For iron ore crushing production lines with a processing capacity of 50–100 tons per hour (tph), the equipment configuration must fully account for the high hardness and strong abrasiveness characteristic of iron ore to ensure efficient and energy-saving crushing operations.

First, a jaw crusher—such as the PE600×900 model—is typically selected for the primary crushing stage. This device is capable of effectively processing raw ore with a maximum feed size of approximately 500 mm, reducing it to less than 150 mm to provide a stable and appropriately sized feed for subsequent processes.

Second, a cone crusher—such as the HPT300 model—is recommended for the secondary and tertiary crushing stages. Material that has undergone primary crushing is fed into the cone crusher, where it is further reduced to a fine particle size of approximately 30 mm. By utilizing a laminated crushing principle, the cone crusher ensures high crushing efficiency and excellent product shape when processing high-hardness iron ore, while simultaneously minimizing wear on vulnerable components.

To achieve more precise particle size control and enhance overall system efficiency, a closed-circuit configuration is recommended. This involves installing a vibrating screen (such as the 2YK3070 model) downstream of the cone crusher; oversized material retained on the screen is returned to the cone crusher for further reduction, while qualified fine material passing through the screen proceeds to the next stage (e.g., grinding or product stockpiling). This configuration effectively guarantees uniform product granularity and minimizes over-crushing, making it an ideal choice for small-to-medium-scale iron ore crushing projects.