基于TDLAS 技术在垃圾焚烧中HCl 的在线监测应用

刘立富; 张涵; 温作乐; 蒋嗣航; 于志伟

doi:doi:10.3788/lop52.110101

激光与光电子学进展, 2015, 52 (11): 110101, 网络出版: 2015-11-09

基于TDLAS 技术在垃圾焚烧中HCl 的在线监测应用下载： 580次

Application of TDLAS Technique to HCl Online Monitoring in Waste Incineration

论文大纲

刘立富 ^1,2,*张涵 ¹温作乐 ¹蒋嗣航 ¹于志伟 ¹

作者单位

¹ 杭州泽天科技有限公司, 浙江杭州 310052

² 浙江工业大学经贸管理学院, 浙江杭州 310023

大气光学可调谐半导体激光吸收光谱 HCl 监测垃圾焚烧 atmospheric optics tunable diode laser absorption spectroscopy HCl monitoring waste incineration

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摘要

HCl 气体是垃圾焚烧排放的污染气体之一，不仅能够对焚烧设备和监测仪器造成腐蚀，而且会对人体产生危害。对HCl 浓度进行有效在线监测关系到焚烧设备的使用和监测仪器的运行。基于可调谐半导体激光吸收光谱(TDLAS)技术，研发出一种在线监测HCl 浓度的激光气体分析仪。通过实验室测试可知，基于TDLAS 技术的激光气体分析仪线性误差不高于±1% F.S 且具有很好的稳定性指标。该气体分析仪在垃圾焚烧烟气排放处的应用，表明1.742 μm 吸收谱线能够进行HCl 浓度的检测。该分析仪具有不受背景气体交叉干扰、不受粉尘与视窗污染影响、响应速度快以及可靠性高等优点。

Abstract

HCl gas is one of the waste incineration emissions. It does not only corrode the incineration equipment and monitoring instrument, but also harms human health. Effective online monitoring of the HCl gas concentration ensures normal use of the incineration equipment and function of the monitoring instrument. An online HCl concentration analyzer based on tunable diode laser absorption spectroscopy (TDLAS) is presented. The laboratory tests show that the linearity error of the analyzer is not higher than ±1% F.S and the stability of the analyzer is good. The analyzer has been successfully applied to the exhaust vent of a waste incineration equipment for continuous monitoring. The results show that the 1.742 μm absorption spectrum can be used to measure HCl concentration. The analyzer has the advantages of short response time, high reliability and the measurement does not be interfered by background gas, dust and window stains.

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刘立富, 张涵, 温作乐, 蒋嗣航, 于志伟. 基于TDLAS 技术在垃圾焚烧中HCl 的在线监测应用[J]. 激光与光电子学进展, 2015, 52(11): 110101. Liu Lifu, Zhang Han, Wen Zuole, Jiang Sihang, Yu Zhiwei. Application of TDLAS Technique to HCl Online Monitoring in Waste Incineration[J]. Laser & Optoelectronics Progress, 2015, 52(11): 110101.

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