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HJ 75-2017: Specifications for continuous emissions monitoring of SO2, NOX, and particulate matter in the flue gas emitted from stationary sources Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid HJ 75: Historical versions
HJ 75-2017: Specifications for continuous emissions monitoring of SO2, NOX, and particulate matter in the flue gas emitted from stationary sources---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/HJ75-2017 HJ ENVIRONMENTAL PROTECTION STANDARD Replacing HJ/T 75-2007 Specifications for continuous emissions monitoring of SO2, NOX, and particulate matter in the flue gas emitted from stationary sources Issued on. DECEMBER 29, 2017 Implemented on. MARCH 01, 2018 Issued by. Ministry of Environmental Protection Table of ContentsForeword... 4 1 Scope... 6 2 Normative references... 6 3 Terms and definitions... 7 4 Composition and functional requirements of the continuous monitoring system of flue gas emissions from stationary pollution sources... 10 5 Technical performance requirements for continuous monitoring system of flue gas emissions from stationary pollution sources... 10 6 Requirements for monitoring station of continuous monitoring system of flue gas emissions from stationary pollution sources... 10 7 Installation requirements for the continuous monitoring system for flue gas emissions from stationary pollution sources... 11 8 Technical indicator performance testing of the continuous monitoring system for flue gas emissions from stationary pollution sources... 18 9 Technical acceptance of continuous monitoring system for flue gas emissions from stationary pollution sources... 19 10 Daily operation and management requirements for the continuous monitoring system of flue gas emissions from stationary pollution sources... 29 11 Quality assurance requirements for daily operation of continuous monitoring systems for flue gas emissions from stationary pollution sources... 30 12 Data review and processing of the continuous monitoring system for flue gas emissions from stationary pollution sources... 34 Appendix A (Normative) Main technical indicators performance testing methods of continuous monitoring system for flue gas emissions from stationary pollution sources ... 37 Appendix B (Informative) Analysis and processing methods for technical indicator performance testing results of continuous monitoring system for flue gas emissions from stationary pollution sources... 53 Appendix C (Normative) Calculation method of output parameters of the continuous monitoring system for flue gas emissions from stationary pollution sources... 56 Appendix D (Informative) Original record table of installation, performance testing of continuous monitoring system for flue gas emissions from stationary pollution sources ... 63 Appendix E (Informative) Commissioning and testing report of continuous monitoring system for flue gas emissions from stationary pollution sources... 75 Appendix F (Informative) Acceptance report on technical indicators of continuous monitoring system for flue gas emissions from stationary pollution sources... 78 Appendix G (Informative) Original record sheet for daily inspection, calibration, maintenance of continuous monitoring system for flue gas emissions from stationary pollution sources... 80 Appendix H (Normative) Requirements for data acquisition, processing, transmission system of continuous monitoring system for flue gas emissions from stationary pollution sources... 921 ScopeThis standard specifies the composition and functions, technical performance, monitoring station, installation, technical index commissioning and testing, technical acceptance, daily operation management, daily operation quality assurance, data review and processing requirements of the continuous monitoring system for flue gas emissions from stationary pollution sources, including gaseous pollutants (SO2, NOX), particulate matter emissions, as well as related flue gas parameters (oxygen content, etc.). This standard applies to the continuous monitoring system for flue gas (SO2, NOX, particulate matter) emissions from stationary pollution sources such as thermal power plant boilers, industrial/civilian boilers, industrial furnaces that use solid or liquid as fuel or raw materials. The continuous monitoring system for flue gas (SO2, NOX, particulate matter) emissions from domestic waste incinerators, hazardous waste incinerators, stationary pollution sources, that use gas as fuel or raw materials, can refer to this standard for implementation. Before the corresponding standards for continuous monitoring systems for flue gas pollutant emissions are officially promulgated and implemented, they can refer to this standard for implementation.2 Normative