Method of using a chisel for a crust breaking facility

Details Method of using a chisel for a crust breaking facility Method of using a chisel for a crust breaking facility

1981-11-19

1983-04-19

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

C25C 306, C25C 314, C25C 1508

Patent

active

043804926

ABSTRACT:
Device and method for breaking open the solidified crust of electrolyte on an electrolytic cell, in particular a cell for producing aluminum. At least one projection is provided on the lower part of the shaft of a chisel used on a crust breaker. After breaking through the crust, the chisel is lowered further at least until the lowest projection or projections reaches the lower half of the crust.

REFERENCES:
patent: 3551308 (1970-12-01), Capitaine et al.

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