FIELD: nonferrous metallurgy, electrolytic production of aluminum. SUBSTANCE: anode enclosure of aluminum electrolyzer with top current lead and self-baking anode includes duct with longitudinal and butt walls and stiffeners. Stiffeners are made in the form of stressed frame located in upper part of duct formed by closed stressed mount of box section arranged along perimeter of duct and by one lateral stressed member as minimum rigidly joined to stressed frame. Height of stressed frame amounts to 0.35-0.6 and width - to 0.1-0.3 height of walls of duct. EFFECT: prolonged service life of anode enclosure and improved quality of anode. 2 cl, 4 dwg
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