AFTERBURNER CHAMBER Russian patent published in 2012 - IPC F23G7/06 F23C5/00 F23R3/20 

FIELD: power industry.

SUBSTANCE: afterburner chamber of combined-cycle plant is installed in transitional gas flue connecting gas turbine exhaust with waste heat boiler. Chamber contains several orders of flame tube heads of diffusion stabilising type, including angle stabilisers or gas collectors with fuel feed spray injectors located inside them. Flame tube heads are assembled of modules on top of which there are transversal angle bars inclined to output side spaced with pitch equal to distance between burner units. Transversal angle bars have shot fuel collectors in-between, which are connected with main collector. Flame tube heads arranged along the chamber length. Burner unit is the first unit installed upstream in the centre of afterburner chamber; it should be switched on first of all at start-up.

EFFECT: provision of temperature field uniformity before heat exchanger within all range of loads, reduction of hydraulic losses in gas flue, reduction of labour and installation content.

3 dwg