Yan Chaojie, Chen Shujun, Zhao Xiaojie, Li Fumin, Lü Qing, Qie Yana. Experimental Study on Reduction of Vanadium Oxides in Blast Furnace Hearth[J]. IRON STEEL VANADIUM TITANIUM, 2017, 38(1): 22-26,37. doi: 10.7513/j.issn.1004-7638.2017.01.004
Citation:
Yan Chaojie, Chen Shujun, Zhao Xiaojie, Li Fumin, Lü Qing, Qie Yana. Experimental Study on Reduction of Vanadium Oxides in Blast Furnace Hearth[J]. IRON STEEL VANADIUM TITANIUM, 2017, 38(1): 22-26,37. doi: 10.7513/j.issn.1004-7638.2017.01.004
Yan Chaojie, Chen Shujun, Zhao Xiaojie, Li Fumin, Lü Qing, Qie Yana. Experimental Study on Reduction of Vanadium Oxides in Blast Furnace Hearth[J]. IRON STEEL VANADIUM TITANIUM, 2017, 38(1): 22-26,37. doi: 10.7513/j.issn.1004-7638.2017.01.004
Citation:
Yan Chaojie, Chen Shujun, Zhao Xiaojie, Li Fumin, Lü Qing, Qie Yana. Experimental Study on Reduction of Vanadium Oxides in Blast Furnace Hearth[J]. IRON STEEL VANADIUM TITANIUM, 2017, 38(1): 22-26,37. doi: 10.7513/j.issn.1004-7638.2017.01.004
1. College of Metallurgy and Energy, Ministry of Education Key Laboratory of Modern Metallurgy Technology, North China University of Science and Technology, Tangshan 063009, Hebei, China;
2. College of Material and Metallurgy, Northeastern University, Shenyang 110819, Liaoning, China
The reduction of vanadium oxides in the blast furnace hearth has an important influence on the yield of vanadium.The effects of slag composition and temperature on the reduction of vanadium oxides were studied.The effect of binary basicity was significant on the reduction of vanadium oxides and the reduction rate of vanadium oxides increased with increase of the binary basicity.The reduction rate of vanadium oxides increased firstly and then decreased when the contents of Al2O3 and MgO increased.The reduction rate of vanadium oxides decreased with increasing TiO2 content,and a significant decrease in the reduction rate of vanadium oxides occurred once the content of TiO2 exceeded 11%.With increase in temperature,the reduction rate of vanadium oxides increased.An optimum reduction efficiency can be obtained with about 90% of reduction rate for the vanadium oxides at 1 500 ℃ of temperature and 1.2 of binary basicity for blast furnace slag,and 14% of Al2O3 content,10% of MgO content and 9% of TiO2 content in the slag.
DownLoad: