HOT-WATER BOILER Russian patent published in 2016 - IPC F24H1/00 

FIELD: heating.

SUBSTANCE: invention is intended for heating water and can be used in heat engineering. Hot-water boiler comprises a body with tubular heat exchange elements, located inside the body in parallel with its longitudinal axis and passing through the tube sheets and transverse walls with segment cutouts. On one end of the body there is a combustion chamber containing an injection burner, provided with an outlet nozzle, which is a blind branch pipe connected with two circular collectors, in which there are holes for output of the gas-air mixture, an ignition device located perpendicular to the axis of the combustion chamber. On the other end of the body there is a stack. In the input part of the combustion chamber a secondary air control assembly can be located.

EFFECT: invention shall improve technical characteristics of a hot-water boiler.

1 cl, 4 dwg