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HJ 991-2018 English PDF

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HJ 991-2018: Technical guidelines of accounting method for pollution source intensity - Boiler
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Basic data

Standard ID: HJ 991-2018 (HJ991-2018)
Description (Translated English): Technical guidelines of accounting method for pollution source intensity - Boiler
Sector / Industry: Environmental Protection Industry Standard
Word Count Estimation: 25,292
Date of Issue: 2018-12-25
Date of Implementation: 2019-03-01
Regulation (derived from): Ministry of Ecology and Environment Announcement No. 69 of 2018
Issuing agency(ies): Ministry of Ecology and Environment

HJ 991-2018: Technical guidelines of accounting method for pollution source intensity - Boiler


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Technical guidelines of accounting method for pollution source intensity - Boiler National Environmental Protection Standard of the People's Republic Pollution source source strong accounting technology guide boiler Technical guidelines of accounting method for pollution source Intensity boiler Published on.2018-12-25 2019-03-01 Implementation Ministry of Ecology and Environment released i directory Foreword...ii 1 Scope...1 2 Normative references...1 3 Terms and Definitions...2 4 source strong accounting program... 2 5 Strong source method for waste gas pollution sources...5 6 Wastewater pollution source and source strong accounting method...8 7 Noise source strong accounting method...9 8 Solid waste source strength accounting method...9 9 other...10 Appendix A (informative appendix) Boiler pollution source and source strong accounting results and related parameter list form...11 Appendix B (informative appendix) Boiler exhaust gas pollution source and source strong accounting parameter reference value...15 Appendix C (informative appendix) Calculation of smoke volume...17 Appendix D (informative appendix) Boiler related equipment noise source strong reference value...21

Foreword

To implement the Environmental Protection Law of the People's Republic of China, the Environmental Impact Assessment Law of the People's Republic of China, and the Chinese People Law of the Republic of China on Prevention and Control of Atmospheric Pollution, Law of the People's Republic of China on Prevention and Control of Water Pollution, Environmental Pollution Pollution Law of Prevention and Control, "The Law of the People's Republic of China on the Prevention and Control of Environmental Pollution by Solid Wastes" and other laws and regulations, improve the strong nuclear source of fixed pollution sources Calculate the method system, guide and standardize the strong accounting work of boiler pollution sources, and formulate this standard. This standard stipulates the strong accounting of waste gas, waste water, noise and solid waste pollution sources generated during the use of boilers. Procedures, content, methods and requirements. Appendix A to Appendix D of this standard are informative annexes. This standard is the first release. This standard is formulated by the Department of Environmental Impact Assessment and Emission Management of the Ministry of Ecology and Environment, and the Department of Regulations and Standards. This standard is mainly drafted by. Environmental Engineering Evaluation Center of the Ministry of Environmental Protection, Guodian Environmental Protection Research Institute Co., Ltd. China Electric Power Engineering Consulting Group Northeast Electric Power Design Institute Co., Ltd., Tianjin Environmental Protection Science Research Institute, Beijing Labor Institute of Protection Science. This standard was approved by the Ministry of Ecology and Environment on December 25,.2018. This standard has been implemented since March 1,.2019. This standard is explained by the Ministry of Ecology and Environment.

1 pollution source source strong accounting technology guide boiler

1 Scope of application

This standard specifies the process of strong accounting of waste gas, waste water, noise and solid waste pollution sources generated during boiler use. Preface, content, methods and requirements. This standard applies to the implementation of GB 13271 boiler new (reform, expansion) construction project pollution sources and existing engineering sources of pollution Accounting. This standard is applicable to the strong accounting of pollution sources under normal and abnormal conditions of boilers, and is not applicable to sudden leakage, fire, explosion. Source strength accounting in case of accidents such as bombing.

