GB 39726-2020 English PDFUS$339.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 39726-2020: (Emission Standard of Air Pollutants for Foundry Industry) Status: Valid
Basic dataStandard ID: GB 39726-2020 (GB39726-2020)Description (Translated English): (Emission Standard of Air Pollutants for Foundry Industry) Sector / Industry: National Standard Classification of Chinese Standard: Z60 Word Count Estimation: 16,152 Date of Issue: 2020-12-24 Date of Implementation: 2021-01-01 Regulation (derived from): Ministry of Ecology and Environment Announcement No. 71 of 2020; National Standard Announcement No. 31 of 2020 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB 39726-2020: (Emission Standard of Air Pollutants for Foundry Industry)---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.(Emission Standard of Air Pollutants for Foundry Industry) Foundry Industry Air Pollutant Emission Standard Emission standard of air pollutants for foundry industry Published on 2020-12-08 2021-01-01 Implementation Ministry of Ecology and Environment State Administration for Market Regulation release National Standards of People's Republic of China ICS 13.040.40 Z 60 i directory Foreword...ii 1 Scope...1 2 Normative references...1 3 Terms and Definitions...2 4 Organised emission control requirements...5 5 Requirements for fugitive emission control...7 6 Requirements for monitoring pollutants at the boundary of enterprises...9 7 Pollutant Monitoring Requirements...9 8 Implementation and Supervision...10 Appendix A (Informative Appendix) Monitoring Requirements for Unorganized Emissions in the Plant...12 1 Foundry Industry Air Pollutant Emission Standard1 Scope of applicationThis standard specifies the air pollutant emission control requirements, monitoring and supervision and management requirements for the foundry industry. This standard is applicable to the management of air pollutant emissions of existing foundry industrial enterprises or production facilities, as well as the environment of foundry industrial construction projects Impact assessment, design of environmental protection facilities, completed environmental protection acceptance, issuance of pollutant discharge permits and management of air pollutant emissions after they are put into operation. Foundry pig iron enterprises, as well as blast furnaces, sintering, and pelletizing processes in foundry enterprises are subject to GB 28663, GB 28662 relevant provisions.2 Normative referencesThis standard refers to the following documents or clauses thereof. For dated references, only the dated version applies to this standard. For undated references, the latest edition (including all amendments) applies to this standard. GB 28662 Iron and Steel Sintering and Pelletizing Industrial Air Pollutants Emission Standard GB 28663 Ironmaking Industry Air Pollutant Emission Standard GB 37822 Volatile organic compound fugitive emission control standard GB/T 4754-2017 National Economic Industry Classification GB/T 15264 Determination of lead in ambient air flame atomic absorption spectrophotometry GB/T 15432 Determination of total suspended particulate matter in ambient air by gravimetric method GB/T 16157 Determination of particulate matter in exhaust gas from stationary pollution sources and sampling methods for gaseous pollutants GB/T 16758 Classification and technical conditions of exhaust hoods HJ 38 Determination of total hydrocarbons, methane and non-methane total hydrocarbons in waste gas from stationary pollution sources by gas chromatography HJ/T 42 Determination of nitrogen oxides in exhaust gas from stationary pollution sources by UV spectrophotometry HJ/T 43 Determination of nitrogen oxides in exhaust gas from stationary pollution sources - Naphthalene ethylenediamine hydrochloride spectrophotometric method HJ/T 55 Technical guidelines for monitoring fugitive emissions of air pollutants HJ/T 56 Determination of sulfur dioxide in exhaust gas from stationary pollution sources by iodometric method HJ 57 Determination of Sulfur Dioxide in Waste Gas from Stationary Pollution Source Constant Potential Electrolysis HJ 75 Technical Specification for Continuous Monitoring of Flue Gas (SO2, NOx, Particulate Matter) Emissions from Stationary Pollution Sources HJ/T 397 Technical Specification for Stationary Source Waste Gas Monitoring HJ 539 Determination of Lead in Ambient Air Graphite Furnace Atomic Absorption Spectrophotometry HJ 604 Determination of Total Hydrocarbons, Methane and Non-Methane Total Hydrocarbons in Ambient Air Direct Injection-Gas Chromatography HJ 629 Determination of Sulfur Dioxide in Exhaust Gas from Stationary Pollution Source Non-dispersive Infrared Absorption Method HJ 657 Determination of lead and other metal elements in air and exhaust particulates Inductively coupled plasma mass spectrometry HJ 685 Determination of Lead in Exhaust Gas from Stationary Pollution Source Flame Atomic Absorption Spectrophotometry 2HJ 692 Determination of nitrogen oxides in waste gas from stationary pollution sources by non-dispersive infrared absorption method HJ 693 