BOILER FOR HEATING WATER Russian patent published in 2006 - IPC F24H1/00 

FIELD: heat power engineering.

SUBSTANCE: boiler comprises pressure-tight housing whose bottom section receives the furnace chamber and fire tubes. The heat exchanger is mounted above the fire tubes. The housing of the boiler is provided with the pressure-tight baffle that is arranged above the heat exchanger and defines the additional chamber together with the top section of the housing. The additional chamber is connected with the bottom section of the boiler through at least one pipe. The bottom exit section of the pipe is arranged between the heat exchanger and fire tubes. The top section of the additional chamber is provided with automatic unit for discharging air.

EFFECT: enhanced efficiency.

2 dwg