化工进展

• 应用技术 • 上一篇    

利用热导检测器实时检测混合气体组分含量的方法及装置

费广平,李瑞军,解东来,乔伟艳   

  1. 华南理工大学传热强化与过程节能教育部重点实验室
  • 出版日期:2009-12-05 发布日期:2009-12-05

Method and apparatus for real-time gas concentration detection in gas mixture

FEI Guangping,LI Ruijun,XIE Donglai,QIAO Weiyan   

  1. MOE Key Laboratory of Enhanced Heat Transfer & Energy ConservationSouth China University of Technology
  • Online:2009-12-05 Published:2009-12-05

摘要: 化工生产过程中,经常需要对混合气体中某一组分的含量进行实时检测。本文提出了一种利用热导检测器实时检测混合气体中某一组分浓度变化的方法及装置,详细介绍了该新型检测系统的原理、构造和使用方法。采用该装置对某流化床冷态模型中示踪气体的浓度进行了检测验证,实验结果表明,该套装置操作简单,通用性强,准确度较高。

Abstract: A real-time dynamic detection method and apparatus for measuring the concentration of a certain component in gas mixture has been developed to meet the demand in chemical production process. The principlesstructure and calibration method of the equipment are described in details. The apparatus has been successfully examined in the dynamic monitoring of the tracer gas concentration in a fluidized bed cold modeland the experimental results proved that the apparatus has features like easy operationgeneralized application and high accuracy.

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