FIELD: power engineering. SUBSTANCE: part of gas/air mixture is swirled and supplied at excess air coefficient of 0.5 to 0.7; other part of mixture is supplied for mixing with first part and total excess air coefficient of 0.85 to 0.95 is maintained; mixture speed at burner exit is 20 to 150 mps. EFFECT: reduced emission of nitrogen oxides into atmosphere. 7 dwg
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Authors
Dates
1994-05-30—Published
1990-09-20—Filed