GAS-COLLECTING BELL OF ALUMINUM ELECTROLYZER Russian patent published in 2000 - IPC

FIELD: aluminum production. SUBSTANCE: gas-collecting bell is manufactured from mounted sections attached to horizontal belt of anode enclosure with the use of brackets and carrying outer inclined, central horizontal and inner walls. Inner walls rest against anode enclosure, internal spaces of sections have vertical ribs made fast to their walls. Brackets are rigidly joined to horizontal walls of sections in their middle part and center of gravity of sections is displaced relative to their attachment unit on anode enclosure towards their outer walls. EFFECT: improved leak-tightness and serviceability of gas-collecting bell. 2 cl, 4 dwg