Experimental study on utilization of metallic tailings as clay for cement clinker calcinations

被引：0

作者：

State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China ^{[1
]}

不详 ^{[2
]}

机构：

来源：

Zhejiang Daxue Xuebao (Gongxue Ban) | 2007年 / 11卷 / 1866-1869期

关键词：

Calcination - Calcium - Clay - Limestone - X ray diffraction;

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学科分类号：

摘要：

Experiments were conducted using six kinds of metallic tailings as clay mixed with middle and high-calcium limestone on high-temperature resistance box-type furnace under different temperatures at laboratory in order to obtain the technology parameters and adaptability to different grade limestone of metallic tailings as clay for cement clinker calcinations. Free-CaO content of clinker samples were measured, and mineral component of clinker samples were qualitatively analyzed by X-ray diffraction (XRD). The results showed that qualified cement clinker all could be generated using six kinds of metallic tailings as clay mixed with middle and high-calcium limestone, and the calcination temperature of metallic tailings mixed with middle- and high-calcium limestone were lower 100-150°C than that of clay; cement clinker could be sintered at 1300°C using metallic tailings mixed with middle-calcium limestone, whereas the calcination temperature of metallic tailings mixed with high-calcium limestone was 1350°C. Thus metallic tailings are fit for cement clinker calcinations mixed with middle-calcium limestone.

引用

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