HJ 2306-2018 English PDFUS$439.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. HJ 2306-2018: Guideline on available techniques of pollution prevention and control for coking chemical industry Status: Valid
Basic dataStandard ID: HJ 2306-2018 (HJ2306-2018)Description (Translated English): Guideline on available techniques of pollution prevention and control for coking chemical industry Sector / Industry: Environmental Protection Industry Standard Word Count Estimation: 19,177 Date of Issue: 2018-12-29 Date of Implementation: 2019-03-01 Regulation (derived from): Ministry of Ecology and Environment Announcement No. 77 of 2018 Issuing agency(ies): Ministry of Ecology and Environment HJ 2306-2018: Guideline on available techniques of pollution prevention and control for coking chemical 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. Guideline on available techniques of pollution prevention and control for coking chemical industry i National Environmental Protection Standard Technical guide for viable chemical industry pollution prevention and control Guideline on available techniques of pollution prevention And control for coking chemical industry Published on.2018-12-29 2019-03-01 Implementation Ministry of Ecology and Environment released ContentForeword...ii 1 Scope...1 2 Normative references...1 3 Terms and Definitions...1 4 Industry production and the generation of pollutants... 2 5 Possible technologies for pollution prevention and control...4 6 Advanced and feasible technologies for pollution prevention and control...14 Appendix A (informative appendix) typical coking chemical process and pollutant generation nodes...15ForewordTo implement the "Environmental Protection Law of the People's Republic of China", "Water Pollution Control Law of the People's Republic of China" The Law on Prevention and Control, etc., to prevent and control environmental pollution, improve environmental quality, and promote technological progress in pollution prevention and control of the coking chemical industry, and develop this standard. This standard proposes a feasible technology for the control of waste gas, wastewater, solid waste and noise pollution in the coking chemical industry. Appendix A of this standard is an informative annex. This standard is the first release. This standard is organized by the Department of Science and Technology and the Department of Regulations and Standards. This standard was drafted. Environmental Engineering Evaluation Center of the Ministry of Environmental Protection, China Metallurgical Engineering Co., Ltd., China Metallurgical Construction Research Institute Co., Ltd., Institute of Process Engineering, Chinese Academy of Sciences, Hebei Zhonglian Energy Environmental Protection Technology Co., Ltd., Shanxi Jinhuan Keyuan Environmental Resources Division Technology Co., Ltd., China Coking Industry Association. This standard was approved by the Ministry of Ecology and Environment on December 29,.2018. This standard has been implemented since March 01,.2019. This standard is explained by the Ministry of Ecology and Environment.1 Coking chemical industry pollution prevention and control feasible technical guide1 Scope of applicationThis standard proposes feasible technologies for the prevention and control of waste gas, wastewater, solid waste and noise pollution in coking chemical industry enterprises and advanced pollution prevention and control. Line technology. This standard can be used as environmental impact assessment for construction projects of coking chemical industrial enterprises, revision and revision of national pollutant discharge standards, and discharge permit management. References for the selection of rational and pollution prevention technologies.2 Normative referencesThis standard refers to the following documents or their terms. For undated references, the valid version applies to this standard. GB 5085 Hazardous Waste Identification Standard GB 16171-2012 Coking chemical industry pollutant discharge standards GB 18597 Hazardous Waste Storage Pollution Control Standard GB 18599 General industrial solid waste storage and disposal site pollution control standards GB 34330 General rules for the identification of solid waste National Directory of Hazardous Wastes (Order No. 39 of the Ministry of Environmental Protection)3 Terms and definitionsThe following terms and definitions apply to this standard. 3.1 Coking chemical industry coking chemical industry The coking coal is mixed according to the production process and product requirements, and then placed in a closed coke oven insulated from air, and subjected to high, medium and low temperature dry distillation. It is a general term for the production process of coke, coke oven gas and chemical products. The types of coke ovens in the coking chemical industry include conventional coke ovens, heat recovery coke ovens, Three kinds of semi-coke (blue carbon) carbonization furnace. 