Patent ID: 6233974
Filing Date: 2001-05-22
Classification: C03B,F23D,F23M,Y02E,Y02P

Abstract:
An oxy-gaseous fuel burner for a forehearth system comprising:an oxygen conduit having an oxygen inlet end and an oxygen outlet end;a fuel conduit having a fuel inlet end and a fuel outlet end disposed concentrically within said oxygen conduit and forming an annulus between said fuel conduit and said oxygen conduit;a precombustor conduit disposed at said oxygen outlet end of said oxygen conduit having a fuel/oxygen inlet and a fuel/oxygen outlet;a fuel tip disposed at said fuel outlet end of said fuel conduit having a fuel tip fuel inlet and a fuel tip fuel outlet, said fuel tip fuel outlet disposed one of at and upstream of said fuel/oxygen inlet of said precombustor conduit; andan outer surface of said fuel tip and an inner surface of said oxygen conduit proximate said oxygen outlet end being tapered, converging in a direction of said precombustor conduit.