Method of operating a swirl stabilized burner and burner for car

Details Method of operating a swirl stabilized burner and burner for car Method of operating a swirl stabilized burner and burner for car

1998-03-02

1999-10-05

Yeung, James C.

Combustion

Process of combustion or burner operation

Flame shaping, or distributing components in combustion zone

431 8, 431351, 431353, F23C 604

Patent

active

059613130

ABSTRACT:
In a method of operating a swirl-stabilized burner operated with gaseous and/or liquid fuels (12, 16), in which combustion air (7) or a mixture of recycled flue gas (30) and fresh air (29), which mixture is formed by injector delivery, and fuel (12, 16) are intensively mixed by means of a swirl generator (37) and then burned, in the course of which a backflow zone (24), which stabilizes the flame, is formed, starting air (38), which has at least a radial velocity component, is injected during the starting action at the downstream end of the swirl generator (37) in such a way as to be directed from the margin of the burner into the center. The injection of the starting air (38) is switched off after the end of the starting action, so that the burner works in such a way as to be unaffected in normal operation. The invention improves the ignition conditions, increases the flame stabilization, and reduces the pollutant emissions when the burner is being started.

REFERENCES:
patent: 4054028 (1977-10-01), Kawaguchi
patent: 5453004 (1995-09-01), Hofbauer
patent: 5545032 (1996-08-01), Jansohn et al.
patent: 5645410 (1997-07-01), Brostmeyer

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