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Numerical Simulation for Investigation and Design of Steel Strip Induction Heating Lines for rolling mills

Journal of Iron and Steel Research International 2012年第S2期19卷 658-661页

作者： NIKANOROV Aleksandr NACKE Bernard LEE Dukman YOU Jongwoo Institute of Electrotechnology Leibniz Universitt Hannover POSCO Technical Research Laboratories

Continuous steel strip casting lines in rolling miles are under active *** to high thermal losses the thin strip is cooling down very fast and therefore a sufficient heating system is necessary before final *** induction heaters can realize the necessary fast heating of the strip and a good energy efEciency of *** of induction heating lines for rolling mills are of extremely high power,all even small improvements in their design and operating modes have significant technical and economical ***,the heating lines need an optimal design of the complex induction systems and only numerical simulation is a way to solve the *** two- and threedimensional numerical simulation approaches developed and applied for investigation and design of longitudinal induction heaters are described in the *** numerical models have been successfully used for development of modified coils allowing high efficient heating of thinner strip using the same operating *** electrical impedance of the modified coils has been provided on the level necessary for using the existing power supplies and matching *** high electrical efficiency,the modified coils improve the temperature distribution over the strip width by increased heating of the strip *** optimized and modifies induction coils have been successfully tested in industrial line.

关键词： steel strip induction heating rolling mills numerical simulation

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Numerical Simulation for Investigation and Design of Steel Strip Induction Heating Lines for rolling mills

Numerical Simulation for Investigation and Design of Steel S...

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第七届冶金与材料电磁过程国际会议（EPM2012）

作者： NIKANOROV Aleksandr NACKE Bernard LEE Dukman YOU Jongwoo Institute of Electrotechnology Leibniz Universitat Hannover POSCO Technical Research Laboratories

Continuous steel strip casting lines in rolling miles are under active *** to high thermal losses the thin strip is cooling down very fast and therefore a sufficient heating system is necessary before final *** induction heaters can realize the necessary fast heating of the strip and a good energy efficiency of *** of induction heating lines for rolling mills are of extremely high power,all even small improvements in their design and operating modes have significant technical and economical ***,the heating lines need an optimal design of the complex induction systems and only numerical simulation is a way to solve the *** two- and threedimensional numerical simulation approaches developed and applied for investigation and design of longitudinal induction heaters are described in the *** numerical models have been successfully used for development of modified coils allowing high efficient heating of thinner strip using the same operating *** electrical impedance of the modified coils has been provided on the level necessary for using the existing power supplies and matching *** high electrical efficiency,the modified coils improve the temperature distribution over the strip width by increased heating of the strip *** optimized and modifies induction coils have been successfully tested in industrial line.

关键词： steel strip induction heating rolling mills numerical simulation

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大型轧机主传动交流调速技术的发展

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电气时代 2003年第Z1期 66-69页

作者：李崇坚冶金自动化研究院

　　大功率轧钢机主传动要求电气传动系统具有很高动态响应和相当高的过载能力.20世纪70年代以后,随着交流电动机矢量控制理论的产生及其应用技术的推广,许多国家都投入了大量人力物力对交交变频轧钢机主传动进行研究.目前,无论是初轧... 详细信息

　　大功率轧钢机主传动要求电气传动系统具有很高动态响应和相当高的过载能力.20世纪70年代以后,随着交流电动机矢量控制理论的产生及其应用技术的推广,许多国家都投入了大量人力物力对交交变频轧钢机主传动进行研究.目前,无论是初轧机、中板轧机还是热、冷连轧机,无一例外全部采用交流变频调速.……

关键词：轧机主传动交流调速技术 rolling mills 轧钢机交流变频调速电气传动系统交流电动机中板轧机应用技术冷连轧机控制理论交交变频过载能力动态响应大功率初轧机矢量国家

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The Techniques to Reduce Variations within One Plate

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Journal of Beijing Institute of Technology 1996年第2期5卷 154+148-154页

作者：梁启宏张迪生耿庆波陈锦娣北京理工大学自动控制系

Conventional techniques to control variations within one plate have been based on preset models and constant automatic position control (APC or pressure feedback automatic gauge control(PAGC).*** of the rolling force prediction error in the preset models and of the inadequate response speed of dynamic system and of the eccentricity, etc.,the conventional method has not given satisfactory results, the statistics'variations within one plate are in range of 0.25-0.60 mm The authors have developed the techniques to control the variations, which are dynamic intelligent control of hydraulic screwdown system. synchronism control of hydraulic screwdown, eccentricity control method by rotary encoder and the curve of modulus of mill measured automatically, etc., The techniques were fully and successfully industrialized in The Plate Mill of Maanshan Iron and Steel Company and good results that variations are in range of 0.08-0.15min hare been obtained in that mill.

关键词： automatic gauge control (AGC) rolling mills thickness control computer control

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Green thinking in the steel rolling mill

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Baosteel Technical Research 2010年第S1期4卷 105-页

作者： M STEEPER G HOHENBICHLER R SHORE F LOEW J ALLWOOD J CULLEN Siemens VAI Metals Technologies Sheffield UK Siemens VAI Metals Technologies Linz Austria Siemens VAI Metals Technologies Erlangen Germany WellMet2050 University of Cambridge UK

In terms of energy use and carbon footprint,it is the primary processes of ironmaking and steelmaking that command most attention in our *** rolling mills,although energy-intensive by comparison with most industrial finishing operations,are often overlooked when a steel company considers its environmental responsibilities and its energy-saving opportunities. The high gearing of energy consumption of the primary processes over the finishing processes has an important consequence,*** key to green rolling is as much about yield(and avoiding the remelting of scrap) as it is about direct energy use. This paper uses a project case study,the design and commissioning of the Endless Strip Processing(ESP) plant of Arvedi in Italy to illustrate how modern rolling mills are contributing to a greener steel *** relevant technical features include the energy savings implicit in near-net shape casting and in direct rolling,without intermediate reheating,advances in drive and power conversion technologies and the aforementioned concept of energy saving through yield maximisation. Some notable co-operative efforts towards greener rolling are also explained,including university collaborations and in particular the WellMet2050 project at the University of *** conclusion,the green credentials of steel usage in general industry are considered and key messages for the engineering community are sought.

关键词： rolling mills yield maximisation energy steel

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