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Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. HJ 2012-2012: Technical specifications for bag filters of municipal solid waste incineration Status: Valid
Basic dataStandard ID: HJ 2012-2012 (HJ2012-2012)Description (Translated English): Technical specifications for bag filters of municipal solid waste incineration Sector / Industry: Environmental Protection Industry Standard Classification of Chinese Standard: Z68 Classification of International Standard: 13.030.40 Word Count Estimation: 18,199 Quoted Standard: GB 150; GB 2893; GB 2894; GB 4053; GB 4064; GB 5083; GB 8958; GB 12801; GB 18485; GB 50029; GB 50034; GB 50052; GB 50054; GB 50057; GB 50217; GB 50231; GB 50236; GBJ 16; GBZ 1; GBZ 2; GB/T 4200; GB/T 6719; GB/T 16157; HJ/T 284; HJ/T 324; HJ/T 325; HJ/T 32 Regulation (derived from): Department of Environmental Protection Notice No. 21 of 2012; Issuing agency(ies): Ministry of Ecology and Environment Summary: This standard specifies the garbage incinerator flue dust bag system design, construction, commissioning, commissioning and operation and maintenance and other technical requirements. This standard applies to garbage incinerator flue dust bag works, such HJ 2012-2012: Technical specifications for bag filters of municipal solid waste incineration---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 bag filters of municipal solid waste incineration National Environmental Protection Standard of the People's Republic Technical specification for garbage incineration bag type dust removal engineering Published on.2012-03-19 2012-06-01 Implementation Ministry of Environmental Protection released ContentForeword..III 1 Scope 1 2 Normative references 1 3 Terms and Definitions..2 4 pollutants and pollution load..2 5 General requirements 3 5.1 General Provisions 3 5.2 Dust removal system composition. 4 5.3 General layout. 4 6 Process Design 4 6.1 General requirements 4 6.2 System Design 4 7 Main process equipment and materials.5 7.1 Bag type dust collector design and selection..5 7.2 Bag filter material, filter bag and filter bag frame.7 7.3 Bag type dust collector cleaning device.7 8 Detection and Process Control 8 8.1 Detection..8 8.2 Control..9 9 Major auxiliary projects.9 9.1 Power supply and distribution.9 9.2 Compressed air supply system 10 10 Labor Safety and Occupational Health 11 11 Construction and acceptance.11 11.1 Dust removal system installation 11 11.2 Dust removal system commissioning 13 11.3 Dust collector leak detection and pre-coating ash 14 11.4 Project Acceptance and Environmental Acceptance 15 12 Operation and maintenance.16 12.1 General Provisions. 16 12.2 Start of dust removal system..16 12.3 Dust removal system operation 17 12.4 Dust removal system shutdown operation.17 12.5 Inspection and maintenance of dust removal system after shutdown..18 Appendix A ..19ForewordTo implement the Environmental Protection Law of the People's Republic of China, the Law of the People's Republic of China on Prevention and Control of Atmospheric Pollution, and Law of the People's Republic of China on the Prevention and Control of Environmental Pollution by Solid Wastes and the Standards for Pollution Control of Domestic Waste Incineration, Specification Design, construction, operation and maintenance management of bag dust removal system for domestic waste incinerator, prevention and control of domestic waste incineration This standard is formulated for smoke pollution, environmental protection and human health. This standard specifies the design, construction, operation, management and other technologies of the baghouse dust removal system for domestic waste incinerators. Claim. This standard is the first release. This standard was formulated by the Science and Technology Standards Department of the Ministry of Environmental Protection. This standard is mainly drafted by. Sinosteel Tiancheng Environmental Protection Technology Co., Ltd. This standard was approved by the Ministry of Environmental Protection on March 19,.2012. This standard has been implemented since June 1,.2012. This standard is explained by the Ministry of Environmental Protection. Technical specification for garbage incineration bag type dust removal engineering1 Scope of applicationThis standard specifies the design, construction, commissioning, acceptance and acceptance of the flue gas bag type dust removal system for domestic waste incinerators. Technical requirements for operation and maintenance. This standard is applicable to the dust bag type dust removal project of domestic waste incinerator, which can be used as the environmental impact assessment of such projects. Price, feasibility study, design, construction, installation engineering acceptance, environmental protection acceptance and operation management, etc. Technical basis. Other solid waste incinerator flue gas bag type dust removal works can be implemented.2 Normative referencesThe contents of this standard refer to the terms in the following documents. Valid versions of undated references Applicable to this standard. GB 150 steel pressure vessel GB 2893 security color GB 2894 safety signs and guidelines for their use GB 4053 Fixed Steel