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Application of a Temperature Measurement System Based on CCD Sensor in Blast Furnace Tuyere Raceway

机译：基于CCD传感器的测温系统在高炉风口风道中的应用

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According to the principle of spectral radiation, a color charge-coupled-device (CCD)-based pyrometer system has been established for the detection of combustion in the blast furnace tuyere raceway. The two-color method is applied to calculate the two-dimensional projection temperature distribution, as it has great advantages in the harsh measurement environment. In this chapter, the radiation images of the flame in the raceway are photographed using a color CCD camera and its two-dimensional projection temperature distribution is obtained by the two-color method and image processing technology. The results show that the average projection temperature of 320 and 5500 m3 blast furnace are about 2260.5 K and 2266.8 K, respectively. The measured results are basically agreed with the theoretical combustion temperature. It is indicated that the temperature measurement system developed in this chapter can accurately evaluate the combustion situation in the raceway and it contributes to the stable operation of the blast furnace.
机译：根据光谱辐射原理，已经建立了基于彩色电荷耦合器件（CCD）的高温计系统，用于检测高炉风口风道中的燃烧。由于在恶劣的测量环境中具有很大的优势，因此采用了两种颜色的方法来计算二维投影温度分布。在本章中，使用彩色CCD相机拍摄滚道中火焰的辐射图像，并通过双色方法和图像处理技术获得其二维投影温度分布。结果表明，320和5500 m3高炉的平均投影温度分别约为2260.5 K和2266.8K。测量结果与理论燃烧温度基本吻合。结果表明，本章开发的温度测量系统可以准确地评估滚道内的燃烧情况，有助于高炉的稳定运行。

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