Wear-resistant alumina ceramic perforated plates, also known as holed lining bricks, are structural ceramic components engineered for high-wear conditions. These products are manufactured using high-purity alumina (Al2O3) as the main raw material, formed through high-pressure molding and high-temperature sintering, resulting in extremely high hardness and density . A defining feature is the presence of regularly spaced pre-drilled mounting holes, which not only facilitate secure attachment to equipment shells via welding or embedding but also allow for interlocking installation that creates a seamless wear-resistant layer, effectively combating material erosion and impact.

Regarding technical performance, the core specifications of this product include: an alumina content typically between 92% and 95%, a bulk density ≥3.5 g/cm³, a Rockwell hardness (HRA) reaching above 80, and a compressive strength exceeding 850 MPa . Certain high-purity series can achieve a density of ≥3.7 g/cm³ and a flexural strength exceeding 300MPa, ensuring prolonged service life in abrasive wear environments . These materials are widely used in material handling systems across industries such as thermal power, steel, mining, and cement, serving as linings in chutes, bins, cyclones, and mill outlets to withstand severe wear from bulk materials .

The installation process is critical to the performance of perforated plates. The common method employs a composite fixing technique: first, corresponding metal cups or bolts are welded onto the equipment substrate. Then, a high-temperature resistant adhesive is applied to the back of the ceramic plate before embedding or attaching it. Finally, ceramic caps are screwed into the holes on the plate surface to protect the weld points . This "welding + adhesive" dual-fixation method not only utilizes the cushioning and energy-absorbing properties of the ceramic adhesive but also ensures the liner"s absolute stability under vibration or high-temperature conditions through mechanical welding, effectively preventing the risk of detachment that can occur with single bonding methods.

In summary, the wear-resistant alumina ceramic perforated plate offers an efficient anti-wear solution for industrial applications due to its excellent mechanical properties and reliable installation design. Its customizable production capabilities allow it to match various equipment sizes and operating conditions, effectively extending maintenance cycles and reducing operational costs . When selecting this material, parameters such as alumina content, hardness, and impact resistance should be considered alongside standardized installation procedures to achieve optimal protection performance.