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Electroslag remelting furnace is a device that uses the heat energy generated by electric current through high-resistance molten slag to remelt metal.
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Vacuum degassing treatment is used to reduce dissolved gas components (e.g. hydrogen, oxygen, nitrogen) in steel to improve the performance of steel. Liquid steel comes from primary metallurgical production steps, and the capacity of ladle is usually 20-200 tons. The liquid steel is covered with slag to prevent reaction with the atmosphere.
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Denaturation of secondary refining inclusionsThe inclusions are denatured by adding calcium-containing materials, such as CaSi. CaSi can be blown into the furnace with a spray gun, or added to the furnace in the form of a core wire. The denaturation of inclusions can be studied with the CaO-Al2O3-Ca
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In order to homogenize the composition and temperature, a gas stirring process in the ladle appeared. The most striking thing is the use of secondary refining, which greatly improves the output and quality of steel. However, what is the main task and purpose of secondary refining? Separate molten s
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China produces about 200 million tons of iron and steel waste (such as trimming, trimming, scrapped machinery, household waste, etc.) every year. The LF ladle refining furnace is a kind of molten steel refining treatment device built after the primary furnace (converter, electric furnace). The LF pr
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