HORIZONTAL HEATING BOILER Russian patent published in 1995 - IPC

FIELD: heat power engineering. SUBSTANCE: open end of the furnace chamber is secured to the cover of the housing made up as a plate with openings. One ends of fire tubes are secured in the openings and interconnected to define a passageway. The passageway connects the furnace chamber with the discharging gas duct. The ends of the pipes in the cover are interconnected through gas by-pass boxes. The open end of the first pipe is connected with the furnace chamber. The furnace chamber is brought out of the cover and coupled with the discharging gas duct. EFFECT: enhanced efficiency. 3 cl, 11 dwg