3.2 feasible techniques of pollution prevention and control According to the environmental demand and economic level in a certain period of China, pollution prevention technology and pollution control technology are comprehensively adopted in the pollution prevention and control process. Surgery and environmental management measures to make pollutant emissions stable to meet the national coking chemical industry pollutant discharge standards, scale application technology. 3.3 advanced available techniques for pollution prevention and control At least one major pollutant emission in the feasible technology for pollution prevention and control is stable lower than the national pollutant discharge chemical industry standard 70% worth of technology. 23.4 Conventional machine coke oven machine-coke oven The carbonization chamber and the combustion chamber are separated, and the coking coal is insulated and indirectly heated to be coke, and is provided with gas purification and chemical product recovery. Production equipment. The coal charging method is divided into top loading and tamping side loading. 3.5 heat recovery coke oven thermal-recovery stamping mechanical coke oven Coke oven carbonization chamber micro-negative pressure operation, mechanized tamping, coal charging, coking, recycling and coke combustion exhaust gas waste heat in one coke The production unit is divided into a horizontal furnace and a vertical furnace to produce casting coke. 3.6 Semi-coke (blue carbon) carbonization furnace semi-coke oven Using non-stick coal, weakly-viscous coal, long-flame coal, etc. as raw materials, low-temperature dry distillation at a carbonization temperature of 750 ° C or lower to produce semi-coke (blue charcoal) Main production equipment. The heating method is divided into internal heat type and external heat type.4 Industry production and generation of pollutants4.1 Conventional machine coke oven 4.1.1 Production process Coking coal is produced by high-temperature dry distillation to produce coke, and by-product coke oven gas is purified to recover tar, crude benzene, ammonium sulfate and other chemical products, usually Including coal preparation, coking, quenching, coke treatment, gas purification and other production units. Among them, the coal preparation unit includes clean coal storage, broken (powder), In the transportation and other links, the coking unit includes coal charging, push coke, and coke oven heating. The quenching unit includes dry quenching or wet quenching, and the coke The processing unit includes coke granules, sieving, transfer, storage, etc. The gas purification unit includes cold drum, desulfurization, deamination, and debenzene removal. And tar storage tanks, benzene storage tanks and other facilities. 4.1.2 Generation of exhaust pollutants Exhaust gas is mainly produced in various production units. Among them, the coal preparation and coke processing units mainly produce particulate matter; the coke oven heating process mainly produces particles. Granules, sulfur dioxide (SO2), nitrogen oxides (NOx), NOx production concentration is generally 300 ~ 1500 mg/m3; coal loading, push coke, dry method Quenching and other aspects mainly produce particulate matter; the cold drum and tar storage tanks mainly produce benzo[a]pyrene, hydrogen cyanide, phenols, non-methane total hydrocarbons, Ammonia, hydrogen sulfide, etc., benzene storage tank mainly produces benzene, non-methane total hydrocarbons, etc.; desulfurization regeneration facilities mainly produce ammonia, hydrogen sulfide; ammonium sulfate drying facilities It mainly produces particulate matter and ammonia. 4.1.3 Production of wastewater contaminants The waste water is mainly produced in the gas purification unit, including residual ammonia water, crude benzene separation water, gas water seal water, final cold discharge sewage, etc. The dyeing factors are suspended solids (SS), chemical oxygen demand (CODCr), ammonia nitrogen, five-day biochemical oxygen demand (BOD5), total nitrogen, total phosphorus, and stone. Oils, volatile phenols, sulfides, cyanides, etc. 4.1.4 Production of solid waste Solid waste is mainly produced in various production units. Among them, the coal preparation, coking, quenching and coke processing units mainly produce dust ash and waste minerals. 3 oil and mineral oil-containing waste, waste activated carbon, etc.; gas purification unit cold drum link mainly produces tar residue, desulfurization link (wet oxidation method) main In order to produce desulfurization waste liquid, the ammonium sulfate facility mainly produces acid tar, the ammonia distillation facility mainly produces evaporated ammonia residue, and the debenzene removal process mainly produces washing oil regeneration. Slag, wastewater treatment mainly produces sludge and the like. 4.1.5 Noise generation The noise is mainly generated in various production units, including pulverizers, vibrating screens, dust removal fans, blowers, CDQ circulating fans, steam turbines, Generators, CDQ waste heat boilers and pumps. 