摘要 |
<P>PROBLEM TO BE SOLVED: To evenly and entirely heat a radiant tube burner without flame-off in the radiant tube burner. <P>SOLUTION: When starting up, an oxidant gas Y is supplied to a combustion region R1 only from an internal burner 3, so that a warm-up operation in which combustion gas G is discharged from all of air passages 8 is performed. <P>COPYRIGHT: (C)2013,JPO&INPIT |