Reduction pot

Details Reduction pot Reduction pot

1986-02-11

1987-06-16

Valentine, Donald R.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204294, C25C 308

Patent

active

046734813

ABSTRACT:
A reduction pot for the production of aluminum by fused salt electrolysis comprises an outer steel shell, thermal insulation and an inner lining essentially of carbon with iron cathode bars embedded in it. The floor insulation comprises at least in part of a mechanically compacted layer of a granular material of ground insulation layers and having essentially a particle size that varies between 0.01 and 8 mm. The sidewalls of the reduction pot contain, up to at most 70% of the height (h) of the cathode bar elements, mechanically compacted granular material from ground insulation layers. Above that the thermally and electrically insulated steel shell is lined with sidewall bricks, and the gap between the sidewall bricks and the floor elements is closed off with the usual ramming mass.

REFERENCES:
patent: 4052288 (1977-10-01), Sala
patent: 4175022 (1979-11-01), Vadla et al.
patent: 4411758 (1983-10-01), Hess et al.
patent: 4430187 (1984-02-01), Snaeland et al.
patent: 4548692 (1985-10-01), Scharpey

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