GB/T 40789-2021 English PDF

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GB/T 40789-2021: Gas analysis - Online automated measuring systems for content of carbon monoxide, carbon dioxide and oxygen - Determination of performance characteristics
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Basic data

Standard ID: GB/T 40789-2021 (GB/T40789-2021)
Description (Translated English): Gas analysis - Online automated measuring systems for content of carbon monoxide, carbon dioxide and oxygen - Determination of performance characteristics
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G86
Word Count Estimation: 54,598
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 40789-2021: Gas analysis - Online automated measuring systems for content of carbon monoxide, carbon dioxide and oxygen - Determination of performance characteristics

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Gas analysis - Online automated measuring systems for content of carbon monoxide, carbon dioxide and oxygen - Determination of performance characteristics ICS 71.100.20 CCSG86 National Standards of People's Republic of China Gas analysis carbon monoxide content, carbon dioxide Online automatic measurement system for content and oxygen content Determination of performance characteristics (ISO 12039.2019, Stationarysourceemissions-Determinationofthe Released on 2021-10-11 and implemented on 2022-05-01 State Administration for Market Regulation Issued by the National Standardization Management Committee

Table of contents

Preface Ⅴ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Symbols and abbreviations 3 4.1 Symbol 3 4.2 Abbreviations 3 5 Introduction to automatic measurement system 4 5.1 Sampling and sample gas processing system 4 5.2 Analyzer 4 6 Performance characteristics and judgment indicators 4 6.1 Performance characteristics judgment index 4 6.2 Determination of performance characteristics 5 7 Selection of measurement system 6 7.1 Selection of measurement system 6 7.2 Selection of sampling points 6 8 Quality assurance and quality control procedures 6 8.1 General 6 8.2 Verification and frequency of verification during the period 6 8.3 Calibration, verification and measurement uncertainty 7 9 Measurement report 8 Appendix A (informative) Structural differences between this document and ISO 12039.2019 9 Appendix B (informative) Technical differences between this document and ISO 12039.2019 and their reasons 12 Appendix C (informative) Correction of the description and calculation errors in the ISO 12039.2019 document and their reasons 13 Appendix D (informative) Infrared absorption method (CO content and CO2 content) 15 D.1 Measuring principle based on infrared absorption technology 15 D.2 Introduction to automatic measurement system 18 D.3 Components of the sampling and sample gas processing system 19 Appendix E (informative) Extractable oxygen measurement technology 21 E.1 Measurement principles based on paramagnetic method, zirconia method and electrochemical cell method 21 E.2 Introduction to automatic measurement system 25 Appendix F (Informative) In-situ measurement of CO content, CO2 content and O2 content 26 F.1 The principle of in-situ measurement of CO content, CO2 content and O2 content based on tunable laser spectroscopy (TLS) 26 F.2 In-situ but-through measuring system 26 F.3 Point-type in-situ measurement system 27 Appendix G (Normative) Working Gas 29 G.1 Overview 29 G.2 Zero gas 29 G.3 Span gas 29 G.4 Calibration gas 29 Appendix H (Normative) Performance characteristics measurement method 30 H.1 Overview 30 H.2 Response time 30 H.3 Repeatability of zero and span points 30 H.4 Lack of fit (linearity) 31 H.5 Cross sensitivity 31 H.6 Loss inspection of sampling pipeline and processing system 32 H.7 Leak inspection of sampling pipeline and processing system 32 H.8 Measurement of zero drift and span drift 32 H.9 Periodic measurement of zero drift and span drift 33 H.10 Offset of cross-stack measurement beam in in-situ AMS 33 H.11 Sensitivity to sample gas pressure (pressure change 2kPa) 33 H.12 The influence