Patent ID: 6623267
Filing Date: 2003-09-23
Classification: F23D

Abstract:
An industrial burner assembly comprising at least one elongated burner, wherein each said at least one elongated burner comprises:an outer mixing tube having a longitudinal axis; an inner mixing tube positioned coaxially about said longitudinal axis at least partially within said outer mixing tube to form an annular space therebetween, said inner mixing tube having an inside surface and a plurality of apertures; an outlet ring member having an inside surface defining a centrally-located opening, and a rear surface with a first seat portion in sealing engagement with a forward end of said inner mixing tube and a second seat portion in sealing engagement with a forward end of said outer mixing tube; and an inlet ring member having an inside surface defining a centrally-located opening a rear surface, a forward surface with a first seat portion in sealing engagement with a rear end of said inner mixing tube and a second seat portion in sealing engagement with a rear end of said outer mixing tube, said inside surfaces of said inlet ring member, said inner mixing tube, and said outlet ring member being aligned to form a passage for air flow therethrough, and a port communicating with said annular space, wherein said port is in communication with a source of fuel such that said fuel can flow through said annular space and through said apertures into said passage to intermix with air flowing through said passage.