HOT-WATER BOILER BLOCK Russian patent published in 2002 - IPC

FIELD: designed for water heating, applicable for heat supply. SUBSTANCE: the hot-water boiler block has interconnected heat-exchange panels with windows, gas-circulating cavities formed by transverse walls and gas-proof shells, and a furnace made for burning of solid and gas-liquid fuel. The furnace at burning of gas-liquid fuel is positioned in the windows of the panels and provided with a body, and at burning of solid fuel it is provided with refractory settings. Installed in the windows of the panels connected by threaded bushes are perforated catalytic water walls, and the body, transverse walls and shells may be provided with heat insulation. EFFECT: enhanced efficiency of heat exchange. 4 dwg