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Secondary refining refers to the refining outside the traditional steelmaking furnace (such as open hearth furnace, refining furnace and electric furnace). The main tasks of refining are deoxidation, desulfurization, dephosphorization, decarburization, inclusion removal, alloying and fine adjustment of composition. Statistics on the world crude steel output show that the world crude steel output has continued to grow in ups and downs in the past 30 years.
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omestic electric furnace manufacturers should establish a modern enterprise management system and actively implement international quality management standards. Competition in the electric furnace equipment market will further force companies to reduce costs, and competition will make the profit tre
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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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