FLUE GAS RECIRCULATION SYSTEM FOR BIOMASS HEATING SYSTEM

摘要

biomass heater (1) for firing fuel in the form of pellets and/or scrap, having a boiler (11) with a combustion device (2),a heat exchanger (3) with an inlet (33) and an outlet, where the combustion device (2) has a combustion chamber (24) with a primary combustion zone (26) and a secondary combustion zone (27) intended downstream, and the secondary combustion zone (27) of the combustion chamber (24) is electrically connected to the input (33) of the heat exchanger (3), and the primary combustion zone (26) is laterally encompassed by a majority of combustion chamber stones (29).