FIELD: furnaces and ovens.
SUBSTANCE: invention relates to furnaces with combustion air supply, including those adapted for carrying. Portable furnace includes cylindrical housing installed vertically, with upper and lower bases, combustion chamber of solid fuel, telescopic device with air distributor, made with possibility of movement along axis of housing as fuel burns. A heat recuperator is located above the combustion chamber, and a hole for output of fuel combustion products is made in the housing. Around the outer side of the housing there is a screen with formation of space between the housing and the screen, with holes for air supply and outlet. In addition, the housing also has dampers for loading fuel and removing ash. Heat recuperator includes transverse partition with through channels and at least two gusset plates attached to upper outer pipe of said telescopic device and upper base of cylindrical housing.
EFFECT: technical result is an increase in the efficiency of the furnace with provision for the duration of combustion at one filling with fuel.
7 cl, 6 dwg
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