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Delivery: <= 8 days. True-PDF full-copy in English will be manually translated and delivered via email. HJ 2020-2012: General technical specification for bag flitration engineering Status: Valid
Basic dataStandard ID: HJ 2020-2012 (HJ2020-2012)Description (Translated English): General technical specification for bag flitration engineering Sector / Industry: Environmental Protection Industry Standard Classification of Chinese Standard: Z15 Classification of International Standard: 13.040 Word Count Estimation: 60,620 Quoted Standard: GB 6095; GB 5725; GB 2894; GB 3608; GB 4053.1; GB 4053.2; GB 4053.3; GB 6514; GB 7059; GB 7251; GB 12348; GB 50007; GB 50009; GB 50010; GB 50011; GB 50014; GB 50015; GB 50016; GB 50017; GB 50019; GB 50029; GB 50040; GB 50051; GB 50052; GB 50054; GB 50057; Regulation (derived from): Department of Environmental Protection Notice No. 61 of 2012 Issuing agency(ies): Ministry of Ecology and Environment Summary: This standard specifies the baghouse design, construction and installation, commissioning and acceptance, operation and maintenance of the common technical requirements. This standard applies to all sizes of standard dust bag works as environmental impact HJ 2020-2012: General technical specification for bag flitration engineering---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.General technical specification for bag flitration engineering National Environmental Protection Standard of the People's Republic General technical specifications for bag dust removal engineering 2012-10-17 Approved.2013-1-1 implementation Ministry of Environmental Protection released ContentContent..i Foreword iii 1 Scope..1 2 Normative references..1 3 Terms and Definitions.3 4 Contaminants and pollution loads.4 5 General requirements..5 5.1 General Provisions.5 5.2 General layout 6 6 Process Design..8 6.1 General provisions 8 6.2 Pollution (dust) source control..9 6.3 Dust removal system division..10 6.4 Dust removal pipes and accessories.10 6.5 System Pipeline Resistance Calculation 14 6.6 Bag type dust collector selection.14 6.7 Filter material selection.17 6.8 Dust collector unloading ash and ash conveying 17 6.9 Flue gas cooling. 18 6.10 Fans and motors.19 6.11 Bag type dust removal system air volume adjustment..21 6.12 Chimney (exhaust) ..21 7 Main process equipment and materials.23 7.1 bag filter body..23 7.2 Filter media, filter bags and filter bag frames.24 7.3 Airflow distribution.24 8 Detection and Process Control 25 8.1 General provisions. 25 8.2 Bag Dust Removal System Detection 25 8.3 Automatic control of bag dust removal system.26 9 Major auxiliary projects.27 9.1 Power supply and distribution.27 9.2 Heating, Ventilation and Air Conditioning.28 9.3 Water supply and drainage.29 9.4 Compressed gas.29 9.5 Building and Structure 31 9.6 Painting and Antiseptic 34 9.7 Equipment and pipe insulation.35 9.8 High temperature flue gas pipe expansion compensation.37 9.9 Pipe support and hanger 37 9.10 Noise and vibration isolation. 38 10 Labor Safety and Occupational Health..39 10.1 General Provisions. 39 10.2 Common occupational hazards and protective measures 39 10.3 Fire Fighting Requirements..40 11 Construction and acceptance 41 11.1 General Provisions. 41 11.2 Installation .41 11.3 Debugging.47 11.4 Acceptance..49 12 Operation and Maintenance 50 12.1 General Provisions. 50 12.2 Boot 50 12.3 Running 50 12.4 Shutdown 51 12.5 Inspection and Maintenance. 52 Appendix A (informative appendix) raw data statistics table.54 Appendix B (Normative Appendix) Bag Dust Removal Engineering Design Process. 56 Appendix C (Normative Appendix) System Pipeline Resistance Calculation Procedure.57 Appendix D (Normative Appendix) Bag Dust Collector Selection Steps..58 Appendix E (informative appendix) main performance indicators of filter materials..59 Appendix F (informative appendix) flue gas cooling method and applicable occasions 60 Appendix G (informative appendix) high temperature flue gas cooling design process.61 Appendix H (informative) high temperature flue gas cooling calculation 62 Appendix I (Normative Appendix) Calculation of Flue Gas Volume Flow Change..64 Appendix J (Normative Appendix) Fan and Motor Selection Steps 65 Appendix K (informative appendix) bag type dust collector specifications and performance parameters 66 Appendix L (informative appendix) bag filter operation record table.67ForewordIn order to implement the Environmental Protection Law of the People's Republic of China and the Law of the People's Republic of China on the Prevention and Control of Air Pollution, the standard bag type Dust construction and operation management, control dust and fine particle emissions, improve environmental quality, and promote bag dust removal industry technology Progress, develop this standard. This standard specifies the general techniques for design, construction and installation, commissioning and acceptance, operation and maintenance management of bag dust removal engineering. Technical requirements. 