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The main raw materials for magnesia refractories are magnesite, dolomite, and brucite. These minerals are abundant in my country’s natural resources, primarily distributed in coastal areas such as Liaoning, Shandong, and Hebei provinces, providing a favorable resource foundation for the development of magnesia refractories in my country. This has made China the world’s largest producer […]

The use of refractory materials for converter linings directly affects the safety, operation, and production of steel plants, and significantly impacts steelmaking costs. Advanced steel plants and refractory material suppliers consider converter refractory material consumption as a key performance indicator. Currently, the most intuitive and scientific way to measure converter refractory consumption is by ton-of-steel

During the operation of medium-frequency furnaces, the refractory material used for the furnace lining is only 70-110mm thick. The inner side is in contact with the high-temperature molten metal, while the outer side is in close contact with the water-cooled coils. This results in a significant temperature difference between the inner and outer sides of

Magnesium rammed refractories are produced using an oxygen-enriched side-blown melting pool process. The primary equipment consists of an oxygen-enriched side-blown melting pool furnace, a settling electric furnace, and a continuous refining furnace, arranged sequentially from highest to lowest temperature. The molten material flows through channels between each furnace. This process represents a new, highly efficient,

The use of inorganic non-metallic wear-resistant materials such as SiC, corundum, and high-alumina ceramics instead of alloy metal wear-resistant materials has achieved excellent results in industries like cement and metallurgy, with significant economic benefits. Considering the operational characteristics of slag channel linings—which endure long-term exposure to acidic media and intense erosion—the selected high-strength acid-resistant wear-resistant

Refractory castables, as the key lining material for industrial furnaces, directly impact the service life of thermal equipment and production safety through their construction quality. During winter construction in low-temperature environments, material performance, construction techniques, and quality control face significant challenges. This guide systematically presents a comprehensive technical solution for winter refractory castable construction. It

I. What Are Refractory Materials? Refractory materials generally refer to inorganic non-metallic materials with a refractoriness exceeding 1580°C. They encompass natural ores and various products manufactured through specific processes to meet particular requirements. Possessing certain high-temperature mechanical properties and excellent volume stability, they are essential materials for various high-temperature equipment. II. Types of Refractory Materials:

The article analyzes the erosion mechanisms of refractory bricks in various sections of the working lining of refined steel ladles and proposes an optimized design. Results indicate: 1) Selecting electrofused magnesia with large crystals strengthens the matrix of magnesia-carbon bricks, enhancing their erosion resistance; introducing asphalt-modified phenolic resin improves the thermal spalling resistance of magnesia-carbon

The quality of the furnace lining is one of the key factors affecting the performance of coreless induction furnaces. Due to operators’ limited familiarity with induction furnaces, short lining service life is a common issue. By employing different vibrators to compact dry vibrated materials during the lining construction process, we can extend the lining’s lifespan,

Although the three major components of continuous casting serve different functions, their raw materials and production processes are largely identical. These components refer to the three functional refractory materials used in the continuous casting process: stopper rods, long nozzles, and submerged nozzles. With the exception of a small portion of submerged nozzles made from fused