BOILER WITH CIRCULATING LAYER Russian patent published in 2018 - IPC F23C10/10 

FIELD: power engineering.

SUBSTANCE: invention relates to energy and can be used to create circulating bed boilers, including large and medium power, reliably working on various fuels and waste, including municipal. Circulating bed boiler contains a combustion chamber connected above and below to the contour of controlled circulation of particles, which includes installed together with it at least one cyclone with a gas outlet pipe, a drain riser, a remote heat exchanger and circulating particle metering devices. Their enclosing walls, including the beveled areas in the corners of cyclones and the common wall, are made of straight or curved gas-tight tube screens, in one plane, protected in areas of wear by installing wear-resistant removable linings, such as cast iron. Combustion chamber has an aerodynamic protrusion, in the middle part is made with a slope in the opposite direction from the cyclone. Drain holes with regulating gates for particles supply are installed on the inclined section of the screen, and external heat exchangers and/or chambers of thermal contact fuel processing can be located below them, which are connected from above to the fuel feeders and the processing system of volatile fuel processing products.

EFFECT: technical result – improved layout and reduction of the boiler dimensions, as well as increased reliability and efficiency of its operation.

7 cl, 2 dwg