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HJ 2001-2018 English PDF

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HJ 2001-2018: General technical specification of ammonia flue gas desulfurization
Status: Valid

HJ 2001: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
HJ 2001-2018869 Add to Cart 6 days General technical specification of ammonia flue gas desulfurization Valid
HJ 2001-2010879 Add to Cart 4 days Technical specifications for ammonia flue gas desulfurization projects of thermal power plant Obsolete

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Basic data

Standard ID: HJ 2001-2018 (HJ2001-2018)
Description (Translated English): General technical specification of ammonia flue gas desulfurization
Sector / Industry: Environmental Protection Industry Standard
Classification of Chinese Standard: Z25
Word Count Estimation: 36,385
Date of Issue: 2018-01-15
Date of Implementation: 2018-05-01
Older Standard (superseded by this standard): HJ 2001-2010
Regulation (derived from): Ministry of Environmental Protection Bulletin 2018, No. 11
Issuing agency(ies): Ministry of Ecology and Environment

HJ 2001-2018: General technical specification of ammonia 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.
General technical specification of ammonia flue gas desulfurization 2018-1-15 released 2018-5-1 implementation Directory Foreword .II 1 scope of application .1 2 Normative references .1 3 Terms and definitions 4 4 pollutants and pollution load 5 5 General Requirements .6 6 process design .7 7 major process equipment and materials 11

8 Detection and Process Control

Main auxiliary works 14 Work Safety and Occupational Health .15 Construction and acceptance 12 Operation and Maintenance Appendix A (informative) typical process 19 Appendix B (informative) routine analysis of test items and testing cycles Appendix C (Informative) Construction (structure) building gravity load representative value calculation 23 Appendix D (informative) winter heating indoor calculation of temperature Appendix E (informative) ammonia flue gas desulfurization project operation and maintenance management .25 Appendix F (informative) maintenance of major equipment and quality requirements .30

Foreword

In order to carry out "Law of the People's Republic of China on Environmental Protection" and "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 ammonia flue gas desulfurization project construction and operation management, the development of this standard. This standard specifies the ammonia flue gas desulfurization project design, construction, acceptance, operation and maintenance of technical requirements. This standard was first released in.2010, 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; - Enrich the operation and maintenance of technical content; - Improve the information appendix. This standard was revised by the Ministry of Environmental Protection Science and Technology Standards Division. This standard is mainly drafted by. China Environmental Protection Industry Association, Jiangsu Jiangnan Environmental New Century Co., Ltd., Beijing Institute of Labor Protection, Asia Pacific Environmental Protection Co., Ltd. This standard MEP.2018 January 15 approved. This standard since May 1,.2018 implementation. This standard is interpreted by the MEP. Ammonia flue gas desulfurization project general technical specifications

1 scope of application

This standard specifies the ammonia flue gas desulfurization project design, construction, acceptance, operation and maintenance of technical requirements. This standard applies to ammonia flue gas desulfurization project can be used as construction project environmental impact assessment, environmental protection facilities design, construction, acceptance And technical basis for operation and management. The technical requirements proposed by this standard are general and special requirements to implement the relevant technical specifications of the industry.

