Burner

A burner suitable for combustion under a moderate and intense low oxygen dilution (MILD) combustion, the burner comprising an annular duct for sucking the recycling flue gases directly from a combustion chamber by means of an ejector fed with a comburent, a heat exchange system suitable for heat exchange between the recycling flue gases and the comburent, systems for injecting the fuel directly into the recycling flue gases in a transit chamber, the recycling flue gases comprising or not comprising the comburent and formation of a mixture of fuel-recycling flue gases-comburent in the zone around the outlet of the comburent ejector and following introduction of the mixture into said combustion chamber,

• wherein the ejector is formed of tubes, which are parallel in their outletting parts, and an outlet cone of the burner,
• wherein the systems for injecting the fuel comprise a first injection system and a second injection system,
• wherein the fuel is injected into the transit chamber through the first injection system and when the fuel is a liquid, a transition to a gaseous state takes place, wherein no combustion takes place in the transit chamber, and wherein the annular duct, the heat exchange system between flue gases and comburent and the transit chamber are coaxial with respect to the longitudinal burner axis.