referencesThe content of this standard refers to the following documents or clauses therein. For any undated referenced documents, the latest version shall apply to this standard. GB 4208 Degrees of protection provided by enclosure (IP code) GB 50057 Code for design protection of structures against lightning GB 50093 Code for construction and quality acceptance of automation instrumentation engineering GB 50168 Standard for construction and acceptance of cable line electric equipment installation engineering GB/T 16157 The determination of particulates and sampling methods of gaseous pollutants emitted from exhaust gas of stationary source3 Terms and definitions3.1 Continuous emission monitoring, CEM Continuous and real-time automatic monitoring of the emission concentration and emission of particulate matter and (or) gaseous pollutants, as emitted by stationary pollution sources, referred to as CEM. 3.5 Valid data The data measured by the normal operation of CEMS under the condition of flue gas emission from stationary pollution sources, which meets the technical indicators of this standard and has passed the acceptance. 3.6 Valid hourly average The arithmetic mean of valid data of not less than 45 minutes within 1 whole hour. 3.7 Reference method A standard method published by a country or industry for comparison with CEMS measurement results. 3.8 Checkout/verification The process of comparing the relative accuracy, correlation coefficient, confidence interval, allowable interval, relative error, absolute error, etc. of the test results of CEMS (including sampling system and analysis system) using a reference method. 3.9 Performance testing The calibration and verification of CEMS before technical acceptance after the installation, initial adjustment, normal continuous operation of CEMS for at least 168 hours. 3.10 Comparison testing The accuracy of a normally operating CEMS is randomly checked using a reference method.4 Composition and functional requirements of the continuous monitoring system of flue gas emissions from stationary pollution sourcesCEMS consists of a particulate matter monitoring unit and (or) a gaseous pollutant monitoring unit, a flue gas parameter monitoring unit, a data acquisition and processing unit.5 Technical performance requirements for continuous monitoring system of flue gas emissions from stationary pollution sourcesMeet the relevant requirements of HJ 76.6 Requirements for monitoring station of continuous monitoring system of flue gas emissions from stationary pollution sources6.1 An independent station shall be provided for outdoor CEMS; the distance between the monitoring station and the sampling point shall be as close as possible, in principle not exceeding 70 m. 6.3 Air conditioning and heating equipment shall be installed in the monitoring station room; the indoor temperature shall be maintained at (15 ~ 30) °C; the relative humidity shall be ≤ 60%; the air conditioner shall have the function of automatic restart when a call is received; exhaust fans or other ventilation facilities shall be installed in the station room. 6.4 The power distribution power in the monitoring station room can meet the actual requirements of the instrument; the power is not less than 8 kW; at least 5 three-hole sockets, 1 voltage-stabilizing power supply, 1 UPS power supply are reserved. 6.5 The monitoring station room shall be equipped with certified standard gases of different concentrations; 6.6 The monitoring station room shall have necessary waterproof, moisture-proof, heat- insulating and thermal insulation measures; it shall also have explosion-proof functions in specific occasions. 6.7 The monitoring station room shall have communication conditions that can meet the data transmission requirements of CEMS.7 Installation requirements for the continuous monitoring system for flue gas emissions from stationary pollution sources7.1 Installation location requirements 7.1.1 General requirements 7.1.1.1 Located downstream of the emission control equipment for stationary pollution sources and upstream of the comparison monitoring section; 7.1.1.5 The installation location shall not leak air; 7.1.1.6 A waterproof low-voltage distribution box shall be set up in the working area where CEMS is installed, with a leakage protector and no less than two 10 A sockets to ensure the power required by the monitoring equipment; 7.1.1.7 The sampling platform and sampling holes shall be arranged reasonably; 7.1.2 Specific requirements 7.1.2.1 The vertical pipe section and the negative pressure area of the flue shall be preferred to ensure the representativeness of the collected samples. 