Combustion – Flame holder having protective flame enclosing or flame... – Including means feeding air axially spaced points of the flame
Patent
1978-09-25
1980-12-23
Ward, Jr., Robert S.
Combustion
Flame holder having protective flame enclosing or flame...
Including means feeding air axially spaced points of the flame
2394273, F23D 1500
Patent
active
042407842
ABSTRACT:
A three-stage liquid fuel burner designed to combust fuel efficiently at a temperature less than 2600.degree. F. to substantially inhibit fixation of polluting nitrogen compounds, the burner including three concentric cylindrical chambers of increasing diameter and staggered length, with provision for gradual introduction of air longitudinally through the chambers for full stoichiometric combustion, fuel being injected into the innermost chamber with air supplied below stoichiometric proportion for in complete combustion, the partially combusted gases passing longitudinally to a secondary outer chamber where air is supplied to approximately stoichiometric proportion, the relatively fully combusted gases passing longitudinally to a tertiary outermost chamber where air is supplied to nearly twice stoichiometric proportion.
REFERENCES:
patent: 1069243 (1913-08-01), Fogler
patent: 1405100 (1922-01-01), Cornwell et al.
patent: 3228451 (1966-01-01), Fraser et al.
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