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HJ 2039-2014 English PDF

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HJ 2039-2014: Technical specifications for dedusting engineering of thermal power plants
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Basic data

Standard ID: HJ 2039-2014 (HJ2039-2014)
Description (Translated English): Technical specifications for dedusting engineering of thermal power plants
Sector / Industry: Environmental Protection Industry Standard
Classification of Chinese Standard: Z25
Classification of International Standard: 13.040.40
Word Count Estimation: 42,416
Date of Issue: 6/10/2014
Date of Implementation: 9/1/2014
Quoted Standard: GB 2893; GB 2894; GB 4053.1; GB 4053.2; GB 4053.3; GB 4208; GB 7251.1; GB 12348; GB 13223; GB 14048.1; GB 16297; GB 50007; GB 50009; GB 50010; GB 50011; GB 50014; GB 50015; GB 50016; GB 50017; GB 50018; GB 50019; GB 50029; GB 50033; GB 50040; GB 50052; GB
Regulation (derived from): Ministry of Environmental Protection Notice No. 42 of 2014
Issuing agency(ies): Ministry of Ecology and Environment
Summary: This standard specifies thermal power plant smoke (powder) dust governance principles and practices, as well as dust engineering design, construction, inspection, operation and maintenance of technical requirements. This standard applies to coal and coal

HJ 2039-2014: Technical specifications for dedusting engineering of thermal power plants

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Technical specifications for dedusting engineering of thermal power plants People's Republic of China National Environmental Protection Standards Technical Specifications for Thermal Power Plant Dust (release draft) Issued on.2014-06-10 2014-09-01 implementation Issued by the Ministry of Environmental Protection

Table of Contents

Preface ..I 1. Scope .1 2 Normative references .1 3 Terms and definitions 3 4 pollutants and pollution load 4 5 general requirements .5 6 .7 Process Design The main process equipment 7 19 8 detection and process control ..20 9 Main aided engineering 22 10 labor safety, occupational health and fire .25 11 construction and acceptance ..26 Operation and maintenance of 12 ..27 Appendix A (informative) Technical parameters precipitator 31 Annex B (informative) ESP Selection step ..34 Annex C (informative) bag filter selection step .35 Annex D (informative) ESP high voltage power source and compare the characteristics of 36 Annex E (informative) electrostatic precipitator high voltage high frequency power supply 38 Technical Requirements Annex F (informative) ESP boost record table .. 40 Annex G (informative) .41 ESP log table Appendix H (informative) bag filter log table 42 Annex I (normative) Electrostatic Fabric Filter log table 43

Foreword

For the implementation of the "People's Republic of China Environmental Protection Law", "People's Republic of China Air Pollution Prevention Law," Regulation Fan thermal power plant construction and operation management of dust, improve air quality, the development of this standard. This standard specifies thermal power plant dedusting engineering design, construction, inspection, operation and maintenance of technical requirements. This standard is the guiding document. This standard is the first release. This standard is developed by the Ministry of Environmental Protection Science, Technology organization. Drafting of this standard. Beijing Academy of Environmental Sciences, State Power Environmental Protection Research Institute, Tsinghua University, Zhejiang Feida Environmental Science and Technology Co., Ltd., Shandong Aobo Environmental Protection Technology Co., Ltd., Jiangsu environmental protection Shin Co., Fujian Longking Corp. This standard MEP June 10, 2014 for approval. This standard since September 1, 2014 implementation. The standard explanation by the Ministry of Environmental Protection. Technical Specifications for Thermal Power Plant Dust

1 Scope

This standard specifies thermal power plant smoke (powder) dust governance principles and practices, as well as dust engineering design, construction, inspection, Operation and maintenance and other technical requirements. This standard applies to coal and coal gangue power plant removal projects, including boiler flue gas dust removal engineering and unorganized row Discharge process (coal transport, storage, crushing, preparation, ash removal and transport processes such as desulfurization agent) dust works. can As an environmental impact assessment, engineering design and construction, and acceptance of completed construction projects after the completion of operation and management skills Surgery basis. HFO, smoke (powder) dust control and dust removal project of biomass power plants can be implemented by reference.