7.1.2.3 For newly built emission sources, the sampling platform shall be designed and constructed simultaneously with the exhaust device, to ensure that the sampling section meets the requirements of 7.1.2.2 of this standard. For existing emission sources, when it is impossible to find a sampling position that meets 7.1.2.2, the CEMS sampling or 7.2.4 The design drawings shall comply with the provisions of technical drawings, mechanical drawings, electrical drawings, building structure drawings and other standards. 7.2.5 The cleaning, inspection, maintenance of the equipment before installation shall meet the following requirements.8 Technical indicator performance testing of the continuous monitoring system for flue gas emissions from stationary pollution sourcesAfter the CEMS is installed and operated on site, before acceptance, the technical performance indicators shall be debugged and tested. The technical indicators of performance testing include.9 Technical acceptance of continuous monitoring system for flue gas emissions from stationary pollution sources9.1 General requirements After the installation, performance testing of CEMS are completed and the network is connected to the competent department, technical acceptance shall be carried out, including CEMS technical indicator acceptance and network acceptance. 9.2 Technical acceptance conditions After the installation, performance testing of CEMS are completed and the following requirements are met, technical acceptance work can be organized and implemented. 9.3 Acceptance of CEMS technical indicators 9.3.1 General requirements 9.3.1.1 The acceptance of CEMS technical indicators includes the acceptance of particulate matter CEMS, gaseous pollutant CEMS, flue gas parameter CMS technical indicators. 9.3.1.5 Certified standard materials or standard samples must be used for on-site acceptance. Standard gases with lower concentrations can be obtained by using high- concentration standard gases by proportional dilution method. The precision of the proportional dilution device is within 1%. Standard gases are required to be stored in aluminum or stainless steel bottles with an uncertainty of no more than ±2%. 9.3.3 Technical indicators acceptance of CEMS for gaseous pollutants and CMS for oxygen 9.3.3.1 Acceptance content The technical indicators acceptance of CEMS for gaseous pollutants and CMS for oxygen includes zero drift, span drift, indication error, system response time, accuracy acceptance. During the on-site acceptance, the indication error and system response time acceptance test shall be conducted first. If the acceptance does not meet the technical requirements, the acceptance of other items may not be continued. HJ ENVIRONMENTAL PROTECTION STANDARD Replacing HJ/T 75-2007 Specifications for continuous emissions monitoring of SO2, NOX, and particulate matter in the flue gas emitted from stationary sources Issued on. DECEMBER 29, 2017 Implemented on. MARCH 01, 2018 Issued by. Ministry of Environmental ProtectionTable of ContentsForeword... 4 1 Scope... 6 2 Normative references... 6 3 Terms and definitions... 7 4 Composition and functional requirements of the continuous monitoring system of flue gas emissions from stationary pollution sources... 10 5 Technical performance requirements for continuous monitoring system of flue gas emissions from stationary pollution sources... 10 6 Requirements for monitoring station of continuous monitoring system of flue gas emissions from stationary pollution sources... 10 7 Installation requirements for the continuous monitoring system for flue gas emissions from stationary pollution sources... 11 8 Technical indicator performance testing of the continuous monitoring system for flue gas emissions from stationary pollution sources... 18 9 Technical acceptance of continuous monitoring system for flue gas emissions from stationary pollution sources... 19 10 Daily operation and management requirements for the continuous monitoring system of flue gas emissions from stationary pollution sources... 29 11 Quality assurance requirements for daily operation of continuous monitoring systems for flue gas emissions from stationary pollution sources... 30 12 Data review and processing of the continuous monitoring system for flue gas emissions from stationary pollution sources... 34 Appendix A (Normative) Main technical indicators performance testing methods of continuous monitoring system for flue gas emissions from stationary pollution sources ... 37 Appendix B (Informative) Analysis and processing methods for technical indicator performance testing results of continuous monitoring system for flue gas emissions from stationary pollution sources... 53 Appendix C (Normative) Calculation method of output parameters of the continuous monitoring system for flue gas emissions from stationary pollution sources... 