| VOCs在线监测系统多点自动校准开发与应用 |
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| 引用本文： | 孟祥娥,王雷,郭文韬,李瑞超,胡少成,孟继荣. VOCs在线监测系统多点自动校准开发与应用[J]. 分析仪器, 2021, 0(1): 19-22 |
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| 作者姓名： | 孟祥娥 王雷 郭文韬 李瑞超 胡少成 孟继荣 |
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| 作者单位： | 钢研纳克检测技术股份有限公司,北京 100081;钢研纳克检测技术股份有限公司,北京 100081;钢研纳克检测技术股份有限公司,北京 100081;钢研纳克检测技术股份有限公司,北京 100081;钢研纳克检测技术股份有限公司,北京 100081;钢研纳克检测技术股份有限公司,北京 100081 |
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| 基金项目： | 燃煤过程有机污染物排放控制技术国家重点研发计划(No.2018YFB0605200)。 |
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| 摘 要： | 随着VOCs在线监测系统的广泛应用,环保部门加强了对监测系统的运维要求,提出了系统自动校准功能的明确需求。本文介绍了用于VOCs在线监测系统的多点自动校准,实现了在应用现场标气浓度自动配比、标气预警以及自动完成定期单点、多点校准功能。通过实际检测,多点自动校准系统的标气浓度配比稳定性高,系统监测标气测量值与实际值的示值误差为0.1mg/m 3,准确度为0.08%,自动校准后的系统24小时、48小时、72小时的数据线性度R 2大于0.9996。本方法在工程应用中有实用性。
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| 关 键 词： | VOCs 在线监测 多点自动校准 |
Development and application of multi-point automatic calibration software module for VOCs on-line monitoring system |
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| Meng Xiang’e,Wang Lei,Guo Wentao,Li Ruichao,Hu Shaocheng,Meng Jirong. Development and application of multi-point automatic calibration software module for VOCs on-line monitoring system[J]. Analytical Instrumentation, 2021, 0(1): 19-22 |
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| Authors: | Meng Xiang’e Wang Lei Guo Wentao Li Ruichao Hu Shaocheng Meng Jirong |
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| Affiliation: | (NCS Testing Technology Co.,Ltd.,Beijing 100081,China) |
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| Abstract: | The use of multi-point automatic calibration software module realizes the functions of automatic matching of standard gas concentration,standard gas warning,periodic single point and multi-point calibration in field application.Experimental results show that the system with multi-point automatic calibration module has high stability of standard gas concentration ratio,the error between the measured value of the standard gas and the actual value is 0.006mg/m 3,the accuracy is 0.08%.After automatic calibration,the linearity R 2 of multi-point data in 24,48 and 72 hours of the system is greater than or equal to 0.9996.This technology has practicability in engineering application. |
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| Keywords: | VOCs On-line monitoring Multi-point automatic calibration |
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