2 Normative references

This standard refers to the following documents or their terms. The most recent version of the undated reference document (package) All revisions are applicable to this standard. GB 8978 Integrated Wastewater Discharge Standard GB 13271 Boiler Air Pollutant Emission Standard GB/T 15317 Energy-saving monitoring of coal-fired industrial boilers GB/T 16157 Determination of particulate matter in fixed pollution source exhaust gas and sampling method of gaseous pollutants GB/T 17954 industrial boiler economic operation HJ 2.1 General Outline of Technical Guidelines for Environmental Impact Assessment of Construction Projects HJ 2.2 Technical Guidelines for Environmental Impact Assessment Atmospheric Environment HJ 2.3 Environmental Impact Assessment Technical Guidelines Surface Water Environment HJ 2.4 Environmental Impact Assessment Technical Guidelines Acoustic Environment HJ 75 Fixed Pollution Source Flue Gas (SO2, NOx, Particulate Matter) Emissions Continuous Monitoring Technical Specification HJ 76 Technical requirements and test methods for continuous monitoring system for stationary pollution source flue gas (SO2, NOx, particulate matter) HJ/T 91 Surface Water and Wastewater Monitoring Technical Specifications HJ/T 92 Water Pollutant Total Monitoring Technical Specification HJ/T 353 Water Pollution Source Online Monitoring System Installation Technical Specification (Trial) HJ/T 354 Water Pollution Source Online Monitoring System Acceptance Technical Specification (Trial) Technical Specifications for Operation and Assessment of HJ/T 355 Water Pollution Source Online Monitoring System (Trial) HJ/T 356 Water Pollution Source Online Monitoring System Data Validity Discrimination Technical Specification (Trial) HJ/T 373 Technical Specifications for Quality Assurance and Quality Control of Fixed Pollution Source Monitoring (Trial) HJ/T 397 Fixed Source Exhaust Gas Monitoring Technical Specification HJ 630 Environmental Monitoring Quality Management Technical Guidelines HJ 820 sewage unit self-monitoring technical guide thermal power generation and boiler HJ 884 Guidelines for the Guidelines for Sources of Pollution Sources 2HJ 953 Sewage permit application and issuance technical specification boiler

3 Terms and definitions

The following terms and definitions defined by HJ 884 apply to this standard. 3.1 Boiler boiler The boiler uses the heat energy or other heat energy released by the combustion of the fuel to heat the hot water or other working fluid to produce the specified parameters (warm Degree, pressure) and quality of steam, hot water or other working equipment, this standard also includes pollution control facilities and other ancillary facilities Ready. 3.2 Abnormal situation Refers to boiler start-up, shutdown, and other working conditions, as well as pollution prevention facilities caused by faults, etc. Governance efficiency and other conditions.

