The wear resistance of zirconia ceramic lining bricks is 15 times that of alumina ceramics, and its friction coefficient is only half of that of alumina ceramics, while the friction coefficient of alumina ceramics itself is very low. The density of zirconia ceramics is higher than that of alumina ceramics. The density of alumina ceramics is 3.6, and the density of zirconia ceramics is ≥ 6. The texture is more delicate, and after grinding, the surface smoothness is higher, appearing mirror like, extremely smooth, and the friction coefficient is smaller. In addition, zirconia ceramics have excellent toughness, overcoming the inherent brittleness of ceramics, and have higher wear resistance, greatly extending the product's service life.