2 Normative references

This standard references the following documents in the terms. For undated references, the effective version applies to this standard. GB/T 150 pressure vessel GB/T 311.1 Insulation coordination - Part 1. Definitions, principles and rules GB/T 311.2 Insulation coordination - Part 2. Guidelines for use GB/T 535 ammonium sulfate GB/T 536 liquid anhydrous ammonia 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 5749 drinking water health standards Water quality - Determination of fluoride - Ion selective electrode method GB 8569 solid chemical fertilizer packaging GB/T 8570 Determination of liquid anhydrous ammonia Water quality - Determination of chloride - Silver nitrate titration GB 12348 industrial enterprises noise emission standards GB/T 12801 production safety and health requirements General GB/T 13148 stainless steel clad steel welding technology requirements Determination of chloride ion in industrial circulating cooling water and boiler water GB/T Determination of Particulate Matter and Gaseous Pollutants in Exhaust of Fixed Pollution Sources GB/T 16157 GB 16297 Integrated Air Pollutants Emission Standard GB 18218 Hazardous chemicals identification of major hazards GB 18241.1 Rubber lined - Part 1. Equipment anti-corrosion lining GB 18382 fertilizer labeling content and requirements GB/T.19923 urban sewage recycling industrial water quality GB/T 23349 fertilizer arsenic, cadmium, lead, chromium, mercury ecological indicators GB 50009 Building structural load specifications GB 50011 Code for seismic design of buildings GB 50013 outdoor water supply design specifications GB 50014 outdoor drainage design specifications Code for design of building water supply and drainage GB 50016 architectural design code for fire protection GB 50019 Heating Ventilation and Air Conditioning Design Code Code for Design of Factory and Mine Roads GB 50033 architectural lighting design standards GB 50040 Power Machinery Basic Design Specification GB 50046 industrial building anti-corrosion design specifications GB 50050 industrial circulating cooling water treatment design specifications GB 50052 for power distribution system design specifications GB 50057 lightning protection design specifications GB 50058 explosion and fire hazard electrical installations design specification GB/T 50064 AC electrical installations overvoltage protection and insulation coordination design specifications GB 50065 AC electrical installations grounding design specifications GB 50084 automatic sprinkler system design specifications GB/T 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 50140 fire extinguisher configuration design specifications GB 50160 petrochemical design fire safety specifications GB 50187 General design of industrial enterprises GB 50219 water spray fire extinguishing system design specifications GB 50222 interior design fire protection specifications GB 50231 Mechanical Equipment Installation Engineering Construction and Acceptance Common Specifications GB 50243 ventilation and air conditioning construction quality acceptance criteria 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 Design code for fire protection bank of GB 50351 tank GB 50489 General layout of chemical industry transport design specifications Specification for detection and alarm of flammable gases and toxic gases in petrochemical industry GB/T 50655 chemical plant steam system design specifications Fire protection water supply and fire hydrant system specification GB 51245 Industrial building energy-saving design uniform standards Design Code for Roads and Mines 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 GBZ/T 194 workplace protection against occupational poisoning Hygienic engineering protective measures norms AQ/T 3033 Chemical Construction Project Safety Design Management Guidelines AQ 3035 Hazardous chemicals Hazardous sources Safety monitoring General technical specifications AQ 3036 Dangerous Chemical Hazardous Area Tank Farm Site Safety Monitoring Equipment Setup Specification DL/T 5044 Power Engineering DC Power System Design Technical Specification DL/T 5403 thermal power plant flue gas desulfurization project to adjust the trial transport and quality acceptance assessment procedures HG 1-88 ammonia HG 20652 tower design technical specifications HG/T 2451 Equipment Corrosion-resistant rubber lining HG/T 2640 glass flake construction technology HG/T 2784 industrial ammonium sulfite HG/T 2785 industrial ammonium bisulfate HG/T 3797 glass flake-lined clay HG/T 20696 FRP chemical equipment design requirements 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 533 Ambient and exhaust air - Determination of ammonia - Nessler 's reagent spectrophotometric method JB/T 10989 wet flue gas desulfurization equipment for equipment demister JT 617 Rules for the Transport of Dangerous Goods by Car NB/T 47003.1 steel welded pressure vessel NB/T 47041 tower container SH/T 3007 petrochemical storage and transportation system design specifications of the tank farm SH 3047 Code for Design of Occupational Safety and Health in Petrochemical Enterprises SH/T 3053 petrochemical plant planning general layout design TSG 21 Pressure Vessel Safety Technology Supervision Regulations "Hazardous Chemicals Safety Regulations" (State Council Decree No. 591) "Safety Supervision and Management Measures for Construction Projects of Hazardous Chemicals" (No. 45 of the State Administration of Work Safety) Provisions on Supervision and Management of Major Hazardous Chemicals Hazardous Chemicals (No.40 of the State Administration of Work Safety)

3 Terms and definitions

3.1 ammonia flue gas desulfurization process ammonia flue gas desulfurization Refers to the amino material as an absorbent to remove flue gas SO2 and other acid gas wet flue gas desulfurization process, referred to as the ammonia method. 3.2 desulfurization project desulfurization project Refers to the facilities, equipment, components and systems integration required to remove SO2 and other sour gases from the flue gas with absorbent. 3.3 absorbent absorbent Refers to the desulfurization project for the removal of SO2 and other acid gas reactants. 3.4 absorber absorber Refers to the desulfurization project to achieve absorbent and SO2 and other acidic gases reaction facilities. 3.5 By-product Refers to the absorber and flue gas SO2, O2 and other substances generated after the reaction. 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 - conversion concentration of SO2 in flue gas before desulfurization, mg/m3; C2 - SO2 flue gas desulfurization concentration, mg/m3. 3.7 booster fan booster fan Refers to the new increase in fan resistance to overcome the desulfurization project. 3.8 oxidation fan oxidation fan Means the desulphurization of ammonium bisulfite (hydrogen) to ammonium sulfate oxidation of the fan. 3.9 Particles particle Refers to the sum of the particulate matter of the solid and solution suspended in the flue gas. 3.10 ammonia slip concentration ammonia slip Refers to the desulfurization project operation, the absorption unit outlet unit of flue gas volume (dry basis) of free ammonia (NH3 molecules in the form of ammonia, Excluding droplet, ammonium salt in particulate matter). 3.11 oxidation rate oxidation rate Refers to the unit volume (such as 1L) absorption of circulating liquid, concentrated circulating liquid in the number of moles of sulfuric acid (hydrogen) salt and bisulfite (hydrogen) The percentage of the total number of moles of salt material, according to formula (2) Calculated. 3.13 absorption tower saturated crystal in absorber Refers to the use of flue gas in the absorption tower heat, the by-product solution to reach saturation and the crystallization process, referred to as the tower crystallization. 3.14 Absorption tower evaporation crystallization evaporative crystal out of absorber Refers to the absorption tower outside the use of steam and other heat sources, the byproduct solution was evaporated and the crystallization process, referred to as the tower crystallization. 3.15 Drop concentration dripping content Refers to the unit of net flue gas desulfurization flue gas volume (dry basis count) carried droplets converted into concentrated circulating liquid mass concentration.

