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HJ 2060-2018: Technical specifications for waste gas control of copper smelting
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HJ 1347.1   HJ 1347.2   HJ 1346.1   

Basic data

Standard ID HJ 2060-2018 (HJ2060-2018)
Description (Translated English) Technical specifications for waste gas control of copper smelting
Sector / Industry Environmental Protection Industry Standard
Word Count Estimation 24,244
Date of Issue 2018-12-28
Date of Implementation 2019-03-01
Regulation (derived from) Ministry of Ecology and Environment Announcement No. 74 of 2018
Issuing agency(ies) Ministry of Ecology and Environment

HJ 2060-2018: Technical specifications for waste gas control of copper smelting

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Technical specifications for waste gas control of copper smelting National Environmental Protection Standard of the People's Republic Copper smelting waste gas treatment engineering technical specification Published on.2018-12-28 2019-03-01 Implementation Ministry of Ecology and Environment released

Content

Foreword...i 1 Scope...1 2 Normative references...1 3 Terms and Definitions...3 4 Contaminants and pollution loads...3 5 General requirements...6 6 Process Design...8 7 Main process equipment and materials...14 8 Detection and Process Control...15 9 Major auxiliary projects...16 10 Labor Safety and Occupational Health...17 11 Construction and acceptance...18 12 Operation and maintenance...19

Foreword

In order to implement the Law of the People's Republic of China on Environmental Protection and the Law of the People's Republic of China on Prevention and Control of Atmospheric Pollution, etc. Environmental pollution, standardize the construction and operation management of copper smelting waste gas treatment projects, and develop this standard. This standard specifies the technical requirements for copper smelting waste gas treatment engineering design, construction, acceptance and operation and maintenance. This standard is a guiding standard. This standard is the first release. This standard was formulated by the Science and Technology and Finance Department of the Ministry of Ecology and Environment. This standard is mainly drafted by. Beijing Mining and Metallurgical Technology Group Co., Ltd. This standard is approved by the Ministry of Ecology and Environment on December 28,.2018. This standard has been implemented since March 1,.2019. This standard is explained by the Ministry of Ecology and Environment. HJ □□□□-201□ Copper smelting waste gas treatment engineering technical specification

1 Scope of application

This standard specifies the technical requirements for the design, construction, acceptance, operation and maintenance of copper smelting waste gas treatment engineering. This standard is applicable to the construction of copper smelting waste gas treatment project with copper concentrate as the main raw material and co-processing of waste copper. And operation management, can be used as environmental impact assessment of copper smelting waste gas treatment project construction project, environmental protection facility design, construction, Reference basis for acceptance and operation management. This standard does not apply to recycled copper smelting waste gas treatment projects.

