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首页> 外文期刊>SEAISI Quarterly >The Long Sequential Continuous Casting Technology of High Quality Line Pipe Steel By The Improvement of Composition Control in Gwangyang Works
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The Long Sequential Continuous Casting Technology of High Quality Line Pipe Steel By The Improvement of Composition Control in Gwangyang Works

机译：光阳厂成分控制的改进对优质管线钢的长序贯连铸技术。

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摘要

The long sequential continuous casting technology is indispensable for higher productivity and cost competitiveness. The high quality line pipe steel requires longer treatment time, especially in the LF, than common steel because of high alloying and tight control for lower [P] and [S]. Therefore, treatment time of the LF should be decreased to solve the bottleneck of long sequential casting. The operation in the bubbling stand has been improved to decrease treatment time in the LF. In addition, elimination of bubbling prior to heating, improvement in alloying practice, Ca yield increase and decrease in Ca charging time resulted in reduction of the LF treatment time. Throughout these activities, the number of sequential continuous casting has been increased from 4 approx 5 to 6 approx 7 and productivity and the yield of products were improved.
机译：长时间连续连铸技术对于提高生产率和成本竞争力是必不可少的。高质量的管线钢比普通钢需要更长的处理时间，尤其是在LF中，这是因为高合金化和对[P]和[S]的控制严格。因此，应减少LF的处理时间，以解决长时间连铸的瓶颈。起泡架的操作已得到改进，以减少LF中的处理时间。另外，消除加热前的起泡，改善合金化实践，增加钙产量和减少钙充入时间导致减少了LF处理时间。在这些活动中，连续连铸的数量已从4个约5个增加到6个约7个，并且提高了生产率和产品的产量。

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