Method and apparatus for detecting and eliminating short-circuit

Details Method and apparatus for detecting and eliminating short-circuit Method and apparatus for detecting and eliminating short-circuit

1976-04-01

1977-07-26

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204225, 204228, C25C 100, C25C 706

Patent

active

040381625

ABSTRACT:
In an electrolytic tank wherein cathode sheets and anode plates are arranged alternately close to each other and wherein the cathode sheets are attached to cathode bars being in contact with current rails of the tank, there is provided a method and a device for detecting and eliminating short-circuits between cathodes and anodes, in which method and apparatus the total current of each cathode bar is determined by measuring a current dependent quantity, such as the magnetic field, the temperature or similar, thereof, a short-circuit condition is recognized if the determined current exceeds a predetermined value, and, whenever such short-circuit is thus detected, the cathode sheet in question is replaced with a fresh cathode sheet by a device which is movable along rails or similar above the cathode/anode row and which is provided with a fork member or similar for lifting the defect sheet and for lowering the new sheet to replace the one removed. Preferably the detecting means comprises a row of gaussmeters attached to a common bar extending along the row of cathodes/anodes. The replacing device may comprise a movable carriage and the operation thereof is preferably controlled automatically by a programmed control unit.

REFERENCES:
patent: 679357 (1901-07-01), Betts
patent: 1996342 (1935-04-01), McGregor
patent: 2897129 (1959-07-01), Dilling
patent: 3574073 (1971-04-01), Ralston, Jr.
patent: 3944995 (1976-03-01), Kobayashi

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