| 摘要 |
<p>A gas burner (1) for a boiler comprising a diffuser (2), suitable for diffusing premixed combustion (7) gases in a combustion chamber is described, wherein said gas burner (1) comprises covering means (5) of the flow of mixture entering the combustion chamber arranged on the side of the diffuser (2) opposite to the combustion chamber and at peripheral portions of the diffuser (2), said covering means (5) being configured so as to give the direction of the flow of mixture entering the combustion chamber, at such peripheral portions, a component parallel to the diffuser (2).
A method for operating a gas burner (1) for a boiler is also described.</p> |
