Continuous prebaked anode cell

Chemistry: electrical and wave energy – Apparatus – Electrolytic

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Details

204279, 204290R, C25D 1704

Patent

active

056652135

ABSTRACT:
A support structure for supporting continuous prebaked anodes in an aluminium smelting cell comprises a pair of side plates (3) and a pair of end plates (4) connected together to form an enclosed superstructure. The supporting structure includes at least one pair of spaced cross-plates (8, 9) that are configured to provide wedging surfaces which act to support an anode (14) therebetween. Electrical current is fed to the anodes via the cross-plates. Respective pairs of cross-plates supporting adjacent anodes may be spaced to define heat exchange passages which can be used to control the temperature of the support structure. A method for operating an aluminium smelting cell at variable amperage by positive and controlled extraction of heat from the cell.

REFERENCES:
patent: 2739113 (1956-03-01), Horsfield
patent: 2958641 (1960-11-01), Reynolds
patent: 3020220 (1962-02-01), Helling
patent: 4354918 (1982-10-01), Boxall et al.
patent: 4417097 (1983-11-01), Das
patent: 4608134 (1986-08-01), Brown
patent: 4608135 (1986-08-01), Brown
patent: 4622111 (1986-11-01), Brown et al.
patent: 4749463 (1988-06-01), Holman
patent: 5071534 (1991-12-01), Holmen et al.
patent: 5286353 (1994-02-01), Wilkening
patent: 5364513 (1994-11-01), Sekhar et al.
Derwent Abstract No. 14193k/06, Class X25, SU, A 916609 (Alum Magn Electr Inc) 30 Mar. 1982 whole abstract.
F.H. Dethloff, "Heat Recovery from Pot Gas From Electrolytic Reduction Cells for Producing Aluminum", (1983). No Month Available.

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