Premixing burner

Details Premixing burner Premixing burner

1995-03-06

1996-09-24

Jones, Larry

Combustion

Separately supplied or controlled, physically related flame...

Coaxial

431278, 431353, 431181, F23Q 900

Patent

active

055585159

ABSTRACT:
A premixing burner includes a pilot burner formed from two half conical shells and a plurality of main burners arranged around the pilot burner. Each of the main burners is formed with an cylindrical outer wall to contain a main flow. Each of the main burners includes a plurality of vortex generators arranged inside the cylindrical wall about a circumference. In addition, a venturi nozzle is disposed in each of the main burners downstream of the vortex generators. A fuel lance for each of the main burners injects one or both of a gaseous and liquid fuel into the burner as a secondary flow, and an outlet of the lance is positioned to inject the secondary flow in the region of the venturi nozzle having a maximum constriction.

REFERENCES:
patent: 5094610 (1992-03-01), Mandai et al.
patent: 5127821 (1992-07-01), Keller
patent: 5340306 (1994-08-01), Keller et al.
patent: 5433596 (1995-07-01), Dobbeling et al.

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