4.2 Heat recovery coke oven 4.2.1 Production process The coking coal is produced by high-temperature dry distillation to produce coke, and the by-product coke oven gas is burned in the furnace, and the heat energy of the combustion exhaust gas is recovered, including coal preparation and refining. Production units such as coke, quenching, and coke processing. Among them, the coal preparation unit includes clean coal storage, broken (powder) crushing, transportation and other links, coking unit package Including coal, push coke, coke oven heating, etc., the quenching unit includes dry quenching or wet quenching, and the coke processing unit includes coke granules, Screening, transshipment, storage and other aspects. 4.2.2 Generation of exhaust pollutants Exhaust gas is mainly produced in various production units. Among them, the coal preparation and coke processing units mainly produce particulate matter; the coke oven heating process mainly produces particles. Granular matter, SO2, NOx; coal, push coke, dry quenching and other aspects mainly produce particulate matter. 4.2.3 Production of wastewater contaminants The heat recovery coke oven has no gas purification unit and does not produce phenol cyanide wastewater. 4.2.4 Production of solid waste Solid waste is mainly produced in various production units. The coal preparation, coking, quenching and coke processing units mainly produce dust ash, waste mineral oil and Mineral oil waste, etc. 4.2.5 Noise generation The noise is mainly generated in various production units, including pulverizers, vibrating screens, dust removal fans, flue gas induced draft fans, waste heat boilers, steam turbines and Generators and other facilities. 4.3 Semi-coke (blue carbon) carbonization furnace 4.3.1 Production process Production of semi-coke (blue charcoal) by medium-low temperature dry distillation of bulk non-stick coal, weakly-viscous coal, long-flame coal, etc., recovery of tar after purification of by-product gas And other chemical products, including coal preparation, carbonization, coke treatment, gas purification and other production units. Among them, the coal preparation unit includes coal storage, screening, and transfer. In the transportation and other links, the carbonization unit includes carbonization furnace heating, coal charging, coke removal, etc. The coke processing unit includes screening, transportation, storage and other links. The gas purification unit includes facilities such as a cold drum and a tar storage tank. 44.3.2 Generation of exhaust pollutants Exhaust gas is mainly produced in various production units. Among them, the coal preparation, carbonization and coke processing units mainly produce particulate matter; the gas purification unit is cold. The drum and tar storage tanks mainly produce benzo[a]pyrene, hydrogen cyanide, phenols, non-methane total hydrocarbons, ammonia, hydrogen sulfide and the like. 4.3.3 Production of wastewater contaminants The wastewater is mainly produced in the gas purification unit, including residual ammonia water, gas condensate, etc. The main pollution factors are SS, CODCr, ammonia. Nitrogen, BOD5, total nitrogen, total phosphorus, petroleum, volatile phenol, sulfide, cyanide, etc. 4.3.4 Production of solid waste Solid waste is mainly produced in various production units. Among them, the coal preparation, carbonization and coke processing units mainly produce dust ash, waste mineral oil and Mineral oil waste, etc.; the gas drum unit mainly produces tar residue. 4.3.5 Noise generation The noise is mainly generated in various production units, including vibrating screens, various types of fans, pumps and other facilities.5 Possible technologies for pollution prevention and control5.1 Pollution Prevention Technology 5.1.1 Sealing technology for coal loading vehicles This technology is suitable for top loading conventional machine coke oven loading. The coal loading vehicle is provided with a double guide sleeve, between the inner jacket, between the jacket and the coal charging seat The special sealing structure is adopted to reduce the unorganized emission of coal-filled flue gas. 5.1.2 High pressure ammonia injection technology This technology is suitable for the loading of coal in conventional coke ovens. Spraying high-pressure ammonia water at the bridge to form an ejector, creating a pressure difference, and partially charging the coal The dust is introduced into the gas collecting pipe to reduce the unorganized discharge of the coal-filled flue gas. 5.1.3 Smoke guiding technology This technology is suitable for the loading of coal in conventional coke ovens. A smoke guiding device is installed at the top of the coke oven, and the carbonization chamber of the carbonization chamber is being operated. Into the adjacent carbonization chamber, reduce the unorganized emission of coal-filled flue gas. This technology can be used in conjunction with high pressure ammonia injection technology. 5.1.4 Single hole carbonization chamber pressure regulation technology This technology is suitable for the loading of coal in conventional coke ovens. A gas flow automatic adjusting device is arranged at the bridge between the riser pipe and the gas collecting pipe, During the process of coal charging and coking, the pressure of the carbonization chamber is stabilized by adjusting the flow section of the waste gas entering the gas collecting pipe in the single carbonization chamber, and the furnace door is reduced. There is no tissue emission of exhaust gas at the coal filling hole. This technology can be used alone or in combination with high pressure ammonia injection technology. 