4 pollutants and pollution load

4.1 Absorption tower inlet flue gas conditions. a) SO2 concentration (dry basis conversion) should not be higher than 30000 mg/m3; b) The amount of flue gas should be more than 50,000 m3/h (dry basis); c) flue gas temperature should be 80 ℃ ~ 170 ℃; d) The concentration of particles (dry basis conversion) should not be higher than 50 mg/m3. 4.2 ammonia flue gas desulfurization project main application areas include. power generation boilers, industrial boilers and sintering and pellets, coking, non-ferrous smelting, electricity Aluminum, carbon and other furnaces. 4.3 new project desulfurization project design flue gas volume and SO2 concentration should adopt the maximum continuous operating conditions of the data; renovation and expansion project desulfurization project Design flue gas and SO2 concentration should be based on the measured value and take full account of the trend of change after the comprehensive determination, or by 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, SO3, HCl, HF, etc); d) smoke particulate matter concentration and composition; e) flue gas pressure, moisture content; f) pollutant equipment and working conditions.

5 general requirements

5.1 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 Desulfurization Project SO2 emission concentration 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 adjustability. 5.1.5 desulfurization project required water, electricity, gas, steam and other public works should make the best use of the main engineering facilities. Absorbents and by-products should be equipped with metering devices, but also with the main project share. 5.1.6 Desulfurization project design, construction and operation, should take effective noise, noise reduction, green noise reduction measures such as noise and vibration control System design should be consistent with the provisions of GB/T 50087 and GB 50040, the noise at the boundary should meet the requirements of GB 12348. 5.1.7 Desulphurization project should be based on the characteristics of flue gas, emission requirements, by-product quality requirements, consider the coordinated treatment of multiple pollutants, and control the secondary pollution. 5.1.8 desulfurization project should be set to control the proliferation of chlorine, organic matter, particulate matter and other facilities, facilities. 5.1.9 Desulfurization Project The automatic continuous smoke monitoring system (CEMS) shall be set up and operated in accordance with the requirements of HJ/T 75, HJ/T 76 and local environmental protection authorities. 5.1.10 Desulfurization project design, construction and operation and maintenance should be consistent with national and industry quality, safety, health, fire and other regulations and standards. 5.2 Engineering composition 5.2.1 desulfurization projects generally include process systems, public systems and ancillary works. 5.2.2 process system includes flue gas system, absorbent system, absorption cycle system, by-product processing system. 5.2.3 Common system Including process water system, compressed air system, steam system. 5.2.4 Auxiliary projects include electrical, building and structure, water supply and drainage and fire fighting, heating, ventilation and air conditioning, roads and greenery. 5.3 General layout 5.3.1 General provisions 5.3.1.1 The general layout shall comply with the provisions of GB 50016, GB 50160, GB 50187, GB 50489, SH/T 3053 and corresponding industries, and 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. 5.3.1.2 By-product processing system should be based on process and site conditions layout. Generally should be arranged in the absorption cycle system and the relative Independent, easily accessible area where material is circulated between the absorption and recycling systems and the byproduct disposal system. 5.3.1.3 The by-product treatment system warehouse should be arranged along the road with smooth traffic, and be convenient for natural ventilation. 5.3.2 Transportation 5.3.2.1 desulfurization project within the road design, should ensure that the material transport convenience, fire access, easy maintenance, to meet the site drainage Requirements, and in line with GB J 22 requirements. 5.3.2.2 desulfurization road within the project area should be formed with the road network ring road network. According to the production, fire and maintenance needs, you should set the line Roads, fire engines and sidewalks. 5.3.2.3 Longitudinal slopes of parking sections in material handling area should be flat slopes. When the layout is difficult, the slope should not be more than 1.5% and enough cars should be provided Will car, swing field, and road surface hardening requirements. 5.3.2.4 Desulphurization projects The roads in the densely-populated areas should be treated with concrete ground hardening, etc., in order to facilitate maintenance and cleaning. 5.3.2.5 By-product processing system should be set up between the plant and warehouse smooth transport lanes. 5.3.2.6 When the absorbent is liquid ammonia should be used tanker or pipelines, the total layout sho......
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