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Basic dataStandard ID: HJ 1093-2020 (HJ1093-2020)Description (Translated English): Technical specifications for industrial organicwaste gas treatment by regenerative thermal oxidation Sector / Industry: Environmental Protection Industry Standard Word Count Estimation: 16,196 Date of Issue: 2020 Date of Implementation: 2020-01-13 Issuing agency(ies): Ministry of Ecology and Environment HJ 1093-2020: Technical specifications for industrial organicwaste gas treatment by regenerative thermal oxidation---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 specifications for industrial organicwaste gas treatment by regenerative thermal oxidation National Environmental Protection Standards of the People's Republic of China Technical specification for industrial organic waste gas treatment engineering by regenerative combustion method 2020-01-14 release 2020-01-14 Implementation Issued by the Ministry of Ecology and Environment Table of contentsForeword...II 1 Scope of application...1 2 Normative references...1 3 Terms and definitions...2 4 Pollutants and pollution load...3 5 General requirements...4 6 Process design...4 7 Main process equipment and materials...8 8 Inspection and process control...9 9 Main auxiliary projects...9 10 Work Safety and Occupational Health...10 11 Construction, commissioning and acceptance...10 12 Operation and maintenance...11ForewordTo implement the "Environmental Protection Law of the People's Republic of China", "The Air Pollution Prevention Law of the People's Republic of China" and other laws and regulations, Pollution, improve the quality of the ecological environment, regulate the construction and operation management of industrial organic waste gas treatment projects, and formulate this standard. This standard specifies the technical requirements for the design, construction, acceptance and operation and maintenance of industrial organic waste gas heat storage combustion method treatment projects. This standard is a guiding standard. This standard is issued for the first time. This standard was formulated by the Department of Science, Technology and Finance, and the Department of Regulations and Standards of the Ministry of Ecology and Environment. The main drafting organizations of this standard. China Environmental Protection Industry Association, Beijing Research Institute of Environmental Protection, Jiangsu China Electricity Union Ruima Festival Energy Technology Co., Ltd., Enguo Environmental Protection Technology (Shanghai) Co., Ltd., Yangzhou Hengtong Environmental Protection Technology Co., Ltd., Kemaike (Hangzhou) Environmental Insurance Equipment Co., Ltd. This standard was approved by the Ministry of Ecology and Environment on January 13, 2020. This standard will be implemented on January 14, 2020. This standard is interpreted by the Ministry of Ecology and Environment. Technical specification for industrial organic waste gas treatment engineering by regenerative combustion method1 Scope of applicationThis standard specifies the technical requirements for the design, construction, acceptance, and operation and maintenance of industrial organic waste gas treatment projects using regenerative combustion. This standard is applicable to the construction and operation management of industrial organic waste gas treatment projects using regenerative combustion, and can be used as environmental impact assessment, Reference basis for engineering consultation, design, construction, acceptance, and operation and management of environmental protection facilities after completion.2 Normative referencesThe content of this standard refers to the terms in the following documents. For undated references, the latest version is applicable to this standard. GB 912 Carbon structural steel and low-alloy structural steel hot-rolled sheet and strip GB 2893 safety color GB 2894 Safety signs and guidelines for their use GB/T 3003 Refractory ceramic fiber and products GB/T 3077 Alloy structural steel GB 4053.1 Safety requirements for fixed steel ladders and platforms Part 1.Steel straight ladders GB 4053.2 Safety requirements for fixed steel ladders and platforms Part 2.Steel inclined ladders GB 4053.3 Safety requirements for fixed steel ladders and platforms Part 3.Industrial protective railings and steel platforms GB 7231 Basic identification colors, identification symbols and safety signs of industrial pipelines GB/T 11835 Rock wool, slag wool and their products for thermal insulation GB 12348 Noise standard at the boundary of industrial enterprises GB/T 13275 Technical requirements for general purpose centrifugal fans GB/T 13347 Petroleum Gas Pipeline Flame Arrestor GB/T 13869 Electricity Safety Guide GB 15930 Fire valves for building ventilation and smoke exhaust systems GB/T 16157 Determination of particulate matter in exhaust from stationary sources and sampling method for gaseous pollutants GB/T 19686 Rock wool and slag wool thermal insulation products for construction GB/T 19839 