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基于回转窑表面的红外双波段测温方法研究
投稿时间:2018-02-09  修订日期:2018-02-19  点此下载全文
引用本文:程亚军.基于回转窑表面的红外双波段测温方法研究[J].红外,2018,39(4):43~48
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作者单位E-mail
程亚军 重庆邮电大学 cyjenter@163.com 
基金项目:国家自然科学基金项目(61671094);重庆市科委项目(CSTC2015JCYJA40032)
中文摘要:回转窑是水泥熟料生产中的重要煅烧设备。在生产过程中,需要通过对回转窑的表面温度进行测量来监测窑体内部的生产状态。传统方法使用单波段红外测温对回转窑的表面温度进行监测,但是这种方法的测温精度不高,无法获取准确的测温数据。为了提高回转窑表面测温精度,提出了一种红外双波段测温方法。首先对传统的回转窑测温方法进行了理论分析,包括影响测温的几种主要因素;然后介绍了双波段测温原理,并推导出了基于回转窑的双波段测温模型;最后对其进行了实验验证。结果表明,与传统的单波段测温方法相比,本文方法在温度测量方面具有更高的精度。
中文关键词:回转窑  单波段  红外测温  测温精度  双波段
 
Study of Infrared Dual Band Temperature Measurement Method Based on Surface of Rotary Kiln
Abstract:Rotary kilns are important calcining equipment in cement clinker production. In the production process of cement clinker, the surface temperature of a rotary kiln should be measured so as to monitor the internal production state of the kiln. Traditional methods usually use single-band infrared temperature measurement technology to monitor the surface temperature of rotary kilns. However, their temperature measurement accuracy are not high enough to obtain accurate temperature measurement data. To improve the measurement accuracy of surface temperature of a rotary kiln, a dual-band infrared temperature measurement method is proposed. First, the traditional rotary kiln temperature measurement method and several main factors which affect temperature measurement are analyzed theoretically. Then, the principle of dual-band temperature measurement is presented and a dual-band temperature measurement model based on the rotary kiln is deduced. Finally, the model is verified experimentally. The experimental result shows that this dual-band infrared temperature measurement method has higher temperature measurement accuracy compared with the traditional single-band temperature measurement method in temperature measurement.
keywords:rotary kiln  single band  infrared temperature measurement  temperature measurement precision  dual band
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