Encapsulated cathode hanger bar and method of manufacturing

Details Encapsulated cathode hanger bar and method of manufacturing Encapsulated cathode hanger bar and method of manufacturing

C - Chemistry, Metallurgy

25

C

C25C 7/02 (2006.01)

Patent

CA 2489889

A cathode for use in the refining or winning of metals, typically used in the electro-refining or winning of copper, comprising a substantially flat deposition plate fixedly attached along an upper edge thereof to an elongate hanger bar thereby defining a connection. A protective cladding is attached to the deposition plate and at least partially surrounding the hanger bar such that a cavity is defined in the region of the connection. A corrosion resistant material fills the cavity. In this manner the corrosion resistant material prevents corrosive substances from penetrating the connection. The corrosion resistant material prevents corrosive electrolytic solution and other liquids from corroding the conductive connection between the deposition plate and the hanger bar which would otherwise reduce efficiency of the cathode.

Cathode conçue pour le raffinage ou l'extraction de métaux, plus particulièrement utilisée dans l'électro-raffinage ou l'extraction du cuivre, comprenant une plaque de dépôt pratiquement plate fixée le long de son bord supérieur à une barre de suspension allongée, ce qui permet de définir un raccord. Une enveloppe protectrice est fixée à cette plaque de dépôt et entoure au moins partiellement la barre de suspension, de façon à définir une cavité dans la zone du raccord. Un matériau résistant à la corrosion remplit la cavité. Ce matériau empêche, de ce fait, des substances corrosives de pénétrer dans le raccord. Ce matériau résistant à la corrosion empêche la corrosion du raccord conducteur, sous l'effet de la solution électrolytique corrosive ou d'autres liquides, entre la plaque de dépôt et la barre de suspension, ce qui diminuerait sinon l'efficacité de la cathode.

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