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HJ 1013-2018 PDF EnglishSearch result: HJ 1013-2018_English: PDF (HJ1013-2018)
HJ1013-2018: PDF in EnglishHJ 1013-2018 HJ ENVIRONMENTAL PROTECTION STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA Specifications and test procedures for nonmethane hydrocarbons continuous emission monitoring system in stationary sources ISSUED ON: DECEMBER 29, 2018 IMPLEMENTED ON: JULY 01, 2019 Issued by: Ministry of Ecological Environment Table of Contents Foreword ... 3 1 Scope ... 4 2 Normative references ... 4 3 Terms and definitions ... 4 4 System composition and structure ... 5 5 Technical requirements ... 7 6 Performance indicators ... 11 7 Testing method ... 13 8 Quality assurance ... 27 9 Testing items ... 30 Appendix A (Normative) NMHC-CEMS daily report, monthly report, annual report ... 33 Appendix B (Informative) Original record of laboratory testing and on-site testing ... 38 Appendix C (Normative) Calculation of conversion of volume concentration to mass concentration in carbon ... 47 Specifications and test procedures for nonmethane hydrocarbons continuous emission monitoring system in stationary sources 1 Scope This standard specifies the composition structure, technical requirements, performance indicators, detection methods of nonmethane hydrocarbons continuous emission monitoring system in stationary sources. This standard applies to the design, production, testing of nonmethane hydrocarbons continuous emission monitoring system in stationary sources. 2 Normative references This standard refers to the following documents or their clauses. For undated reference documents, their valid versions are applicable to this standard. GB 3836.1 Explosive atmospheres - Part 1: Equipment - General requirements GB/T 4208 Degrees of protection provided by enclosure (IP code) GB/T 16157 The determination of particulates and sampling methods of gaseous pollutants emitted from exhaust gas of stationary source HJ 38 Stationary source emission - Determination of total hydrocarbons, methane and nonmethane hydrocarbons - Gas chromatography HJ 75 Specifications for continuous emissions monitoring of SO2, NOX, and particulate matter in the flue gas emitted from stationary sources HJ 76 Specifications and test procedures for continuous emission monitoring system for SO2, NOX and particulate matter in flue gas emitted from stationary 3 Terms and definitions The following terms and definitions apply to this standard. 3.1 5.1.1 NMHC-CEMS shall have a product nameplate. The nameplate shall be marked with product name, model, manufacturer, exit-factory number, manufacturing date, power supply specifications, main parameter span, etc. 5.1.2 The surface of NMHC-CEMS shall be intact, without obvious defects; all parts and components shall be connected reliably; operating keys and buttons shall be flexible to use; positioning shall be accurate. 5.1.3 The panel of the NMHC-CEMS host is clearly displayed; the color is firm; the characters and markings are easy to identify; there shall be no defects, which affect the reading. 5.1.4 The shell or outer cover of the outdoor parts of NMHC-CEMS shall at least meet the requirements of IP55 protection level in GB/T 4208. 5.2 Working conditions NMHC-CEMS shall work normally under the following conditions: a) Indoor ambient temperature: (15 ~ 35) °C; outdoor ambient temperature: (-20 ~ 50) °C; b) Relative humidity: ≤ 85%; c) Atmospheric pressure: (80 ~ 106) kPa; d) Power supply voltage: AC (220 ± 22) V, (50 ± 1) Hz. Note: Under special environmental conditions, the configuration of system equipment shall meet the requirements of local environmental conditions. 5.3 Safety requirements 5.3.1 Insulation resistance When the ambient temperature is (15 ~ 35) °C and the relative humidity is ≤ 85%, the insulation resistance of the system power terminal to the ground or the chassis is not less than 20 MΩ. 5.3.2 Insulation strength When the ambient temperature is (15 ~ 35) °C and the relative humidity is ≤ 85%, the system shall last for 1 min, under 1500 V (effective value), 50 Hz sine wave test voltage; there shall be no breakdown or arcing. 5.3.3 The system shall have a leakage protection device and good grounding measures, to prevent damage to the system, which is caused by lightning strikes. 5.3.4 Installation and users shall establish effective safety measures, to prevent the leakage of flammable, explosive, toxic, harmful gases; prevent other safety risks. If the equipment installation environment has explosion-proof requirements, it must be implemented, in accordance with the relevant requirements in GB 3836.1. 