BURNER DEVICE (VERSIONS) Russian patent published in 2019 - IPC F23D1/00 F23K1/00 

FIELD: power engineering.

SUBSTANCE: invention relates to power engineering, to burner devices of a boiler, and can be used in boiler equipment. Burner device consists of main and discharge burners and is connected to dust concentrator with installed in it blading device and troughs of low-dusted and concentrated flows, connected by means of dust ducts with channels of low-dusted and concentrated flows, arranged together with secondary air channels inside main burner housing, waste burner is located above main burner housing, at that, removal of low-dusted flow from dust concentrator is divided into two discharge branch pipes, connected through dust ducts with channels of low-dust flow of main burner and with discharge burner, and in dust ducts of low-dusted flows control valves are installed.

EFFECT: higher quality of fuel combustion, reduced generation of nitrogen oxides at initial section of coal flame.

2 cl, 6 dwg