General technical requirements for industrial fuel gas burners GB 50016 Code for fire protection of building design GB 50019 Design Code for Heating, Ventilation and Air Conditioning GB 50029 Code for Design of Compressed Air Station GB 50051 Exhaust cylinder design code GB 50057 Code for lightning protection design of buildings GB 50058 Code for design of electrical installations in explosive and fire hazardous environments GB/T 50087 Industrial Enterprise Noise Control Design Code GB 50140 Code for design of building fire extinguisher configuration GB 50160 Code for fire protection design of petrochemical enterprises GB 50187 General Layout Design Specification for Industrial Enterprises HJ/T 1 Fixed position device for gas parameter measurement and sampling HJ/T 38 Determination of non-methane total hydrocarbons in exhaust gas from stationary sources. Gas chromatography HJ/T 397 Fixed source exhaust gas monitoring technical specification HJ 732 Air bag method for sampling volatile organic compounds in exhaust gas from stationary sources HJ 734 Determination of Volatile Organic Compounds in Exhaust Gases from Stationary Pollution Sources Solid Phase Adsorption-Thermal Desorption/Gas Chromatography-Mass Spectrometry HJ.2000 Technical Guidelines for Air Pollution Control Engineering AQ 3009 Electrical explosion-proof safety code for hazardous locations GBZ 1 Hygienic Standard for Design of Industrial Enterprises GBZ 2.1 Occupational Exposure Limits for Hazardous Factors in the Workplace Part 1.Chemical Hazardous Factors GBZ 2.2 Occupational Exposure Limits for Hazardous Factors in the Workplace Part 2.Physical Factors HGJ 229 Code for construction and acceptance of industrial equipment and pipeline anti-corrosion engineering HG/T 20642 chemical industrial furnace refractory ceramic fiber lining design technical regulations JC/T 2135 Honeycomb ceramic heat storage body SGBZ -0805 Air duct and component insulation construction technology standard SH/T 3038 Technical specification for power design of production equipment in petrochemical enterprises "Regulations on Environmental Protection Management of Construction Projects" (revised on July 16,.2017) "Interim Measures for the Acceptance of Environmental Protection of Construction Projects" (Guohuangui Environmental Assessment [2017] No. 4)3 Terms and definitionsThe following terms and definitions apply to this standard. 3.1 Volatile organic compounds (VOCs) Organic compounds that participate in atmospheric photochemical reactions, or organic compounds determined in accordance with relevant regulations. When characterizing the overall emission of VOCs, according to industry characteristics and environmental management requirements, total volatile organic compounds (in TVOC table Show), non-methane total hydrocarbons (indicated by NMHC) as pollutant control items. 3.2 Industrial organic waste gas Refers to waste gas containing volatile organic compounds discharged from industrial production processes. 3.3 Regenerative thermal oxidizer (RTO) Refers to the combustion and purification treatment of industrial organic waste gas, and the use of heat accumulators to heat and raise the waste gas to be treated, and to exchange the purified exhaust gas Thermal cooling device. The regenerative combustion device is usually composed of reversing equipment, regenerator, combustion chamber and control system. 3.4 Heat transfer media Refers to the functional material that realizes heat storage and exchange during the operation of the heat storage combustion device. 3.5 Divert device Refers to a valve or rotary gas distributor that changes the flow of exhaust gas to be treated and purified exhaust gas. 3.6 Interval time Refers to the time interval between changes in gas flow direction. 3.7 purification efficiency Refers to the ratio of the mass flow of VOCs processed by the regenerative combustion device to the mass flow of VOCs entering the regenerative combustion device, expressed as a percentage. 3.8 Thermal energy recovery Refers to the ratio of the actual heat used by the preheated exhaust gas in the regenerative combustion device to the maximum available heat, expressed as a percentage. 3.9 self-sustaining combustion Refers to the combustion process that only relies on the heat released by the combustion of combustibles in the exhaust gas to maintain the normal operation of the RTO at the set temperature. 3.10 Explosive limit Refers to the concentration range where combustible gas or vapor can explode after mixing with air. 3.11 Lower explosive limit (LEL) Refers to the lowest concentration value of the explosion limit. 3.12 Regenerative chamber cross-section velocity Refers to the apparent wind speed of the organic waste gas to be treated passing through the section of the regenerator in the standard state.4 Pollutants and pollution load4.1 Engineering design air volume and VOCs design concentration should be determined comprehensively based on actual measured values and fully considering the change trend. The process is determined by analogy. 