Burner head for a forced-air gas burner

摘要

A burner head for a forced-air gas burner having a combustible gas distributor and a combustion air distributor, having radially disposed combustible gas nozzles and axially extending combustion air flow openings, in which the flame root is formed in the vicinity of the nozzles and flow openings, with ribs protruding radially into the flame region downstream of the flame root. A flame tube is provided coaxially with the burner tube, and an annular gap is provided for exhaust gas recirculation between the burner tube and the flame tube.