| 混煤煤灰中矿物行为对煤灰熔融特性的影响 |
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| 引用本文： | 李帆,邱建荣,郑楚光. 混煤煤灰中矿物行为对煤灰熔融特性的影响[J]. 华中科技大学学报(自然科学版), 1997, 0(9) |
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| 作者姓名： | 李帆 邱建荣 郑楚光 |
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| 作者单位： | 华中理工大学能源科学与工程学院 |
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| 基金项目： | 国家自然科学基金,煤燃烧国家重点实验室开放基金 |
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| 摘 要： | 采用三种煤灰混合成二种类混合灰样，对混合灰样进行灰熔点测定和变形温度Ｔ１下的矿物组成测定，并利用三元相图进行分析．结果表明：混煤灰熔点与混煤比不呈线性规律，而与矿物质间的低温共熔作用有关．混煤灰在弱还原性气氛和Ｔ１温度下的矿物组成与ＳｉＯ２－Ａｌ２Ｏ３－ＣａＯ三元相图的矿物组成基本一致．
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| 关 键 词： | 混煤；灰熔点；矿物质；三元相图；结渣 |
The Influence of the Behavior of Minerals in Blended Coal Ash on Ash Fusion Characteristics |
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| Li Fan Doctorl Candidate, College of Energy Sci. , Eng.,HUST,Wuhan ,China. Qiu Jianrong Zheng Chuguang. The Influence of the Behavior of Minerals in Blended Coal Ash on Ash Fusion Characteristics[J]. JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE, 1997, 0(9) |
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| Authors: | Li Fan Doctorl Candidate College of Energy Sci. & Eng. HUST Wuhan China. Qiu Jianrong Zheng Chuguang |
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| Affiliation: | Li Fan Doctorl Candidate, College of Energy Sci. & Eng.,HUST,Wuhan 430074,China. Qiu Jianrong Zheng Chuguang |
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| Abstract: | Two kinds of coal ash samples mixed with three different coal ashes are prepared, and the ash fusion point and mineral composition at deformation temperature T 1 are measured and analyzed with a ternary phase diagram. The results show that the nonlinear relationship between the ash fusion points and the blended coal ratios may be due to the low temperature eutectic melting among the minerals. The mineral composition in the blended coal ash in weak reducing atmosphere and at deformation temperature T 1 is nearly similar to that of the phase diagram of the ternary system CaO Al 2O 3 SiO 2. |
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| Keywords: | blended coal ash fusion point mineral matter ternary phase diagram slagging |
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