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首页> 外文会议>International Conference on Alternative Routes of Iron and Steelmaking ICARISM'99, Sep 15-17, 1997, Perth, WA >Economical Evaluation of Use of Sinter in an Integrated Mini Steel Plant
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Economical Evaluation of Use of Sinter in an Integrated Mini Steel Plant

机译：综合小型钢铁厂中烧结矿使用的经济评估

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摘要

Sinter has been used as part of the metallic charge in large-scale blast furnaces for many years with the well-known benefits in terms of productivity and fuel consumption. However, because of the high investment in a conventional sinter plant, small blast furnaces and the associated integrated mini steel plants have not taken the advantages of using sinter. Recently KTS Korf Tecnologia Siderurgica, a division of Mannesmann Demag Ltda in Brazil, has developed a mini sinter plant for which the investment is compatible with small blast furnaces. Consequently, it is of great interest to evaluate the economical impact of using sinter in such small-scale integrated steel plants. In order to compare two alternatives, ie 100 per cent ore and 70 per cent sinter in the blast furnace burden, mass and heat balances for the entire operation from sinter plant through the blast furnace and EOF-based melting shop, were performed to evaluate the final production cost of the liquid steel. It was found that, depending on the sinter feed price, substantial savings can be obtained with the use of sinter.
机译：烧结矿已在大型高炉中用作金属炉料的一部分，多年来在生产率和燃料消耗方面具有众所周知的优势。但是，由于对常规烧结厂的大量投资，小型高炉和相关的集成微型钢厂没有利用烧结矿的优势。最近，巴西曼内斯曼德马格有限公司（Mannesmann Demag Ltda）的子公司KTS Korf Tecnologia Siderurgica开发了一个小型烧结厂，该厂的投资与小型高炉兼容。因此，在这样的小型综合钢厂中评估使用烧结矿的经济影响是非常重要的。为了比较两种替代方案，即高炉负荷中的100％矿石和70％烧结矿，进行了从烧结厂到高炉和基于EOF的熔化车间的整个操作的质量和热量平衡，以评估液态钢的最终生产成本。已经发现，根据烧结矿进料价格，使用烧结矿可以节省大量费用。

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