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. China Environmental Protection Industry Association, Sinosteel Tiancheng Environmental Protection Technology Co., Ltd. China Academy of Environmental Sciences. This standard was approved by the Ministry of Environmental Protection on October 17,.2012. This standard has been implemented since January 1,.2013. This standard is explained by the Ministry of Environmental Protection. General technical specifications for bag dust removal engineering1 Scope of applicationThis standard specifies the general technical requirements for the design, construction and installation, commissioning and acceptance, operation and maintenance of bag dust removal engineering. begging. This standard is applicable to bag dust removal projects of various scales and can be used as environmental impact assessment, environmental protection facility design and Technical basis for construction, environmental protection acceptance and operation and management after completion. The technical requirements set forth in this standard are versatile, and the specificity requirements can be implemented in the relevant industry's dust removal engineering technical specifications. The electric bag composite dust removal project can be implemented by reference. This standard does not apply to gas purification bag type dust removal works.2 Normative referencesThe contents of this standard refer to the terms in the following documents. For undated references, the valid version applies to this standard. GB 095 seat belt GB 725 safety net GB 2894 safety signs and guidelines for their use GB 3608 high work classification GB 4053.1 Fixed steel straight ladder safety technical conditions GB 4053.2 Fixed steel inclined ladder safety technical conditions GB 4053.3 Fixed industrial protective railings GB 4053.4 fixed industrial steel platform GB 6514 Painting operation safety regulations Painting process safety and ventilation purification GB 7059 portable wooden ladder safety requirements GB 7251 low-voltage switchgear and control equipment GB 12348 Environmental noise emission standards for industrial enterprises GB 50007 Building Foundation Design Specification GB 50009 Building Structure Load Specification GB 50010 concrete structure design specification GB 50011 seismic design code for buildings GB 50014 Outdoor Drainage Design Code GB 50015 Building Water Supply and Drainage Design Code GB 50016 Building Design Fire Code GB 50017 steel structure design specification GB 50019 Heating, Ventilation and Air Conditioning Design Code GB 50029 compressed air station design specification GB 50040 power machine basic design specification GB 50051 chimney design specification GB 50052 design specification for power distribution system GB 50054 Low Voltage Distribution Design Specification GB 50057 lightning protection design code for buildings GB 50131 automated instrument engineering construction quality acceptance specification GB 50168 Electrical installation engineering cable line construction and acceptance specifications GB 50169 Electrical installation engineering grounding device construction and acceptance specifications GB 50171 disk, cabinet and secondary circuit wiring specifications GB 50187 General Plan for Design of Industrial Enterprises GB 50204 Concrete Structure Engineering Construction Quality Acceptance Specification GB 50217 Power Engineering Cable Design Specification GB 50235 Industrial metal pipeline engineering construction and acceptance specifications GB 50236 Field equipment, industrial pipeline welding engineering construction and acceptance specifications GB 50242 Building water supply and drainage and heating construction quality acceptance specification GB 50254 Electrical installation engineering Low-voltage electrical installation and acceptance specifications GB 50259 Electrical installation installation engineering electrical lighting installation construction and acceptance specifications GB 50264 Industrial Equipment and Pipeline Thermal Insulation Engineering Design Specification GB 50270 continuous conveying equipment installation engineering construction and acceptance specifications GB 50275 Compressor, fan, pump installation engineering construction and acceptance specifications GB 50303 Building electrical engineering construction quality acceptance specification GB/T 755 rotary motor rating and performance GB/T 985 gas welding, manual arc welding, gas shielded weld bevel form and size Safety technical regulations for the management, use, inspection and maintenance of GB/T 3787 hand-held power tools GB/T 3805 Extra Low Voltage (ELV) Limit Technical requirements for GB/T 6719 bag filter GB/T 8923 Steel surface corrosion grade and rust removal grade before painting GB/T 14048 low voltage switchgear and control equipment overcurrent protection device GB/T 15605 Dust Explosion Pressure Relief Guide GB/T 16157 Determination of particulate matter in fixed pollution source exhaust gas and sampling method of gaseous pollutants GB/T 50033 Architectural lighting design standard GB/T 50326 Construction project management specification GB J 87 Industrial Enterprise Noise Control Design Specification GB J 140 building fire extinguisher configuration design specification GB J 149 Electrical installation engineering bus assembly construction and acceptance