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Economical Evaluation of Use of Sinter in an Integrated Mini Steel Plant

机译：综合迷你钢铁厂烧结剂的经济性评价

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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：Sinter已被用作大型高炉中金属电荷的一部分，多年来，在生产率和燃料消耗方面具有众所周知的益处。然而，由于常规烧结厂的投资高，小型高炉和相关的集成迷你钢铁厂没有采用烧结的优点。最近KTS KORF TECNOLOGIA Siderurgica在巴西Mannesmann Demag Ltda部门开发了一个迷你烧结厂，其中投资与小型高炉相容。因此，评估使用烧结在这种小规模的综合钢铁厂中的经济影响非常令人感兴趣。为了比较两种替代方案，即100％矿石和70％的高炉负担中的烧结，通过高炉和基于EOF的熔化商店的全部操作的质量和热平衡，进行评估液体钢的最终生产成本。发现，根据烧结料价格，可以使用烧结可以获得大量节省。

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