5.4 Functional requirements 5.4.1 Requirements for sample collection and transmission devices 5.4.1.1 The sample collection and transmission device shall select the materials, which are resistant to high temperature, corrosion, non-absorptive, non-reactive with the pollutants under test; meanwhile, it shall not affect the normal measurement of the pollutants under test. 5.4.1.2 The sample collection device shall have the functions of heating, heat preservation, backflushing purification. The heating shall be uniform and stable. The heating temperature shall be ensured to be above 120 °C, or 20 °C higher than the flue gas temperature, whichever is higher. The heating temperature value shall be able to be displayed and queried, in the cabinet or system software. 5.4.1.3 The sample collection device shall have a particulate filtering function. The front or back end of the sampling equipment shall be equipped with a particulate filter, which is easy to replace or clean. The filter shall be able to filter particles, which has a particle size of at least 5 μm. 5.4.1.4 The sample transfer pipeline shall have the functions of stable and uniform heating and heat preservation. The heating temperature shall be ensured to be above 120 °C, or 20 °C higher than the flue gas temperature, whichever is higher. The heating temperature value shall be able to be displayed and queried, in the cabinet or system software. 5.4.1.5 There shall be at least two gas transmission pipes, in the sample transmission pipeline, one is used for collection and transmission of sample gas, whilst the other is used for full process calibration of calibration gas. The system's sample collection and transmission device shall meet the requirements for completing the functions of calibrating the complete system. 5.4.1.6 The sampling pump shall have sufficient suction capacity, to overcome the negative pressure of the flue; ensure that the sampling flow is accurate, reliable, and relatively stable. 5.4.2 Pretreatment equipment 5.4.2.1 The pretreatment equipment and its components shall be easy to clean and replace. It shall be made of materials, which do not absorb and do not react instruments. 5.4.5.3 The exhaust gas discharge pipeline of the system shall be laid in a standard manner. It shall not be placed randomly. 5.4.5.4 The tail gas discharge device of the system shall be able to ensure that the moisture in the exhaust gas does not condense, accumulate or even freeze, causing blockage of the tail gas discharge pipeline and poor exhaust. If necessary, it shall be equipped with heating or trace-heating devices, gas-liquid separation devices, etc. 5.4.5.5 The system shall be equipped with a regular automatic back-flushing device, according to the actual needs of the site, to regularly back-flush other measuring parts, such as the sample collection device, to avoid blockage caused by accumulation of particles. 5.4.5.6 The zero air pretreatment device shall have the functions of dust removal, water removal, oil removal, hydrocarbon removal. The generated zero air shall meet the requirements of 7.1.2.2. 5.4.5.7 The internal gas pipelines, circuits, data transmission lines inside the system shall be laid in a standardized manner. The pipelines of the same type shall be assembled and set as centralized as possible. Different types of pipelines OR pipelines of different functions and directions shall be distinguished by clear markings. Various wiring shall be safe and reasonable, AND easy to find, maintain, repair. 5.4.6 Requirements of calibration function 5.4.6.1 The system shall be able to be calibrated manually and/or automatically. 5.4.6.2 For the system, which adopts the extraction measurement method, it shall have a fixed and easy-to-operate calibration gas full-system calibration function. 6 Performance indicators 6.1 Laboratory testing 6.1.1 Analysis cycle System analysis cycle: ≤ 2 min. 6.1.2 Instrument detection limit The detection limit of the system: ≤ 0.8 mg/m3. For devices that use catalytic oxidation technology to oxidize gaseous organic compounds other than methane, the conversion efficiency shall not be less than 95%. 6.1.12 Parallelism The relative standard deviation of the displayed value of the same standard sample, which is measured by three systems (sets), is not more than 5%. 6.2 On-site detection of pollutant discharge 6.2.1 Analysis cycle System analysis cycle: ≤ 3 min. 6.2.2 24h drift 24 h zero drift and span drift: Not more than ± 3% of full scale. 6.2.3 Accuracy When using the reference method to make measurement, the average concentration of the non-methane hydrocarbon is: a) When < 50 mg/m3, the absolute value of the absolute error of the average value of the measurement results of NMHC-CEMS and the reference method is ≤ 20 mg/m3; b) When ≥ 50 mg/m3 ~ < 500 mg/m3, the relative accuracy of the measurement results of NMHC-CEMS and the reference method is ≤ 40%; c) When ≥ 500 mg/m3, the relative accuracy of the measurement results of NMHC-CEMS and the reference method is ≤ 35%. 6.2.4 Performance indicators of exhaust gas parameters The performance indicator requirements of exhaust gas parameters (oxygen, flow rate, flue gas temperature, humidity) shall meet the relevant requirements of HJ 76. 7 Testing method 7.1 Laboratory testing require.......Source: https://www.ChineseStandard.net/PDF.aspx/HJ1013-2018 |