2015 Vol. 36, No. 1

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Separating and Extracting of Vanadium and Titanium
Experimental Research on Leaching Calcification Clinker of Vanadium Slag by Sodium Bicarbonate for Preparation of V2O5
Fu Zibi, Zheng Shili, Sun Zhaohui
2015, 36(1): 1-6. doi: 10.7513/j.issn.1004-7638.2015.01.001
Abstract(98) PDF(5)
Abstract:
The preparation of V2O5 by the processes of sodium bicarbonate （NaHCO3） for leaching and ammonium carbonate （（NH4）2CO3） or ammonium bicarbonate （NH4HCO3） for vanadium precipitation was studied with vanadium slag clinker by calcified roasting as raw materials. The research mainly focused on the effec...
Research on Preparation of Synthetic Rutile with Panxi Ilmenite
Ye Endong, Cheng Xiaozhe, Miao Huijun, Zhang Jianbo, Wu Xuan
2015, 36(1): 7-15. doi: 10.7513/j.issn.1004-7638.2015.01.002
Abstract(170) PDF(5)
Abstract:
How to utilize the rich reserves of the low grade ilmenite containing high calcium and magnesium in Panxi area to prepare high quality titanium concentrates is the key to promote the development of titanium industry. Through the phase analysis of the compositions and structure of the ilmenite in Pan...
Study on Upgrading the Quality Grade of Ilmenite Concentrate
Liu Xibo, Chen Zhiqiang
2015, 36(1): 16-20,63. doi: 10.7513/j.issn.1004-7638.2015.01.003
Abstract(105) PDF(4)
Abstract:
The effects of oxidation temperature on the crystal structure of ball milling activated and unactivated ilmenite concentrate as well as upgrading the quality grade of ilmenite concentrate through acid leaching were investigated by oxidation treatment and acid leaching. The results indicate that,afte...
Study on Molten Salt Electrolysis of Consumable Anode TiCxOy
Gong Lixia
2015, 36(1): 21-25. doi: 10.7513/j.issn.1004-7638.2015.01.004
Abstract(98) PDF(1)
Abstract:
Electrochemical dissolution behaviors of self-made consumable anode TiCxOy （x ≈ 0.50,y ≈0.50） as well as cathode in simple chloride （NaCl-KCl） molten salt system and NaCl-KCl-TiClx molten salt system containing 3.5% low valence titanium ion were researched. The results indicate that the consumable a...
Application of Vanadium and Titanium
Preparation and Photodegradation of Photocatalytic Functional Fe2O3/TiO2 Ceramics
Li Rong, Jia Yuefa, Zhen Qiang, Bu Naijing, Wu Jun
2015, 36(1): 26-31. doi: 10.7513/j.issn.1004-7638.2015.01.005
Abstract(84) PDF(1)
Abstract:
Using iron nitrate nonahydrate （Fe（NO3）3·9H2O） and titanium sulfate （Ti（SO4）2） as raw materials,Fe2O3/ TiO2 mixed powders were synthesized by co-precipitation method. The green cylinders were formed under axial-pressure and sintered at high temperature to obtain the Fe2O3/TiO2 ceramics.Phase and mic...
High Temperature Deformation Behavior and Constitutive Equation of Pure Titanium for Finish rolling
Ren Wanbo, Li Jun, Chen Shanhua, Yu Hui
2015, 36(1): 32-37. doi: 10.7513/j.issn.1004-7638.2015.01.006
Abstract(97) PDF(4)
Abstract:
In order to study the effect of high temperature deformation parameters on the high temperature deformation behaviors of hot rolled pure titanium tape in finish rolling process,Gleeble -3800 thermal simulation machine was employed to the high temperature compressive test of pure titanium. According ...
Exploration about the Production of HRB400 Hot Rolled Rebar by Nitrided Ferrotitanium Microalloying Technology
Wang Anren, Zhang Qingchun, Wang Guofeng, Guo Senlin, Hou Wei
2015, 36(1): 38-42. doi: 10.7513/j.issn.1004-7638.2015.01.007
Abstract(114) PDF(1)
Abstract:
Strengthening mechanism for rebar with nitrided ferrotitanium is studied by optical microscopy,scanning electron microscopy and transmission electron microscopy,with HRB335 rebar produced by a domestic steel mill and the rebar containing a certain amount of nitrided ferrotitanium based on HRB335 as ...
Influence of Vanadium on Microstructure and Properties of High Nitrogen 20MnSi Steel
Yang Jichun, Zhang Jian, Li Hongwei, Zhou Li
2015, 36(1): 43-47. doi: 10.7513/j.issn.1004-7638.2015.01.008
Abstract(84) PDF(3)
Abstract:
The effect of vanadium on the microstructure and mechanical properties of 20 MnSi thread steel with high content of nitrogen was studied,and the fracture morphology of the tested samples was analyzed by scanning electron microscopy. The results show that the grain size of 20MnSi thread steel decreas...
