VORTEX COMBUSTION CHAMBER Russian patent published in 1999 - IPC

FIELD: low-temperature burning of fuel in furnaces of industrial and power-generating boilers and other thermal plants. SUBSTANCE: vortex combustion chamber 1 formed by baffle walls 2 and/or refractory lining 3 provided with tangential blast nozzles 5 located mainly in the bottom and gas exhaust port 4 in one of end walls; transversal size A of combustion chamber 1 exceeds distance B between its end walls. Chamber 1 is connected to particle circulating loop provided with separating device 9 (made in form of dust-collecting chamber), collecting bin 10, circulating particle feeder 11 and heating surfaces 12. EFFECT: enhanced economical efficiency of low-temperature controllable furnace process at low emission of contaminating agents characterizing operation of circulating fluidized bed boilers. 4 cl, 2 dwg