FIELD: machine building.
SUBSTANCE: gas turbine combustion chamber comprises a set of radially external nozzles, at least one central nozzle and second combustion chamber. External nozzles are arranged, in fact, in circle, their discharge end allowing feed of fuel and/or air to said first combustion chamber. Central end of central; nozzle is arranged axially ahead of radially external nozzle discharge ends to feed fuel and air to second combustion chamber. Said second combustion chamber is arranged radially ahead of said first combustion chamber to expose thereto and features length sufficient for maintenance of central nozzle blast confined by said second combustion chamber. Radially external nozzle discharge ends are retained in ring plate. Second combustion chamber is confined by tubular element extending from said ring plate and upstream therefrom.
EFFECT: degreased CO level in combustion chamber, higher reliability of equipment.
18 cl, 4 dwg
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