| 摘要 |
PROBLEM TO BE SOLVED: To eliminate a back fire or a blow-off with good operability at the time of a small fire by easily supplying secondary air to the flame at the time of burning and shortening the flame. SOLUTION: The gas burner is obtained by providing a plurality of main burner ports 2 and a plurality of small burner ports 3 at a burner body 1, separately communicating a mixing tube 4 for the main ports with the ports 2 and a mixing tube 5 for small ports with the ports 3, and supplying fuel gas to the tubes 4 and 5. The plurality of the ports 2 are aligned in a horizontal direction B on a side face of the body 1. The plurality of the ports 3 are aligned in a horizontal direction B thereunder. A group of the ports 2 disposed above and a group of the ports 3 disposed below are deviated in a horizontal direction B to dispose substantially a center 9 of the ports 2 above a part 8 having no port 3.
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