specifications GBZ 1 industrial enterprise design hygiene standard GBZ 2 workplace occupational exposure limit DL/T 5137 Electrical Measurement and Energy Metering Device Design Technical Regulations Overvoltage protection and insulation coordination of DL/T 620 AC electrical installations DL/T 659 thermal power plant decentralized control system acceptance test procedures DL/T 909 positive pressure pneumatic ash conveying system performance acceptance test procedure DL/T 5044 Thermal power plant, substation DC system design technical regulations Design procedure for thermal insulation paint of DL/T 5072 thermal power plant D/T 5121 Thermal Power Plant Tobacco Pulverized Coal Pipeline Design Technical Specification HGJ 229 Industrial equipment pipeline anti-corrosion inspection acceptance specification HJ/T 284 environmental protection product technical requirements electromagnetic pulse valve for bag filter HJ/T 324 environmental protection product technical requirements filter material for bag filter HJ/T 326 environmental protection product technical requirements film filter for bag filter HJ/T 327 environmental protection product technical requirements bag filter bag HJ/T 328 Environmental Protection Products Technical Requirements Pulse Injection Bag Type Dust Collector HJ/T 329 environmental protection product technical requirements rotary blowback bag filter HJ/T 330 Environmental Protection Product Technical Requirements Chamber Backflush Bag Filter HJ/T 397 Fixed Source Exhaust Gas Monitoring Technical Specification JB 10191 Bag Dust Collector Safety Requirements Gas Injection Box for Pulse Injection Bag Type Dust Collector JB/T 5911 electrostatic precipitator welding technical requirements JB/T 5916 electromagnetic pulse valve for bag filter Technical condition of JB/T 5917 filter bag frame for bag filter JB/T 8471 bag filter installation technical requirements and acceptance specifications JB/T 8690 industrial fan noise limit JB/T 10341 filter cartridge dust collector SH 3022 Technical Specifications for Corrosion Protection of Industrial Equipment and Pipeline Coatings Regulations on Quality Management of Construction Projects (Order No. 279 of the State Council) Measures for the Administration of Environmental Protection Acceptance for Completion of Construction Projects (Order No. 13 of the State Environmental Protection Administration)3 Terms and definitionsThe following terms and definitions apply to this standard. 3.1 standard condition Refers to the state where the gas temperature is 273K and the pressure is 101325Pa, which is referred to as "standard state". 3.2 Smoke (dust) dust pollution source smoke and dust pollution sources A part or equipment that produces dusty exhaust gas during production. 3.3 Exhaust air rate exhaust air rate The volumetric flow rate of the working gas discharged from the gas collecting hood (dust collecting hood) or the kiln outlet, in m3/h. 3.4 Capture rate The ratio of the amount of pollutant gas trapped by the gas collecting hood to the amount of polluting gas produced by the production process equipment, in units of %. 3.5 processing air volume disposing air volume The volumetric flow rate of the gas in the working condition of the dust collector, heat exchanger and other equipment, the unit is m3/h. 3.6 system air volume system air volume Bag type dust removal system exhaust fan inlet working condition gas volume flow, reflecting the processing capacity of the bag type dust removal system, the unit is M3/h. 3.7 operating mode air volume operating mode air volume When the bag type dust removal system is in operation, the gas volume flow rate of a certain section or equipment inlet and outlet of the pipeline is in m3/h. 3.8 Filtration speed The apparent velocity of the dust-laden gas through the filter bag in m/min. 3.9 Filtration chamber filtration room A filter unit that enables off-line maintenance. 3.10 pre-coating with ash Before the bag filter is put into operation or after replacing the new filter bag, a certain thickness of dust is preset on the surface of the filter bag. 3.11 offline cleaning off-line cleaning The filtration chamber stops the cleaning in the filtered state. 3.12 Online cleaning on-line cleaning The filtration chamber does not stop the cleaning in the filtered state. 3.13 air current distribution The flow and velocity of the gas after entering the baghouse are distributed and distributed according to design requirements by means of choke and flow guiding devices. Measures. 3.14 composite filter material-filter material A special structure filter material composed of two or more different fibers in a certain proportion. 3.15 pulse width width of electric pulse The duration during which the control system sends an electrical signal to the pulse valve, that is, the duration during which the conductive magnetic valve is energized. 3.16 pulse interval interval of pulse The interval between two adjacent start signals from the control system to the pulse valve. 