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Development trend of tundish metallurgical technology |
BAO Yan-ping, WANG Min |
State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China |
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Abstract Tundish is the last refractory container before the molten steel solidifies. It is the connection point from intermittent operation to continuous operation and the starting point of continuous casting. It plays a role in buffering, decompression, diversion, continuous casting, purification and protection of molten steel, improving the solidification structure, and promoting the uniformity of molten steel during continuous casting. With the improvement of the cleanliness and quality requirements of high-quality steel, the function of tundish metallurgy is becoming more and more important. The development of tundish metallurgical technology is centered on the continuous expansion and improvement of tundish metallurgical functions. Its core goal is to fully purify the molten steel before solidification, and to realize constant temperature and low superheat pouring of continuous casting. The technical approaches and development trends to realize tundish metallurgical functions are summarized.
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Received: 09 June 2021
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