2 Normative references

The standard content of the following documents cited in the articles. For undated references, the effective version applies to this standard. GB 2158 workplace occupational hazard warning labels GB 2893 Safety colors GB 2894 Safety Signs and use guidelines GB 4053.1 fixed ladders and platforms - Safety requirements - Part 1. Steel ladders GB 4053.2 fixed ladders and platforms - Safety requirements - Part 2. Steel LADDER GB 4053.3 fixed ladders and platforms - Safety requirements - Part 3. Industrial guardrails and steel platform GB 4208 housing protection (IP Code) GB 7251 Low-voltage switchgear and control equipment GB 12348 boundary of industrial enterprises noise emission standards GB 13223 Thermal Power Plant Air Pollutant Emission Standards GB 16297 Air Pollutant Emission Standards GB 50007 Code for design of building foundation GB 50009 building structural load specifications GB 50010 Design of Concrete Structures GB 50011 Seismic Design of Buildings GB 50014 outdoor drainage design specifications GB 50015 Water and Drainage Design Specification GB 50016 architectural design code for fire protection Design of steel structures GB 50017 GB 50018 cold-formed steel specifications GB 50019 Heating, ventilation and air conditioning design GB 50029 air station design specifications GB 50040 dynamic machine foundation design specification GB 50052 power supply and distribution system design specifications GB 50054 low voltage power distribution design specifications GB 50057 Lightning in design GB 50140 Building fire extinguishers configuration design specifications GB 50187 for General graphic design specification GB 50217 electrical engineering design of cables GB 50229 fire protection design of power plants and substations GB 50251 gas pipeline project design specifications GB 50660 and medium-sized power plant design specifications GB/T 3797 Electric Control Equipment GB/T 3859.1 Semiconductor convertors - General requirements and line commutated converters - Part 1-1. Specification of basic requirements GB/T 3859.2 Semiconductor convertors - General requirements and line-commutated converters Part 1-2. Application guide GB/T 5117 non-alloy and fine grain steel electrode GB/T 5118 heat-resistant steel welding rod GB/T 6719 baghouse technology requirements Transformer oil quality GB/T 7595 running GB/T 11352 Carbon steel castings for general engineering purposes GB/T 14048 Low-voltage switchgear and control equipment GB/T 16845 precipitators GB/T 50033 architectural lighting design standards GB J 87 Industrial Enterprise Noise Control Design Specification GB Z 1 Design of Industrial Enterprises hygiene standards GB Z 2.1 Workplace Hazardous Occupational Exposure Limits - Part 1. Chemical hazardous agents GB Z 2.2 Workplace Hazardous Occupational Exposure Limits - Part 2. physical factors DL/T 387 power plant flue gas baghouse Selection Guide DL/T 461 coal-fired power plant operation and maintenance of ESP Guide DL/T 514 ESP Overvoltage protection and insulation coordination DL/T 620 AC electrical installations DL/T 1121 coal-fired power plant boiler flue gas dust bag engineering and technical specifications DL/T 5035 power plant heating, ventilation and air conditioning design technical regulations DL/T 5044 Electric Power Design Engineering Technical specification DC system DL/T 5072 thermal power plant paint design Regulations DL/T 5121 power plant coal smoke wind pipeline design Technical specification DL/T 5137 Technical code for designing electrical measuring devices and energy metering HJ/T 284 for environmental protection product requirements baghouse with electromagnetic pulse valve HJ/T 320 environmental protection product ESP high voltage rectifier power supply HJ/T 321 environmental protection product ESP low voltage control supply HJ/T 324 for environmental protection product requirements baghouse with filter HJ/T 326 for environmental protection product requirements baghouse with a membrane filter media HJ/T 327 for environmental protection product requirements baghouse filter bag HJ/T 328 environmental protection product pulse jet bag filter class HJ/T 329 environmental protection product rotary cleaning bag filter HJ/T 330 environmental protection product sub-room cleaning bag filter class HJ/T 397 stationary source emission monitoring and technical specifications JB 10191 safety requirements for pulse jet bag filter baghouse class with manifold box JB/T 5845 Standard Test Method for High Voltage Electrostatic Precipitator rectifier equipment JB/T 5906 ESP anode plate JB/T 5911 ESP weldment technical requirements JB/T 5913 ESP cathode lines JB/T 5916 baghouse with electromagnetic pulse valve JB/T 5917 Technical condition for baghouse filter bag framework JB/T 6407 ESP design, commissioning, operation, maintenance and safety specifications JB/T 7671 ESP simulation test methods for air distribution JB/T 8471 baghouse technical requirements for installation and acceptance JB/T 8532 pulse jet bag filter class JB/T 8536 ESP technology mechanical installation conditions JB/T within 9535, preservative outdoor electrical products Environmental technical requirements JB/T 9688 ESP with thyristor controlled high voltage power supply JB/T 10341 cartridge filter JB/T 11267 top electromagnetic hammer rapping ESP JB/ZQ 3687 manual arc welding specifications SDZ 019 welding General technical requirements "Acceptance of completed construction projects management approach" (SEPA Order No. 13)