4.2 The original data such as the physical and chemical properties of industrial organic waste gas should be collected according to the needs of the engineering design, mainly including the following. d) VOCs composition and concentration in exhaust gas (normal value, maximum value, minimum value); e) The composition and concentration of inorganic gas in the exhaust gas (normal value, maximum value, minimum value); f) The concentration of particulate matter in the exhaust gas; g) The situation and work system of pollutant equipment; h) Exhaust gas discharge method (continuous, intermittent, fluctuating period). 4.3 The concentration of organic matter entering the regenerative combustion device should be less than 25% of its lower explosive limit. 4.4 When the concentration of organic matter is not enough to support self-sustained combustion, it should be properly concentrated before entering the regenerative combustion device. 4.5 For exhaust gas containing mixed organic matter, its control concentration P should be lower than 25% of the lowest value of the lowest explosion limit of the most explosive component or mixed gas. 4.6 Organic matter that is easy to react and polymerize should not be treated by the regenerative combustion method. 4.7 The exhaust gas containing halogen should not be treated by the regenerative combustion method. 4.8 The concentration of particulate matter in the exhaust gas entering the thermal storage combustion device should be less than 5mg/m3, and it should be strictly controlled when it contains viscous substances such as tar and paint mist. 4.9 The exhaust gas flow, temperature, pressure and pollutant concentration entering the thermal storage combustion device should not fluctuate greatly.5 General requirements5.1 General provisions 5.1.1 The production enterprises that produce organic waste gas shall strictly abide by the laws and regulations related to ecological environment protection and actively promote clean production. 5.1.2 Regenerative combustion method industrial organic waste gas treatment project (hereinafter referred to as the "treatment project") should comply with the "Construction Project Environmental Protection Management Regulations" Related requirements. 5.1.3 The design, construction, operation and monitoring units of the governance project shall have the corresponding technical capabilities. 5.1.4 In the process of design, construction, and operation of the treatment project, priority should be given to safety factors. 5.1.5 When pollutants after treatment are discharged into the environment, they shall comply with the relevant national and local pollutant discharge standards and meet the environmental impact assessment. Price document approval opinions, total control of major pollutants and pollutant discharge permit requirements. 5.1.6 The treatment and discharge of waste gas, waste water, waste residues and other pollutants generated during the construction and operation of the treatment project shall comply with the national or local regulations. Relevant regulations and standards of the Party’s environmental protection laws and standards. 5.1.7 The treatment project shall conduct pollutant monitoring in accordance with relevant laws and standards. 5.2 Project composition 5.2.1 The treatment project consists of the main project and auxiliary projects. 5.2.2 The main project usually includes exhaust gas collection system, pretreatment system, heat storage combustion device, exhaust cylinder and detection and process control system. If The treatment project produces secondary pollutants, and the main project should also include secondary pollution control facilities. 5.2.3 Auxiliary engineering includes fuel supply system, compressed air system, electrical system, water supply and drainage and fire fighting system, etc. 5.3 Site selection and general layout 5.3.2 The site selection should follow the principles of facilitating construction and operation and maintenance, and set aside fire-fighting channels and safety protection distances in accordance with fire-fighting requirements. 5.3.3 The arrangement of equipment should consider the influence of the dominant wind direction, and give priority to reducing the influence of harmful gases and noise on the surrounding residential areas. If in There is no residential area in the downwind direction, and it can be arranged in the downwind direction of the dominant wind direction. 5.3.4 The regenerative combustion device should be far away from flammable and explosive hazardous areas, and the safety distance should comply with national or relevant industry standards.6 Process design6.1 General provisions 6.1.1 The treatment capacity of the treatment project should be determined according to the VOCs treatment capacity, and the design air volume should be designed according to more than 105% of the maximum exhaust gas emission. 