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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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LF refining furnace is mainly composed of upper tank, middle tank, lower tank, circulation pipe and immersion pipeThe working principle of LF furnace:LF furnace system equipment is a secondary refining process setting equipment used to produce high-quality molten steel. The entire molten steel smelt
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After CHNZBTECH undertook the 60tVD vacuum refining furnace upgrade project, it has arranged equipment engineers and process engineers to visit the site many times, through equipment testing and diagnosis, optimizing the design, replacing nozzles, adding steam-water separators, steam pipes, adding
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The existing furnace covers of steel-making electric furnaces mostly adopt the structure of masonry refractory bricks. The disadvantages of the furnace covers of this structure are many brick cracks, poor overall performance, high energy consumption, short service life, and long maintenance.
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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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