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Study of dual-phase drive synchronization method and temperature measurement algorithm for measuring external surface temperatures of ethylene cracking furnace tubes
Applied Petrochemical Research Pub Date : 2018-06-28 , DOI: 10.1007/s13203-018-0205-x
Zhiping Peng , Jieguang He , Yun Tan , Delong Cui , Qirui Li , Jingbo Qiu

Currently, the manual method using hand-held infrared temperature measurement instruments for measuring temperatures on the external surfaces of ethylene cracking furnace tubes is highly subjective and is affected by a number of prominent issues, such as the high temperature working environments, which leads to low efficiency and poor measurement accuracy. Hence, an automatic temperature measurement system based on infrared light is designed and realized. In the system, a dual-phase drive synchronization method is proposed to rotate the thermodetector during horizontal movements, thus realizing automatic batch temperature measurements of the furnace tubes. Moreover, a temperature processing algorithm is developed to automatically identify furnace wall and tube surface temperatures, filter out abnormal temperatures and select only high-quality temperature measurements prior to calculating the final result. Real temperature measurement experiments demonstrated that the dual-phase drive temperature measurement system and temperature processing method are effective and efficient. Compared with the traditional manual way, temperatures obtained using the proposed system are more stable and accurate.

中文翻译:

乙烯裂解炉管外表面温度的双相驱动同步方法和温度测量算法研究

当前,使用手持式红外测温仪测量乙烯裂解炉管外表面温度的手动方法具有很高的主观性,并且受到诸如高温工作环境等导致温度低的一些突出问题的影响。效率高,测量精度差。因此,设计并实现了一种基于红外光的自动温度测量系统。在该系统中,提出了一种双相驱动同步方法,以在水平运动期间旋转热探测器,从而实现炉管的自动批温度测量。此外,还开发了一种温度处理算法来自动识别炉壁和炉管表面温度,在计算最终结果之前,请过滤掉异常温度并仅选择高质量的温度测量值。实际温度测量实验表明,双相驱动温度测量系统和温度处理方法是有效的。与传统的手动方式相比,使用建议的系统获得的温度更加稳定和准确。
更新日期:2018-06-28
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