Method for defining the degree of fullness in a mill

Details Method for defining the degree of fullness in a mill Method for defining the degree of fullness in a mill

B - Operations, Transporting

02

C

B02C 25/00 (2006.01) B02C 17/18 (2006.01) G01F 23/00 (2006.01)

Patent

CA 2514859

The invention relates to a method for defining the degree of fullness in a mill and the load toe angle (~k), where there are used oscillations directed to the mill electric motor, in order to define the toe of the mill load composed of the mass to be ground. According to the invention, from the obtained measurements (P(n)) related to the mill draw or torque, there is defined the phase (.theta.) of the mill oscillation by using a frequency domain analysis, and that by means of the mill oscillation phase (.theta.), there is defined the load toe angle (~k).

L'invention concerne un procédé pour définir le degré de remplissage d'un broyeur et l'angle de pincement (?¿k)? de la charge, des oscillations orientées sur le moteur électrique du broyeur étant utilisées afin de définir le pincement de la charge du broyeur composée de la masse à broyer. Selon la présente invention, la phase (?) de l'oscillation du broyeur est définie par une analyse fréquentielle à partir des mesures obtenues (P(n)) relatives à la traction ou au couple du broyeur et l'angle de pincement (?¿k?) de la charge est défini au moyen de la phase d'oscillation du broyeur (?).

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