工程科学学报，第37卷，第8期：1069-1075,2015年8月 Chinese Journal of Engineering,Vol.37,No.8:1069-1075,August 2015 D0l:10.13374/j.issn2095-9389.2015.08.015:http://journals..ustb.edu.cn 基于CCD的高炉风口回旋区三维温度场的检测技术 王洪桥”，程树森》，赵立英)区，张英伟》 1)北京科技大学数理学院，北京1000832)北京科技大学治金与生态工程学院，北京100083 ☒通信作者，E-mail:livingzhao(@usth.cdu.cn 摘要在存在多介质的高炉回旋区内，首先利用安装在风口直吹管窥视孔的电荷耦合器件(charged couple device,CCD)摄 像机可以获得高炉回旋区内累积的二维温度辐射图像，然后将高炉回旋区均分成若干小块，利用数学模型近似模拟回旋区内 的辐射传热过程并建立矩阵方程，通过求解方程获得高炉回旋区内的三维温度场.在模拟辐射传热过程中，本文提出了一种 更有效也更符合实际生产的新方法一基于距离的高斯函数模型来模拟高炉内介质的辐射能量传播过程并获得了较好的三 维温度场.由于存在波动误差以及电荷耦合器件摄像机测量误差等，所以我们通过在测量数据中添加随机误差来验证重构 温度场的有效性以及稳定性.结果显示重构的三维温度场与真实温度场非常接近，误差在高炉工业允许的5%范围以内· 关键词高炉：三维：温度分布：检测技术：电荷耦合器件摄像机 分类号T573·.7 A technique for measuring the three-dimensional temperature field of a blast furnace tuyere raceway based on CCD WANG Hong-giao,CHENG Shu-sen,ZHAO Li-ying,ZHANG Ying-ei 1)School of Mathematics and Physics,University of Science and Technology Beijing,Beijing 100083,China 2)School of Metallurgical and Ecological Engineering,University of Science and Technology Beijing,Beijing 100083,China Corresponding author,E-mail:liyingzhao@ustb.edu.en ABSTRACT In a blast furnace raceway with many mediums,two-dimensional temperature radiant images are obtained with a CCD camera installed in the blowpipe peephole.After the blast furnace raceway is divided into many small pieces,the radiation heat trans- fer process in the blast furnace raceway is simulated and a matrix equation is established by using a mathematical model.Then the three-dimensional temperature field of the blast furnace raceway is derived from solving the equation.In simulating the radiation heat transfer process,a new method,which is more effective and accordant with actual production,is introduced that a distance-based Gaussian function model is used to simulate radiation energy propagation in the blast furnace raceway,and thus a better three- dimensional temperature field is got by this method.Due to the existence of fluctuation error,CCD camera measurement error and so on,random error is added in the measurement data to demonstrate the effectiveness and stability of the reconstructed temperature field. The results show that the three-dimensional temperature field is very close to the actual temperature field,and the error is within 5% that is allowed in the blast furnace industry. KEY WORDS blast furnaces;three-dimensional;temperature distribution:measurement techniques;CCD cameras 高炉炼铁生产过程中，通过风力将煤粉输送到风的温度大小是高炉生产过程中的关键因素，它对炉缸 口燃烧，由于高速度的热风鼓入使得焦炭煤粉颗粒在 内渣铁的形成以及生铁的质量具有重要的影响作用， 高炉内做回旋运动，由此而形成回旋区.风口回旋区 因此对高炉风口回旋区温度进行监控检测是高炉冶炼 收稿日期：2014-03-30 基金项目：国家自然科学基金资助项目(61271303)工程科学学报，第 37 卷，第 8 期: 1069--1075，2015 年 8 月 Chinese Journal of Engineering，Vol． 37，No． 8: 1069--1075，August 2015 DOI: 10． 13374 /j． issn2095--9389． 2015． 08． 015; http: / /journals． ustb． edu． cn 基于 CCD 的高炉风口回旋区三维温度场的检测技术 王洪桥1) ，程树森2) ，赵立英1) ，张英伟2) 1) 北京科技大学数理学院，北京 100083 2) 北京科技大学冶金与生态工程学院，北京 100083  通信作者，E-mail: liyingzhao@ ustb． edu． cn 摘 要 在存在多介质的高炉回旋区内，首先利用安装在风口直吹管窥视孔的电荷耦合器件( charged couple device，CCD) 摄 像机可以获得高炉回旋区内累积的二维温度辐射图像，然后将高炉回旋区均分成若干小块，利用数学模型近似模拟回旋区内 的辐射传热过程并建立矩阵方程，通过求解方程获得高炉回旋区内的三维温度场． 在模拟辐射传热过程中，本文提出了一种 更有效也更符合实际生产的新方法———基于距离的高斯函数模型来模拟高炉内介质的辐射能量传播过程并获得了较好的三 维温度场． 由于存在波动误差以及电荷耦合器件摄像机测量误差等，所以我们通过在测量数据中添加随机误差来验证重构 温度场的有效性以及稳定性． 结果显示重构的三维温度场与真实温度场非常接近，误差在高炉工业允许的 5% 范围以内． 关键词 高炉; 三维; 温度分布; 检测技术; 电荷耦合器件摄像机 分类号 TF573 + . 7 A technique for measuring the three-dimensional temperature field of a blast furnace tuyere raceway based on CCD WANG Hong-qiao1) ，CHENG Shu-sen2) ，ZHAO Li-ying1)  ，ZHANG Ying-wei2) 1) School of Mathematics and Physics，University of Science and Technology Beijing，Beijing 100083，China 2) School of Metallurgical and Ecological Engineering，University of Science and Technology Beijing，Beijing 100083，China  Corresponding author，E-mail: liyingzhao@ ustb． edu． cn ABSTＲACT In a blast furnace raceway with many mediums，two-dimensional temperature radiant images are obtained with a CCD camera installed in the blowpipe peephole． After the blast furnace raceway is divided into many small pieces，the radiation heat trans￾fer process in the blast furnace raceway is simulated and a matrix equation is established by using a mathematical model． Then the three-dimensional temperature field of the blast furnace raceway is derived from solving the equation． In simulating the radiation heat transfer process，a new method，which is more effective and accordant with actual production，is introduced that a distance-based Gaussian function model is used to simulate radiation energy propagation in the blast furnace raceway，and thus a better three￾dimensional temperature field is got by this method． Due to the existence of fluctuation error，CCD camera measurement error and so on，random error is added in the measurement data to demonstrate the effectiveness and stability of the reconstructed temperature field． The results show that the three-dimensional temperature field is very close to the actual temperature field，and the error is within 5% that is allowed in the blast furnace industry． KEY WOＲDS blast furnaces; three-dimensional; temperature distribution; measurement techniques; CCD cameras 收稿日期: 2014--03--30 基金项目: 国家自然科学基金资助项目( 61271303) 高炉炼铁生产过程中，通过风力将煤粉输送到风 口燃烧，由于高速度的热风鼓入使得焦炭煤粉颗粒在 高炉内做回旋运动，由此而形成回旋区． 风口回旋区 的温度大小是高炉生产过程中的关键因素，它对炉缸 内渣铁的形成以及生铁的质量具有重要的影响作用， 因此对高炉风口回旋区温度进行监控检测是高炉冶炼