Resources Environment and Energy Saving
Causes and Countermeasures of Scaling in Ammonia Stripper for Ammonium Vanadate Precipitating Waste Water
Teng Xiaohui
2015, 36(1): 48-51. doi: 10.7513/j.issn.1004-7638.2015.01.009
Abstract(59) PDF(1)
Abstract:
The reasons of scaling in the ammonia stripper for the ammonia and nitrogen removal from the ammonium vanadate precipitating waste water were discussed in this paper. The main cause was found to be the formed calcium and magnesium scaling in the ammonia stripper by the complex chemical reactions bet...
Ferrous Metallurgy and Materials
The Experimental Study on Direct Reduction of Shaft Furnace Based Gas of Vanadium Titanium Magnetite
Shi Xuefeng, Xu Hongjun, Zhang Yingyi, Wan Xinyu, Cao Xiao'en
2015, 36(1): 52-56. doi: 10.7513/j.issn.1004-7638.2015.01.010
Abstract(160) PDF(21)
Abstract:
The gas based reduction behavior and the influence factors of vanadium titano magnetite were studied. The influence of reduction temperature,reduction time,reduction atmosphere and gas flow rate on percent of reduction and metallization rate were analyzed. The result shows that the percent of reduct...
Studies on Kinetics of Hydrogen Reduction of Different Diameter Ironsand Oxidized Pellets Containing Titanium
Li Yongqi, Guo Hanjie, Li Lin
2015, 36(1): 57-63. doi: 10.7513/j.issn.1004-7638.2015.01.011
Abstract(66) PDF(1)
Abstract:
In this paper,the kinetic mechanism of reducing different sizes of Indonesia ironsand oxidized pellets by hydrogen was studied by means of gravimetrie method. The research mainly focuses on the kinetics. The results showed that the different reduction mechanism presents at different temperature. The...
Research on Desulfurization Capability of Medium ＆Low-titanium BF Slag
Zhang Xusheng, Lü Qing, Liu Xiaojie, Qie Yana
2015, 36(1): 64-67,91. doi: 10.7513/j.issn.1004-7638.2015.01.012
Abstract(56) PDF(2)
Abstract:
The desulfurization capability of medium-titanium and low-titanium BF slag in Xuangang was investigated. The results show that basicity,Ti,Mg and Al have important effect on the desulfurization of slag in the CaO-Al2O3-SiO2-MgO-TiO2 slag system. With basicity increasing,desulfurization capability of...
Effect of FeO on Properties of Low Titanium Sinters
Lü Qing, Zhang Xusheng, Liu Xiaojie, Qie Yana
2015, 36(1): 68-72. doi: 10.7513/j.issn.1004-7638.2015.01.013
Abstract(117) PDF(2)
Abstract:
According to sintering proportioning of Xuangang,the influence of FeO on properties of sinters containing titanium was investigated by mini- sintering test and sinter pot test. The results show that FeO has a great effect on the quality of sinter in the process of sintering. With the content of FeO ...
Microstructure and Properties of Vanadium-bearing DP980 Steels Processed with Continuous Galvanizing Line Simulations
Gong Yu, Liang Xiaojun, Hua Mingjian, A. J. DeArdo
2015, 36(1): 73-76. doi: 10.7513/j.issn.1004-7638.2015.01.014
Abstract(65) PDF(3)
Abstract:
A study is being conducted of additions of the microalloying elements Nb,V and V-N to a low carbon,high-strength （980 grade） Dual-Phase steel that was processed using a CGL simulation. In this study,compositions with a common base but containing various additions of V or Nb with or without high N we...
Research on Suitable Rail Selection Based on Notable Damage of Nucleus Flaw
Yuan Jun, Deng Jianhui, Gao Hong, Zhou Yu, Yue Zheng
2015, 36(1): 77-80. doi: 10.7513/j.issn.1004-7638.2015.01.015
Abstract(66) PDF(2)
Abstract:
The rail damage characteristic and cause have been researched regarding the rail line with notable damage of nucleus flaw. Paving trial of the hot- rolled U76 CrRe and U75 V rail,and the heat treated U75 V and PG4 rail have been carried out in the section with notable damage of nucleus flaw in Cheng...
