Method of feeding back exhaust gases in oil and gas burners

Details Method of feeding back exhaust gases in oil and gas burners Method of feeding back exhaust gases in oil and gas burners

1990-09-14

1992-07-14

Price, Carl D.

Combustion

Process of combustion or burner operation

Feeding flame modifying additive

431186, 431187, 431115, F23C 906, F23D 1422

Patent

active

051298180

ABSTRACT:
The formation of nitrogen oxides during the operation of burners for solid, liquid, and gaseous fuels is reduced by means of an exhaust gas feed-back system. The exhaust gases are injected into a combustion chamber through openings provided in the region of stabilizer via a flame pipe and, by choice, also around the flame pipe. Preferably, the combustion air as well as the exhaust gases are activated by an active aerosol. The exhaust gas feed-back is effected by means of a longitudinally slidable adaptor pipe and an adaptor pipe shoulder enclosing the flame pipe at least partly. The regulation of the exhaust gas streams is achieved by displacing the adaptor pipe and the adaptor pipe shoulder.

REFERENCES:
patent: 3868211 (1975-02-01), Haye et al.
patent: 4331638 (1982-05-01), Michelfelder
patent: 4410467 (1983-10-01), Wentworth, Jr.

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