排放分析仪氮氧转化效率检查方法探讨  

Discussion on inspection method of nitrogen oxygen conversion efficiency of emission analyzer

作　　者：石则强 杨凯酬 曹宁 张继生 拓万航 朱晓轩 柏冬宁 SHI Zeqiang;YANG Kaichou;CAO Ning;ZHANG Jisheng;TA Wanhang;ZHU Xiaoxuan;BAI Dongning(National Automobile Quality Supervision and Test Center(Beijing Tongzhou),Beijing 101103,China;Beijing Beinei Chuangyi Electronic Engine Co.,Ltd.,Beijing 100176,China)

机构地区：[1]中公高远(北京)汽车检测技术有限公司,北京101103 [2]北京北内创意电控发动机有限责任公司,北京100176

出　　处：《工业计量》2023年第4期27-31,共5页Industrial Metrology

摘　　要：文章介绍了化学发光法检测氮氧化物的原理和NO_(x)分析仪的基本气路结构,从氮氧转化效率检查的气路图入手,分析了氮氧转化效率检查各步骤的气体成分,由此得出了氮氧转化效率检查的计算公式并用实例进行了验算,得出了氮氧转化效率的变化趋势,并提出了氮氧转化效率检查的注意事项。The paper introduces principles of the detection of nitrogen oxygenby chemiluminescent meth⁃od and basic gas circuit structures of NO_(x) analyzer.Starting fromthe gas circuit diagram of nitrogen oxy⁃gen conversion efficiency inspection,gas composition of each step of the inspection is analyzed.The cal⁃culation formula of nitrogen oxygen conversion efficiency inspection is obtained.Also,the verification is performance with an example.The variation trend of nitrogen oxygen conversion efficiency is obtained,and precautionsfor nitrogen oxygen conversion efficiency inspection are proposed.

关 键 词：排放分析仪 氮氧转化效率 化学发光法检测器 臭氧发生器 

分 类 号：X831[环境科学与工程—环境工程]