Burner head for low calorific fuels

Abstract

The burner, which comprising an air supply pipe, fuel supply pipe attached to a central burner tube, which is terminated by the front face on the side of the supply pipe whereas in the front face a support tube is fixed, on which a burner head at the burner's output is mounted, the burner head is provided with nozzles arranged in a circle near to the inner perimeter of the burner head and forming the primary stage of the burner, and further the burner head is provided with angled grooves on the outer perimeter, which form the secondary stage of the burner, and further the whirler with its inner perimeter is arranged onto central burner tube at its outlet end, and the whirler's surface has conical shape extending outwardly and the whirler's surface openings, arranged in a circle are provided.

1 . The burner, which comprising an air supply pipe, fuel supply pipe attached to a central burner tube, which is terminated by the front face on the side of the supply pipe, characterized in, that in the front face ( 6 ) a support tube ( 7 ) is fixed, on which a burner head ( 4 ) at the burner's output is mounted, the burner head ( 4 ) is provided with nozzles ( 13 ) arranged in a circle near to the inner perimeter of the burner head ( 4 ) and forming the primary stage of the burner ( 1 ), and further the burner head ( 4 ) is provided with angled grooves ( 14 ) on the outer perimeter, which form the secondary stage of the burner ( 1 ), and further the whirler ( 2 ) with its inner perimeter ( 15 ) is arranged onto central burner tube ( 5 ) at its outlet end, and the whirler's surface ( 16 ) has conical shape extending outwardly and the whirler's surface ( 16 ) openings ( 9 ), arranged in a circle are provided. 
     
     
         2 . The burner according to  claim 1 , characterized in, that the openings ( 9 ) on the whirler ( 2 ) are arranged in three concentric circular rows. 
     
     
         3 . The burner according to  claim 1 , characterized in, that the fuel supply pipe ( 8 ) is provided on the wall with weld-on sleeve ( 11 ) for connection of the pressure gauge or other measuring device. 
     
     
         4 . The burner according to  claim 1  characterized in, that on the free end of the support tube ( 7 ) screws ( 12 ) for aretation of added atomiser are located