HOT-WATER BOILER Russian patent published in 2020 - IPC F23B30/06 

FIELD: fuel combustion methods and devices.

SUBSTANCE: hot-water boiler relates to boiler construction and can be used in designs of low-power hot-water boilers for municipal systems. Hot-water boiler comprises a housing, a convective unit with a flue gas outlet window, a radiation unit made with front, rear, ceiling and side furnace screens, fire grate, accumulation bin, furnace combustion zone and afterburning zone, with blowing swirling nozzles. Said nozzles are arranged in annular spaces of front furnace screen and rear furnace screen made with swirler. Boiler comprises a fuel metering device made with a pusher blade platform and an outlet extension with a metering channel; a guide support is arranged under the outlet extension. Also the boiler contains fuel distribution device, containing a scrolling device with a shimming plate installed on the bearing carriage.

EFFECT: technical result is improved design effectiveness and intensification of combustion process with high completeness of fuel combustion and with higher use of heat energy, higher reliability of operation, technical and environmental characteristics, as well as simplified maintenance and repair.

3 cl, 4 dwg