| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology that can achieve low emission of a pilot flame formed by a pilot burner, and further can achieve low emission in the whole area of a combustion amount adjustment range, even if the pilot burner is operated for many hours in a low combustion amount area in the combustion amount adjustment range.SOLUTION: A pilot burner P includes a cylindrical pilot gas barrel 21 provided on the distal end side with a pilot gas jet part Pg which jets fuel gas G radially, also the pilot gas barrel 21 is fixed to a baffle plate 4 while the pilot gas barrel 21 is inserted into an insertion opening 4a formed in the baffle plate 4, a chink is formed between the pilot gas barrel 21 and the insertion opening 4a of the baffle plate 4, and the chink is a pilot air hole 31 for passing air for combustion A. |
