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Brand
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Craftsmanship
Tengfei Building Materials
tengfei refining slag
Release time:
2026-06-10
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The composition of sintered refining slag is more uniform, stable, and the melting speed is faster, but the cost is relatively increased, and because the density of sintered slag is small and there are many pores, it is easy to cause suction in the refining process.
Pre-melting type refining slag refers to the refining slag which is used for steelmaking after mixing raw materials in a certain proportion and melting the raw materials into liquid under the condition of high temperature higher than the melting point temperature of slag system in special equipment, and then cooling and crushing. Premelting slag has the advantages of high purity, even chemical composition, stable phase, low melting point and fast slag forming speed, which can greatly shorten the refining time and can be directly used for slag washing in the process of converter ladle drawing to improve the cleanliness of molten steel. And does not contain fluorine or a small amount of fluorine, reduce lining erosion, effectively reduce the pollution of fluorine to the environment. Because of the compact structure of the pre-melting refining slag, it is not absorbent, convenient for storage, transportation and storage, no pulverization, no volatilization, it can significantly reduce dust pollution in steel plants, but the production cost is higher.
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