HEATING BOILER Russian patent published in 2013 - IPC F24H1/00 

FIELD: heating.

SUBSTANCE: heating boiler comprises a casing with at least one door, nozzles of water supply and drain and a stack. Upper, lower, rear and side walls of the casing and also stack walls are made as hollow. Inner cavities of the above walls are made as capable of communication both between each other and with nozzles of water supply and drain. The stack is installed on the front part of the casing, closer to the door, at the same time the place of initial ignition of fuel is located near the base of the stack. A heat exchanger may be installed on the stack. The heating boiler may additionally be equipped with a fire bar. The heating boiler may additionally be equipped with an ashpit. The heating boiler casing may be made of metal.

EFFECT: reduced fuel consumption, higher efficiency and cost-effectiveness.

5 cl, 3 dwg