FIELD: thermoelectric plants. SUBSTANCE: the reactor has lower section 3 with fluidizing lattice 11, inlets 12, 13 of primary and secondary air, and fuel feed 10, upper section 2, internal dense fluidized beds 22, 23 above lower section 3 extracting solid material from the flows of reactor internal recirculation and directing it partially to the external heat exchangers with a dense fluidized bed adjoining the reactor walls at the level of internal fluidized beds 22,23. These external heat exchangers after a heat exchange with the external fluid medium discards the solid material into lower section 3. EFFECT: enhanced efficiency. 3 cl, 14 dwg
