Refractory castables for submerged arc furnaces
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Amorphous Refractory Materials for Mineral Thermal Furnaces
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Refractory castables for submerged arc furnaces are unshaped refractory materials used as linings in these furnaces—primarily designed for smelting ferroalloys, calcium carbide, and other similar materials. After being mixed with water or a binding agent, they are poured and shaped to form the lining. These materials must withstand severe conditions, including high-temperature molten metal erosion, mechanical abrasion, and thermal shock. As such, they need to exhibit exceptional resistance to corrosion, excellent thermal stability, and robust high-temperature strength, making them ideal for protecting various sections of the furnace. Proper selection of furnace castables combined with standardized construction practices can significantly reduce the rate of furnace lining damage, minimize the frequency of shutdowns for maintenance, and ensure the efficient and safe operation of the submerged arc furnace.
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