BURNER FOR SOLID, LIQUID AND GASEOUS FUELS Russian patent published in 2003 - IPC

FIELD: heat-power engineering; burning highly concentrated pulverized coal mixture solid and liquid fuels. SUBSTANCE: proposed burner has body with central round cylindrical passage for feeding air and swirler and injectors arranged inside this passage, circular concentric passages with blades for twisting the flow which are connected to air ducts; burner includes also fuel supply collector; taper swirler made in form of blades is mounted in central passage; rate of air flow through central passage ranges from 10 to 70% of total amount of air flowing through burner. EFFECT: enhanced reliability of combustion; reduced concentration of nitrogen oxides. 2 dwg