HOT-WATER SOLID-FUEL BOILER Russian patent published in 2013 - IPC F24H1/00 

FIELD: heating.

SUBSTANCE: solid-fuel boiler consists of a housing, a loading fuel silo located inside the housing and having a fuel loading door, a heat exchanger located in the housing cavity and a combustion zone air supply system. Heat exchanger is lined with heat-resistant material; lining has gradual layer thickness increase from the boiler top to the boiler bottom, and the housing cavity has gradual width increase from the boiler bottom to the boiler top. The combustion zone air supply system consists of primary air heating chamber and secondary air heating chamber, which are installed above the loading door; at that, air is supplied from primary heating chamber to the combustion zone through a telescope, and air is supplied from secondary heating chamber to the combustion zone above the telescope. Secondary air heating chamber is located under primary air heating chamber, and air from secondary chamber is directed in the form of a dissipating flow towards the boiler side surface.

EFFECT: complete fuel combustion.

4 cl, 2 dwg