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Basic dataStandard ID: HJ 178-2018 (HJ178-2018)Description (Translated English): General technical specification of circulating fluidized bed flue gas desulfurization Sector / Industry: Environmental Protection Industry Standard Classification of Chinese Standard: F20 Word Count Estimation: 29,226 Date of Issue: 2018-01-15 Date of Implementation: 2018-05-01 Older Standard (superseded by this standard): HJ/T 178-2005 Regulation (derived from): Ministry of Environmental Protection Bulletin 2018, No. 11 Issuing agency(ies): Ministry of Ecology and Environment HJ 178-2018: General technical specification of circulating fluidized bed flue gas desulfurization---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. Flue gas circulating fluidized bed flue gas desulfurization project General technical specifications General technical specification of circulating fluidized bed flue gas desulfurization 2018-1-15 released 2018-5-1 implementation Ministry of Environmental Protection released People's Republic of China national environmental protection standards Directory 1 scope of application .1 2 Normative references .1 3 Terms and definitions .3 4 pollutants and pollution load .5 5 General Requirements6 Process Design .6 7 major process equipment and materials .10 8 detection and process control .11 9 major auxiliary works .12 10 Occupational Safety and Occupational Health 11 construction and acceptance 13 12 Operation and Maintenance 14 Appendix A (Informative) Absorbent, water quality requirements Appendix B (informative) desulfurization project operation and maintenance management .17ForewordIn order to carry out "Law of the People's Republic of China on Environmental Protection", "Law of the People's Republic of China on Prevention and Control of Atmospheric Pollution" and other laws and regulations, prevention and control ring Pollution, improve the quality of the environment, regulate the flue gas circulating fluidized bed flue gas desulfurization project construction and operation management, the development of this standard. This standard specifies the flue gas circulating fluidized bed flue gas desulfurization project design, construction, acceptance, operation and maintenance of technical requirements. This standard was first released in.2005, this is the first revision. The main content of this revision. - Expand the scope of the applicable industries; - Perfecting and supplementing the general technical requirements applicable to various industries, eliminating the special technical requirements applicable only to the thermal power industry; - According to the technical development, the technical contents of flue gas system and absorption system were mainly adjusted, which supplemented the equipment selection requirements; - According to the requirements of integration of desulphurization and dust removal, add the content of design selection specification of dust remover; - Enrich the operation and maintenance of technical content; - Improve the information appendix. This standard Ministry of Environmental Protection Science and Technology Standards Division revised. This standard is mainly drafted by. China Environmental Protection Industry Association, Fujian Long net Environmental Protection Co., Ltd., Wuhan Kaidi Electric Power Co., Ltd. Limited company, Beijing Institute of Labor Protection. This standard MEP.2018 January 15 approved. This standard since May 1,.2018 implementation. This standard is interpreted by the MEP. General technical specifications for flue gas desulfurization by flue gas circulating fluidized bed method1 scope of applicationThis standard specifies the flue gas circulating fluidized bed flue gas desulfurization project design, construction, acceptance, operation and maintenance of technical requirements. This standard applies to flue gas circulating fluidized bed flue gas desulfurization project can be used as construction project environmental impact assessment, environmental protection facilities Technical basis for calculation, construction, acceptance and operation management. The technical requirements proposed by this standard are general and special requirements to implement the relevant technical specifications of the industry.2 Normative referencesThis standard references the following documents in the terms. For undated references, the effective version applies to this standard. GB 150 pressure vessel GB 912 carbon structural steel and low alloy structural steel hot rolled steel sheet and strip GB 2894 safety signs GB 4053 fixed steel ladders and platform safety requirements GB/T 4272 equipment and pipe insulation technology GB 5083 General safety and health design of production equipment GB/T 5750 drinking water health standards test methods GB/T 6719 bag filter technical requirements GB/T 6920 Determination of water quality - Glass electrode method GB/T 7477 Water quality - Determination of total calcium and EDTA - EDTA titration method Water quality - Determination of ammonium - Distillation and titration Water quality - Determination of chloride - Silver nitrate titration Water quality - Determination of sulfate - Gravimetric method GB 12348 industrial enterprises boundary environmental noise emission standards GB/T 12801 production safety and health requirements General GB 18599 general industrial solid waste storage, disposal site pollution control standards GB/T 19229.2 coal-fired flue gas desulfurization equipment Part 2. coal-fired flue gas dry/semi-dry desulfurization equipment GB/T 19587 gas adsorption BET method for the determination of solid material specific surface area GB/T 27869 electric bag composite dust collector GB 50009 Building structural load specifications GB 50010 Design code for concrete structures GB 50011 Code for seismic design of buildings GB 50013 outdoor water supply design specifications GB 50014 outdoor drainage design specifications GB 50016 architectural design code for fire protection GB 50017 steel structure design specifications GB 50019 Heating, ventilation and air conditioning design specifications GB 50029 compressed air station design specifications GB 50033 architectural lighting design standards GB 50034 industrial lighting design standards GB 50040 Power Machinery Basic Design Specification GB 50052 for power distribution system design specifications GB 50084 automatic sprinkler system design specifications GB 50087 Industrial Enterprise Noise Control Design Code GB 50093 Automatic Instrumentation Engineering Construction and Quality Acceptance Specification GB 50116 automatic fire alarm system design specifications GB 50187 General design of industrial enterprises Seismic Design Code GB 50191 Structure GB 50222 interior design fire protection specifications GB 50231 Mechanical Equipment Installation Engineering Construction and Acceptance Common Specifications GB 50254 Installation of electrical installations low voltage electrical construction and acceptance specifications Specification for Construction and Acceptance of Electrical Lighting Fixtures for Installation of Electrical Installations GB 50300 construction quality acceptance uniform standards GB/T 50655 chemical plant steam system design specifications GB 50755 Steel Construction Project Code Design Code for Roads and Mines Code for Design of Extinguishing Fire Extinguisher GB J 140 GBZ 1 industrial design health standards GBZ 2.1 Occupational exposure limits for hazardous agents in the workplace - Part 1. Chemical hazards GBZ 2.2 Occupational exposure limits for hazardous agents in the workplace - Part 2. Physical factors DL/T 323 Dry Flue Gas Desulfurization Lime for Determination of Activity DL/T 5044 Power Engineering DC system design technical specifications DL/T 5072 thermal power plant insulation paint design specifications DL/T 5121 thermal power plant smoke coal gas pipeline design technical specifications DL/T 5403 thermal power plant flue gas desulfurization project to adjust the trial transport and quality acceptance assessment procedures HJ/T 75 fixed pollution sources flue gas emissions continuous monitoring technical specifications HJ/T 76 fixed pollution source flue gas emissions continuous monitoring system technical requirements and testing methods HJ/T 325 Environmental Protection Products Technical Requirements Bag filter bag frame HJ/T 327 Environmental Protection Products Technical Requirements Bag filter bags HJ 2028 electrostatic precipitator engineering general technical specifications Technical Specification for Operation and Management of HJ 2040 Thermal Power Plant Flue Gas Treatment Facilities JB/T 4735 steel welded pressure vessel JB/T 8470 positive pressure dense phase fly ash pneumatic conveying system JB/T 8532 pulse jet bag filter JB/T 10191 bag filter safety requirements Pulsed jet bag filter with a sub-air box JB/T 11076 desulfurization with a dry dry lime digester JB/T 11646 semi-dry desulfurization equipment dedicated equipment fluidization tank JB/T 12116 desulfurization and denitration with high-pressure reflux water spray gun JC/T 478.1 Building lime test methods - Part 1. Physical test methods JC/T 478.2 Building lime test methods - Part 2. Chemical analysis methods Air transport chutes for the cement industry3 Terms and definitions3.1 flue gas circulating fluidized bed desulfurization process circulating fluidised bed flue gas desulphurization Refers to the use of circulating fluidized bed working principle, the absorbent containing material in the absorption tower to form a fluidized bed cycle, complete absorption Agents and flue gas SO2 and other acid gases (including SO3, HCl, HF, NO2, etc.) reaction to achieve purifying flue gas desulfurization process. 3.2 desulfurization project desulphurization project Refers to the facilities, equipment, components and system integration required to remove the SO2 and other sour gases from the flue gas through the absorbent. 3.3 absorbent absorbent Refers to the chemical reaction to remove SO2 and other acid gases and other substances, usually calcium-based absorbent. 