FIRE-TUBE VERTICAL HOT WATER LIQUID FUEL BOILER Russian patent published in 2021 - IPC F24H1/28 F22B7/00 F22B7/02 

FIELD: hot water supply.

SUBSTANCE: invention relates to water heating and hot water supply systems. A fire-tube vertical hot water liquid fuel boiler containing a vertical bundle of fire pipes installed inside an external pipe, pipes for direct and reverse mains water, a furnace with vortex steam-oil burner devices installed in it. The boiler contains steam generators of the pipe-in-pipe system with spiral and annular channels installed inside the heat pipes with the possibility of supplying superheated water vapor from one steam generator to the same number of steam nozzles of the burner devices, in order to maintain an equal mass flow rate of the outgoing steam from each nozzle. Steam-oil combustion provides waste-free burning of liquid fuel.

EFFECT: creation of a fire-tube vertical liquid fuel hot water boiler that does not have soot and coke deposits on the heat exchange surfaces during operation.

1 cl, 4 dwg