FIELD: metallurgy; electrolytic technology of aluminium production.
SUBSTANCE: gas collecting device is made of sections, assembled on anode case. The first version of the device consists of bell and combustion chamber in a form of the boss located underneath. The ratio between a width of the gap, connecting the combustion chamber to the bell, and a camera height is 1:(1-2). The second version of the device comprises straight and angular sections mounted along the perimeter of the anode case bottom part. The lower edge of the section is set off the anode case at 0,4-0,6 distance between the anode case and a cathode case wall.
EFFECT: higher efficiency of bell type gas suction system performance.
2 cl, 2 dwg
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