RECUPERATIVE BURNER Russian patent published in 2025 - IPC F23D14/66 F23L15/04 

FIELD: combustible gas combustion device.

SUBSTANCE: invention relates to combustible gas combustion devices and can be used in industrial furnaces. Recuperative burner comprises a housing with an air supply branch pipe, a casing arranged around the housing with the formation of an annular gap for the combustion products removal to the flue, and a combustion chamber including a fuel supply branch pipe from the header to the nozzle, at that, it is equipped with the first perforated shell and the second perforated shell, which are installed coaxially to the housing and the third perforated shell installed between the casing and the burner housing for the additional smoke channel arrangement. Housing is equipped with at least two separate air heating sections with perforated shells installed coaxially to the housing with corresponding in-series connected annular channels.

EFFECT: invention allows reducing the amount of hazardous emissions, increasing the degree of waste flue gas heat recuperation.

2 cl, 1 dwg