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首页> 外文会议>41th Annual Conference of Metallurgists of CIM International Symposium on New Technology Implementation Metallurgical Processes Aug 11-14, 2002 Montreal, Quebec, Canada >Process metallurgy for ladle-tundish-mould operations
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Process metallurgy for ladle-tundish-mould operations

机译：钢包中间包铸模工艺冶金

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摘要

Considerable efforts have been made in academia and industry over the last three decades to fully exploit and enhance the metallurgical performance of reactors involved in continuous casting operations. The development of Ladle Metallurgy, Tundish Metallurgy, and the control of transport phenomena within the moulds of continuous casters, has contributed enormously to the improved quality of steel during that time. These advances have been made in terms of better control of steel chemistry through improved alloying techniques, reduced metalloids, (S,P,O,N,C,H), as well as better control of inclusion distributions in terms of size, frequency, composition and morphology. It is shown that mathematical and physical modeling have and continue, to contribute greatly to our understanding and control of these phenomena. The paper also makes the case that the manifold variations in shop practices and procedures inevitably lead to transient conditions during actual continuous casting operations. These need to be studied and monitored carefully, in order to achieve consistent, high quality product. The use of full scale water models of moulds and tundishes, vis a vis, smaller scale models, and/or mathematical models, can be very helpful in quantifying such transient excursions.
机译：在过去的三十年中，学术界和工业界已经做出了相当大的努力，以充分利用和提高参与连铸操作的反应堆的冶金性能。钢包冶金，中间包冶金的发展以及对连铸机结晶器内的运输现象的控制，为这段时间提高钢的质量做出了巨大贡献。这些进步是通过改进合金技术，减少类金属（S，P，O，N，C，H）以及更好地控制夹杂物分布的大小，频率，组成和形态。结果表明，数学模型和物理模型已经并且将继续为我们对这些现象的理解和控制做出巨大贡献。本文还提出了这样的情况：车间实践和程序中的多种变化不可避免地导致在实际的连续铸造操作过程中出现过渡条件。需要仔细研究和监控这些内容，以便获得一致的高质量产品。相对于较小规模的模型和/或数学模型，使用模具和隧道的全尺寸水模型可能对量化此类瞬时偏移非常有帮助。

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