HEATING BOILER (VERSIONS) Russian patent published in 2012 - IPC F24H1/00 

FIELD: power industry.

SUBSTANCE: as per the first version of the invention, heating boiler includes housing in which heat exchanger is installed, which contains internal and external casings forming external channel of heat carrier and L-shaped cavity interconnected with it, which form closed heat carrier circulation circuit. External surface of L-shaped cavity and internal casing form gas channel with gas outlet connection pipe; detachable partition is installed in gas channel, and gas burner device is installed in lower zone of heat exchanger. Heat insulating screen is located between housing and heat exchanger. Gas outlet connection pipe is installed vertically in upper zone of gas channel. Detachable partition in lower and upper parts of gas channel has free zones so that combustion products can pass to gas outlet connection pipe. Guide grid is installed in heat exchanger under gas burner device. As per the second version of the invention, heating boiler does not include heat insulating screen between housing and heat exchanger at its indoor installation.

EFFECT: improving the conditions and manufacturability of the heating boiler.

25 cl, 2 dwg