3.4 absorber absorber Refers to the formation of circulating fluidized bed desulfurization project SO2 and other acid gases and other harmful substances in the reaction device. 3.5 By-product Refers to the absorbent and the flue gas SO2 and other acidic gases generated after the reaction of substances. 3.6 desulfurization efficiency desulfurization efficiency Refers to the amount of SO2 removed by the desulfurization project and the amount of SO2 contained in the flue gas without desulfurization, calculated according to formula (1) Desulfurization efficiency = (C1-C2)/C1 × 100% (1) Where. C1 - the concentration of SO2 in the flue gas before desulfurization; C2 - desulfurization flue gas SO2 conversion concentration. 3.7 equivalent molar ratio stoichiometric molar ratio Refers to the consumption of absorbent equivalent mole number and removal of sulfur dioxide (S), sulfur trioxide sulfur (S), hydrogen chloride in chlorine (Cl), The ratio of the equivalent molar equivalents of fluorine (F) and nitrogen (N) in nitrogen dioxide to hydrogen fluoride. Calcium-based absorbent equivalent molar ratio according to equation (2) Count. 0.5 0.5 0.5 () SO SO HCl HF NO Ca OH MMMMM (2) Where. M - equivalent molar ratio; Ca (OH) 2 M - molar amount of Ca (OH) 2 equivalent in absorbent consumed, mol; SO 2 M - number of moles of SO 2 equivalents removed, mol; SO3 M - number of moles of SO3 equivalents removed, mol; HCl M - number of moles of HCI removed, mol; HF M - moles of HF equivalents removed, mol. NO2 M - mole number of NO2 equivalents removed, mol. 3.8 Particles particle Refers to the total suspended particulate matter in the flue gas. 3.9 Pre-collector pre-collector Means disposed upstream of the absorption tower, for the capture of particulate matter in flue gas equipment. 3.10 Desulfurization precipitator collector for desulfurization equipment Refers to the desulfurization project for the removal of flue gas circulating fluidized bed flue gas desulfurization of particulate matter equipment. 3.11 lime digester hydrator Refers to the quick lime powder (CaO) with the right amount of water to produce hydrated lime powder (Ca (OH) 2) equipment. 3.12 empty tower pressure drop empty bed pressure loss Refers to the absorber does not vote material, only the flue gas through the absorption tower, absorption tower inlet and outlet flue gas static pressure difference. 3.13 bed pressure drop Refers to the material in the absorption tower to form a fluidized bed pressure drop. 3.14 Absorption tower pressure drop total pressure loss Refers to the absorption tower material to form a fluidized bed body, through the absorption tower inlet and outlet flue gas static pressure difference, that is, empty tower pressure drop and bed pressure drop Sum.4 pollutants and pollution load4.1 Absorption tower inlet flue gas conditions a) General industry single-stage tower flue gas treatment SO2 concentration (dry basis) should not be higher than 3000mg/m3, sinter industry single-stage tower treatment Flue gas SO2 concentration (dry basis conversion) should not be higher than 4500mg/m3; b) single tower flue gas treatment should not be higher than 1.5 million m3/h (dry basis); c) inlet flue gas temperature should be 90 ℃ ~ 260 ℃. 4.2 flue gas circulating fluidized bed desulfurization main application areas include. power generation boilers, industrial boilers, incinerators and sintering/pellet, reminder Cracking, coking, carbon, carbon black, glass and other furnaces. 4.3 Design of Desulfurization Project for New Project The flue gas design parameters such as flue gas quantity and SO2 concentration should adopt the data under the maximum continuous working condition; Design of desulfurization project of the project The design parameters of flue gas such as flue gas amount and SO2 concentration should be based on the measured value and fully consider the trend of change Determine, or through analogy with similar projects to determine. 4.4 should be based on engineering design needs to collect the physical and chemical properties of flue gas and other raw materials, including the following. a) the amount of flue gas (normal, maximum, minimum); b) flue gas temperature and range (normal, maximum, minimum and dew point temperature); c) gas composition and concentration in flue gas (SO2, NOx, O2, NH3, SO3, HCl, HF, etc); d) smoke particulate matter concentration and composition; e) flue gas pressure, moisture content; f) Equipment and working system for generating pollutants.5 general requirements5.1 General Provisions 5.1.1 The flue gas desulfurization project of the new project should be designed, constructed and put into operation simultaneously with the main project. 5.1.2 desulfurization project layout should be consistent with the factory master plan. Design documents should be submitted according to the content and depth of approval, approval and filing. Desulfurization project construction should be the national project construction procedures. 5.1.3 SO2 emission concentration desulfurization project should meet the national and local emission standards. 