4 source strong accounting procedures

4.1 General principles The strong source accounting procedures include pollution source identification and pollutant determination, accounting methods and parameter selection, source strength accounting, The summary of accounting results, etc., see HJ 884 for details. 4.2 Identification of pollution sources The source identification should meet the technical guidelines of HJ 2.1, HJ 2.2, HJ 2.3, HJ 2.4, etc., and cover all possible production. A place, equipment, or device that produces waste gas, wastewater, noise, and solid waste contaminants. 4.3 Determination of pollutants The determination of pollutants of various pollution sources shall include the mains included in national and local emission standards such as GB 13271 and GB 8978. Want pollutants. Contaminants that may be produced in the production process but not included in national or local emission standards may be based on environmental quality Volume standards, other industry standards, other national emission standards, local people's governments or environmental protection departments Good demand, based on the analysis of raw and auxiliary materials and fuel use and production process. 4.4 Principles of accounting methods 4.4.1 General principles Boiler pollution source and source strong accounting methods include actual measurement method, analog method, material balance algorithm and pollution coefficient method, etc. The order of selection is shown in Table 1. If the priority method cannot be used, reasonable reasons should be given. 3 Table 1 Source strength accounting method selection order table Environmental factor pollution source accounting factor Accounting method and prioritization New (reform, expansion) Engineering pollution source Existing engineering pollution source a Organized exhaust (normal working condition) Boiler chimney Particulate matter, sulfur dioxide, nitrogen oxidation Matter, mercury and its compounds b Material balance algorithm 2. Analogy 3. Pollution coefficient method Actual measurement method Organized exhaust (non-normal work condition) Boiler chimney Particulate matter, nitrogen oxides Analogy method Actual measurement method 2. Pollution coefficient method Sulfur dioxide Actual measurement method 2. Material balance algorithm Mercury and its compounds b Actual measurement method 2. Analogy Unorganized exhaust Coal yard/oil (gas) tank, Raw materials such as ash slag yard and By-product storage, unloading, Transportation, preparation system Fuel is coal, biomass. particulate matter Fuel is oil, gas. non-methane total hydrocarbon Analogy method Liquid ammonia/ammonia water storage system Waste water c boiler room waste water discharge Chemical oxygen demand, ammonia nitrogen, suspended solids, Petroleum, fluoride, sulfide, Volatile phenol, total phosphorus, etc. Analogy method 2. Pollution coefficient method Actual measurement method noise Boiler fan, water pump, Mill and other equipment Noise level Solid Waste Boiler and dust removal, desulfurization System, etc. Ash, desulfurization by-products, etc. Material balance algorithm 2. Analogy 3. Pollution coefficient method Denitration system waste denitration catalyst 1. Analogy method a Existing project pollution source is not manually monitored according to relevant management requirements, automatic monitoring equipment for installation of pollutants or automatic monitoring equipment does not comply with regulations In the process of environmental impact assessment management, it shall be accounted for according to the standard method after rectification according to the law; in the process of sewage permit management, press Accounting according to the relevant provisions of the discharge permit. b The exhaust gas accounting factor is determined according to GB 13271. c. The wastewater accounting factor is determined according to GB 8978 and HJ 820. When the discharged wastewater does not contain domestic sewage, the total phosphorus is not calculated. Indirect discharge Sewage centralized treatment facilities (units) are uniformly accounted for. 4.4.2 Exhaust gas 4.4.2.1 New (reconstruction, expansion) construction project pollution source In normal working conditions, the organized source strength of the exhaust gas is preferentially calculated by the material balance algorithm, followed by the analogy method and the pollution yield coefficient method. Accounting; in abnormal conditions, the exhaustive tissue source strength is calculated by analogy. The unorganized source of exhaust gas is calculated by analogy. The material/stack is in a fully enclosed type, and the storage tank is in a closed container. The unorganized source of gas is negligible. 4.4.2.2 Existing engineering pollution sources In normal working conditions, the organized source strength of the exhaust gas is calculated by the actual measurement method; in the case of abnormal working conditions, the actual measurement method is preferred. Can not be calculated by the actual measurement method, sulfur dioxide using the material balance algorithm, particulate matter and nitrogen oxides using the pollution coefficient method, mercury And their compounds are accounted for by analogy. When using the actual measurement method to calculate the source strength, the HJ 820 and the pollutant discharge unit discharge permit, etc. 4 requires the use of automatic monitoring of pollution factors, only valid automatic monitoring data can be used for accounting; for HJ 820 and sewage The unit's pollutant discharge permit does not require the use of automatic monitoring of pollution factors, priority to use effective automatic monitoring data, followed by Monitor the data manually. The unorganized source of exhaust gas is calculated by analogy. 4.4.3 Waste water 4.4.3.1 New (reconstruction, expansion) construction project pollution source The analogy method is preferred, followed by the pollution coefficient method. 4.4.3.2 Existing engineering pollution sources Calculated by the actual measurement method. 4.4.4 Noise 4.4.4.1 New (reconstruction, expansion) construction project pollution source The analogy method is used for accounting. 4.4.4.2 Existing engineering pollution sources Calculated by the actual measurement method. 