56 Appendix D (Informative) Original record table of installation, performance testing of continuous monitoring system for flue gas emissions from stationary pollution sources ... 63 Appendix E (Informative) Commissioning and testing report of continuous monitoring system for flue gas emissions from stationary pollution sources... 75 Appendix F (Informative) Acceptance report on technical indicators of continuous monitoring system for flue gas emissions from stationary pollution sources... 78 Appendix G (Informative) Original record sheet for daily inspection, calibration, maintenance of continuous monitoring system for flue gas emissions from stationary pollution sources... 80 Appendix H (Normative) Requirements for data acquisition, processing, transmission system of continuous monitoring system for flue gas emissions from stationary pollution sources... 921 ScopeThis standard specifies the composition and functions, technical performance, monitoring station, installation, technical index commissioning and testing, technical acceptance, daily operation management, daily operation quality assurance, data review and processing requirements of the continuous monitoring system for flue gas emissions from stationary pollution sources, including gaseous pollutants (SO2, NOX), particulate matter emissions, as well as related flue gas parameters (oxygen content, etc.). This standard applies to the continuous monitoring system for flue gas (SO2, NOX, particulate matter) emissions from stationary pollution sources such as thermal power plant boilers, industrial/civilian boilers, industrial furnaces that use solid or liquid as fuel or raw materials. The continuous monitoring system for flue gas (SO2, NOX, particulate matter) emissions from domestic waste incinerators, hazardous waste incinerators, stationary pollution sources, that use gas as fuel or raw materials, can refer to this standard for implementation. Before the corresponding standards for continuous monitoring systems for flue gas pollutant emissions are officially promulgated and implemented, they can refer to this standard for implementation.2 Normative referencesThe content of this standard refers to the following documents or clauses therein. For any undated referenced documents, the latest version shall apply to this standard. GB 4208 Degrees of protection provided by enclosure (IP code) GB 50057 Code for design protection of structures against lightning GB 50093 Code for construction and quality acceptance of automation instrumentation engineering GB 50168 Standard for construction and acceptance of cable line electric equipment installation engineering GB/T 16157 The determination of particulates and sampling methods of gaseous pollutants emitted from exhaust gas of stationary source3 Terms and definitions3.1 Continuous emission monitoring, CEM Continuous and real-time automatic monitoring of the emission concentration and emission of particulate matter and (or) gaseous pollutants, as emitted by stationary pollution sources, referred to as CEM. 3.5 Valid data The data measured by the normal operation of CEMS under the condition of flue gas emission from stationary pollution sources, which meets the technical indicators of this standard and has passed the acceptance. 3.6 Valid hourly average The arithmetic mean of valid data of not less than 45 minutes within 1 whole hour. 3.7 Reference method A standard method published by a country or industry for comparison with CEMS measurement results. 3.8 Checkout/verification The process of comparing the relative accuracy, correlation coefficient, confidence interval, allowable interval, relative error, absolute error, etc. of the test results of CEMS (including sampling system and analysis system) using a reference method. 3.9 Performance testing The calibration and verification of CEMS before technical acceptance after the installation, initial adjustment, normal continuous operation of CEMS for at least 168 hours. 3.10 Comparison testing The accuracy of a normally operating CEMS is randomly checked using a reference method.4 Composition and functional requirements of the continuous monitoring system of flue gas emissions from stationary pollution sourcesCEMS consists of a particulate matter monitoring unit and (or) a gaseous pollutant monitoring unit, a flue gas parameter monitoring unit, a data acquisition and processing unit.5 Technical performance requirements for continuous monitoring system of flue gas emissions from stationary pollution sourcesMeet the relevant requirements of HJ 76.6 Requirements for monitoring station of continuous monitoring system of flue gas emissions from stationary pollution sources6.1 An independent station shall be provided for outdoor CEMS; the distance between the monitoring station and the sampling point shall be as close as possible, in principle not exceeding 70 m. 6.3 Air conditioning and heating equipment shall be installed in the monitoring station room; the indoor temperature shall be maintained at (15 ~ 30) °C; the relative humidity shall be ≤ 60%; the air conditioner shall have the function of automatic restart when a call is received; exhaust fans or other ventilation facilities shall be installed in the station room. 6.4 The power distribution power in the monitoring station room can meet the actual requirements of the instrument; the power is not less than 8 kW; at least 5 three-hole sockets, 1 voltage-stabilizing power supply, 1 UPS power supply are reserved. 