LANCE DE BRÛLEUR POUR UNE CHAMBRE DE COMBUSTION DE TURBINE À GAZ, PROCÉDÉ DE FABRICATION DE CETTE LANCE DE BRÛLEUR ET ENSEMBLE DE TURBINE À GAZ COMPRENANT CETTE LANCE DE BRÛLEUR

摘要

Burner lance (30) for gas turbine combustor, the burner lance (30) extending between a supply assembly (32) of air, liquid fuel and gas fuel and a tip (27), the burner lance (30) being provided with at least a liquid nozzle (37); the burner lance (30) comprising a liquid fuel duct (35) connecting the liquid nozzle (37) with the supply assembly (32); characterized in that the liquid nozzle (37) is provided with a nozzle insert (45) realized by a machining method, whereas all the remaining portions of the burner lance (30) are realized by an additive manufacturing method.