55.1.5 Segment (multi-section) heating technology This technology is suitable for the heating of new conventional coke ovens. Supplying gas or air into the vertical fire section of the coke oven combustion chamber to form multi-point combustion. While achieving uniform heating of the coke oven, the combustion intensity is reduced and the amount of NOx generated is reduced. 5.1.6 Exhaust gas circulation technology This technology is suitable for the heating of conventional coke ovens. The coke oven combustion exhaust gas is returned to the coke oven combustion heating system to reduce the oxygen content and accelerate Air flow rate, lengthen the flame, reduce the temperature of the fire channel, and reduce the amount of NOx generated. The technology is divided into two types. exhaust gas circulation and external smoke recirculation. The process wherein the external flue gas backing is suitable for a coke oven heated with coke oven gas. 5.1.7 Pressure Balance Technology This technology is applicable to conventional machine coke oven gas purification units (except for facilities such as desulfurization regeneration). Use the pipeline to store the gas purification unit The discharge port of the tank and equipment is connected with the negative pressure gas pipeline, and the system pressure is adjusted by filling with nitrogen gas. The whole system should be in The pressure difference of the ambient pressure difference is -150~-50 Pa, and the relevant release air is introduced into the gas pipeline before the gas blower to avoid the discharge of the exhaust gas. Safety and risk prevention and anti-corrosion work should be done with this technology. 5.1.8 Micro-negative pressure coking technology This technology is suitable for heat recovery coke ovens. Suction is generated by a fan or chimney, and the flue gas system before the carbonization chamber and the waste heat boiler is always maintained. It is in a state of slight negative pressure (-50~-30 Pa), which reduces the unorganized emission of the coke oven body. 5.1.9 Double chamber double gate feeding technology This technology is suitable for the coal loading of semi-coke (blue carbon) carbonization furnace. In the process of loading coal in the semi-coke (blue carbon) carbonization furnace, by switching to The upper and lower gates of the feeder reduce the waste gas discharge from the carbonization furnace. 5.2 Waste gas pollution control technology 5.2.1 Particle management technology a) bag dust removal technology The technology is suitable for coal preparation, coking, quenching and coke processing units. The filtering wind speed is generally controlled below 1.1 m/min, and the dust removal efficiency is one. Generally, it can reach more than 99%, and the concentration of particulate matter is not more than 30 mg/m3. With the membrane filter, the filtration speed is generally controlled below 0.8 m/min. The concentration of particulate matter is not more than 10 mg/m3; the life of the filter bag is generally 1 to 2 years. In order to prevent the adhesion of viscous components such as tar in the exhaust gas of coal loading Filter material, pre-spray the filter material or set the coke adsorption device. b) Combined technology of cyclone dust removal and water washing This technology is suitable for the gas purification unit of the ammonium sulfate drying facility, usually after the water washing tower is equipped with a mist trap to remove droplets. Dust removal efficiency is generally More than 95%, the particulate matter emission concentration is generally not more than 80 mg/m3; ammonia removal rate is generally more than 96%, ammonia emission concentration is generally not large At 30 mg/m3. 5.2.2 Sulfur dioxide treatment technology a) Semi-dry desulfurization technology 6 This technology is suitable for the heating process of coke oven, usually with sodium carbonate, quicklime or slaked lime as desulfurizer, sodium to sulfur ratio, calcium to sulfur ratio Erbi) is generally controlled at 1.1~1.4, and the flue gas temperature is usually kept above 10°C~30°C above the dew point temperature. Desulfurization efficiency is generally more than 80%, The SO2 emission concentration is generally below 30 mg/m3, and the SO2 concentration in the outlet flue gas can be controlled by dynamically adjusting the amount of desulfurizing agent. b) dry desulfurization technology The technology is suitable for the heating process of the coke ov......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of HJ 2306-2018_English be delivered?Answer: Upon your order, we will start to translate HJ 2306-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of HJ 2306-2018_English with my colleagues?Answer: Yes. The purchased PDF of HJ 2306-2018_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay. |
