FIELD: power plants primarily burning compressed natural gas without water injection. SUBSTANCE: combustion chamber has mixing prechamber incorporating nozzles, slit-shaped air supply channels arranged tangentially to fire tube axis; a number of outlet holes for admitting fuel gas are made on walls of each channel upstream of inlet cross- sectional area of channel perpendicular to its walls. Fuel gas supply holes are made in prechamber body at inlet of expanding part of external region of mixing chamber. EFFECT: reduced emission of nitrogen oxides. 5 dwg
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Authors
Dates
1997-12-10—Published
1995-06-13—Filed