Refractory work lining erosion is usually classified as chemical, thermal and mechanical erosion, which can occur singly or in combination, and the damage to the refractory can be continuous (dissolution and erosion) or discontinuous (cracking and spalling), with spalling leading to discontinuous local separation of the refractory bricks and severe slag infiltration culminating in densification of the bricks close to the hot face. .

Scrap copper prices opened low this week, with market transactions stagnant and enterprise start-up rates down. Bright copper prices in Hebei Baoding were at RMB60,600/tonne; scrap purple copper in other markets fell RMB1,200/tonne.

Recycling aluminum waste is a very important work, which can not only protect the environment, but also save resources. So, how to recycle scrap aluminum?