Method for verifying the filling level of coal in a ball mill

Details Method for verifying the filling level of coal in a ball mill Method for verifying the filling level of coal in a ball mill

B - Operations, Transporting

02

C

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

Patent

CA 2365299

The method for verifying the filling level in a ball mill fed by material which is to be ground and provided with a rotationally mounted drum on two distant bearings consists in measuring the weight of the drum with the aid of bondage-gage weighing sensors (11-16) disposed underneath the bearings supporting the drum of the mill and in comparing the measured weight with a set value that is pre-established with a view to regulating the supply of material which is to be ground to said mill. According to the inventive method, the weight measured by a first weight value (FV) representing the vertical component of the effort created by the rotational driving torque of the drum is corrected before the comparison step.

Le procédé pour contrôler le niveau de remplissage d'un broyeur à boulets alimenté en matériau à broyer et doté d'un tambour monté rotatif sur deux paliers distants, consiste à mesurer le poids du tambour à l'aide de capteurs de pesée à jauges de contrainte (11-16) disposés sous des paliers supportant le tambour du broyeur et à comparer le poids mesuré à une valeur de consigne préétablie en vue de réguler l'alimentation du broyeur en matériau à broyer. Il prévoit en outre que l'on corrige, avant l'étape de comparaison, le poids mesuré par une première valeur pondérale (Fv) représentative de la composante verticale de l'effort créé par le couple d'entraînement en rotation du tambour.

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