| 摘要 |
<p>Burner (1) comprising a head (2) with two groups of holes (4', 4') for the passage of fuel and comburent arranged in circles concentric to the burner axis, in which the various groups (5) of holes are separated by circular sectors without holes and the axes of the holes are oblique compared with the burner axis (X) to create special forms of flame.</p> |