Determination of nitrogen oxides in waste gas from stationary pollution sources by constant potential electrolysis HJ 732 Sampling air bag method for volatile organic compounds in waste gas from stationary pollution sources HJ 734 Determination of Volatile Organic Compounds in Waste Gas from Stationary Pollution Sources Solid Phase Adsorption-Thermal Desorption/Gas Chromatography-Mass Spectrometry HJ 777 Determination of Metal Elements in Air and Exhaust Particulates by Inductively Coupled Plasma Emission Spectrometry HJ 819 General Principles of Technical Guidelines for Self-Monitoring of Pollutants HJ 836 Gravimetric Method for Determination of Low-Concentration Particulate Matter in Exhaust Gas from Stationary Pollution Sources HJ 944 General Principles of Technical Specifications for Environmental Management Ledger and Pollution Permit Implementation Report of Pollutant Discharging Units (Trial) HJ 1131 Portable UV Absorption Method for Determination of Sulfur Dioxide in Waste Gas from Stationary Pollution Sources HJ 1132 Portable UV Absorption Method for Determination of Nitrogen Oxides in Exhaust Gas from Stationary Pollution Sources WS/T 757-2016 Technical Specification for Wind Speed Detection and Evaluation of Local Exhaust Facilities "Administrative Measures for Automatic Monitoring of Pollution Sources" (Order No. 28 of the State Environmental Protection Administration) Measures for the Administration of Environmental Monitoring (Order No. 39 of the State Environmental Protection Administration) "Technical Guidelines for Continuous Monitoring of Non-methane Total Hydrocarbon Emissions in Waste Gas from Stationary Pollution Sources (Trial)" (Environmental Office Monitoring Letter [2020] No. 90)3 Terms and DefinitionsThe following terms and definitions apply to this standard. 3.1 foundry industry Manufacturing of various metal castings. It belongs to the metal products industry in GB/T 4754-2017 and is classified as ferrous metal casting (C 3391) and non-ferrous metal casting (C 3392). Ferrous metal casting refers to the manufacture of various finished and semi-finished products such as iron castings and steel castings; non-ferrous metal castings Manufacturing refers to the manufacture of various finished and semi-finished products such as non-ferrous metals and their alloy castings. 3.2 foundry Smelting metal, making molds, and pouring molten metal into molds, solidifying to obtain metal parts of certain shape, size, and properties Forming method of blanks. 3.3 metal melting The process of transforming the metal charge into a molten state by heating and adjusting it to the desired composition of the casting. 3.4 cupola cupola A vertical cylindrical iron furnace with pig iron and (or) scrap iron and steel as metal charge. According to the melting supply air temperature, it is divided into cold air cupola (drum Air temperature≤400℃) and hot air cupola (blast temperature >400℃). 3.5 electronic arc furnace A furnace in which an electric arc is generated between the electrodes and the charge to smelt metal. 3.6 gas smelting furnace A smelting (chemical) furnace for casting that uses only gaseous fuels (LPG, natural gas, coal gas, etc.). 33.7 electric induction furnace Furnace for heating, smelting metal and keeping molten metal warm by induction current. 3.8 holding furnace A furnace that stores molten metal smelted in a smelting furnace and keeps it at the proper temperature. 3.9 refining furnace A furnace for removing gas, impurity elements and inclusions in liquid metal, purifying molten metal and improving the quality of molten metal. 3.10 molding The process of making molds with process equipment such as casting materials and patterns. 3.11 core making The process of making core sand into a core box shape. 3.12 pouring The process of pouring molten metal from a ladle into a mold. 3.13 falling sand shakeout The process of separating the casting from the mold (core) sand by hand or mechanical methods can be carried out with a sand box or after the poke. 3.14 sand treatment sand preparation The process of batching and mixing molding sand according to process requirements, including drying of original sand and treatment of used sand. 3.15 sand reclamation The process of treating waste sand by roasting, wind blowing, water washing or machinery, so that its performance can replace new sand. 3.16 heat treatment for castings The heat treatment process is used to obtain the required mechanical properties or use requirements of the casting. 3.17 surface coatingsurface coating In order to protect or decorate the processing object, the process of coating the surface of the processing object with a coating film layer. 3.18 volatile organic compounds (VOCs) Organic compounds participating in atmospheric photochemical reactions, or organic compounds determined according to relevant regulations. When characterizing the overall emission of VOCs, according to industry characteristics and environmental management requirements, total volatile organic compounds (with TVOC) can be used. expressed), non-methane total hydrocarbons (expressed as NMHC) as pollutant control items. 