| 摘要 |
FIELD: electrolytic production of aluminium. SUBSTANCE: invention concerns structural members, which are intended to be in contact with gas atmosphere in electrolytic reduction cell. Structural members are completely or partially made of concrete containing 15-30 wt % of hydraulic cement, 5-10 wt % of microsilica, and 65-80 wt % of refractory filler. EFFECT: improved design. |
