2012 Vol. 33, No. 1

Technical Discussion
Analysis on New Vanadium Technologies and Prospects of Vanadium Industry
Sun Zhaohui
2012, 33(1): 1-7.
Abstract(101) PDF(12)
Abstract:
Vanadium resources in domestic and international markets and their current utilization as well as major achievements in this field are analyzed in the present work.It is suggested that efforts should be made in China for a better and stronger vanadium industry based on rich vanadium resources,encour...
State-of-art Development of Vanadium Extraction from Stone Coal
Wang Xuewen, Wang Mingyu
2012, 33(1): 8-14.
Abstract(84) PDF(5)
Abstract:
The distribution of stone coal in China was introduced and processes of vanadium extraction from stone coal,including their advantages and disadvantages,were reviewed.A survey of its history and current status suggests that the development trend of vanadium extraction from stone coal could be conclu...
Extracting of Vanadium and Titanium
Efficient and Cleaner Technology of Vanadium Extraction from Vanadium Slag by Sub-molten Salt Method
Zheng Shili, Du Hao, Wang Shaona, Zhang Yi, Chen Donghui, Bai Ruiguo
2012, 33(1): 15-19.
Abstract(165) PDF(17)
Abstract:
To address the problems of low vanadium utilization rate during vanadium extraction process through vanadium slag roasting,unavailability of chromium and severe environment pollution caused by ’three wastes’,an improved efficient and cleaner technology of vanadium extraction by sub-molten salt metho...
Preparation of Vanadium Metal by Molten Salt Electrolysis
Wang Shulan, Li Shichao, Gu Dongyan
2012, 33(1): 20-23.
Abstract(93) PDF(7)
Abstract:
Vanadium metal was prepared by molten salt electrolysis method using vanadium oxide as raw material.The influence of electrolysis parameters such as electrolysis temperature,electrolysis voltage,electrolysis time and the area of anode on electrolysis current was studied.Scanning electro microscope i...
Research on Vanadium Extraction from Vanadium-bearing Iron Concentrate by Roasting with Sodium Salt and Ion Exchange Process
Gao Guanjin, Fu Zibi, Zhang Lei
2012, 33(1): 24-29.
Abstract(81) PDF(2)
Abstract:
Using the Baima vanadium-bearing titaniferous magnetite concentrate as raw material,research on sodium roasting and ion exchange process was carried out in the laboratory.The research focused on the effects of different kinds of sodium agents,proportioning,roasting temperature and cooling condition ...
Research on Vanadium Slag Roasted with Calcium Salt
CAO Peng
2012, 33(1): 30-34.
Abstract(80) PDF(7)
Abstract:
Optimal parameters of vanadium slag roasted with calcium salt were obtained through orthogonal tests and single factor tests on roasting temperature,roasting time and calcium/vanadium ratio.Variation of vanadium,iron and calcium carbonate during roasting was analyzed and the effect of cooling condit...
Comprehensive Utilization
Comprehensive Utilization of Chromium-bearing Vanadium Slag
Cao Hongbin, Lin Xiao, Ning Pengge, Zhang Yi
2012, 33(1): 35-39,49.
Abstract(98) PDF(1)
Abstract:
Chromium-bearing vanadium slag contains vanadium,chromium and other metals which are important national strategic resources.However,they are toxic to human health,so it is significant to dispose them.Clean utilization route of chromium-bearing vanadium slag with high added value in phosphorus chemic...
Research on Preparation of Formaldehyde Absorbent from Titaniferous Slag
Kong Deyu, Guan Hao, Zhang Qian, Sun Lipeng, Yang Meng
2012, 33(1): 40-43.
Abstract(73) PDF(2)
Abstract:
Due to high content of TiO2 with excellent photocatalytic degradation and wide source of availability at cheap cost,the BF titaniferous slag has drawn broad attention and interests focused on its efficient and rational utilization.The slag rich in TiO2 was treated by process of acid leaching with hy...
Processes for Iron and Steel
Experimental Study on Sintering by Adding High Grade Vanadium-bearing Titaniferous Magnetite Concentrate at Pangang
Rao Jiating, Zhang Yixian, Yang Xiaodong, Guo Jiaguang
2012, 33(1): 44-49.
Abstract(74) PDF(1)
Abstract:
Through sintering test,sintering performance of the high grade vanadium-bearing titaniferous magnetite concentrate from Zhaoyang of Baima Mine,Pan-Xi District was studied.Taking the place of Panzhihua concentrate,the Zhaoyang concentrate exhibited good performances in sintering,such as acceleration ...
