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首页> 外文会议>International conference on solid waste management >Investigations on Physical and Chemical Properties of High Silica Sand, Fe-Cr Slag and Blast Furnace Slag for Foundry Applications
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Investigations on Physical and Chemical Properties of High Silica Sand, Fe-Cr Slag and Blast Furnace Slag for Foundry Applications

机译：铸造应用中高硅砂，Fe-Cr炉渣和高炉炉渣物理和化学性质的研究

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Various efforts are being made to use the industrial wastes as an alternate molding material in foundry industries to conserve the natural resources and effective utilization of the industrial waste to sustain the industrialization. Granulated Blast furnace (GBF) slag and Ferro chrome (Fe-Cr) slag has many of the same attributes of the sand. In this paper investigations were carried out on comparative physical and chemical properties of high silica sand, Fe-Cr slag and GBF slag for foundry applications. Physical and chemical properties like X-ray fluorescence, X-ray diffraction, scanning electron microscopy with energy dispersive spectroscopy, P~H analysis, thermo gravimetric and differential thermalanalysis were performed on these three materials. XRF result evident that major phase identified in all the three materials was SiO2. AFS number was found to be 35.49, 45.52 and 42.39 for silica sand, Fe-Cr and GBF slags respectively. Silica sand grains are in spherical shape with a combination of fine and coarse sizes; whereas Fe-Cr and GBF slags appears to be angular shapes. GBF slag has shown lower density compared to either sand or Fe-Cr slag. The average P~H values of Silica Sand, Fe-Cr and GBF slags were found to be 7.95, 9.89 and 11.40 respectively. The weight loss for silica sand and Fe-Cr slag was 6% and 15% at 1205 °C and 1053 °C respectively; whereas in case of GBF slag this value was 2.4% at 1000 °C.
机译：正在进行各种努力来利用工业废物作为铸造行业的替代成型材料，以保护自然资源和工业废物的有效利用，以维持产业化。粒状高炉（GBF）炉渣和铁铬（Fe-Cr）渣有许多相同的沙子属性。在本文中，研究了对铸造应用的高硅砂，Fe-Cr渣和GBF渣的对比物理和化学性质进行了研究。物理和化学性质如X射线荧光，X射线衍射，扫描电子显微镜与能量色散光谱，对这三种材料进行P〜H分析，热重量和差异热分析。 XRF结果明显，在所有三种材料中鉴定的主要相是SiO2。发现AFS数量是硅砂，FE-CR和GBF渣的35.49,45.52和42.39。二氧化硅砂粒是球形的，具有精细和粗大尺寸的组合;虽然Fe-Cr和GBF渣似乎是角形的。与砂或Fe-Cr渣相比，GBF炉渣已经显示出较低的密度。硅砂，Fe-Cr和GBF渣的平均p〜H值分别为7.95,9.89和11.40。二氧化硅砂和Fe-Cr渣的重量损失分别为1205℃和1053°C的6％和15％;而在GBF渣的情况下，该值在1000°C时为2.4％。

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