3 Terms and Definitions

Terminology and definitions The following terms and definitions GB/T 16845 apply to this defined standard. 3.1 Dust dust removal engineering works Governance smoke (powder) dust pollution works by the flue dust collector, fan and system auxiliary device components. 3.2 unloading, conveying system ash discharging and transportation system The precipitator dust collected complete sets of equipment delivered to the designated location. 3.3 standard state standard condition Flue gas at a temperature of 273K, pressure of 101.325 kPa when the state, referred to as "standard state." As specified in this standard Concentration of air pollutants refer to dry flue gas values of the standard state. 3.4 Low low low low temperature ESP ESP Low temperature economizer or MGGH ESP inlet flue gas temperature is reduced to below the dew point of acid, the minimum temperature should meet Wet desulphurization system for process temperatures required ESP. 3.5 wet electrostatic precipitator wet ESP Collecting use liquid cleaning electrostatic precipitator. 3.6 Electrostatic Fabric Filter electrostatic-fabric integrated precipitator Electrostatic dust and dust filtration mechanism combined with a composite filter. 3.7 Boiler Maximum Continuous conditions boiler maximum continuous rating Condition boiler maximum continuous evaporation under short BMCR conditions. 3.8 Boilers operating conditions boiler economic continuous rating Economic conditions evaporation under the boiler, steam turbine plant heat rate corresponding to the guarantee conditions, referred BECR conditions.

4 pollutants and pollution load

4.1 Pollutants 4.1.1 Thermal Power Plant smoke (powder) dust, soot and dust including fugitive emissions of boiler combustion process. 4.1.2 The main components of thermal power plant boiler flue gas include. SO2, SO3, NOX, O2, CO2, CO, N2, H2O and tobacco Dust and the like. 4.1.3 The main chemical components of thermal power plant boiler soot include. Na2O, Fe2O3, K2O, SO3, Al2O3, SiO2, CaO, MgO, P2O5, Li2O, TiO2 and the like. 4.1.4 fugitive dust emissions from thermal power plants including coal transport, storage, crushing, preparation and desulfurization agent to ash In addition to the dust produced during transport and the like. 4.2 pollution load 4.2.1 According to the project design needs to be collected dust and gas fired power plant and other physical and chemical properties of raw materials, including. Flue gas volume a) of the boiler (the normal amount, the maximum amount); b) and flue gas temperature variation range (the maximum temperature, normal temperature, dew point temperature); c) dust concentration (concentration of the actual working conditions, standard state, O2 content of 6% of the dry flue gas concentration); d) flue gas components (SO2, SO3, NOX, O2, CO2, CO, H2O, etc.) and concentration; e) the moisture content of the flue gas, the relative humidity; f) the chemical composition of dust (Na2O, Fe2O3, K2O, SO3, Al2O3, SiO2, CaO, MgO, P2O5, Li2O, TiO2, etc.); g) a specific resistance of dust (including laboratory and conditions), particle size, true density, bulk density, adhesion and the like. 4.2.2 has been built boiler installation or retrofit dust removal system design conditions and working conditions should be checked according to the actual entrance of the dust removal system Flue gas measurement parameters and includes the changing trend of fuel. 4.2.3 fugitive emissions of dust load should be based on actual need to set the amount of dust exhaust required. 4.3 dust effects 4.3.1 The concentration of dust emissions shall comply with the provisions of GB 13223. Dust concentration 4.3.2 fugitive emissions shall comply with the provisions of GB 16297.

