustion chamber and at least one burner device as claimed in  claim 1 , wherein the outer periphery of the burner device is connected to a floor of the combustion chamber. 
     
     
         28 . A combustion chamber system with at least one combustion chamber and at least one burner device as claimed in  claim 1 , wherein the burner device is inserted in the combustion chamber and attached outside the combustion chamber, and wherein between the outer periphery of the burner device and the combustion chamber, a flow channel is formed through which a part of the oxidizer can flow. 
     
     
         29 . A thermal exhaust gas cleaning plant with a burner device as claimed in  claim 1 .