Large-particle copper tailing pretreatment crushing device and use method thereof

The invention relates to the technical field of ore crushing, and particularly provides a large-particle copper tailing pretreatment crushing device and a using method thereof.The large-particle copper tailing pretreatment crushing device comprises a shell, a centrifugal mechanism, a collision assembly and a grinding mechanism, and the shell is provided with a feeding cavity, a centrifugal cavity, a grinding cavity and a discharging cavity; the feeding cavity, the centrifugal cavity, the grinding cavity and the discharging cavity are sequentially communicated from top to bottom; the centrifugal mechanism is rotationally arranged in the centrifugal cavity and is used for centrifuging fed materials; the collision assembly is arranged in the circumferential direction of the inner wall of the centrifugal cavity and used for conducting collision smashing on the centrifuged feed and forming a first material. The grinding mechanism is rotationally arranged in the grinding cavity, is located below the centrifugal mec