BOILER FOR HEATING AND HOT WATER SUPPLY, BOILER HEAT EXCHANGER, BUFFER RESERVOIR OF BOILER AND METHOD OF BOILER OPERATION Russian patent published in 2012 - IPC F24H1/08 

FIELD: power engineering.

SUBSTANCE: in a boiler a heat exchanger of a heating circuit comprises a prismatic vessel with an open lower part, a tube sheet in the upper part and a coil on the external surface, a smoke box in the area of its coupling with a nozzle of combustion products removal is equipped with a channel connected with an inner cavity of a tight vessel, and a buffer reservoir is connected with a nozzle of coolant discharge and comprises a prismatic vessel with an internal heat exchanger of a hot water supply circuit and internal nozzles of coolant supply and discharge and water supply and drain, at the same time the buffer reservoir is installed outside the limits of the heating circuit heat exchanger location, is placed in the lower part of the tight vessel and is connected with the nozzle of coolant supply, where the pump is installed. In the method of boiler operation air supply into a combustion chamber is combined with its supply and heating by heat from combustion products, and combustion products are removed simultaneously with ejection of heated air from the tight vessel.

EFFECT: expanded assortment of produced items with improved characteristics, providing for high temperature of effluent gases and increased efficiency.

12 cl, 3 dwg