Production process of self-igniting ceramic composite steel pipe

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1. Production process: The self-igniting ceramic composite steel pipe is manufactured using an advanced self-igniting high-temperature centrifugal synthesis process. The tube is composed of three layers, from the inside out: corundum ceramic, a transition layer, and a steel core. The ceramic layer is a dense corundum porcelain formed at temperatures above 2200 degrees, and it forms a strong bond with the steel pipe through the transition layer. This process is formed using the self-propagating centrifugal casting method, which primarily relies on the chemical reactions of the materials themselves; the exothermic combustion generates high temperatures, and new materials are synthesized as the combustion wave propagates. 2. Performance features: It boasts excellent wear resistance; the lining layer is made of corundum porcelain, with a Mohs hardness of >9.0, which is equivalent to HRC >90. As a result, it offers high wear resistance when used to transport any type of fluid in industries such as power generation, metallurgy, mining, coal mining, and chemicals. Its service life is more than 10 times that of ordinary steel. Due to the single, stable crystal structure of the corundum porcelain lining, the material does not experience significant linear expansion even when operating at temperatures up to 600°C. The inner surface of the composite steel pipe is smooth, resulting in low operational resistance. It also possesses comprehensive properties such as corrosion resistance and anti-scaling capabilities. It has good weldability, allowing for connections using methods such as direct welding, flange connection, or quick connectors, making its installation very convenient. 3. Wide range of applications: Due to its wear resistance, corrosion resistance, and heat resistance, this type of pipe can be widely used in industries such as electricity, metallurgy, mining, coal, and chemicals for transporting abrasive particles and corrosive substances such as sand, stones, coal powder, ash, and aluminum melt. It is an ideal pipe for applications requiring wear and corrosion resistance.      1. Applications in the metallurgy and power industries  The metallurgy and power industries require a large amount of metal pipes each year for transporting coal powder, ash, slurry, and other materials. Replacing other pipes with ceramic composite pipes offers advantages such as high wear resistance, long service life, easy installation, and significant economic benefits; its operational lifespan is ten times or even dozens of times longer than that of steel pipes.   2. Applications in the mining and coal industries   (1) Mines: The transportation of mine fill, concentrate powder, and tailings causes severe wear on pipelines. The pipeline systems used for transporting mine powder in places such as Panzhihua and Daye mines previously had a service life of less than one year; by using this type of pipeline, the service life can be increased by about 5 times.   (2) Coal: Wet transportation is commonly used for coal washing and long-distance pipeline transport of coal; therefore, the pipes used must be both wear-resistant and corrosion-resistant. Pipes of this type can serve as long-lasting transportation solutions, offering significant economic benefits.    3. Others   (1) This tube does not contaminate nor stick to molten aluminum. Materials that are sensitive to iron contamination and require heavy labor for cleanup and maintenance after use are currently the ideal ones for manufacturing aluminum melting equipment, aluminum melt transfer pipes, and lift pipes.   (2) This pipe has good wear resistance and resistance to thermal corrosion. Suitable for transporting corrosive materials containing solid particles, as well as corrosive media such as high-temperature corrosive gases and sulfur-containing geothermal water.