Cause Analysis on Strength Fluctuation of High-strength Steel with Mo-Ti
Liang Wen, Wu Run, Liu Zhiyong, Tao Wenzhe, Chen Jiqing, Tan Jiamei
2015, 36(1): 81-84. doi: 10.7513/j.issn.1004-7638.2015.01.016
Abstract(54) PDF(2)
Abstract:
The cause of strength fluctuation of Mo-Ti microalloyed high-strength steel was investigated by metallography observation and energy spectrum analysis. The results showed that strength fluctuation was mainly caused by higher coiling temperature and the inhomogeneous temperature profile through width...
Research on Non-metallic Inclusions Behavior in Continuous Casting Square Billet of Q235 Steel
Sun Ligen, Ren Yingqiang, Liu Yang, Zhu Liguang, Liu Zengxun
2015, 36(1): 85-91. doi: 10.7513/j.issn.1004-7638.2015.01.017
Abstract(117) PDF(6)
Abstract:
Based on the inclusion tracer method,all aspects of the converter-continuous casting process adopted by iron and steel enterprises during produced Q235B steel production had been researched systematically. The results show that strand has high inclusion content level and strong reoxidation. Microsco...
Research on the Evolution of Inclusions in LX72A Steel Produced by LD-LF-CC Process
Xin Caiping, Yue Feng, Tian Luolin, Wu Qifan
2015, 36(1): 92-97. doi: 10.7513/j.issn.1004-7638.2015.01.018
Abstract(71) PDF(1)
Abstract:
By using the thermodynamic calculation,systematic sampling from BOF,LF,tundish,casting billets and the wire rod combined with SEM analysis,the type and amount of inclusions as well astotal oxygen content and the nitrogen content in LX72 A steel which produced by LD-LF-CC process have been investigat...
Mathematical Simulation and Application of Flow Field of Molten Steel for Five-strand Symmetrical Tundish
Yang Chunyu, Sun Yanhui, Zhang Xichao, Xu Rui, Ge Liang, Wang Chengyi
2015, 36(1): 98-102. doi: 10.7513/j.issn.1004-7638.2015.01.019
Abstract(71) PDF(1)
Abstract:
In view of excessive non-metallic inclusion content in a five-strands symmetric casting 150 mm×150 mm bloom,the effect of different flow control devices on flow field of liquid in tundish has been studied by means of numerical simulation in order to get optimum baffle. The results reveal the prototy...
Effect of Wollastonite on Crystallization Properties of Mould Powder
Han Xiuli, Zhang Han, Liu Lei, Pan Miaomiao, Liu Lina
2015, 36(1): 103-108. doi: 10.7513/j.issn.1004-7638.2015.01.020
Abstract(70) PDF(2)
Abstract:
The effect of wollastonite on crystallization properties and crystallization phase of mould powder made of cement clinker and industrial mineral raw materials in laboratory had been studied through process mineralogy. The results show that the crystallization temperature decreases with the content o...
Analysis on Thermal History of Slab through BP-HR Process
Dang Aiguo, Cui Juan, Li Yongchao, Feng Yan
2015, 36(1): 109-113. doi: 10.7513/j.issn.1004-7638.2015.01.021
Abstract(126) PDF(2)
Abstract:
The temperature evolution through breakdowning,reheating,stack cooling and water descaling for bloom with dimension of 325×280 mm2 had been studied by means of numerical simulation in this paper. The calculations show that the temperature at corner of transferred bar after 9-passes breakdowning to 1...
Analysis on Surface Defects at the Hot and Cold Rolled Strip Edges
Wang Enrui, Lin Zhangguo, Gu Fenglong, Jia Gengwei, Wang Lianxuan, Cheng Di
2015, 36(1): 114-119. doi: 10.7513/j.issn.1004-7638.2015.01.022
Abstract(178) PDF(10)
Abstract:
Surface defects occurring in strip and their formation mechanism had been investigated. By the means of key process data analysis and SEM observation,it was found that the morphologies of the defects are similar,but the causes are different. The structure characteristic of layered defects induced by...
Cause Analysis on Surface Upwarping and Edge Defects of Hot Rolled Strip
Ding Meiliang, Guan Jianhui, Sun Lin
2015, 36(1): 120-124. doi: 10.7513/j.issn.1004-7638.2015.01.023
Abstract(224) PDF(11)
Abstract:
In order to improve quality of strip steel,the microstructure and chemical composition of surface upwarping and edge defects regions were investigated by OM,SEM,and EDS,and the causes were analyzed.The results show that,there are iron oxides,secondary oxidation and composition of mold flux in surfac...
2015, 36(1): 125-126.
Abstract(57) PDF(1)
Abstract:

Address：Editorial Department of Iron Vanadium Titanium Steel, Technology Development Research Center, Research Institute of Panzhihua Group Co., Ltd., No. 90 Taoyuan Street, East District, Panzhihua City, Sichuan Province (617000)

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