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首页> 外文会议>International Congress on the Science and Technology of Ironmaking >Preparation and Reduction Behavior of Carbon Composite Iron Oxide Pellets Intentionally Including Residual Volatile Matter
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Preparation and Reduction Behavior of Carbon Composite Iron Oxide Pellets Intentionally Including Residual Volatile Matter

机译：碳复合氧化铁颗粒的制备和减少行为有意地包括残留挥发物质

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摘要

Carbon composite iron oxide pellets intentionally including residual volatile matter (V.M.) were proposed to decrease the initiation temperature for reduction reaction and to enhance the reaction rate of pellets under rising temperature conditions, such as in a blast furnace shaft. The carbonization of Newcastle blend coal under rising temperature conditions were interrupted at certain temperatures, i.e., maximum carbonization temperatures (T_(C, max), to obtain the semi-coal-char containing some residual V.M. The carbon composite iron oxide pellets using the semi-coal-char were prepared and reduced in nitrogen atmosphere. It was confirmed by the XRD analysis of the reduced pellets that the carbon composite iron oxide pellets using the semi-coal-char at T_(C, max) = 823 K have the highest reducibility of the iron oxide.
机译：碳复合氧化铁颗粒有意地包括残留挥发物质（V.M.），以降低缩减反应的起始温度，并在高温条件下提高颗粒的反应速率，例如高炉轴。在一定温度下，在上升温度条件下的碳化在上升温度条件下，即最大碳化温度（T_（C，Max），以获得含有一些残留的VM的半煤炭，使用半碳复合氧化铁颗粒 - 在氮气氛中制备并降低了核心。通过XRD分析的XRD分析来证实碳复合氧化铁颗粒在T_（C，MAX）= 823k中使用半煤炭氧化铁颗粒具有最高的氧化铁的再还原性。

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