第36卷第1期 北京科技大学学报 Vol.36 No.1 2014年1月 Journal of University of Science and Technology Beijing Jan.2014 基于雷达的高炉料线形状融合测量与补偿算法 苗亮亮，陈先中，白真龙，黄月琴，侯庆文，尹怡欣 北京科技大学自动化学院钢铁流程先进控制教有部重点实验室，北京100083 ☒通信作者，E-mail:d_bai@sina.com 摘要不采用传统接触力模型自下而上的高炉料面形状计算方法，而是根据土坡力学颗粒物质堆积理论，提出了新的基于 堆积法的高炉料线形状融合计算方法，直接对料面形状进行计算.围绕高炉多环布料的炉料堆积特点，结合炉顶六点阵列雷 达，获得了料面形状计算的边界条件，弥补了传统料型计算靠十字测温加机械探尺的经验估算.新方法通过高炉布料规律及 炉料颗粒的物理堆积插值方法，采用贝叶斯数据融合方法和分段三次Hermite插值，结合布料体积约束条件，完成了理论计算 与测量修正的结合.实测结果表明：料面形状融合法比传统单独的料面估算法，测量精度提高4.8%，料面分辨率提高 27.2%,使布料控制可以更加精准和有针对性 关键词高炉；布料：雷达测量：数据融合：插值 分类号TF512 Blast furnace line shape measurement fusion and compensation algorithm based on radar MIAO Liang-Hiang,CHEN Xian-zhong,BAI Zhen-ong,HUANG Yue-qin,HOU Qin-wen,YIN Yi-xin Key Laboratory of Advanced Control for Iron and Steel Processof the Ministry of Education,School of Automation and Electrical Engineering,University of Science and Technology Beijing,Beijing 100083,China Corresponding author,E-mail:zl_bai@sina.com ABSTRACT A fusion measuring method proposed in this paper by using the soil mechanical granular accumulation theory is a new concept for computing the burden line shape in blast furnaces.This method offers a powerful solution to compute the burden line shape directly in comparison with the traditional way in which the contact force model is adopted to compute the burden line shape in blast fur- naces from the bottom up.With the multiloop distributing accumulation property of blast furnaces and the advantage of 6-point array ra- dar on the top,the boundary conditions of the burden line shape can be easily calculated.Under the boundary conditions,the esti- mated values gotten by cross temperature and mechanical sounding rods can be compensated.Taking into consideration the distributing discipline of blast furnaces and the particle accumulation method,this method adopts Bayes data fusion and sectional triple Hermite in- terpolation under the boundary conditions to finish the combination of theoretical calculation and measurement correction.Measurement results indicate that compared with the traditional method,the measurement accuracy rises by 4.8%and the resolution of the burden line increases by 27.2%,which make the control of burdening more precise and more targeting. KEY WORDS blast furnaces:burden:radar measurement;data fusion:interpolation 高炉料线形状是炉料颗粒在炉内过炉心纵向剖 状检测手段受限制，无法直接获得料线矿焦平台的 面上的形状.高炉布料控制的关键环节是使高炉料 起止位置、平台宽度及料线具体形状.传统的料线 线形成具有一定宽度的矿焦平台，从而使炉况稳定 重构方法主要有以下几类：建立布料方程，应用布料 顺行. 规律计算炉料落点位置为料线上堆尖位置，再假定 由于高炉是高温高压高粉尘密闭容器，料线形 料线形状重构料线)：采用开炉时的料面多点激 收稿日期：2012-10-25 基金项目：北京市自然科学基金资助项目(4132065) DOI:10.13374/j.issn1001-053x.2014.01.013:http://journals.ustb.edu.cn第 36 卷 第 1 期 2014 年 1 月 北京科技大学学报 Journal of University of Science and Technology Beijing Vol． 36 No． 1 Jan． 2014 基于雷达的高炉料线形状融合测量与补偿算法 苗亮亮，陈先中，白真龙，黄月琴，侯庆文，尹怡欣 北京科技大学自动化学院钢铁流程先进控制教育部重点实验室，北京 100083  通信作者，E-mail: zl_bai@ sina． com 摘 要 不采用传统接触力模型自下而上的高炉料面形状计算方法，而是根据土坡力学颗粒物质堆积理论，提出了新的基于 堆积法的高炉料线形状融合计算方法，直接对料面形状进行计算． 围绕高炉多环布料的炉料堆积特点，结合炉顶六点阵列雷 达，获得了料面形状计算的边界条件，弥补了传统料型计算靠十字测温加机械探尺的经验估算． 新方法通过高炉布料规律及 炉料颗粒的物理堆积插值方法，采用贝叶斯数据融合方法和分段三次 Hermite 插值，结合布料体积约束条件，完成了理论计算 与测量修正的结合． 实测结果表明: 料面形状融合法比传统单独的料面估算法，测量精度提高 4. 8% ，料面分辨率提高 27. 2% ，使布料控制可以更加精准和有针对性． 关键词 高炉; 布料; 雷达测量; 数据融合; 插值 分类号 TF512 Blast furnace line shape measurement fusion and compensation algorithm based on radar MIAO Liang-liang，CHEN Xian-zhong，BAI Zhen-long ，HUANG Yue-qin，HOU Qin-wen，YIN Yi-xin Key Laboratory of Advanced Control for Iron and Steel Processof the Ministry of Education，School of Automation and Electrical Engineering，University of Science and Technology Beijing，Beijing 100083，China  Corresponding author，E-mail: zl_bai@ sina． com ABSTＲACT A fusion measuring method proposed in this paper by using the soil mechanical granular accumulation theory is a new concept for computing the burden line shape in blast furnaces． This method offers a powerful solution to compute the burden line shape directly in comparison with the traditional way in which the contact force model is adopted to compute the burden line shape in blast fur￾naces from the bottom up． With the multiloop distributing accumulation property of blast furnaces and the advantage of 6-point array ra￾dar on the top，the boundary conditions of the burden line shape can be easily calculated． Under the boundary conditions，the esti￾mated values gotten by cross temperature and mechanical sounding rods can be compensated． Taking into consideration the distributing discipline of blast furnaces and the particle accumulation method，this method adopts Bayes data fusion and sectional triple Hermite in￾terpolation under the boundary conditions to finish the combination of theoretical calculation and measurement correction． Measurement results indicate that compared with the traditional method，the measurement accuracy rises by 4. 8% and the resolution of the burden line increases by 27. 2% ，which make the control of burdening more precise and more targeting． KEY WOＲDS blast furnaces; burden; radar measurement; data fusion; interpolation 收稿日期: 2012--10--25 基金项目: 北京市自然科学基金资助项目( 4132065) DOI: 10． 13374 /j． issn1001--053x． 2014． 01． 013; http: / /journals． ustb． edu． cn 高炉料线形状是炉料颗粒在炉内过炉心纵向剖 面上的形状． 高炉布料控制的关键环节是使高炉料 线形成具有一定宽度的矿焦平台，从而使炉况稳定 顺行． 由于高炉是高温高压高粉尘密闭容器，料线形 状检测手段受限制，无法直接获得料线矿焦平台的 起止位置、平台宽度及料线具体形状． 传统的料线 重构方法主要有以下几类: 建立布料方程，应用布料 规律计算炉料落点位置为料线上堆尖位置，再假定 料线形状重构料线［1--3］; 采用开炉时的料面多点激