3.17 high temperature exhaust gas Flue gas with a temperature greater than or equal to 130 °C. 3.18 phosphor leak detection phosphor powder leak hunting Use a phosphor and a violet light to check the leak detection method of the dust collector of the bag filter.4 Contaminants and pollution loads4.1 Contaminants 4.1.1 The bag dust removal process is suitable for the purification of dusty gases under various air volumes. 4.1.2 The use of bag dust removal processes depends on the characteristics of the contaminants. The bag dust removal process should be preferred under the following occasions and requirements. a) Dust emission concentration limit < 30mg/m3 (standard dry exhaust); b) efficient capture of fine particles; c) purification of dusty air; d) purification of flue gas from the kiln; e) Dust has a recycling value and can be comprehensively utilized; f) areas where water resources are scarce or severely cold; g) waste incineration flue gas purification; h) high specific resistance dust or dust concentration fluctuations; i) Gas recycling after purification. 4.1.3 The following occasions can be treated by technical measures. a) The high temperature flue gas is cooled by cooling to meet the continuous working temperature of the filter material; b) Although the moisture content of the flue gas is large, the flue gas is not saturated, and the flue gas temperature is higher than the dew point temperature by 15 ° C or more; c) The smoke contains short-term oil mist, but the bag filter adopts pre-coating powder protection measures; d) Although there are Mars in the smoke, pretreatment measures such as Mars capture have been taken. 4.2 Pollution load 4.2.1 Bag dust removal engineering design should understand the basic conditions and requirements of production technology, equipment, work system, maintenance and repair, etc. The causes, types and physical and chemical properties, quantity and location distribution, emission forms and pathways, and emissions of pollutants generated by pollution sources And the emission intensity, emission law, etc., as the original data of engineering design. 4.2.2 The original data can be collected by referring to Appendix A. The original data should be true and reliable, with test reports and design materials as the mainstay. When the user is unable to provide it, it can be obtained by. a) commission a professional test unit to conduct the test; b) analogy of projects of the same type and size; c) formula calculation combined with engineering experience judgment; d) Simulation test. 4.2.3 Design load and design margin should be based on pollutant characteristics, pollution intensity, emission standards and environmental impact assessment approval The requirements of the pieces are comprehensively determined. 4.2.4 Design load and design margin should fully consider the adaptation of the bagged dust removal system under the maximum and most unfavorable conditions of the pollution load. Sexuality to ensure its stable operation. 4.2.5 Exhaust volume of pollution source, amount of exhaust gas discharged from production equipment, air volume of inlet and outlet of heat exchanger, air volume treated by dust collector, induced wind The air volume should be determined according to the working air volume. Performance tests and test data should be converted to standard conditions.5 General requirements5.1 General provisions 5.1.1 The design and implementation of the bag dust removal project shall comply with the national “three simultaneous”, clean production, circular economy, energy saving and emission reduction policies. Regulations, regulations, standards. 5.1.2 The design of the bag type dust removal project shall be based on the principle of reaching the standard discharge, adopting mature and stable, advanced technology, safe and reliable, and Reasonable craftsmanship and equipment. 5.1.3 Bag dust removal works shall be designed by units with national corresponding design qualifications. 5.1.4 The configuration of bag dust removal should not be lower than the equipment level of production process equipment, and be incorporated into the unified management of production system. Dust removal The system and equipment should be able to adapt to changes in production processes and load fluctuations, and should operate synchronously with the production process equipment. 5.1.5 The function, technical level, configuration, automatic control and detection of bag dust removal system should be related to the production process and management level. Seek to adapt. Technology and equipment that are backward and obsolete must not be used. 5.1.6 The design period of the bag dust removal project should be compatible with the design life of the production process, generally not less than 20 years. 5.1.7 Bag type dust removal engineering design Fire resistance grade and seismic fortification shall meet the requirements of national and industrial design codes and regulations. build The seismic fortification category of (structures) shall be considered in......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of HJ 2020-2012_English be delivered?Answer: Upon your order, we will start to translate HJ 2020-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 5 ~ 8 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of HJ 2020-2012_English with my colleagues?Answer: Yes. 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