| 激光在线气体分析仪的应用 |
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| 引用本文： | 邓文平,俞大海,李鹰,顾海涛,陈英斌,王健. 激光在线气体分析仪的应用[J]. 石油化工自动化, 2012, 48(2): 60-65 |
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| 作者姓名： | 邓文平 俞大海 李鹰 顾海涛 陈英斌 王健 |
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| 作者单位： | 聚光科技（杭州）股份有限公司,杭州,310052 |
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| 摘 要： | 针对传统流程工业中气体分析技术的一些不足，开发了激光气体分析仪系列产品，并在流程工业中获得应用，表现出明显的技术优势。介绍了可调谐半导体激光吸收光谱（TDLAS）气体分析技术的原理，以及为提高检测灵敏度所采用的调制技术和相敏检测技术，与传统在线气体分析技术进行比较，最后以催化裂化、乙烯烧焦、过程微量水、天然气中Hzs等领域的气体检测为例说明了该技术在流程工业中的应用。
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| 关 键 词： | 激光 在线气体分析 流程工业 |
Application of Online Laser Gas Analyzer |
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| Deng Wenping,Yu Dahai,Li Ying,Gu Haitao,Chen Yingbin,Wang Jian. Application of Online Laser Gas Analyzer[J]. Automation in Petro-chemical Industry, 2012, 48(2): 60-65 |
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| Authors: | Deng Wenping Yu Dahai Li Ying Gu Haitao Chen Yingbin Wang Jian |
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| Affiliation: | (Focused Photonics(Hangzhou) Inc.,Hangzhou,310052,China) |
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| Abstract: | Contrapose to the defects of traditional gas analysis technologies in process industry,a series of laser gas analyzers have been developed.The principle of gas analysis technology based on tunable diode laser absorption spectroscopy(TDLAS),technologies of wavelength modulation and phase-sensitive detection for improving detection sensitivity are introduced.Comparison with traditional gas analysis technologies is conducted.Gas detection in catalytic cracking,tail gas detection in ethylene scorching,trace moisture in process and H2S in natural gas are presented to illustrate its applications in process industry. |
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| Keywords: | laser on-line gas analyzer process industry |
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