Introduction to Ceramic Wear-Resistant Elbows
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I. Introduction to Ceramic Wear-Resistant Elbows: Al2O3 ceramics: With a high alumina content and a relatively dense structure, they possess special properties, which is why they are referred to as specialty ceramics. Al2O3. Ceramic materials have a hexagonal close-packed structure composed of oxygen ions, with aluminum ions filling two-thirds of the octahedral interstices; this is the same α-Al2O3 structure as that of natural corundum, and as a result the ceramics possess a high melting point, high hardness, and excellent wear resistance. The hardness of ceramic patches is ≥ HRA85, second only to that of diamond; moreover, their surfaces are smooth with a low friction coefficient, giving them excellent wear resistance. Especially in high-temperature oxidative or corrosive environments, the performance of ceramic patches far exceeds that of other metal materials. II. Structural forms of wear-resistant elbows: Wear-resistant elbow types: Interlocked ceramic patches to prevent detachment. The inner lining is wear-resistant ceramic, while the outer tube is welded steel pipe made of Q235A material. Refer to the \"Typical Design Manual for Components of Flue Gas, Wind, and Coal Powder Piping\" D-LD2000-16201~16290. The interpressurized welding-reinforced ceramic patch composite wear-resistant elbow is a product developed by our company specifically to address the abrasion problem in the pipelines of coal powder preparation and transportation systems in coal-fired power plants; it serves as a solution in the field of engineering wear resistance. https://pics7.baidu.com/feed/838ba61ea8d3fd1f137c9a854276c71994ca5fd2.jpeg?token=862459eeb56632123e94d8326c498514 Wear-resistant elbow, ready for shipment. https://pics3.baidu.com/feed/b812c8fcc3cec3fd38d6212da4b03639869427b9.jpeg?token=d6c601d0a00eb3c83495115bf84a7bce Detailed view of the ceramic wear-resistant elbow. https://pics7.baidu.com/feed/b3119313b07eca801bfd9ba4e11b75dba04483bc.jpeg?token=a837a652561615bb4ec4aa11d510b952 Interlocking ceramic tiles
Welded ceramic wear-resistant elbows and pipes are created by using high-temperature resistant adhesives to attach aluminum oxide ceramic plates with holes in them to the inner wall of the pipe; simultaneously, a spot welding process is employed to firmly weld the ceramic to the inner wall of the steel pipe through those holes. To protect the solder joint, screw on the ceramic cover. The production process for welding ceramic wear-resistant elbows is relatively complex; welding combined with bonding provides dual-layer reinforcement, preventing the ceramic pieces from falling off. Such elbows are often used in pipelines that are subject to high impact forces and require high wear resistance.
Steel plant dust removal 400 elbow *** Technical requirements 3.1 The design, manufacturing, inspection, testing, and packaging of this equipment shall all comply with current standards, industry standards, and other relevant standards. 3.2 The performance of the 3.2-inch pipes shall meet the design and operational requirements for the pipe fittings in the powder delivery pipeline of this project’s grinding system. 3.3 The connection method for the pipe is welding (butt welding) ； The ellipticity is less than 0.5 mm; all welds are subjected to an oil penetration test uniformly, and 10% radiographic inspection is carried out with satisfactory results ； 3.4 The lifespan of the tube is not less than 10 years (8,000 hours of operation per year). 3.5 The seller bears an undeniable responsibility for the technology and quality of the equipment supplied. 3.6 The seller is required to provide a table detailing the technical performance and parameters of the pipes supplied, in accordance with the specified technical performance requirements. 3.7 The shape of the tube, as well as the dimensions of all interfaces and installation dimensions, must fully meet the requirements. The inlet and outlet pipes are each equipped with a certain length of welded section; grooves are prepared, and they are welded to the powder feed pipe. There are no special requirements for on-site welding of the product, ensuring good welding performance when it is welded at normal room temperature.