Ladder and Platform Safety Requirements GB 4064 Safety Design Guidelines for Electrical Equipment GB 5083 General safety and hygiene design of production equipment GB 8958 Safety Regulations for Hazardous Oxygen Operation General rules for safety and health requirements of GB 12801 production process GB 18485 Domestic garbage incineration pollution control standard GB 50029 compressed air station design specification GB 50034 Architectural Lighting Design Standard GB 50052 design specification for power distribution system GB 50054 Low Voltage Distribution Design Specification GB 50057 lightning protection design code for buildings GB 50217 Power Engineering Cable Design Specification General specification for construction and acceptance of GB 50231 mechanical equipment installation engineering GB 50236 Field equipment, industrial pipeline welding engineering construction and acceptance specifications GB J 16 Building Design Fire Code GBZ 1 industrial enterprise design hygiene standard GBZ 2 Industrial site harmful factors occupational exposure limit GB/T 4200 high temperature operation classification Technical requirements for GB/T 6719 bag filter GB/T 16157 Determination of particulate matter in fixed pollution source exhaust gas and sampling method of gaseous pollutants HJ/T 284 environmental protection product technical requirements electromagnetic pulse valve for bag filter HJ/T 324 Environmental Protection Products Technical Requirements Bag Filters HJ/T 325 environmental protection product technical requirements bag filter bag frame HJ/T 327 environmental protection product technical requirements bag filter bag JB/T 8471 bag filter installation technical requirements and acceptance specifications Regulations on Environmental Protection Management of Construction Projects (Order No. 253 of the State Council [1998]) Measures for the Administration of Environmental Protection Acceptance for Completion of Construction Projects (formerly State Environmental Protection Administration [2001] Order No. 13)3 Terms and definitionsThe following terms and definitions apply to this standard. 3.1 Pre-coating pre-coating Before the bag filter is put into operation, a certain amount of alkaline dust such as slaked lime powder is preset on the surface of the filter bag. 3.2 Fluorescent Leak Detection Refers to the process of using the phosphor and the violet light to detect the leak point of the bag filter. 3.3 Deacidification deacidification It refers to the removal of acid gases such as hydrogen chloride, hydrogen fluoride and sulfur oxides in the flue gas.4 Contaminants and pollution loads4.1 The main function of the bag dust removal system is to capture particulate matter in the flue gas. The design of the dust removal project should be mastered The smoke inlet parameters and types, quantities and composition of the pollutants, including. the amount of smoke (working conditions and standard conditions), Flue gas pressure and fluctuation range, flue gas temperature and fluctuation range (highest temperature of flue gas, minimum temperature of flue gas and normal Operating temperature), acid dew point temperature, moisture content, flue gas dust concentration, and hydrogen chloride, hydrogen fluoride, sulfur oxidation The concentration of matter, nitrogen oxides, oxygen, and the like. The inlet flue gas parameters based on the design of the precipitator are detailed in Appendix A. 4.2 The pollutant load of incineration flue gas can be determined by process calculation, testing or analogy. 4.3 Before the flue gas enters the dust collector, it should be deacidified first. The acid gas concentration after deacidification should meet the requirements of GB 18485. Requirements. 4.4 Dust removal engineering design should be based on the removal process of other pollutant components in the flue gas of the incinerator. 4.5 The calculation of the amount of flue gas treated by the dust collector should consider temperature regulation, humidification, deacidification, activated carbon and other adsorbent sprays. Changes in the amount of smoke caused by the influx should also take into account changes in the amount of smoke caused by the incinerator's overload operation. 4.6 Dust collector treatment of flue gas volume with working condition flow meter, if it is the flow under standard condition, it should be converted according to formula (1) For working condition flow. 1 PT TPQQ = .(1) In the formula. Q0--the flow rate of flue gas under standard conditions, Nm3/h; P0--standard atmospheric pressure, 101.325kPa; T0--value 273.15K; Q1--fluid gas flow, m3/h; P1--fluid working pressure, Pa; T1--flue working temperature, k.5 General requirements5.1 General provisions 5.1.1 The design, construction and operation of the dust removal system shall meet the relevant national, local laws, regulations, technical standards and The provisions of the emission standards. 5.1.2 The dust removal project shall be designed, constructed and operated simultaneously with the main body of the incineration. 5.1.3 Dust removal system and equipment operation, maintenance and overhaul shall not affect the normal and stable operation of the incinerator. 