6.5 The monitoring station room shall be equipped with certified standard gases of different concentrations; 6.6 The monitoring station room shall have necessary waterproof, moisture-proof, heat- insulating and thermal insulation measures; it shall also have explosion-proof functions in specific occasions. 6.7 The monitoring station room shall have communication conditions that can meet the data transmission requirements of CEMS.7 Installation requirements for the continuous monitoring system for flue gas emissions from stationary pollution sources7.1 Installation location requirements 7.1.1 General requirements 7.1.1.1 Located downstream of the emission control equipment for stationary pollution sources and upstream of the comparison monitoring section; 7.1.1.5 The installation location shall not leak air; 7.1.1.6 A waterproof low-voltage distribution box shall be set up in the working area where CEMS is installed, with a leakage protector and no less than two 10 A sockets to ensure the power required by the monitoring equipment; 7.1.1.7 The sampling platform and sampling holes shall be arranged reasonably; 7.1.2 Specific requirements 7.1.2.1 The vertical pipe section and the negative pressure area of the flue shall be preferred to ensure the representativeness of the collected samples. 7.1.2.3 For newly built emission sources, the sampling platform shall be designed and constructed simultaneously with the exhaust device, to ensure that the sampling section meets the requirements of 7.1.2.2 of this standard. For existing emission sources, when it is impossible to find a sampling position that meets 7.1.2.2, the CEMS sampling or 7.2.4 The design drawings shall comply with the provisions of technical drawings, mechanical drawings, electrical drawings, building structure drawings and other standards. 7.2.5 The cleaning, inspection, maintenance of the equipment before installation shall meet the following requirements.8 Technical indicator performance testing of the continuous monitoring system for flue gas emissions from stationary pollution sourcesAfter the CEMS is installed and operated on site, before acceptance, the technical performance indicators shall be debugged and tested. The technical indicators of performance testing include.9 Technical acceptance of continuous monitoring system for flue gas emissions from stationary pollution sources9.1 General requirements After the installation, performance testing of CEMS are completed and the network is connected to the competent department, technical acceptance shall be carried out, including CEMS technical indicator acceptance and network acceptance. 9.2 Technical acceptance conditions After the installation, performance testing of CEMS are completed and the following requirements are met, technical acceptance work can be organized and implemented. 9.3 Acceptance of CEMS technical indicators 9.3.1 General requirements 9.3.1.1 The acceptance of CEMS technical indicators includes the acceptance of particulate matter CEMS, gaseous pollutant CEMS, flue gas parameter CMS technical indicators. 9.3.1.5 Certified standard materials or standard samples must be used for on-site acceptance. Standard gases with lower concentrations can be obtained by using high- concentration standard gases by proportional dilution method. The precision of the proportional dilution device is within 1%. Standard gases are required to be stored in aluminum or stainless steel bottles with an uncertainty of no more than ±2%. 9.3.3 Technical indicators acceptance of CEMS for gaseous pollutants and CMS for oxygen 9.3.3.1 Acceptance content The technical indicators acceptance of CEMS for gaseous pollutants and CMS for oxygen includes zero drift, span drift, indication error, system response time, accuracy acceptance. During the on-site acceptance, the indication error and system response time acceptance test shall be conducted first. If the acceptance does not meet the technical requirements, the acceptance of other items may not be continued. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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