| 镍铁合金矿热炉渣辅助胶凝材料的制备与性能 |
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| 引用本文： | 万朝均,孟立.镍铁合金矿热炉渣辅助胶凝材料的制备与性能[J].重庆大学学报(自然科学版),2010,33(1):119-123. |
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| 作者姓名： | 万朝均 孟立 |
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| 作者单位： | 重庆大学,材料科学与工程学院,重庆,400045;重庆大学,材料科学与工程学院,重庆,400045 |
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| 基金项目： | 国家自然科学基金资助项目(50772136/E020501) |
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| 摘 要： | 镍铁合金矿热炉渣大量堆存,数量越来越多,已经严重影响镍行业的可持续发展。通过粉磨,镍铁合金矿热炉渣被机械活化,可用其制得辅助胶凝材料,实现了对镍铁合金矿热炉渣的综合利用。用其等质量取代水泥10%～40%,随着掺量增加,水泥标准稠度用水量逐渐降低,胶砂流动度逐渐提高;胶砂抗压强度逐渐降低,抗折强度先增加,掺量超过10%后逐渐降低,折压比逐渐升高。试验结果表明,镍铁合金矿热炉渣可以用作辅助胶凝材料,并具有提高抗折强度、增塑减水等作用。
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| 关 键 词： | 镍铁合金矿热炉渣 胶凝材料 抗折强度 抗压强度 折压比 |
Preparation of the supplementary cementitious material of ferronickel submerged arc furnace slag and its properties |
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| WAN Chao jun and MENG Li.Preparation of the supplementary cementitious material of ferronickel submerged arc furnace slag and its properties[J].Journal of Chongqing University(Natural Science Edition),2010,33(1):119-123. |
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| Authors: | WAN Chao jun and MENG Li |
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| Institution: | College of Material Science and Engineering;Chongqing University;Chongqing 400045;P.R.China |
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| Abstract: | The ferronickel submerged arc furnace slags are stored up more and more,as a result,seriously influenced the sustainable development of the nickel industry.By grinding,the ferronickel submerged arc furnace slag is mechanically activated,then can be used as supplementary cementitious material,thus a comprehensive utilization way of ferronickel submerged arc furnace slag is developed.Using such processed slag to replace cement from 10% to 40% in mass,with the increase of replacing dosage,the water demand of s... |
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| Keywords: | ferronickel submerged arc furnace slag cementitious material flexural strength compressive strength ratio of flexural strength to compressive strength |
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