In the field of construction waste resource utilization, the recycling of cement blocks and gravel has become a key component of the circular economy. Its applications span road construction, concrete production, and building materials, among other areas. Machinery selection and quality control directly impact the performance and economic benefits of recycled materials. The following systematic…

As the core equipment of the mining crushing system, jaw crushers are widely used in metallurgy, building materials and other industries. The latest industry statistics in 2025 show that about 23% of equipment unplanned downtime accidents are related to eccentric shaft abnormalities. This article combines the five-year maintenance data of a large domestic iron ore…