| 主权项 |
1. A plant for crushing mineral materials, in particular for the equipment of a cement plant, comprising:
a hermetic enclosure extending along a vertical direction, said enclosure comprising at least one first mouth connected to a supply duct of the mineral materials, a second mouth connected to a first duct for extracting fine particles, a third mouth connected to a second duct for extracting residual coarse particles, and a fourth gas inlet mouth ; at least one roller press housed inside the enclosure in an intermediate portion thereof, the roller press being arranged for crushing the mineral materials, in such a manner as to form fine particles, intermediate particles, and residual coarse particles; at least one first separator of cascade type, housed inside the enclosure in a lower portion thereof, arranged to separate: the residual coarse particles from the roller press with a view to their extraction by the second extraction duct; and the fine particles and the intermediate particles from the roller press; a second separator, dynamic, housed inside the enclosure in an upper portion thereof, arranged to separate the fine particles from the intermediate particles, with a view to crushing the intermediate particles by the roller press; and suction means configured to extract only the fine particles by the first extraction duct. |
