| 利用电石渣和焦煤生产碳化钙用钙焦 |
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| 作者姓名： | Xu-zhong Gong Jun-qiang Zhang Zhi Wang Dong Wang Jun-hao Liu Xiao-dong Jing Guo-yu Qian Chuan Wang |
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| 作者单位： | 1)Key Laboratory of Green Process and Engineering, National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China |
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| 基金项目： | This work was financially supported by the Natural Sci-ence Foundation of China;and the Green Process Manufacturing Innovation Research Institute,Chinese Academy of Sciences;Chuan Wang would like to acknowledge the funding support from Vinnova |
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| 摘 要： | A type of calcium coke was developed for use in the oxy-thermal process of calcium carbide production. The calcium coke was prepared by the co-pyrolysis of coking coal and calcium carbide slag, which is a solid waste generated from the chlor-alkali industry. The characteristics of the calcium cokes under different conditions were analyzed experimentally and theoretically. The results show that the thermal strength of calcium coke increased with the increase in the coking coal proportion, and the waterproof property of calcium coke also increased with increased carbonation time. The calcium coke can increase the contact area of calcium and carbon in the calcium carbide production process. Furthermore, the pore structure of the calcium coke can enhance the diffusion of gas inside the furnace, thus improving the efficiency of the oxy-thermal technology.
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| 关 键 词： | ,,,,,,, |
Development of calcium coke for CaC2 production using calcium carbide slag and coking coal |
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| Xu-zhong Gong,Jun-qiang Zhang,Zhi Wang,Dong Wang,Jun-hao Liu,Xiao-dong Jing,Guo-yu Qian,Chuan Wang.Development of calcium coke for CaC2 production using calcium carbide slag and coking coal[J].International Journal of Minerals,Metallurgy and Materials,2021,28(1):76-87. |
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| Authors: | Xu-zhong Gong Jun-qiang Zhang Zhi Wang Dong Wang Jun-hao Liu Xiao-dong Jing Guo-yu Qian Chuan Wang |
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| Abstract: | A type of calcium coke was developed for use in the oxy-thermal process of calcium carbide production.The calcium coke was pre-pared by the co-pyrolysis of coking coal and calcium carbide slag,which is a solid waste generated from the chlor-alkali industry.The charac-teristics of the calcium cokes under different conditions were analyzed experimentally and theoretically.The results show that the thermal strength of calcium coke increased with the increase in the coking coal proportion,and the waterproof property of calcium coke also increased with increased carbonation time.The calcium coke can increase the contact area of calcium and carbon in the calcium carbide production pro-cess.Furthermore,the pore structure of the calcium coke can enhance the diffusion of gas inside the furnace,thus improving the efficiency of the oxy-thermal technology. |
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| Keywords: | calcium carbide slag calcium carbide production calcium coke thermal strength waterproof property |
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