KWH boiler

KWH boiler is a low temperature water boiler equipped with three-way exhaust gas circulation, fired with solid fuel or hot exhaust gas transferred to the combustion chamber from a prefurnace.The structure is of bent/welded type. Inside of boiler there are heated water chambers built in side walls and combustion tubes and forming two exhaust gas draft. The prefurnace contains water grid made of steel profiles; the grid is also included into boiler's water circulation.