The invention relates to a burner with a burner head (1) and a gas feed
pipe (2) that is located in the burner head (1) and that is surrounded by
an ring channel (3) for feed of another gas. In the gas feed pipe (2) and
in the ring channel (3), there are means (10, 11) for producing a swirl
of the gas flowing through the gas feed pipe (2) and that flowing through
the ring channel (3).