6.1.2 The purification efficiency of the two-chamber regenerative combustion device should not be less than 95%, and the purification efficiency of the multi-chamber or rotary regenerative combustion device should not be less than 98%. 6.1.4 The design of the exhaust cylinder should comply with the relevant regulations and requirements of GB 50051 and the environmental impact assessment documents and approval opinions. 6.1.5 The treatment project should have automatic fault alarm and protection devices, and comply with relevant regulations for safe production and accident prevention. 6.2 Selection of technological process 6.2.1 The process flow should be selected after comprehensive analysis based on factors such as the source, composition, properties (temperature, humidity, pressure), flow rate, and explosion limit of the exhaust gas. 6.2.2 The regenerative combustion process can be divided into a stationary regenerative combustion process and a rotary regenerative combustion process. 6.2.3 When the two-chamber regenerative combustion process is selected, it is advisable to add a reversing valve, purge device or take other measures to prevent the damage generated during the switching process of the reversing valve. The exhaust gas of the engine is collected and processed, and the typical process flow chart is shown in Figure 1(b). 6.2.4 When the area of the treatment project is limited, the rotary regenerative combustion process can be selected. 6.3 Process design requirements 6.3.1 Waste gas collection 6.3.1.1 The exhaust gas collection system should be coordinated with the production process. On the premise of ensuring the collection effect, the structure should be simple, easy to install and Maintenance management. 6.3.1.2 The design of the exhaust gas collection system should comply with GB 50019, HJ.2000 and relevant industry regulations. 6.3.1.3 When there are many exhaust gas generating points and the distance between each other is relatively long, on the basis of meeting the relevant design specifications of the air duct and the balance of air pressure, appropriate Separately set up multiple collection systems or relay fans. 6.3.2 Pretreatment 6.3.2.1 The pretreatment process should be selected according to factors such as the composition, nature and pollutant content of the exhaust gas. 6.3.2.2 When the exhaust gas contains acid or alkali gas, it should be removed by neutralization and absorption. 6.3.2.3 When the particulate matter content in the exhaust gas does not meet the requirements of 4.7 of this standard, it shall be pretreated by filtering, washing, electrostatic trapping, etc. 6.3.2.4 Differential pressure gauges should be installed at both ends of the filter device. When the resistance of the filter exceeds the specified value, the filter material should be cleaned or replaced in time. 6.3.3 Combustion chamber 6.3.3.1 The structure and size of the combustion chamber should be based on factors such as the combustion temperature, residence time, and the effective volume flow of the exhaust gas to be treated through the combustion chamber. The calculation confirms that the temperature/concentration field can be simulated and calculated using the fluid mechanics model. 6.3.3.2 The refractory and thermal insulation material of the combustion chamber lining should be ceramic fiber, and the lining design should meet the relevant regulations of HG/T 20642. 6.3.3.3 The residence time of the exhaust gas in the combustion chamber should generally not be less than 0.75s. 6.3.3.4 The combustion temperature of the combustion chamber should generally be higher than 760℃. 6.3.4 Regenerator 6.3.4.1 The structure and size of the regenerator shall be calculated and determined according to the heat recovery efficiency requirements, the structural performance of the regenerator, and the system pressure drop. 6.3.4.2 The regenerator should prefer to use regular materials such as honeycomb ceramics and combined ceramics. 6.3.4.3 When the exhaust gas contains silicone, protective measures should be taken to avoid or slow down the blockage and performance degradation of the heat storage body. 6.3.4.4 The uniform distribution of airflow in the regenerator shall be achieved by optimizing the structure of the regenerator and the landfill method. 6.3.4.5 The regenerator support (grate) shall be made of high-strength, corrosion-resistant and temperature-resistant materials. 6.3.4.6 The specific heat capacity of the regenerator should not be less than 750J/(kg·K), can withstand high temperature impact of 1200℃ in a short time, and the service life should not be less than 40,000h. 6.3.4.7 The cross-sectional wind speed of the regenerator should not be greater than 2m/s. 6.3.5 Burner 6.3.5.1 The burner shall be configured according to factors such as the type of auxiliary fuel, the st......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of HJ 1093-2020_English be delivered?Answer: Upon your order, we will start to translate HJ 1093-2020_English as soon as possible, and keep you informed of the progress. 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