板带轧制装备-工艺-产品质量综合控制融合发展综述

Review of the Integrated Development of Strip Rolling Equipmentprocess-product Quality Control

精品板带钢生产涉及装备、工艺和产品质量等多方面,其中,装备为工艺提供平台支撑,工艺优化和装备革新直接决定产品质量提升,而终端用户需求和产品质量的提升再次驱动装备和工艺的再创新,这种螺旋式融合发展推动了板带轧制装备、工艺和产品质量系统集成和协同发展。然而,当前装备-工艺-产品质量之间适配度偏低己成为制约精品板带钢产品质量提升的瓶颈,催生出由传统单一学科向多学科交叉融合联合攻关板带轧制领域关键核心技术难题的新发展趋势。围绕板带轧制理论及轧机系统柔性适配理论技术、轧机装备稳健运行控制、产品形性一体化控制理论技术,总结分析板带轧制装备、工艺、产品质量综合控制的最新进展。在板带轧制理论及轧机系统柔性适配理论技术方面,针对轧机负载辊缝变化以及瞬态突变状态下缺乏柔性适配调控能力的技术难题,讨论当前板带轧机负载辊缝形状控制理论技术,提出板带轧制过程装备-工艺-产品适配理论技术,进一步提升装备对工艺和产品的支撑作用和平台功效。在板带轧机装备稳健运行控制方面,分析板带轧机装备传感测试和系统稳健运行控制理论技术等亟待解决的关键科学问题与技术难题,为轧机高质量稳健运行提供技术支撑。在板带轧制产品形性一体化控制理论技术方面,针对轧制产品形状尺寸、表面质量、组织性能跨尺度协同控制难度大的问题,提出轧辊-轧件综合控制理论技术,为板带轧制形性一体化智能高效协同控制提供理论支撑。最后围绕以装备为基础,工艺为关键,产品质量为目标,对板带轧制综合控制融合发展进行了总结和展望。

High quality strip steel production involves equipment,process and product quality,etc.In which,the equipment provides platform support for the process,process optimization and equipment innovation determine product quality improvement,while the end-user demand and product quality improvement again promote the equipment and process innovation.This spiral fusion development promotes the strip rolling equipment,process and product quality system integration and synergistic development.However,the low compatibility between strip rolling equipment,process,and product quality has become the bottleneck restricting the improvement of high-quality strip products and the innovative development of complete sets of equipment.Generate a new development trend from traditional single discipline to multi-disciplinary cross integration to jointly tackle the key core technology problems in the field of strip rolling.This paper focuses on the theory and technology of strip rolling,flexible adaptation of rolling systems,robust operation control of rolling equipment,and product shape and performance integration control.It summarizes and analyzes the latest progress in integrated control of strip rolling equipment,process,and product quality.Regarding the strip rolling and flexible adaptation of the rolling system,this paper focuses on the need for more flexible adaptation control under the loaded roll gap change and mill systems’transient mutation state.The current theory and technology of loaded roll gap shape control for strip mills are discussed.Moreover,the equipment-process-product adaptation in strip rolling is put forward to improve the equipment’s supporting role and platform effectiveness.Regarding the robust operation control of strip rolling mill equipment,this paper analyzes the critical scientific and technical problems that need to be solved in sensing tests,systems robust operation control,and the health quality control of critical components of strip rolling equipment to provide technical support for the high quality of the rolling.Regarding rolling strip products’shape and performance integration control,this paper analyses the cross-scale synergistic control of the strip steel’s shape,size,surface quality,microstructure,and performance.The roller-piece integrated control theory and technology are proposed.It will provide theoretical support for the intelligent and efficient synergistic control of the strip steel’s integrated shape and performance.Finally,with equipment technology as the basis,the production process as the key,and product quality as the goal,the development of integrated control of strips and rolling mills are summarized and prospected.