A heating boiler for oil - or gas-fired furnace substances and firmly fuel

摘要

P boiler heated either to the fuel oil or gas, or to the solid fuels, and comprising, in a single compartment of the water reservoir of the boiler, separate combustion chambers, for the burner on the one hand and for the solid fuels of the other hand, as well as evacuation conduits of the flue gases, which constitute the heating surfaces inserted at the rear and which are traversed by the combustion gases before their discharge of the boiler, characterized in that the two combustion chambers 1, 2 are equipped with ducts for discharging the flue gases distinct 5, 6, which completely separated from one another, pass through the compartment of the water reservoir of the boiler 4 and is found that, in a common collector of the flue gases thus removed from the boiler. / p