大气与环境光学学报 ›› 2016, Vol. 11 ›› Issue (1): 31-36.

• 环境光学监测技术 • 上一篇    下一篇

傅里叶变换红外光谱技术在多组分烟气在线监测中的应用

张帅1, 钱江*1, 李传新1,徐亮2,高闽光2,刘建国2   

  1. (1安徽蓝盾光电子股份有限公司,安徽 铜陵 244000;
     2中国科学院安徽光学精密机械研究所 环境光学与技术重点实验室,安徽 合肥 230031)
  • 出版日期:2016-01-28 发布日期:2016-01-28
  • 通讯作者: 张帅(1981年-),男,安徽省枞阳县人,博士,主要从事环境光学监测技术方面的研究。 E-mail:qj@ldchina.cn
  • 作者简介:张帅(1981年-),男,安徽省枞阳县人,博士,主要从事环境光学监测技术方面的研究。
  • 基金资助:

    国家重大科学仪器设备开发专项(2013YQ220643)、国家科技支撑计划项目(2014BAC17B01)资助

Application of FTIR Spectroscopy in On-Line Monitoring of Multi Flue Gas

ZHANG Shuai1, QIAN Jiang1*, LI Chuanxin1, XU Liang2, GAO Minguang2, LIU Jianguo2   

  1. (1Anhui Landun Photoelectron CO. LTD, Anhui Tongling, 244000,China;
     2 Key Laboratory of Environment Optics and Technology, Anhui Institute of Optics and Mechanics, Chinese Academy of Sciences, Hefei 230031, China)
  • Published:2016-01-28 Online:2016-01-28

摘要:

烟气排放造成了严重的环境污染,其组分复杂和恶劣的检测环境对在线检测带来极大的困难。介绍了基于傅里叶变换红外光谱技术的烟气多组分在线FTIR监测系统,该系统对烟气气路采用全程180℃伴热方式,并对多次反射池进行高温伴热,解决探测过程中烟气的冷凝和吸附损耗等问题。该系统可用于烟气中二氧化硫、氯化氢、氮氧化物等多种气体浓度的监测。采用该系统与MCS100FT烟气在线检测系统进行实时比对实验,测量结果具有良好一致性。实验表明对抽取烟气进行全程高温伴热方式的FTIR在线监测系统可用于烟气中多种气体浓度的测量。

关键词: 傅里叶变换, 红外, 多次反射池, 高温烟气采样

Abstract:

Flue gas emissions is one of major sources of environmental pollution. The complex components and bad test environment bring great difficulties for the online detection. The continuous online monitoring system used for the multiple gas components analysis in flue gas which is based on FTIR spectrometer technique is introduced. In this system, the flue gas path is heated, and the multiple reflection cell is also thermostat heated. Those technologies are used to solve the problem of condensation and adsorption of flue gas in the process. The system can be used for the gas concentration monitoring of SO2, HCl, oxynitride and the other gas in flue gas. A real-time comparison experiment between this system and CEMS was carried out with a good coincidence. The experiment shows that the online monitoring system based on FTIR spectrometer technique can be used in the measurement of concentration of multiple gas components in flue gas.

Key words: Fourier Transform, infrared spectrometer, multiple reflection cell, high-temperature heating system

中图分类号: