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研究了高炉密闭环境下,雷达测量料面和料层厚度的微波电磁特性.利用电磁计算学和CST仿真方法,研究了媒介层介电常数模型,高炉料面和料层模型的微波透射、反射和吸收特性,高炉布料层数、雷达波入射角度和雷达波频段与炉料媒介层介电常数重构关系模型.利用雷达波反射和透射电磁特性,结合高炉雷达的分布式雷达传感阵列,并利用焦矿媒介层存在介电常数差的特征,实现了高炉内料面形状和三层焦矿厚度在线3D重构.
The microwave electromagnetic properties of the material and the thickness of the material layer measured by radar in a closed environment of blast furnace were studied.Based on the electromagnetic calculation and CST simulation methods, the dielectric constant model of the medium layer, the microwave transmission and reflection And absorption characteristics, the number of layers of blast furnace fabric, the incident angle of radar wave and the reconstruction of the dielectric constant between the radar band and the charge medium layer, the radar reflection and transmission electromagnetic properties are combined with the distributed radar sensor array of blast furnace radar Utilizing the characteristics of the difference of dielectric constant in the coke media layer, the on-line 3D reconstruction of the shape of the inner surface of the blast furnace and the thickness of the three coke deposits is realized.