Influence of Al2O3 Content on Sintering Performance of V-bearing Titaniferous Magnetite Concentrate
Du Changkun, Luo Qingming, Mai Jichang, Yuan Xiaoli, Wan Xin, Liu Hao
2012, 33(1): 50-54.
Abstract(74) PDF(1)
Abstract:
As high ratio of V-bearing titaniferous magnetite concentrate is used for the sintering feed in Sichuan Desheng Iron and Steel(Group)Company Ltd.,experiments were carried out at the laboratory to probe into the influence of Al2O3 on production yield and quality,reduction disintegration index at low ...
Analysis on Slag Skull on BF Copper Cooling Stave for Vanadium-bearing Titaniferous Magnetite Smelting
Ji Xiulan, Liu Zengxun, Lv Qing, Zhang Zhenfeng
2012, 33(1): 55-59.
Abstract(71) PDF(1)
Abstract:
A three dimensional heat transfer model of copper cooling stave is built and analysis on steady-state heat transfer is carried out by finite element software ANSYS to investigate characteristics of slag skull generated during vanadium-bearing titaniferous magnetite smelting.The results show that the...
Comparative Research on Flow Pattern of Molten Steel During REDA and RH During Refining Process
HOU Peng, AI Li-qun, SHI Xin-yue, XU Shao-xia
2012, 33(1): 60-64.
Abstract(80) PDF(2)
Abstract:
The flow behavior of molten steel in REDA and RH ladle during refining process was simulated by using computational fluid dynamics software.Flow field in refining process,circulation flow rate,Ar blowing route,and turbulent energy distributed on bath surface were analyzed.The results show that,compa...
Experimental Research on Reaction Kinetics of Reducing V2O5 from Slag by Si and Al
Zhou Yong, Li Zhengbang
2012, 33(1): 65-69.
Abstract(60) PDF(1)
Abstract:
In order to produce high speed steel with V2O5 by direct alloying,reaction kinetic test of reducing V2O5 from slag by Si and Al was conducted to study the influence of temperature and slag composition on reduction rate,and reaction mechanism was investigated to identify the limiting factors to reduc...
Metallic Material
Development of HRB500E High Strength Anti-seismic Rebars by Microalloying and Controlled Cooling Process
Su Candong, Chen Wei, Chen Bisheng
2012, 33(1): 70-75.
Abstract(112) PDF(1)
Abstract:
Considering the existing equipment available in the steelmaking and rolling plants of Honghe Iron and Steel Co.,Ltd.,HRB500E high strength anti-seismic rebars were developed by microalloying,controlled rolling and controlled cooling process and mechanical properties,microstructures,inclusions of reb...
Research on High Temperature Mechanical Properties of Nb-Ti-V Microalloyed Steel for Ship Plate
Yuan Pengfei, Wu Huajie, Yue Feng, Chen Junjie, Wang Wei
2012, 33(1): 76-81.
Abstract(63) PDF(1)
Abstract:
High temperature mechanical properties of continuously cast slabs of D36 steel for ship plate were tested by Gleeble-3500 thermomechanical simulator.The morphology of its fracture surface was analyzed by SEM,and its brittleness mechanism was also studied.The results showed that: the brittleness temp...
Research on Friction and Wear Characteristics of 0Cr17Ni7Al Steel
Fang Guanqun, Wang Shuqi, Mao Yishu
2012, 33(1): 82-86.
Abstract(70) PDF(1)
Abstract:
Friction and wear behavior and mechanism of a type of stainless steel 0Cr17Ni7Al were systematically studied under dry sliding condition with the load range of 25~75 N and the ambient temperature range from 25 ℃ to 400 ℃ by a pin-on-disc high-temperature wear & abrasion tester.The structure,morpholo...
Effect of Grain Composite Electrodeposition on Roughness of Metal Surface
Tan Yong, Liu Changsheng, Yu Xiaozhong
2012, 33(1): 87-90.
Abstract(61) PDF(1)
Abstract:
In this paper,the intermediate layer prepared with electrodepositing of nickel and super hard particles was then chromed.Parameters,including current density and temperature,were studied in the experiments.Surface roughmeter and SEM were used to obtain the roughness data and micrograph of the surfac...
Heat Treatment and Deep Cryogenic Treatment of Hot Die Steel
Qiu Qingzhong, Xiao Feng, Zhang Zhongqiu, Song Jingyan
2012, 33(1): 91-94.
Abstract(182) PDF(6)
Abstract:
The effects of various heat treatments on hot die steel X20CoCrWMo10-9 were investigated.By analyzing phase structure,microstructure and properties of the steel,optimal quenching temperature of 1 120 ℃ was identified.It was also found that deep cryogenic treatment would improve the hardness and abra...
2012, 33(1): 95-96.
Abstract(57) PDF(1)
Abstract: