FIELD: production of heat power, possibly for heating rooms and for drying materials.
SUBSTANCE: plant includes fire box, ash pit, chimney having branch pipes, intake-exhaust chambers and flue pipes; air duct; ventilator; and flue pipe. Ends of chimney branch pipes are in the form of ellipses turned by 90 degrees one relative to another. One end of branch pipe has rectangular cutout and it is joined with angular part of fire box in such a way that small axis of ellipse is arranged in cross section of air duct. Second end is tapered and it is abutted to vertical plane of intake-exhaust chamber.
EFFECT: increased heat exchanging surface of fire box, lowered losses of heat energy to atmosphere.
3 dwg
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