The paper analyzes the ignition process of the boiling furnace in toasting theory with sulfur and iron ore and introduces mended ignition way.

本文用硫铁矿焙烧理论分析了沸腾炉的点火过程并介绍了改进后的点火方法。

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Using sponge iron reduced by iron ore concentrate powder as raw material, the smelting process of pure iron is investigated through non vacuum induction furnace and vacuum induction furnace.

以由铁精矿粉直接还原出来的海绵铁为原料，以非真空感应炉和真空感应炉为冶炼设备，对纯铁的冶炼工艺进行了研究与试验。

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Two kinds of optimization logic model of sintering process are put forward after analyzing the relation of mix ore scheme, process parameters and product quality index of Baoshan iron plant.

在分析宝钢烧结配矿方案、工艺参数以及产质量指标三者相互关系的基础上，提出了两种优化烧结工艺参数的数学逻辑模型。

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The North American iron ore division produces iron ore pellets for use in blast furnaces as part of the steelmaking process, and currently has a rated annual production capacity of 27 million tons of iron ore.

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If things go well for U.S. Steel, the long equity position likely offsets whatever loss you would take on the CDS. U.S. Steel is far from immune to the price impact of Chinese demand, he says, and as a vertically integrated steelmaker it has exposure all along the process from iron ore to finished products.

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