The Application of the High Alumina Composite Slag in Semi-Steelmaking

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Abstract:

In order to promote the fusion of lime in semi-steelmaking, fluorite was used in converter steelmaking to improve the melting slag ratio, while fluorite is very harmful. In order to make best use of the metallurgical slag and improve the scorification problems in semi-steelmaking, PANGGANG Research Institute developed a new type high alumina composite slag, and accomplished industrial application which also achieved good results. They found that this new type slag can improve the melting slag ratio greatly and decrease the times of “re-drying” and “slopping” throughout the converter steelmaking, the slag sate can be good controlled, at the same time the content radio of TFe decreased significantly.

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454-457

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November 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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