System for processing high-quality machine-made sandstone from iron ore waste

The utility model provides a system for processing high-quality machine-made sandstone from iron ore waste, which belongs to the technical field of tailing treatment and comprises an iron ore treatment subsystem, a first coarse crushing machine, a first intermediate crushing machine, a first magnetic separator, a ball mill, a second magnetic separator, a dewatering screen, a mixing machine, a first grading screen and a first grading mixing machine, the surrounding rock treatment subsystem comprises a second coarse crushing machine, a second intermediate crushing machine, a particle shaping machine, a second grading screen and a second grading mixer which are connected in sequence; according to the system for processing the high-quality machine-made sandstone from the iron ore waste, the iron ore and the iron ore surrounding rock are adopted as raw materials, the four products of iron fine powder, high-quality graded sand, high-quality coarse aggregate and tailing fine powder are produced by comprehensively ut