Cement and aggregate co-production line

The invention relates to the technical field of building materials, in particular to a cement and aggregate co-production line which comprises a raw material grinding device used for grinding limestone in a cement production line, the raw material grinding device is provided with a first feeding port, a powder outlet and a slag discharging port, and the powder outlet is used for cement preparation; the crushing device is provided with a second feeding port and a discharging port, and the second feeding port is communicated with the slag discharging port and used for crushing discharged materials of the slag discharging port; the screening device is communicated with the discharge hole of the crushing device and is used for screening the materials discharged from the discharge hole of the crushing device to obtain aggregates in a target particle size range; and the temporary storage bin is arranged between the slag discharging opening and the crushing device and has a material storage state for storing materia