| 摘要 |
PURPOSE:To provide stable combustion, by a method wherein a primary burner port part having a plurality of primary burner ports is covered with a container forming a primary combustion chamber, and a single secondary burner port with narrow width at the opposite ends thereof is provided in the container. CONSTITUTION:Gas fuel jetted through a nozzle 1 and entering through an inlet part 3 of the mixing tube of a burner 2 sucks as a primary air the air therearound by jet thereof, the air is mixed therewith in a mixing tube 4 to produce a combustible gas, and flame is produced by a plurality of primary burner ports 5. A single secondary burner port 6 with narrow width at the opposite ends thereof and a container 8 forming a primary combustion chamber 7 are constituted so as to cover the primary burner port 5 and the whole burner 2. A combustible gas in the mixing tube 4, being apt to be short of the air, flows in the primary burner port 5 to form a primary flame, but a unburnt gas finally makes contact with a secondary air above the secondary burner port to form a secondary flame brought to a perfect flame state. |
