Metodo para la salida o evacuacion de material mineral desde molinos de tambor, del tipo que tiene una pared de tamizado o cribado dentro del tambor, donde en un bolsillo de coleccion de material que tiene la capacidad de recoger y transportar material mineral, esta dispuesta una camara elevadora de pulpa en la que el bolsillo es colocado a un nivel radialmente mas cercano del eje de rotacion del tambor que la pared limitante de la camara; y disposicion asociada.

摘要

The invention concerns a method and an arrangement for the output of mineral material from a drum mill having a horizontal rotation axis, a sieving wall at its end wall, material can leave through the sieving openings in to pulp-lifting chambers, limited by the sieving wall, the end wall, a limiting wall, and limiting walls that lead towards an output cone, whereby material in the pulp-lifting chamber is emptied down towards the output cone when the pulp-lifting chamber is an upper part of a revolution. In order to increase the rate of revolution, material that does not reach the material output cone is collected in a material collection pocket which carry the material at a level radially closer to the rotation axis than the inner limiting wall, whereby collected mineral material leaves the material collection pocket during, a subsequent revolution.