43.19 total volatile organic compounds (TVOC) The specified monitoring method is used to measure the single VOCs substances in the exhaust gas, and the total amount of VOCs substances is obtained by summing up the single items. The sum of the mass concentrations of VOCs substances. In actual work, the single VOCs substances that account for more than 90% of the total should be analyzed according to the expected analysis results. Measure and add up. 3.20 non-methane hydrocarbon (NMHC) Using the specified monitoring method, the sum of the gaseous organic compounds, excluding methane, for which the hydrogen flame ionization detector responds, in terms of carbon mass concentration meter. 3.21 VOCs-containing materials Raw and auxiliary materials, products and wastes (slag, liquid) with a mass proportion of VOCs greater than or equal to 10%, as well as organic polymer raw and auxiliary materials and wastes material (slag, liquid). 3.22 fugitive emission Irregular emissions of air pollutants that do not pass through exhaust stacks, including emissions from open workplaces, and through crevices, vents, open Discharge of doors, windows and similar openings (holes), etc. 3.23 airtight closed/close Contaminants are not in contact with the ambient air, or are isolated from the ambient air by sealing materials, sealing equipment, or operating methods. 3.24 closed space closed space A closed area or closed building formed by using a complete envelope to block pollutants, workplaces, etc. from the surrounding space. Except for personnel, vehicles, equipment, and materials entering and leaving the closed area or closed building, as well as the exhaust pipes and vents established according to law, the door shall be closed. Windows and other openings (holes) should be kept closed at all times. 3.25 Existing enterprise existing facility Foundry industrial enterprises or production facilities that have been completed and put into production or whose environmental impact assessment documents have been approved before the implementation of this standard. 3.26 New enterprise new facility From the date of implementation of this standard, the new construction, reconstruction and expansion of foundry industry construction projects whose environmental impact assessment documents have passed the examination and approval. 3.27 key regions According to the requirements of environmental protection work, the air pollution is serious, or the ecological environment is fragile, or there is a need for further improvement of ambient air quality, etc. Areas that require strict control of air pollutant emissions. 3.28 standard state The state at a temperature of 273.15 K and a pressure of 101.325 kPa. The air pollutant emission concentration limits stipulated in this standard are all in standard form 7 The oxygen content of the exhaust gas entering the VOCs combustion (incineration, oxidation) device can meet the needs of its own combustion and oxidation reactions, and no additional supplement is required Air (except for the burner that needs supplementary air to support combustion), the measured mass concentration is used as the basis for determining the compliance, but the flue gas at the outlet of the device contains oxygen The amount shall not be higher than the oxygen content of the exhaust gas at the inlet of the device. Other VOCs treatment facilities such as adsorption, absorption, condensation, biological, membrane separation, etc., use the measured mass concentration as the basis for determining the compliance, and do not Diluted emissions. 4.7 Except for mobile dust removal equipment, the height of the exhaust pipe of other workshops or production facilities shall not be less than 15 m, and the specific height shall be The relative height relationship should be determined according to the environmental impact assessment document. 4.8 When the exhaust gas combined with exhaust pipe discharge with different emission control requirements is implemented, it shall be monitored before the exhaust gas is mixed, and the corresponding exhaust gas shall be implemented. Emission control requirements; if the optional monitoring position can only monitor the mixed exhaust gas, the most stringent regulations in each emission control requirement shall be followed. will be implemented.5 Requirements for fugitive emission control5.1 Scope and time of execution 5.1.1 From January 1, 2021, new enterprises, and existing enterprises from July 1, 2023, the fugitive emission control shall comply with this standard implementation of the regulations. 5.1.2 Enterprises in key areas shall implement special control requirements for fugitive emissions, and the geographical scope and time of implementation shall be determined by the State Council Ecological Environment Supervisor Department regulations. Where the competent department of ecological environment under the State Council has not made a provision, the provincial people's government may prescribe the geographical scope and time of enforcement within its jurisdiction. 