Trituradora de rodillos del tipo que comprende un par de rodillos de trituración paralelos entre sí y que giran en direcciones opuestas, cada uno de los rodillos comprende un eje que tiene porciones finales montadas en cojinetes, un dispositivo de alimentación, y un recinto de protección contra el polvo encima de la zona de trituración.

摘要

The invention relates to a roller crusher (1) of the type which comprises a pair of crushing rollers (2). The crushing rollers (2) are generally parallel to one another and rotate in opposite directions, each roller (2) including a shaft (3) which has end portions (4) mounted in respective roller bearings (5). The roller crusher (1) comprises a feeding arrangement (6) for feeding material to be crushed to a crushing zone (Z) of the roller crusher (1). The roller crusher (1) is characterized in that it further comprises a dust protecting enclosure (7) enclosing the crushing zone (Z), the dust protecting enclosure (7) having an inlet opening (10) upstream of the crushing zone (Z) and in communication with said feeding arrangement, (6) and an outlet opening (11) downstream of the crushing zone (Z), and in that the roller bearings (5) are arranged outside of the dust protecting enclosure (7).