| 含钛高炉炉渣微波合成碳化钛及其介电性能测定 |
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| 作者单位： | State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization,Kunming University of Science and Technology,Kunming 650093,China;Yunnan Provincial Key Laboratory of Intensification Metallurgy,Kunming 650093,China;National Local Joint Laboratory of Engineering Application of Microwave Energy and Equipment Technology,Kunming 650093,China;Faculty of Metallurgical and Energy Engineering,;State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization,Kunming University of Science and Technology,Kunming 650093,China;Yunnan Provincial Key Laboratory of Intensification Metallurgy,Kunming 650093,China;National Local Joint Laboratory of Engineering Application of Microwave Energy and Equipment Technology,Kunming 650093,China;Faculty of Metallurgical and Energy Engineering,;State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization,Kunming University of Science and Technology,Kunming 650093,China;Yunnan Provincial Key Laboratory of Intensification Metallurgy,Kunming 650093,China;National Local Joint Laboratory of Engineering Application of Microwave Energy and Equipment Technology,Kunming 650093,China;Faculty of Metallurgical and Energy Engineering,;State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization,Kunming University of Science and Technology,Kunming 650093,China;Yunnan Provincial Key Laboratory of Intensification Metallurgy,Kunming 650093,China;National Local Joint Laboratory of Engineering Application of Microwave Energy and Equipment Technology,Kunming 650093,China;Faculty of Metallurgical and Energy Engineering,;State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization,Kunming University of Science and Technology,Kunming 650093,China;Yunnan Provincial Key Laboratory of Intensification Metallurgy,Kunming 650093,China;National Local Joint Laboratory of Engineering Application of Microwave Energy and Equipment Technology,Kunming 650093,China;Faculty of Metallurgical and Energy Engineering,;Yunnan Energy Research Institute Co.,Ltd.,Kunming 650093,China |
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| 基金项目： | the Na-tional Natural Science Foundation of China;This work was financially supported by the National Key R&D Program of China;the Key Technology Research and Industrialization Applica-tion Demonstration Project of the Renewable Multi-energy Complementary;and the Academician Workstation of Kefa Cen |
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| 摘 要： | The preparation of functional material titanium carbide by the carbothermal reduction of Ti-bearing blast furnace slag with microwave heating is an effective method for valuable metals recovery; it can alleviate the environmental pressure caused by slag stocking. The dynamic dielectric parameters of Ti-bearing blast furnace slag/pulverized coal mixture under high-temperature heating are measured by the cylindrical resonant cavity perturbation method. Combining the transient dipole and large π bond delocalization polarization phenomena, the interaction mechanism of the microwave macroscopic non-thermal effect on the titanium carbide synthesis reaction was revealed. The material thickness range during microwave heating was optimized by the joint analysis of penetration depth and reflection loss, which is of great significance to the design of the microwave reactor for the carbothermal reduction of Ti-bearing blast furnace slag.
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| 关 键 词： | ,,,,,,,,, |
Determination of dielectric properties of titanium carbide fabricated by microwave synthesis with Ti-bearing blast furnace slag |
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| Authors: | Peng Liu Li-bo Zhang Bing-guo Liu Guang-jun He Jin-hui Peng Meng-yang Huang |
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| Abstract: | The preparation of functional material titanium carbide by the carbothermal reduction of Ti-bearing blast furnace slag with mi-crowave heating is an effective method for valuable metals recovery;it can alleviate the environmental pressure caused by slag stocking.The dynamic dielectric parameters of Ti-bearing blast furnace slag/pulverized coal mixture under high-temperature heating are measured by the cylindrical resonant cavity perturbation method.Combining the transient dipole and largeπbond delocalization polarization phenomena,the interaction mechanism of the microwave macroscopic non-thermal effect on the titanium carbide synthesis reaction was revealed.The material thickness range during microwave heating was optimized by the joint analysis of penetration depth and reflection loss,which is of great signi-ficance to the design of the microwave reactor for the carbothermal reduction of Ti-bearing blast furnace slag. |
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| Keywords: | titanium-bearing blast furnace slag dielectric mechanism penetration depth reflection loss microwave heating efficiency |
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