FIELD: heating and boiling ovens. SUBSTANCE: oven consists of fire box with fire grate, ash pit, body and guard casing. Casing is attached to weded plating and support by means of cross-piece in form of narrow plates and rods. Body and casing form space round fire box and ash pit and narrowing from bottom upwards and opened in these directions. Fire box is communicated with atmosphere through gas duct. EFFECT: higher efficiency. 1 dwg
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