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Vol 182
Pages:
159-161
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RUS
Research article
Metallurgy

Side lining of aluminum electrolyzer from silicon carbide

Authors:
V. V. Napsikov
About authors
  • Student G.V. Plekhanov Saint Petersburg State Mining Institute
Date submitted:
2008-09-29
Date accepted:
2008-11-23
Date published:
2009-04-21

Abstract

It’s offering replacement coal blocks of side potlining of electrolysis bath on silicon carbide slabs. Expediently to use silicon carbide blocks because they have the advantage of coal blocks: higher oxidation stability, higher real resistance, higher physical strength. Using these advantages in electrolysis baths renders possible: to reduce oxygen demand of side potlining surface; raise incorrodibility of side blocks on interracial metal-electrolytic conductor; to reduce saturation degree side blocks by fluorides from electrolytic conductor; to reduce current drain through the side potlining; to control skull degree growing superiorly. The result is following: increasing durability of electrolytic furnace without pot relining from 48 until 72 months.

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