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首页> 外文会议>International Conference on Manufacturing Science and Engineering >Effects of Compound Silicate Gangue on Mineral Composition and Microstructure of Sinter Produced by Baiyunebo Iron Ore Concentrates
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Effects of Compound Silicate Gangue on Mineral Composition and Microstructure of Sinter Produced by Baiyunebo Iron Ore Concentrates

机译：复合硅酸盐煤矸石对白乡铁矿矿矿物质成矿物成分及微观结构的影响

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摘要

The effects of compound silicate gangue on mineral composition and microstructure of sinter produced by Baiyunebo iron ore concentrates was studied by using mini-sintering test device and optical microscope. The result showed that compound silicate gangue has lower melting point, wider melting temperature range, longer melting time and melts easily to form glassiness during the sintering process. It can promote the solution of CaO and CaF_2 in glassy phase, which affects viscosity and fluidity of glassy phase as well as the homogeneity of sinter microstructure. The compound silicate gangue intensely inhibits the generation of complex calcium ferrite and cuspidine as well. The major mineral compositions of sinter are hematite and glassy phase. The sinter exhibits multi-cavities and grainy structure when SiO_2 exists entirely in the form of compound silicate gangue.
机译：通过使用迷你烧结试验装置和光学显微镜研究了复合硅酸盐膨胀物对白葡聚物铁矿矿物浓缩物产生的矿物质组合物和微观结构。结果表明，化合物硅酸盐膨胀孔具有较低的熔点，较宽的熔化温度范围，熔化时间较长，熔化在烧结过程中易于形成玻璃性。它可以促进CaO和Caf_2在玻璃相中的溶液，这影响了玻璃相的粘度和流动性以及烧结微观结构的均匀性。复合硅酸盐膨胀孔强烈抑制复杂钙铁氧体和瘢痕糖的产生。烧结的主要矿物质组合物是赤铁矿和玻璃相。当SiO_2完全以复合硅酸盐煤矸石的形式存在时，烧结展示了多腔和颗粒状结构。

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