基于TDLAS技术的在线多组分气体浓度检测系统
发布时间：2019-06-13 12:56
【摘要】：为了提高环境气体监测精度,降低设备维护成本需求,设计了一种多组分气体同时或近同时在线检测系统。该系统基于TDLAS技术采用DFB可调谐激光测量气体浓度,能够实现760 nm O_2和2 326 nm CO混合气体同时在线监测。设计发射单元、接收单元等模块,分析TDLAS可调谐激光检测、PID温度控制、锁相检测原理。结合火电厂烟道氧量浓度测试,对系统进行了验证。实验结果表明:与传统的工业气体测量装置相比,该系统能获得更高的精度、更快的响应速度以及良好的稳定性,适应恶劣环境能力强,具有较好的实用性及可行性。
[Abstract]:In order to improve the accuracy of environmental gas monitoring and reduce the cost of equipment maintenance, a multi-component gas online detection system at the same time or near the same time is designed. Based on TDLAS technology, the DFB tunable laser is used to measure the gas concentration, which can realize the simultaneous on-line monitoring of 760 nm O 鈮，
本文编号：2498543
[Abstract]:In order to improve the accuracy of environmental gas monitoring and reduce the cost of equipment maintenance, a multi-component gas online detection system at the same time or near the same time is designed. Based on TDLAS technology, the DFB tunable laser is used to measure the gas concentration, which can realize the simultaneous on-line monitoring of 760 nm O 鈮，
本文编号：2498543
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