5.1.4 desulfurization project design should take full account of fuel, raw materials and the main project load changes to improve the desulfurization process system adaptability and Adjustable. 5.1.5 desulfurization project required water, electricity, gas, steam and other auxiliary media should be provided by the main project. Absorbents and byproducts should be provided Volume device, but also with the main project share. 5.1.6 Desulfurization project design, construction and operation, should take effective noise, noise reduction, greening and other noise reduction measures, noise and vibration control The design should be consistent with the provisions of GB 50087 and GB 50040, factory noise should meet the requirements of GB 12348. 5.1.7 desulfurization by-products should be considered comprehensive utilization. No comprehensive utilization of conditions, the storage, storage and other construction and use should be consistent GB 18599 provisions. 5.1.8 Desulfurization project The automatic continuous monitoring system (CEMS) set up and operation should be consistent with the provisions of HJ/T 75, HJ/T 76 and Local environmental protection department's requirements. 5.1.9 desulfurization project design, construction and operation and maintenance should be consistent with national and industry quality, safety, health, fire and other laws and regulations And the standard rules. 5.2 Engineering composition 5.2.1 flue gas circulating fluidized bed flue gas desulfurization project including process systems, ancillary systems. 5.2.2 The process system includes flue gas system, absorbent preparation and supply system, pre-dedusting system (optional), absorption system, desulfurization and dedusting system System, ash cycle system, process water system, by-product system, compressed air system, heating system. 5.2.3 Auxiliary systems include electrical systems, construction and structures, water supply and drainage, fire alarm and fire fighting systems, heating ventilation and air conditioning, Roads and greenery. 5.3 General layout 5.3.1 desulfurization project layout should be consistent with GB 50187, GB 50016 and the corresponding industry standard requirements. 5.3.2 The general layout of desulfurization project should follow the following principles. a) process layout is reasonable, short flue gas; b) convenient transportation; c) facilitate the construction, is conducive to maintenance and repair; d) rational use of topography and geological conditions; e) make full use of the public facilities in the factory; f) land conservation and intensive, small amount of work, low operating costs; g) Compliance with environmental protection, fire protection, occupational safety and occupational health requirements. 5.3.3 desulfurization project should be arranged in the vicinity of the chimney, depending on the actual plant conditions can be adjusted. 5.3.4 Absorbent discharge and storage sites, by-product storage sites should be arranged on the leeward side of the perennial dominant wind direction. Raw lime warehouse, slaked lime Warehouse (or carbide slag warehouse), byproduct library should be concentrated in the vicinity of the absorption tower. 5.3.5 Desulfurization The design of the road in the project shall meet the requirements of GB J 22 and shall be in accordance with the road design of the main project in the plant. 5.3.6 Desulfurization site drainage should be unified with the main project.6 process design6.1 General Provisions 6.1.1 desulfurization process design should be mature and reliable, safe and stable operation, technical and economical technology, should meet the environmental management Requirements of the premise, give full consideration to long-term operation of desulfurization project reliability and stability. 6.1.2 desulfurization process parameters should be based on emission requirements, flue gas characteristics, operating requirements, fuel/raw material quality, absorbent supply, water quality And other factors, determined by a comprehensive analysis and optimization. 6.1.3 According to the nature of flue gas, operating conditions, the amount of flue gas and the main project on the desulfurization project requirements, desulfurization project configuration options A machine a tower, a multi-tower, a multi-tower machine. 6.1.4 desulfurization project design desulfurization efficiency should be based on national and local emission standards to determine the requirements. 6.1.5 desulfurization project should be set for the operation, testing, inspection, maintenance platform and escalator, and in line with the requirements of GB 4053. 6.2 process Flue gas circulating fluidized bed desulfurization process shown in Figure 1. Figure 1 flue gas circulating fluidized bed ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of HJ 178-2018_English be delivered?Answer: Upon your order, we will start to translate HJ 178-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of HJ 178-2018_English with my colleagues?Answer: Yes. The purchased PDF of HJ 178-2018_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. 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