BigPatents India

Circulating fluidized bed reactor, in particular, for the burning of fuels, consisting of: a reactor chamber (2), at least one drawing off device (4) for drawing off a flue gas with the entrained solid particles from the reactor chamber (2), at least one cyclone separator (5) that is connected with the drawing off device (4) for separating solid particles from the flue gas, at least one device for the recirculation of at least a portion of the solid particles separated from the cyclone separator (5) into the reactor chamber (2), whereby the recirculation device exhibits a siphon-trap-like gas seal (7, 8, 9), a device (10) for fluidizing the separated portion and a device (12, 13, 14) for connecting the gas seal (7, 8, 9) with the reactor chamber (2), whereby the riser (9) of the gas seal (7, 8, 9) is designed at its upper end and at the circumference with two outlet openings (11) that point essentially in the direction of the reactor chamber (2), and each outlet opening (11) is connected with the reactor chamber (2) by a device (12, 13, 14). (FIG.1,2)