Technical Development of Increasing Oxygen Used in EAF Process HE Qing,GUO Zheng(Central Iron and Steel Research Institute,Beijing100081,China)Abstract:Oxygen lance,burner and post-combustion are significant oxygen in...Technical Development of Increasing Oxygen Used in EAF Process HE Qing,GUO Zheng(Central Iron and Steel Research Institute,Beijing100081,China)Abstract:Oxygen lance,burner and post-combustion are significant oxygen injection technologies in EAF process.The combination of these technologies has an important effect on improving economic target and technical target.For example,electric power consumption is reduced,the tap-to-tap is shorten,and the production rate is increased and so on.Their principle,function,feature and application were introduced,and展开更多
Progress in Research on Liquid Zinc Corrosion of Bath HardwareWANG Wen-jun,WANG Yan-li,LIN Jun-pin,LIN Zhi(State Key Laboratory for Advanced Metals and Material,University of Science and Technology Beijing,Beijing 100...Progress in Research on Liquid Zinc Corrosion of Bath HardwareWANG Wen-jun,WANG Yan-li,LIN Jun-pin,LIN Zhi(State Key Laboratory for Advanced Metals and Material,University of Science and Technology Beijing,Beijing 100083,China)Abstract:The problems of liquid Zinc corrosion of the bath hardware of galvanizing line were introduced and analyzed.The research status for the technology of providing corrosion protection was discussed.展开更多
Discussion of Relevant Technical Problems in Fluorine-Free Mould Fluxes HE Sheng-ping, XU Chu-shao, WANG Qian, CHI Jing-hao, LI Yu-gang, QIU Gui-bao (College of Materials Science and Engineering, Chongqing University,...Discussion of Relevant Technical Problems in Fluorine-Free Mould Fluxes HE Sheng-ping, XU Chu-shao, WANG Qian, CHI Jing-hao, LI Yu-gang, QIU Gui-bao (College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China)展开更多
Numerical Simulation of Pulverized Coal Combustion in BF Raceway Injected by Oxy-Coal Burner Qiu Jihuan;;Zhang Zhiguo;;Sun Xuexin(Huazhong University of Science&Technology),Dong Yugui,Zhang Huihun(Central Iron&...Numerical Simulation of Pulverized Coal Combustion in BF Raceway Injected by Oxy-Coal Burner Qiu Jihuan;;Zhang Zhiguo;;Sun Xuexin(Huazhong University of Science&Technology),Dong Yugui,Zhang Huihun(Central Iron&Steel Research Institute,MMI)This paper deals with the numerical simulation of the pulverized coal combustion process occurring in front of the tuyere in BF raceway.The coal was injected by oxy-coal burner in different PC quantities and different density of展开更多
Velocity Field and Concentration Field of OxygenCoal Lance during Injection Zhou Jiangang(Central Iron and Steel Research Institute,MMI),Ding Yulong(Beijing University of Science and Technology)This paper introduces t...Velocity Field and Concentration Field of OxygenCoal Lance during Injection Zhou Jiangang(Central Iron and Steel Research Institute,MMI),Ding Yulong(Beijing University of Science and Technology)This paper introduces the structures of three types of oxygen-coal lances for blast furnace,i.e.multihole,center jet type and spiral type,and experimental and research work on the velocity field and concentration field in the展开更多
Effect of UPC on the Properties of High TitaniumBearing Slag of Blast Furnace ZHU Zi-zong,Zhang Bing-huai,Qiu Gui-bao(Chongqing University)Abstract:Experiments were carried out to clarify the effect of UPC on the form...Effect of UPC on the Properties of High TitaniumBearing Slag of Blast Furnace ZHU Zi-zong,Zhang Bing-huai,Qiu Gui-bao(Chongqing University)Abstract:Experiments were carried out to clarify the effect of UPC on the forming and dropping of high titanium-bearing展开更多
Influence of AlOon RD1 of Sinter Yang Huaming;;Qiu Guanzhou(Central South University of Technology)Fracture toughness method combined with electron microscopy was adopted to investigate the influence of AlOon RDI of s...Influence of AlOon RD1 of Sinter Yang Huaming;;Qiu Guanzhou(Central South University of Technology)Fracture toughness method combined with electron microscopy was adopted to investigate the influence of AlOon RDI of sinter.The results indicate that AlOis mainly in the glass phase of sinter in the forms of ferrum silico aluminate and calcium silico aluminate,which results in the decrease of展开更多
Experimental Study on the Pressure Drop of Pneumatic Conveying Pulverized Coal in a Pipeline(Ⅱ)Zhou Jiangang,Zhang Shu(Central Iron&Steel Research Institute,MMI)The dense-phase conveying of pulverized coal is a t...Experimental Study on the Pressure Drop of Pneumatic Conveying Pulverized Coal in a Pipeline(Ⅱ)Zhou Jiangang,Zhang Shu(Central Iron&Steel Research Institute,MMI)The dense-phase conveying of pulverized coal is a trend in the field of blast furnace.The experimental study on horizontal and vertical pipe pressure drops was completed,in which the solid/gas ratio was from 40 to 230kg/kg.The result was compared with展开更多
Important Development Trends of Coke Oven Gas Uti- lization in Steel Plant WANG Hai-feng~1, ZHANG Chun-xia~1, HU Chang-qing~2, QI Yuan-hong~1 State Key Labo- ratory for Advanced Steel Processing and Prod- ucts, Centra...Important Development Trends of Coke Oven Gas Uti- lization in Steel Plant WANG Hai-feng~1, ZHANG Chun-xia~1, HU Chang-qing~2, QI Yuan-hong~1 State Key Labo- ratory for Advanced Steel Processing and Prod- ucts, Central Iron and Steel Research Institute,展开更多