5.2 Control measures for fugitive emission of particulate matter 5.2.1 Material storage 5.2.1.1 Powdered materials such as pulverized coal, bentonite, and silica sand should be packed in bags or cans, and stored in closed storage or semi-closed stockyards (sheds). The semi-closed stockyard (stack shed) should have walls (enclosures) and roofs on at least two sides. 5.2.1.2 Granular and bulk bulk materials such as pig iron, scrap steel, coke and ferroalloy shall be stored in closed storage warehouses, silos, or In the closed stockyard (stack shed), or around, set up wind and dust suppression nets, wind barriers, or take covering measures. The semi-closed stockyard (shed) shall be at least There are walls (enclosures) and roofs on both sides; the height of wind and dust suppression nets and wind walls should not be lower than 1.1 times the height of the stockpiled materials. 5.2.2 Material Transfer and Conveying 5.2.2.1 In the process of transferring and conveying powdery and granular materials that are easy to emit dust in the factory, dust suppression measures such as sealing or covering should be taken; In the process of conveying, loading and unloading, dust-generating points should take dust-collecting and dust-removing measures, or dust-suppressing measures such as spraying (fog). 5.2.2.2 The dust discharge port of the dust collector shall be shielded and other dust suppression measures shall be taken, and the dust dust shall not be directly discharged to the ground. Dust removal is bagged or canned and other airtight measures to collect, store and transport. 5.2.2.3 The roads in the factory area shall be hardened, and measures such as regular cleaning and watering shall be taken to keep them clean. 5.2.3 Casting 5.2.3.1 The charging port of the cupola should be in a negative pressure state to prevent dust leakage. 5.2.3.2 The dust-generating point of the molten metal processing process such as inoculation, metamorphism, and refining outside the furnace shall be installed with a gas collecting hood and equipped with dust removal facilities. 5.2.3.3 Dust-generating hoods and dust-removing facilities shall be installed at the dust-generating points of molding, core-making and pouring processes, or dust suppression measures such as spraying (fog) shall be adopted. 5.2.3.4 The process of falling sand, shot blasting and sand treatment shall be operated in a closed space, and the exhaust gas shall be collected to the dust removal facility; 8 For operation, fixed and mobile gas gathering equipment should be used, and dust removal facilities should be provided. 5.2.3.5 The cleaning (removal of pouring risers, shovel burrs, etc.) and maintenance procedures for ladle and slag ladle should be operated in a closed space, and the waste gas should be collected. Collected to dust removal facilities; if it is not operated in a closed space, fixed or mobile gas collection equipment should be used and equipped with dust removal facilities, or spraying (fog) and other dust suppression measures. 5.2.3.6 There shall be no visible smoke and dust escaping outside the workshop. 5.2.4 Special control requirements for fugitive emissions of particulate matter 5.2.4.1 Granular and bulk bulk materials such as pig iron, scrap steel, coke and ferroalloy shall be stored in closed storage warehouses, silos, or In closed stockyards (sheds). The semi-closed stockyard (stack shed) shall have walls (enclosures) and roofs on at least two sides, and the materials shall be covered and sprayed. Dust suppression measures such as showering (fog). 5.2.4.2 The transfer and conveying process of powdery, granular and other materials that are easy to emit dust in the factory should be closed; Dust point should take measures to collect dust, or spray (fog) and other dust suppression measures. 5.2.4.3 Gas collection hoods shall be set up in the processing procedures of raw materials such as scrap steel and returned material, and dust removal facilities shall be provided. 5.2.4.4 The cleaning (removal of pouring risers, shovel burrs, etc.) and maintenance procedures of ladle and slag ladle shall be performed in a closed space, and waste gas shall be collected To dust removal facilities; if it is not operated in a closed space, fixed and mobile gas collection equipment should be used and equipped with dust removal facilities. 5.2.4.5 The relevant regulations in 5.2.1, 5.2.2 and 5.2.3 shall still be implemented for the fugitive emission control requirements in other links. 5.3 VOCs fugitive emission control measures 5.3.1 Storage and transfer of VOCs materials 5.3.1.1 VOCs materials such as coatings, resins, curing agents, thinners, and cleaning agents should be stored in airtight containers, packaging bags, and storage. 5.3.1.2 Containers or packaging bags containing VOCs materials should ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 39726-2020_English be delivered?Answer: Upon your order, we will start to translate GB 39726-2020_English as soon as possible, and keep you informed of the progress. 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