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Industry: Mining and bulk material handlingEquipment: Material transfer chuteMain Problem: Combined impact and sliding abrasionSolution: Three-in-one rubber ceramic composite liners A bulk material transfer chute required additional protection in the feed zone, bottom section, and side walls. These positions were exposed to repeated material impact and continuous sliding abrasion. Based on the internal structure of the chute, three-in-one rubber ceramic composite panels were prepared. The liners consisted of cylindrical alumina ceramic elements vulcanized into rubber and bonded to a steel backing plate. The ceramic surface provided direct protection against abrasive material, while the rubber layer cushioned impact and supported the individual ceramic elements. Mounting studs on the back of the steel plate allowed the panels to be mechanically fixed to the equipment. During installation, the panels were arranged according to the shape of the chute. Special attention was given to the feed point, bottom and direction-changing areas to create continuous wear protection. The modular structure provided several practical advantages: Reduced direct contact between abrasive material and the chute shell Protection against both impact and sliding abrasion Secure mechanical fixing Easier inspection of individual wear zones Local replacement without removing the complete lining Flexible panel arrangement for irregular internal surfaces This application demonstrates how rubber ceramic composite liners can be adapted to the actual wear distribution inside a transfer chute rather than treating every area in the same way. For similar projects, customers can provide chute drawings, operating conditions and site photographs for liner layout and quotation.

A power plant's fly ash conveying pipeline faced frequent elbow wear and leakage. Elacera ceramic-lined pipes helped improve wear resistance and reduce maintenance frequency. Project Background In a fly ash pneumatic conveying system, pipeline wear usually appears faster than expected. The problem is often most serious at elbows, reducers, and pipe sections where the conveying direction changes. For one power plant application, the maintenance team found that several pipe elbows in the ash conveying line required frequent inspection and replacement. The original pipe sections were exposed to continuous fly ash abrasion during operation. Once the inner wall became thinner, leakage and dust pollution could occur around the pipeline. The customer needed a more wear-resistant solution for the high-wear pipe sections, especially elbows and connection areas. Main Problems The main problems were not limited to pipe replacement cost. The customer was more concerned about the impact on daily operations. The common issues included: Fast wear at ash conveying elbows Local thinning of the pipe wall Risk of ash leakage and dust pollution Unplanned maintenance work Short service life of ordinary steel pipe sections Higher maintenance pressure during continuous operation For power plant maintenance teams, every unexpected shutdown can affect production scheduling. Therefore, improving the wear resistance of key pipeline sections became the priority. Wear Cause Analysis Fly ash particles are small but abrasive. During pneumatic conveying, the particles move at high speed with airflow. In straight pipes, the wear may be relatively even. But when the material reaches an elbow or reducer, the particles impact the pipe wall more strongly. This is why elbows, reducers, and tees usually fail earlier than straight pipes. If these positions are still protected only by ordinary steel, the wear problem can repeat again and again. Elacera Solution Based on the working condition, Elacera recommended alumina ceramic-lined pipes for the high-wear sections of the fly ash conveying line. The solution included: Ceramic-lined elbows for direction-changing sections Ceramic-lined straight pipes for high-abrasion pipe sections Ceramic-lined reducers for areas with flow speed change Customized ceramic lining structure according to drawings Steel outer pipe for mechanical strength and installation support The alumina ceramic lining was applied to the inner wear surface of the pipeline. This allowed the ceramic layer to directly resist fly ash abrasion while the steel shell maintained the required structural strength. Why Alumina Ceramic Was Selected Alumina ceramic was selected because it provides high hardness and strong resistance to abrasive particle wear. In fly ash conveying systems, the main wear mechanism is continuous sliding abrasion and particle impact. Ceramic lining is suitable for this type of working condition because it protects the pipe wall from direct contact with the abrasive material. For elbows and reducers, customized ceramic segments can also reduce weak points in the lining structure and improve protection in high-wear areas. Practical Value for the Customer After replacing the high-wear pipe sections with ceramic-lined pipes, the customer could improve the protection of key wear positions and reduce the frequency of emergency replacement. The practical value included: Longer service life of elbows and pipe fittings Lower risk of fly ash leakage Reduced maintenance frequency Less unplanned shutdown risk Better working environment around the conveying line More stable operation of the ash conveying system For this type of application, the biggest value is not simply replacing one pipe with another. The real value is helping the plant reduce repeated maintenance problems in the most vulnerable sections of the conveying system. Recommended Products For similar fly ash conveying applications, Elacera can provide: Alumina ceramic-lined pipe Ceramic-lined elbow Ceramic-lined reducer Ceramic-lined tee Ceramic-lined ash transport pipe Customized ceramic-lined pipe fittings Customers can provide drawings, pipe dimensions, working conditions, and site photos for solution evaluation. Conclusion Fly ash conveying pipeline wear is a common problem in power plants, but it should not be treated as an unavoidable maintenance cost. By applying ceramic lining to the most severely worn pipe sections, maintenance teams can improve wear resistance, reduce leakage risk, and extend the service life of the conveying pipeline. Elacera ceramic-lined pipes provide a practical wear protection solution for power plant ash conveying systems and other abrasive pneumatic conveying applications.