Progress of Heat-Resistant Steel for Supercritical and Ultra-Supercritical Steam Turbine ZHAO Cheng-zhi1,WEI Shuang-sheng2,GAO Ya-long3,WANG Yan-hua1(1.College of Materials Science and Chemical Engineering,Harbin Engi...Progress of Heat-Resistant Steel for Supercritical and Ultra-Supercritical Steam Turbine ZHAO Cheng-zhi1,WEI Shuang-sheng2,GAO Ya-long3,WANG Yan-hua1(1.College of Materials Science and Chemical Engineering,Harbin Engineering University,Harbin150001,Heilongjiang,China;2.Design and Research Center,展开更多
Review and Prospect of Weathering SteelYU Qian(Heat Mill Works,Shougang Qianan Iron and Steel Co Ltd,Qian’an 064404,Hebei,China)Abstract:The research progress of weathering steels and the main types and property requ...Review and Prospect of Weathering SteelYU Qian(Heat Mill Works,Shougang Qianan Iron and Steel Co Ltd,Qian’an 064404,Hebei,China)Abstract:The research progress of weathering steels and the main types and property requirements were summarized.The effects of alloying elements on atmospheric corrosion resistance of weathering steels were introduced.The development prospect of weathering steels is also included.Key words:weathering steel;atmospheric corrosion resistance;alloying elements[cf.2007,19(11):1]展开更多
文摘Technical Development of Increasing Oxygen Used in EAF Process HE Qing,GUO Zheng(Central Iron and Steel Research Institute,Beijing100081,China)Abstract:Oxygen lance,burner and post-combustion are significant oxygen injection technologies in EAF process.The combination of these technologies has an important effect on improving economic target and technical target.For example,electric power consumption is reduced,the tap-to-tap is shorten,and the production rate is increased and so on.Their principle,function,feature and application were introduced,and
文摘Progress in Research on Liquid Zinc Corrosion of Bath HardwareWANG Wen-jun,WANG Yan-li,LIN Jun-pin,LIN Zhi(State Key Laboratory for Advanced Metals and Material,University of Science and Technology Beijing,Beijing 100083,China)Abstract:The problems of liquid Zinc corrosion of the bath hardware of galvanizing line were introduced and analyzed.The research status for the technology of providing corrosion protection was discussed.
文摘Discussion of Relevant Technical Problems in Fluorine-Free Mould Fluxes HE Sheng-ping, XU Chu-shao, WANG Qian, CHI Jing-hao, LI Yu-gang, QIU Gui-bao (College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China)
文摘Numerical Simulation of Pulverized Coal Combustion in BF Raceway Injected by Oxy-Coal Burner Qiu Jihuan;;Zhang Zhiguo;;Sun Xuexin(Huazhong University of Science&Technology),Dong Yugui,Zhang Huihun(Central Iron&Steel Research Institute,MMI)This paper deals with the numerical simulation of the pulverized coal combustion process occurring in front of the tuyere in BF raceway.The coal was injected by oxy-coal burner in different PC quantities and different density of
文摘Velocity Field and Concentration Field of OxygenCoal Lance during Injection Zhou Jiangang(Central Iron and Steel Research Institute,MMI),Ding Yulong(Beijing University of Science and Technology)This paper introduces the structures of three types of oxygen-coal lances for blast furnace,i.e.multihole,center jet type and spiral type,and experimental and research work on the velocity field and concentration field in the
文摘Effect of UPC on the Properties of High TitaniumBearing Slag of Blast Furnace ZHU Zi-zong,Zhang Bing-huai,Qiu Gui-bao(Chongqing University)Abstract:Experiments were carried out to clarify the effect of UPC on the forming and dropping of high titanium-bearing
文摘Influence of AlOon RD1 of Sinter Yang Huaming;;Qiu Guanzhou(Central South University of Technology)Fracture toughness method combined with electron microscopy was adopted to investigate the influence of AlOon RDI of sinter.The results indicate that AlOis mainly in the glass phase of sinter in the forms of ferrum silico aluminate and calcium silico aluminate,which results in the decrease of
文摘Experimental Study on the Pressure Drop of Pneumatic Conveying Pulverized Coal in a Pipeline(Ⅱ)Zhou Jiangang,Zhang Shu(Central Iron&Steel Research Institute,MMI)The dense-phase conveying of pulverized coal is a trend in the field of blast furnace.The experimental study on horizontal and vertical pipe pressure drops was completed,in which the solid/gas ratio was from 40 to 230kg/kg.The result was compared with
文摘Important Development Trends of Coke Oven Gas Uti- lization in Steel Plant WANG Hai-feng~1, ZHANG Chun-xia~1, HU Chang-qing~2, QI Yuan-hong~1 State Key Labo- ratory for Advanced Steel Processing and Prod- ucts, Central Iron and Steel Research Institute,
文摘Progress of Heat-Resistant Steel for Supercritical and Ultra-Supercritical Steam Turbine ZHAO Cheng-zhi1,WEI Shuang-sheng2,GAO Ya-long3,WANG Yan-hua1(1.College of Materials Science and Chemical Engineering,Harbin Engineering University,Harbin150001,Heilongjiang,China;2.Design and Research Center,
文摘Review and Prospect of Weathering SteelYU Qian(Heat Mill Works,Shougang Qianan Iron and Steel Co Ltd,Qian’an 064404,Hebei,China)Abstract:The research progress of weathering steels and the main types and property requirements were summarized.The effects of alloying elements on atmospheric corrosion resistance of weathering steels were introduced.The development prospect of weathering steels is also included.Key words:weathering steel;atmospheric corrosion resistance;alloying elements[cf.2007,19(11):1]
