Method and device for sensing wear

G - Physics – 01 – N

Patent

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G01N 27/20 (2006.01) B02C 23/00 (2006.01) G01N 17/00 (2006.01)

Patent

CA 2557445

A sensor for detecting erosion of a wear surface of a component, particularly a liner attached to the mill shell of a rotating grinding mill. The sensor comprises a conductive element embedded in the component, the conductive element comprising a first end positioned at a first distance from the wear surface, at least one conductive loop comprising a wear portion positioned at a second distance from the wear surface proximate to the first end and a circuit coupled to the at least one element for determining a continuity of the conductive loop.

L'invention concerne un capteur qui permet de détecter l'érosion de la surface d'usure d'un composant, en particulier une gaine fixée à la coquille de broyage d'un broyeur rotatif. Le capteur comprend un élément conducteur intégré dans le composant. L'élément conducteur comprend une première extrémité placée à une première distance de la surface d'usure, au moins une boucle conductrice comprenant une partie d'usure située à une seconde distance de la surface d'usure avoisinant la première extrémité, ainsi qu'un circuit couplé à l'élément pour déterminer la continuité de la boucle conductrice.

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