引用本文:仇石,刘光逊,关胜.便携式非分散红外烟气仪在高湿低硫锅炉烟气监测中的干扰和对策[J].环境监控与预警,2015,7(3):14-16
QIU Shi,LIU Guang xun,GUAN Sheng.Countermeasures against Interferences in Monitoring of Boiler Flue Gas of High Humidity and Low Sulfur Using a Portable Non Dispersive Infrared Gas Analyzer[J].Environmental Monitoring and Forewarning,2015,7(3):14-16
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便携式非分散红外烟气仪在高湿低硫锅炉烟气监测中的干扰和对策
仇石,刘光逊,关胜
天津经济技术开发区环境保护监测站,天津 300457
摘要:
简述了便携式非分散红外烟气分析仪在高湿低硫锅炉烟气监测中,存在采样流量、现场温度以及预处理装置反吹等方面的干扰因素。提出了在锅炉烟气监测中可采取控制采样流量、延长仪器预热时间、反吹预处理装置等措施,消除干扰,保证烟气监测的稳定准确。
关键词:  非分散红外烟气分析仪  采样流量  现场温度  预处理装置
DOI:
分类号:O433.5;X831
基金项目:
Countermeasures against Interferences in Monitoring of Boiler Flue Gas of High Humidity and Low Sulfur Using a Portable Non Dispersive Infrared Gas Analyzer
QIU Shi,LIU Guang xun,GUAN Sheng
Tianjin Economic Technological Development Area Environmental Protection Monitoring Station,Tianjin 300457,China
Abstract:
The interferences from sampling flow,in situ temperature,and the back flushing of pretreatment device were discussed in monitoring the flue gas of high humidity and low sulfur dioxide using a portable non dispersive infrared gas analyzer. Based on the laboratory and field tests,countermeasures were explored to eliminate these interferences,including controlling the sampling flow,extending preheating of the equipment,and flushing the pretreatment device back,ensuring the stability and accuracy of the flue gas monitoring.
Key words:  Non dispersive infrared gas analyzer  Sampling flow  In situ temperature  Pretreatment device