BOILER FOR HEATING AND/OR HOT WATER SUPPLY AND BOILER HEAT EXCHANGER Russian patent published in 2012 - IPC F24H1/08 

FIELD: power engineering.

SUBSTANCE: in a boiler the first heat exchanger of a heating circuit is arranged in the form of a water jacket installed at least along a part of a combustion chamber perimetre and comprises a twisted coil of a hot water supply circuit installed in its cavity, and the second heat exchanger is arranged in the form of a copper ribbed pipe or a ribbed pipe based on a copper alloy, and the pipe is installed in the upper part of the combustion chamber and communicates with the first heat exchanger, besides, the inner cavity of the ribbed pipe is equipped with a row of vertical ribs, every of which comprises upper and lower holes with a link between them, and communication of heat exchangers of the heating circuit is arranged in the form of at least two pairs of nozzles.

EFFECT: design of a boiler on the basis of a reliable, universal and unified heat exchanger having high efficiency, increased heat transfer efficiency.

10 cl, 7 dwg