4.4.5 Solid waste 4.4.5.1 New (reconstruction, expansion) construction project pollution source The source of solid waste such as ash and desulfurization by-products is preferentially calculated by the material balance algorithm, followed by analogy and pollution generation. The number method is used for accounting; the waste denitration catalyst is calculated by analogy method. 4.4.5.2 Existing engineering pollution sources Calculated by the actual measurement method. 4.5 Source strength accounting The emission or discharge of waste gas, waste water and solid waste is the sum of all pollution sources generated or discharged, of which exhaust gas The accounting of strong pollution sources should include the production or emission of normal and abnormal conditions, and the discharge of pollutants from normal emissions is The sum of organized and unorganized emissions. Calculated using equation (1).  'ii DDD   (1) Where. D -- the amount of pollutants produced or discharged during the accounting period, t; Di--the amount of pollutants produced or discharged under normal conditions of a pollution source during the accounting period, t; Di '--The occurrence or emission of a certain pollutant under abnormal conditions of a pollution source during the accounting period, t; n--The number of pollution sources, the quantity of dimension one. 4.6 Summary of accounting results See Appendix A for the format of the strong source accounting results. 55 Exhaust gas source source strong accounting method 5.1 Material Balance Algorithm 5.1.1 Coal-fired, biomass-fired boiler a) The emissions of particulate matter (smoke) are calculated according to formula (2). Ar fh c Fh A d        (2) Where. EA-- emissions of particulate matter (smoke) during the accounting period, t; R--Boiler fuel consumption during the accounting period, t; Aar--the quality score of the received ash, %; Dfh--the share of fly ash from boiler flue gas, %; c--Comprehensive dust removal efficiency, %; Cfh--the amount of combustibles in fly ash, %. When a fluidized bed boiler is added with a desulfurizing agent such as limestone, the ash Aar of the incoming material can be expressed by the converted ash, and the formula (3) The converted ash Azs is substituted into the formula (2). CaCO 100 0.8 3.125 ( 0.44) Ls Zs ar arA AS m          (3) Where. Azs--the mass fraction of the converted ash, %; Aar--the quality score of the received ash, %; Sar--the mass fraction of base sulfur received, %; m--Ca/S molar ratio; CaCO - limestone purity, mass fraction of calcium carbonate in limestone, %;  ls - desulfurization efficiency in the furnace, %. b) The amount of sulfur dioxide emissions is calculated according to formula (4). SO 2 1 1 Ar sS qE RK  4 4 4 4 4 4 4  4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 Where. ESO2--the amount of sulfur dioxide emissions during the accounting period, t; R--Boiler fuel consumption during the accounting period, t; Sar--the mass fraction of base sulfur received, %; q4--Boiler machinery incomplete combustion heat loss, %; s--desulfurization efficiency, %; K--the amount of sulfur in the fuel that is oxidized to sulfur dioxide after combustion, the amount of dimension one. c) Nitrogen oxide emissions are controlled by boiler manufacturers to ensure concentration values or analogous boiler nitrogen The oxide concentration value is calculated according to the formula (5). 6NO 9 NO NO 1 10100 x xE Q          (5) Where. ENOx - the amount of nitrogen oxide emissions during the accounting period, t; ρNOx--mass concentration of nitrogen oxides in boiler furnace outlet, mg/m3; Q--standard dry smoke emission during the accounting period, m3;  NOx - denitration efficiency, %. d) The emission of mercury and its compounds is calculated according to formula (6). Hg 6 Hg Hg 1 10100ar ER m          (6) Where. EHg--the amount of mercury and its compounds emitted in the accounting period (in terms of mercury), t; R--Boiler fuel consumption during the accounting period, t; mHgar--received the content of base mercury, μg/g; Hg--the synergistic removal efficiency of mercury, %. 5.1.2 Fuel and gas boilers The emissions of particulate matter from fuel and gas boilers are calculated in accordance with 5.2 and 5.4. The NOx emissions of fuel and gas boilers are calculated according to formula (5). The sulfur dioxide emissions of the oil-fired boiler are calculated according to formula (4), and the sulfur dioxide emissions of the gas boiler are calculated according to formula (7). SO t2 1 10100 ERSK           (7) In the formula. 2SO E -- the amount of sulfur dioxide emissions during the accounting period, t; R--Boiler fuel consumption during the accounting period, 10,000 m3; St--mass total sulfur concentration, mg/m3; s--desulfurization efficiency, %; K--the amount of sulfur in the fuel that is oxidized to sulfur dioxide after combustion, the amount of dimension one. 5.1.3 Refer to Appendix B and Appendix C for the values of related parameters in the material balance algorithm. 5.2 Analogy The discharge of pollutants can be accounted for in analogy with the valid measured data of existing engineering that meets the requirements. Meet the following 3 at the same time The applicable principle is applicable to the analogy. a) The fuel, excipients and by-products are of the same type (in principle, the difference in composition is not more than 20%); b) the boiler type and scale are the same (in principle, the difference in scale does not exceed 30%); c) The pollution control measures are similar, and the efficiency of pollutant design removal is not lower than the efficiency of the analog object removal. 5.3 Measurement method 5.3.1 General principles The actual measurement method is to calculate the pollutant discharge amount by the actual exhaust gas emission amount and the corresponding pollutant discharge concentration, which is applicable to the Existing engineering sources of contamination with effective automated monitoring or manual monitoring of data. 75.3.2 Using automatic monitoring system data accounting When using automatic monitoring data to calculate the source strength, all hourly average data in the accounti......
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