of sample gas flow rate on withdrawable AMS 34 H.13 Sensitivity to ambient temperature (change 10K within the temperature range specified by the manufacturer) 34 H.14 Sensitivity to voltage 34 Appendix I (Informative) Examples of AMS performance characteristics measurement results for CO content, CO2 content and O2 content measurement 35 I.1 AMS 35 for CO content measurement I.2 AMS 36 for CO2 content measurement I.3 AMS for O2 content measurement 37 Appendix J (Informative) Examples of uncertainty calculation for the determination of AMS performance characteristics of CO content, CO2 content and O2 content measurement J.1 Overview 40 J.2 Uncertainty calculation of AMS performance characteristics for CO content measurement 40 J.3 Uncertainty calculation of AMS performance characteristics for CO2 content measurement 42 J.4 Performance characteristics of AMS using paramagnetic method (magneto-pneumatic and dumbbell) and electrochemical cell method for O2 content measurement Uncertainty calculation 43 J.5 Calculation of uncertainty of measurement of AMS performance characteristics using zirconia (ZrO2) and TLS method for O2 content measurement 45 Appendix K (Normative) Conversion of CO content, CO2 content and O2 content 47 K.1 Conversion of different constituent units 47 K.2 Conversion from wet to dry 47 References 48 Table 1 The performance characteristics and judgment indexes of AMS for the determination of CO content, CO2 content and O2 content 4 Table 2 QA/QC verification items and minimum requirements for verification frequency during operation 7 Table A.1 The comparison between this document and ISO 12039.2019 chapter number 9 Table B.1 List of technical differences between this document and ISO 12039.2019 and their reasons 12 Table C.1 Comparison of this document compared to ISO 12039.2019 and the list of reasons 13 Table H.1 The concentration of interfering substances used in the determination of cross sensitivity 31 Table I.1 Performance characteristics of AMS for CO content measurement using extractive NDIR method and in-situ TLS method 35 Table I.2 Performance characteristics of AMS for CO2 content measurement by extractive NDIR method and in-situ TLS method 36 Table I.3 Performance characteristics of AMS with extraction paramagnetic method (magneto-pneumatic method and dumbbell method) and electrochemical method for O2 content measurement 37 Table I.4 Performance characteristics of AMS for O2 content measurement by extractive zirconia method, in-situ zirconia method and TLS method 38 Table J.1 Uncertainty calculation results of AMS performance characteristics (see Table I.1) for CO content measurement using NDIR and TLS Table J.2 Uncertainty calculation results of AMS performance characteristics (see Table I.2) for CO2 content measurement using NDIR and TLS Table J.3 Performance characteristics of AMS for O2 content measurement using paramagnetic method (magneto-pneumatic and dumbbell) and electrochemical cell method (see Table I.3) Calculation result of uncertainty 44 Table J.4 Uncertainty calculation results of AMS performance characteristics (Table I.4) for O2 content measurement using ZrO2 and TLS method 45 Figure D.1 Schematic diagram of dual-beam NDIR analyzer 15 Figure D.2 Schematic diagram of gas filter related NDIR analyzer 16 Figure D.3 Schematic diagram of cross-modulation NDIR analyzer 17 Figure D.4 Schematic diagram of Fourier transform infrared analyzer 17 Figure D.5 Schematic diagram of cold-dry extraction automatic measurement system 18 Figure D.6 Schematic diagram of thermal and wet heating optical measurement system 19 Figure E.1 Schematic diagram of paramagnetic method (dumbbell type) 21 Figure E.2 Schematic diagram of paramagnetic method (magnetic wind type) 22 Figure E.3 Schematic diagram of paramagnetic method (magneto-pneumatic) 23 Figure E.4 Schematic diagram of zirconia method 24 Figure E.5 Schematic diagram of electrochemical cell method 25 Figure F.1 Schematic diagram of TLS in-situ measurement system 26 Figure F.2 Schematic diagram of TLS in-situ measurement system (point type) 28