5 general requirements

5.1 General provisions 5.1.1 flue gas dust removal project 5.1.1.1 Thermal Power Plant should be strengthened and the ratio of fuel management, as far as possible to ensure operation at design conditions to ensure that subsequent precipitator The operating results meet the discharge standards requirements. 5.1.1.2 After the dust removal project should be based on technical and economic comparison of emissions requirements, boilers burning coal and soot characteristics determined Filter type. 5.1.1.3 Dust project should be reasonably configured according to the power production process should not be bypassed. 5.1.1.4 Dust engineering design pressure rating, seismic design should meet national and industry specifications. 5.1.1.5 construction dust, waste water generated during the operation, and prevention of waste and emissions of other pollutants, should implement Implementation of the relevant provisions of existing national environmental regulations, etc., may not produce secondary pollution. 5.1.1.6 Dust engineering design, construction should take measures to reduce noise and effective sound insulation, noise reduction, greening, and noise Vibration should be consistent with GB 50040 GB J 87 and the provisions of the plant boundary noise shall comply with the provisions of GB 12348. 5.1.1.7 thermal power plant flue gas emissions continuous monitoring system should be set up to monitor, and networking with the local environmental protection department. Flue Gas Cleaning Inlet and outlet should be set to manual sampling smoke hole and operating platforms. 5.1.2 fugitive emissions of dust removal project 5.1.2.1 fugitive dust control emissions include dust, fully enclosed, semi-enclosed, enclosure, water spray dust suppression, curing, We should strengthen the daily operation and management. 5.1.2.2 fugitive dust emissions shall comply with the provisions of GB 16297, and should be combined with the requirements of the surrounding landscape, if necessary, to dust Landscaping works. 5.2 flue gas dust removal project general layout 5.2.1 Flue Gas Cleaning Works by flue dust, ash unloaded means fan, flue gas monitoring system, temperature and pressure Detection devices, electrical and control systems and other auxiliary compressed air supply system. 5.2.2 The general layout principles to be followed include. equipment operation and stability, easy management and maintenance, economical, safety and health Wait. The layout should be consistent with the overall dust GB 50660 and GB Z provisions 1, and meet the following requirements. a) the process is reasonable, dust and other main equipment should be arranged as close to the source of pollution; arrangement of the facilities should be smooth, Compact and beautiful; b) the reasonable use of the terrain and geological conditions, and considering the prevailing wind and other atmospheric conditions; c) make full use of the existing plant area utilities and power supply and distribution systems, taking into account the possible need for development; d) transport facilitation, transport flow, to facilitate the construction, operation and maintenance and to consider the impact on the surrounding incidents may cause. 5.2.3 dust elevation site works, drainage and flood control ﹑ shall comply with the provisions of GB 50187. 5.2.4 Equipment should be left between the main dust project sufficient space for installation, maintenance space; convenient transportation. Body set up Peripheral equipment shall be provided with transport routes and fire exits, the fire should be designed to comply with the provisions of GB 50016. Also surrounding the main device It should have a crane or mobile crane working conditions. 5.2.5 General layout should prevent harmful gases, smoke (powder) dust, strong vibrations and high noise surrounding the environment. 5.2.6 New projects should set aside a modest space, to accommodate the need for tighter emission standards. 5.2.7 Project flue dust across the road, when the high-altitude railway laying, the flue should be designed to comply with the provisions of GB 50251, and left Certain surplus height. 5.2.8 Dust project includes rack out of the flue gas, ash pipe, cable bridge and the bracket. Rack arrangement should be consistent The following requirements. a) the basis and the headroom shall not affect the position of transportation, fire protection and maintenance; b) shall not preclude the building natural light and ventilation. 5.2.9 pipe frame and buildings, the minimum horizontal distance between structures should meet the requirements of Table 1. Table minimum horizontal spacing unit and a frame buildings, structures between. m Buildings and structures Name Minimum horizontal pitch Building doors and windows of the outer edge of the wall or the outer edge of the protruding portion 3.0 Building without doors or walls of the outer edge of the outer edge of the protruding portion 1.5 Road 1.0 The outer edge of the sidewalk 0.5 Factory wall (centerline) 1.0 Lighting and communication post (center) 1.0 Note 1. Unless otherwise indicated by the table spacing, the tube rack from the outermost line counting; when urban road type, counting from the edge of the road, for road type, Counting from the edge of the shoulder. Note 2. This table does not apply to low-frame, ground-mounted and building support formula. 5.2.10 pipe rack over railways, roads minimum vertical spacing should be in accordance with Table 2. Table 2 racks across railways, roads minimum vertical spacing unit. m Name the minimum vertical spacing Railway (counting from the top rail, general line) 5.5a Road (counting from the Crown) 5.0b Sidewalk (pavement from counting) 2.2/2.5c Note 1. Unless otherwise indicated by the table spacing, the line from the outer edge of the protective equipment, counting from the date of the lowest part of the rack. Note 2. a line overhead, the minimum vertical pipe rack over electrified railway spacing should comply with the relevant specification. b have large transport requirements or during road maintenance has a large lifting devices should be determined according to need. When difficulties in ensuring security Under the premise can be reduced to 4.5 m. c Street area sidewalk is 2.2 m, blocks away from the sidewalk is 2.5 m. 5.2.11 control room and other interior building floor elevation, top elevation equipment base should be higher than 0.15 m above the ground outside. A vehicle out of the building interior, foreign floor height is generally 0.15 m ~ 0.30 m; no vehicle access to the indoor and outdoor height difference It may be greater than 0.30 m. 5.2.12 hydrant should be close to the road, and its distribut......
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