5.1.4 The dust emission limit after dust removal should meet the requirements of GB 18485. 5.1.5 Exhaust gas, waste water, waste residue, noise and other processes generated during the construction, operation and maintenance of the dust removal system The control and discharge of pollutants shall comply with the relevant provisions of national environmental protection laws, regulations and standards, and prevent Secondary pollution. 5.1.6 Dust collected by the dust removal system and the replacement filter bag are hazardous wastes, and their treatment and disposal should be in accordance with the national phase. Regulations and standards. 5.2 Dust removal system 5.2.1 The dust removal system configuration and function should be based on furnace type, incineration amount, furnace condition, garbage composition, auxiliary fuel composition, The specific conditions of the pre-contaminant removal process, flue gas working conditions, meteorological conditions, operation and maintenance management are designed. 5.2.2 Dust removal systems generally include. bag filters, flue and valves, pre-ashing devices, ash discharge and ash loading Installation, insulation and heat tracing devices, compressed air supply systems, inspection and process control systems, power distribution systems, etc. 5.3 General layout 5.3.1 The relative position of the main equipment of the dust removal project and the arrangement of the main pipelines shall comply with the overall plan of the incineration plant. Requirements for the general layout of the incineration plant. 5.3.2 Dust removal engineering design should consider the laying of underground pipelines in the incineration plant, water, electricity, gas, steam interface and other factors. 5.3.3 Dust removal works should have sufficient access passages, installation space and transport passages. 5.3.4 The dust collector and its supporting equipment should be arranged indoors.6 Process design6.1 General requirements 6.1.1 A waste incineration plant consisting of multiple incinerators shall be equipped with a separate baghouse for each waste incinerator. System. 6.1.2 Bag type dust removal system is suitable for dry and semi-dry flue gas purification process, and the dust collector should be arranged in the deacidification device. after that. 6.1.3 The parameters such as air volume and resistance of the dust removal system shall be determined according to the maximum working condition. 6.1.4 The operating temperature of the precipitator shall be designed according to the flue gas temperature after the deacidification process, generally ≥ 145 ° C, and It should not be higher than the maximum temperature limit for continuous use of the filter material. The operating temperature of the precipitator should be higher than the acid dew point temperature of 20 ° C on. 6.1.5 Selection and selection of dust filter bags, anti-corrosion coatings, paints, structural materials, accessories, components, etc. The maximum operating temperature and the minimum operating temperature should be considered together. 6.1.6 Externally disposed dust collectors shall be strengthened with measures such as heat preservation, heat tracing, wind protection, snow prevention and waterproofing. 6.2 System Design 6.2.1 The bag filter should be pulsed and cleaned. 6.2.2 The filter speed of the bag filter should be based on the physical and chemical properties of the flue gas and dust, the dust concentration at the inlet of the dust collector and The characteristics of the filter material are determined to be ≤0.9m/min. 6.2.3 The dust collector should be operated within the resistance range of 1300Pa to.2000Pa. 6.2.4 Non-metallic compensators shall be installed in the inlet and outlet flue of the dust collector. 6.2.5 Dust removal system flue wind speed should be designed from 12m/s to 16m/s. 6.2.6 The setting of the flue test holes before and after the precipitator shall comply with the provisions of GB/T 16157. 6.2.7 The ash conveying system should adopt the mechanical ash conveying method. 6.2.8 The ash discharge and ash conveying equipment should be tight to avoid dust leakage; continuous working mode should be adopted to avoid ash bucket accumulation. gray. 6.2.9 Dust hopper, ash discharge and ash conveying equipment should prevent dust moisture absorption and compaction, and electricity or steam should be used as heat. Source of heat tracing device. 6.2.10 Dust collectors, flue pipes and steam pipes shall be insulated and externally decorated, and the thickness of the insulation layer shall be not less than 100 mm. And to ensure that the external temperature is not higher than 60 ° C. 6.2.11 The necessary lighting, ladders, platforms, etc. shall be provided for the operation, maintenance and hole-measuring parts of the dust removal system and equipment. railing. The position of the hole should be close to the power socket. 