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Steel ladles are primarily used for containing molten steel. Before tapping, the ladle must be preheated and baked. During tapping, molten steel at approximately 1650°C is poured from the furnace into the ladle. The ladle not only endures intense thermal…
Silica brick is a refractory product primarily composed of silica (SiO₂ content ≥93%). It is manufactured from quartzite with a small amount of mineralizer and fired at high temperatures. Its mineral composition consists of a multiphase structure including tridymite, cristobalite,…
Generally speaking, refractory materials are inorganic non-metallic materials with a refractoriness of no less than 1580°C. Refractoriness refers to the stability of a refractory material in resisting high-temperature effects without load, that is, its ability to resist melting or softening…
The heat treatment furnace is a fundamental piece of equipment in the heat treatment workshops of metallurgical plants and machinery manufacturing factories. In metallurgical plants, the primary subjects of heat treatment are metal ingots, plates, tubes, wires, as well as…
The coke oven is the core equipment of a coking plant, serving as a complex and continuously operating thermal device. As previously mentioned, the coke oven consists of components such as the carbonization chamber, combustion chamber, regenerator, oven top, inclined…
Rotary Kiln(I) Types and Structure of Rotary KilnsThe rotary kiln is the primary thermal equipment in the cement industry. Depending on production characteristics, it can be classified into different types: Dry-process kilns: Wet-process kilns: A rotary kiln is a long…
According to Japanese research on the wear of blast furnace main trough linings, the lining near the taphole suffers severe erosion due to direct molten iron冲刷, with an erosion rate typically ranging from (6.0–8.5) × 10⁻⁶ mm This rate is proportional…
High alumina bricks are widely used in various high-temperature industrial applications due to their excellent refractory properties, including high thermal stability, resistance to corrosion, and mechanical strength. These bricks are essential in industries such as steel, cement, glass, and petrochemicals.…
Refractory bricks are essential materials used in high-temperature industrial applications, including steelmaking, cement production, glass manufacturing, and petrochemical processing. These bricks must withstand extreme heat, corrosion, and mechanical stress. Several global brands have established themselves as leaders in the refractory…
Introduction to Refractory Bricks Refractory bricks are specialized heat-resistant materials designed to withstand extreme temperatures without degrading. Made from high-alumina, silica, or fireclay, they offer excellent thermal stability, corrosion resistance, and durability. While widely used in industries such as steelmaking,…