FIELD: mechanical engineering; steam-gas turbine plants.
SUBSTANCE: invention relates to methods of delivery of steam into combustion chamber of steam-gas turbine plant designed for driving electric generators. Proposed method includes delivery of steam into primary and into secondary zones of combustion chambers, delivery of steam into primary zone is regulated by bypassing part of steam into secondary zone, and optimum temperature of flame is maintained in primary zone at all main operating modes of steam-gas plant. Steam is delivered into secondary zone directly into flame tube of combustion chamber without preliminary mixing with air delivered into secondary zone.
EFFECT: provision of low level of emission of nitrogen oxides, carbon monoxide and noncombusted hydrocarbons, stable and reliable operation of combustion chamber, increased power and efficiency of steam-gas turbine plant under all operating conditions within the range of main modes.
4 cl, 3 dwg
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