Burner for industrial kilns, dryers and the like, comprising: one body provided with a first passageway for the supply of combustion primary air, ending up in a first outlet section, one collector for the supply of fuel, provided with an end element adapted to dispense a gas, surrounded by said first outlet section, ignition means for the combustion of a mixture of the fuel with the air, and one nozzle, connected to said body, provided with an outflow port from which combustion products generated inside the burner are adapted to flow out, wherein said body comprises a second passageway for the supply of combustion secondary air, ending up in a second outlet section located at the periphery of said first outlet section, said first outlet section and said second outlet section are adapted to diffuse the primary air and the secondary air, respectively, inside said nozzle, said burner comprising a first duct for the supply of primary air, and a second duct for the supply of secondary air, characterized by the fact that said first duct comprises a first regulation device for regulating the primary air flow rate and said second duct comprises a second regulation device for regulating the secondary air flow rate, and by the fact that it comprises a substantially Y-shaped fitting, provided with an inlet opening of the combustion air, and wherein said first duct and second duct make up the two divergent branches of the Y-shaped fitting, where said first duct has an orthogonal, or substantially orthogonal, axis to the longitudinal axis of the burner and said second duct has an inclined axis with respect to the longitudinal axis of the burner, and therefore also with respect to the axis of said first duct. one body provided with a first passageway for the supply of combustion primary air, ending up in a first outlet section, one collector for the supply of fuel, provided with an end element adapted to dispense a gas, surrounded by said first outlet section, ignition means for the combustion of a mixture of the fuel with the air, and one nozzle, connected to said body, provided with an outflow port from which combustion products generated inside the burner are adapted to flow out, wherein said body comprises a second passageway for the supply of combustion secondary air, ending up in a second outlet section located at the periphery of said first outlet section, said first outlet section and said second outlet section are adapted to diffuse the primary air and the secondary air, respectively, inside said nozzle, said burner comprising a first duct for the supply of primary air, and a second duct for the supply of secondary air, characterized by the fact that said first duct comprises a first regulation device for regulating the primary air flow rate and said second duct comprises a second regulation device for regulating the secondary air flow rate, and by the fact that it comprises a substantially Y-shaped fitting, provided with an inlet opening of the combustion air, and wherein said first duct and second duct make up the two divergent branches of the Y-shaped fitting, where said first duct has an orthogonal, or substantially orthogonal, axis to the longitudinal axis of the burner and said second duct has an inclined axis with respect to the longitudinal axis of the burner, and therefore also with respect to the axis of said first duct.