| 摘要 |
PURPOSE:To provide a burner which is capable of reducing formation of NOx by forming a projection cylinder at the upper central section of a burner main body and making the combustion of gasified kerosene which has been premixed with a primary air at a first gas jetting-out opening and the combustion of pre-mixed gasified kerosene which has been diluted by diluting air from side holes on the whole circumference of a burner cap coexist. CONSTITUTION:The upper body 13 of a burner is surrounded by a burner cap 8, and air flows in through a plurality of air intake holes 9 provided on the whole circumference on the side face of the burner cap 8 to dilute a fuel gas that jets out after passing through a second gas jetting-out opening 6 provided on the upper face of bottom face of a projecting cylinder 4. Ignition is made to a fuel that jets out from a first gas jetting-out opening 5 provided on the bottom face of the projecting cylinder 4 and is not diluted. With this burning flame a fuel gas that jets out from a second gas jetting-out opening 6 and is diluted by a primary air C at an air intake opening 9 contacts and the fuel gas burns. The combustion of gasified kerosene which was premixed with the primary air at the first gas jetting-out opening 5 and the combustion of gasified kerosene that was premixed with the primary air inside the burner main body 2 and that was further diluted by the air from the side face holes on the whole circumference of the burner cap 8 are made to coexist. Accordingly formation of NOx is suppressed.
|