6.2.12 Lifting device should be installed at the top of the dust collector. The lifting weight is not less than the maximum weight of the service parts.7 Main process equipment and materials7.1 Design and selection of bag filter 7.1.1 The filter area of the bag filter is calculated according to formula (2). QS = (2) In the formula. S--filtration area, m2; Q--the maximum working condition of flue gas, m3/h; V--filtration speed, m/min. 7.1.2 The dust collector should be provided with several independent filtering chambers, the number of which should not be less than 4. Each filter chamber enters, The switch should be equipped with a switching valve. The filter chamber can be arranged in a single row or in a double row, depending on the number of chambers and the total level The layout requirements are determined. 7.1.3 The dust collector should be cleaned by online cleaning; if offline cleaning is used, the filter area of the dust collector and the filtering wind speed And the determination of the running resistance should consider the effect of the reduction of the filtration area when the cleaning chamber is closed. 7.1.4 The dust collector should be able to isolate any filter chamber for inspection and maintenance without stopping the incinerator. 7.1.5 Switching valves should be reliable, flexible and rigorous, and the air leakage rate should be less than 1%. The valve plate should have good rigidity. No deformation, no jamming. It should have automatic and manual operation, valve position identification and flow direction indication. 7.1.6 The air leakage rate of the dust collector should be ≤ 2%. 7.1.7 The inside of the dust collector body should be smooth and flat, and the inner side of the corner of the box board should be made into an arc shape to avoid the box memory. In a place that is heavily dusty. 7.1.8 The structure of the dust collector should be such that the filter bag can be easily replaced. 7.1.9 The dust collector shall be provided with a flow distribution device to distribute the dusty airflow and prevent it from scouring the filter bag. 7.1.10 Dust collector ash bucket shall be provided with level gauge, arching device, access door, manual flapper valve and ash discharge valve. 7.1.11 The angle between the inclined wall of the ash bucket and the horizontal plane shall not be less than 65°. The inner side of the intersection of the adjacent walls of the ash bucket shall be made Arc shape. The size of the ash discharge ash should be ≥400mm×400mm. 7.1.12 The structure, support and foundation design of the dust collector body shall take into account dead load, live load, maintenance load and seismic load. Etc. and design according to the dangerous combination. Wind filters and snow loads should also be considered for dust collectors placed outdoors. 7.1.13 The compressive strength of the dust collector box structure shall be designed according to the process requirements, and its value shall not be lower than the nameplate of the induced draft fan. 1.2 times the total pressure. 7.1.14 When designing the steel structure of the precipitator, the frame is considered at normal temperature, and the body of the precipitator is considered at 300 °C. 7.1.15 Non-metallic insulation materials shall be added to the joints of the dust collector body and structural members such as brackets and platforms. 7.1.16 The partition between the filter chambers of the precipitator shall be insulated. 7.1.17 The upper case, the middle case, the ash hopper and the inner surface of the flue should be shot blasted (sand) for derusting and derusting. It should be no less than Sa2 21 grade and coated with anti-corrosion materials. The temperature resistance of anti-corrosion materials should be higher than the maximum operation of the precipitator. temperature. 7.1.18 The manhole door and the access door shall be insulated. 7.1.19 The ladder, platform and railing of the dust collector shall comply with the provisions of GB 4053. Ladders, platforms and railings should be provided Skirting board. 7.1.20 The flower board of the dust collector shall be smooth and smooth, and there shall be no defects such as deflection or unevenness. Flower plate flatness The difference is no more than 2/1000 of its length. The deviation between the center of the plate hole and the processing reference line should be ≤1.0mm, and the adjacent flower The center position deviation of the plate hole is less than 0.5 mm. The flower plate aperture deviation is 0 to 0.2 mm. The thickness of the flower board should be ≥6mm. 7.2 Bag filter, filter bag and filter bag frame 7.2.1 Filter media for dust collectors shall comply with the provisions of GB/T 6719 and HJ/T 324. 7.2.2 High temperature and corrosion resistant filter materials such as PTFE should be selected according to the temperature, composition and chemical corrosivity of the flue gas. Glass fiber and so on. 7.2.3 Filter bags for dust collectors shall comply with the provisions of GB/T 6719 and HJ/T 327. 7.2.4 Under normal conditions of filter bag, the damage rate of filter bag should be ≤5% within 2 years of natural life. 7.2.5 The filter bag frame for the dust collector shall comply with the requirements of HJ/T 325. 7.2.6 The filter bag frame shall be made of high temperature r......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of HJ 2012-2012_English be delivered?Answer: Upon your order, we will start to translate HJ 2012-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of HJ 2012-2012_English with my colleagues?Answer: Yes. 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