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改革开放前,我国热轧带钢轧机只有建国初期由前苏联援建的鞍钢半连续式1700mm机组和20世纪70年代武钢从日本引进的3/4连续式1700mm热连轧机组,技术水平与国际水平差距较大。改革开放后,我国以宝钢引进2050mm热连轧机为契机,开始了以引进为主的现代化板带热连轧机的建设,引进了加热炉燃烧控制技术、厚度控制技术(AGC)、板形控制技术(CVC)、立辊控宽和调宽技术(AWC和SSC控制)、连轧张力
Before the reform and opening up, only the semi-continuous 1700mm unit of Ansteel aided by the former Soviet Union and the 3/4 continuous 1700mm hot strip mill introduced from Japan in the 1970s by Wuhan Iron and Steel Company in the early days of founding of PRC, The level of difference is larger. After the reform and opening up, with the introduction of 2050mm hot strip mill in Baosteel, China started the construction of a modern strip hot strip mill mainly based on introduction and introduced the technologies of furnace combustion control, thickness control (AGC) and shape control (CVC), Vertical Roll Width Control and Width Modulation (AWC and SSC Control), Rolling Tension