Patent ID: 6632084
Filing Date: 2003-10-14
Classification: F23D,F23R

Abstract:
A burner configuration for a firing installation, comprising:a main burner having an outlet region and a main burner fuel supply line; a primary pilot burner disposed centrally within said main burner, said primary pilot burner used for igniting and stabilizing a combustion of said main burner, said primary pilot burner having a primary pilot burner fuel supply line; and a secondary pilot burner having a peripheral annular duct with a plurality of outlet openings formed therein and disposed in said outlet region of said main burner, said secondary pilot burner having a secondary pilot burner fuel supply line, said peripheral annular duct fluidically connected to said secondary pilot burner fuel supply line and fluidically connected to said outlet openings, said outlet openings being directed in a direction towards a center of said outlet region; said peripheral annular duct having a lower annular duct, an upper annular duct, and a throttle location connecting said lower annular duct to said upper annular duct, said upper annular duct being connected to said secondary pilot burner fuel supply line and said lower annular duct being in connection with said outlet openings.