Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1979-01-26
1980-07-01
Prescott, Arthur C.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204243R, C25C 306, C25C 308
Patent
active
042105145
ABSTRACT:
The invention concerns a process for reducing magnetic disturbances in series of electrolysis tanks operating at high current strength.
The process comprises passing the negative connecting conductors between the tanks and fixing the distribution of current between the downstream end and the upstream end or the central riser input members of each tank, so as to nullify the component By of the magnetic field at the center of the tank and to render anti-symmetric the component By of the magnetic field at the middle of the long side of the tank, relative to the axis Oy. The field of the adjacent row is also compensated by means of a compensation conductor through which passes a current which circulates in the opposite direction to the electrolysis current.
Use for the production of aluminium in series of electrolysis tanks which are supplied with current strengths which may reach 200,000 amperes.
REFERENCES:
patent: 3736244 (1973-05-01), Bohner et al.
patent: 3969213 (1976-07-01), Yamamoto et al.
patent: 4072597 (1978-02-01), Morel et al.
patent: 4090930 (1978-05-01), Morel et al.
patent: 4132621 (1979-01-01), Morel et al.
Dugois Jean-Pierre
Morel Paul
Aluminum Pechiney
Prescott Arthur C.
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