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document uses the redrafting law to amend and adopt ISO 12039.2019 ``Carbon monoxide and dioxide in fuel gas emitted by stationary sources The performance characteristics of the automatic measurement system for the determination of the mass concentration of carbon and oxygen". Compared with ISO 12039.2019, this document has more structural adjustments. Appendix A lists this document and ISO 12039.2019. The chapter number comparison list. Compared with ISO 12039.2019, this document has technical differences. The set vertical single line (|) is marked, and a list of the corresponding technical differences and their reasons is given in Appendix B. The following editorial changes have been made to this document. ---Change the name of the file to "Gas Analysis of Carbon Monoxide Content, Carbon Dioxide Content and Oxygen Content Online Automatic Measurement Systematic Determination of performance characteristics"; ---The description and calculation errors in ISO 12039.2019 have been corrected. The corrections and their reasons are given in Appendix C. List; ---Change the response time of the in-situ measurement system in Table I.1, Table I.2 and Table I.4 to 90s; ---Revised references. Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was proposed by the China Petroleum and Chemical Industry Federation. This document is under the jurisdiction of the National Gas Standardization Technical Committee (SAC/TC206). Drafting organizations of this document. Southwest Chemical Research and Design Institute Co., Ltd., Dalian Date Gas Co., Ltd., Jiangsu Xinrui Environmental Monitoring Co., Ltd. Company, Shandong Institute of Non-metallic Materials, Guangdong Huate Gas Co., Ltd., Xi'an Ruiheng Measurement and Control Equipment Co., Ltd., China Testing Certification Group Co., Ltd., Liyang Environmental Monitoring Station, Shenzhen Nuoan Environmental Safety Co., Ltd., Zhejiang Institute of Metrology, Lake Beiheyuan Gas Co., Ltd., Beijing Huayun Analytical Instrument Research Institute Co., Ltd., China Shipbuilding Industry Corporation (Handan) Perui Special Gas Co., Ltd. Company, Hangzhou Oxygen Concentrator Group Co., Ltd., National Quality Supervision and Inspection Center for Air Purification Products and Gas Detection Instruments (Jiangsu) (Suzhou) City Metrology and Testing Institute), Jiangxi Huate Electronic Chemicals Co., Ltd., Meishan Fustar Xinrui Gas Co., Ltd., Shanghai Huaai Chromatographic Analysis Technology Co., Ltd., Tianjin Lianbo Chemical Co., Ltd., Southwest Chemical Research and Design Institute Co., Ltd. Wuhan Branch, Southwest Chemical Research and Design Power Research Institute Co., Ltd. Shuangliu Branch, Shanghai Shennan Special Gas Co., Ltd., Guangdong Power Grid Co., Ltd. Electric Power Research Institute, Shenzhen Supply Electric Power Co., Ltd. The main drafters of this document. Li Fufen, Qu Qing, Ye Ke, Dai Xuan, Xun Qining, Fu Zhuhong, Liu Ke, Zhu Lin, Qing Tian, Xu Yuan, Jiao Chuyi, Tang Qingyun, Zheng Qiuyan, Wang Kai, Geng Yanhong, Cai Jin, Fang Hua, Ye Xiangping, Liao Hengyi, Chen Yanshan, Li Jiaze, Liao Zhengyao, Chen Yali, Fang Aili, Tang Xiamei, Li Wei, Sun Richao, Liu Yonggang, Yu Changqing, Ye Shuquan, Xu Feng, Zhang Wenshen, Liu Xia, Hou Qianqian, Chen Jie, Wu Liang, Tang Feng, Tang Nian, Li Li. Gas analysis carbon monoxide content, carbon dioxide Online automatic measurement system for content and oxygen content Determination of performance characteristics

1 Scope

This document defines the terms, definitions, symbols and abbreviations of the online automatic measurement system (AMS), gives an introduction to AMS, describes Describes the selection method of AMS, establishes the performance characteristics and judgment standards of AMS, quality assurance and quality control procedures, and measurement reports What should be included. This document is applicable to the extraction formula and principle for the determination of carbon monoxide (CO) content, carbon dioxide (CO2) content and oxygen (O2) content in gas. Positional (non-removable) AMS.

2 Normative references

The content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, dated quotations Only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 14850 Gas Analysis Vocabulary (GB/T 14850-2020, ISO 7504.2015, IDT) GB/T 36090 Gas Analysis Online Automatic Measurement System Quality Assurance Guide Conversion of GB/T 40870 gas analysis mixed gas composition data (GB/T 40870-2021, ISO 14912..2003, IDT)

3 Terms and definitions

The following terms and definitions defined in GB/T 14850 and GB/T 36090 apply to this document. 3.1 Parallel measurements The reference method is used to measure two points on the same plane in the same pipeline that are relatively close together with the AMS whose performance characteristics are to be determined. Quantities, provide paired measurement values. 3.2 Measurand to be measured The specific amount to be measured. [Source. ISO /IEC Guide98-3.2008, B.2.9, with modification] 3.3 Referencematerial Pure substances or mixtures with known concentrations and within the specified range, or equipment with known characteristics. Note. Commonly used gas standard materials/standard samples, gas chambers, gratings or filters. [Source. ISO 14385-1.2014, 3.20] ......

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