2 Normative references

The contents of this standard refer to the terms in the following documents. Valid versions of undated references, including modifications Single) Applicable to this standard. GB 5085.1 Identification of hazardous wastes Corrosion identification GB 5085.3 Identification criteria for hazardous wastes GB 5086.1 Solid waste leaching toxicity leaching method flip method GB 12348 industrial enterprise boundary environmental noise emission standards GB/T 16157 Determination of particulate matter in fixed source exhaust and gaseous pollutant sampling method GB 20424 Limit specification for harmful elements in heavy metal concentrates GB/T 22580 Special environmental conditions Technical requirements for plateau electrical equipment Low-voltage switchgear and control equipment GB 25467 Copper, nickel and cobalt industrial pollutant discharge standards GB 50009 Building Structure Load Specification GB 50011 seismic design code for buildings GB 50015 Building Water Supply and Drainage Design Code GB 50016 Building Design Fire Code GB 50019 Industrial building heating ventilation and air conditioning design specification GB 50052 design specification for power distribution system GB 50053 20kV and below substation design specifications GB 50054 Low Voltage Distribution Design Specification GB 50057 lightning protection design code for buildings GB 50059 35~110kV substation design specification GB 50057 lightning protection design code for buildings GB 50093 automatic instrument construction acceptance specification GB 50141 Water supply and drainage structure engineering construction and acceptance specification GB 50168 Electrical installation engineering cable line construction and acceptance specifications GB 50169 Electrical installation engineering grounding device construction and acceptance specifications HJ □□□□-201□ GB 50187 General Plan for Design of Industrial Enterprises GB 50194 Construction site safety requirements for construction and supply of electricity GB 50204 Concrete structure engineering construction quality acceptance specification General specification for construction and acceptance of GB 50231 mechanical equipment installation engineering GB 50236 Field equipment, industrial pipeline welding engineering construction specifications GB 50243 Ventilation and air conditioning engineering construction quality acceptance specification GB 50254 Electrical installation engineering Low-voltage electrical installation and acceptance specifications GB 50257 Electrical Installation Engineering Explosion and Fire Hazardous Environment Electrical Installation Construction and Acceptance Specifications GB 50268 Water supply and drainage pipeline engineering construction and acceptance specifications GB 50275 Fan, compressor, pump installation engineering construction and acceptance specifications GB 50544 Non-ferrous metal enterprise general plan transportation design specification GB 50630 Non-ferrous metal engineering design fire protection specification GB 50753 Non-ferrous metal smelter dust removal design specification GB 50880 Smelting flue gas acid production process design specification GB 50988 Non-ferrous metal industry environmental protection design technical specifications GB J 22 factory mine road design specification GB J 87 Industrial Enterprise Noise Control Design Specification GB J 141 Water supply and drainage structures construction and acceptance specifications GBZ 1 industrial enterprise design hygiene standard GBZ 2.1 Occupational exposure limits for workplace hazards Part 1. Chemically harmful factors GBZ 2.2 Occupational exposure limits for workplace hazards Part 2. Physical factors HJ/T 48 soot sampler technical conditions Continuous monitoring technology for HJ 75 fixed pollution source flue gas (SO2, NOX, particulate matter) General technical specification for HJ 179 limestone/lime-gypsum wet flue gas desulfurization project HJ/T 322 Environmental Protection Products Technical Requirements Electrostatic Precipitator HJ/T 328 Environmental Protection Products Technical Requirements Pulse Injection Bag Type Dust Collector HJ/T 330 Environmental Protection Product Technical Requirements Chamber Backflush Bag Filter HJ/T 373 Fixed source pollution monitoring quality assurance and quality control technical specifications HJ/T 397 Fixed Source Exhaust Gas Monitoring Technical Specification Technical specification for HJ 462 industrial boiler and kiln wet flue gas desulfurization engineering HJ 544 Determination of Sulfuric Acid Fog of Fixed Pollution Sources by Ion Chromatography HJ 819 General Guidelines for Self-Monitoring Technical Units of Sewage Units HJ 863.3 Sewage permit application and issuance technical specification Non-ferrous metal industry - copper smelting General technical specifications for HJ 2020 bag dust removal project HJ □□□□-201□ HJ 2028 General technical specification for electric dust removal engineering Technical specification for safety, design, commissioning, operation and maintenance of JB/T 6407 electrostatic precipitator Technical Requirements for Standardized Remediation of Sewage Discharges (Trial) (Environmental Supervision [1996] No. 470) Measures for Completion and Acceptance of Construction Projects (Engineering) (Project Construction [1990] No. 1215) Measures for the Administration of Environmental Protection Acceptance for Completion of Construction Projects (Order No. 13 of the State Environmental Protection Administration) National Directory of Hazardous Wastes (Order No. 39 of the Ministry of Environmental Protection) Interim Measures for Environmental Protection Acceptance of Construction Project Completion (Guohuan Environmental Impact Assessment [2017] No. 4) “Technical Guidelines for Environmental Protection Acceptance of Completion of Construction Projects” (Eco-Environmental Department Announcement No. 9 of.2018)

3 Terms and definitions

The following terms and definitions apply to this standard. 3.1 copper smelting waste gas of copper smelting Refers to various types of gases containing harmful substances produced during the copper smelting process. 3.2 Environmental smoke collecting Refers to the process design, the feeding port, the discharge port, the slag discharge port, the electrode hole, the chute, the bun room, etc. of the metallurgical furnace The process of collecting the leaked flue gas. 3.3 fire method copper smelting process waste gas of copper pyrometallurgy Refers to the process waste gas produced in each production process in the process of extracting metallic copper or its compound from copper sulfide concentrate at high temperature. 3.4 Wet copper smelting process waste gas of copper hydrometallurgy Refers to the work produced in each production process during the process of leaching ore or roasting ore with solvent or bacteria under normal temperature and pressure or high pressure. Art exhaust.

4 Contaminants and pollution loads

4.1 Source and classification of pollutants 4.1.1 Source and classification of waste gas from pyrometallurgical smelting process According to the characteristics of exhaust pollutants, the fumes of the pyrometallurgical smelting process can be divided into dust-containing exhaust gas and sulfur dioxide-containing (SO2) waste gas. And sulfuric acid mist containing waste gas. Dust-containing waste gas mainly includes dust-containing waste gas generated from raw material preparation and transportation process, and its main pollutants It is a particulate matter; the sulfur dioxide-containing waste gas mainly includes concentrate drying, smelting, blowing, refining, flue gas acid production, environmental smoke collection, etc. The sulphur-containing flue gas containing sulfur dioxide produced by the process is mainly composed of particulate matter, sulfur dioxide (SO2) and nitrogen oxides. (NOx), sulfuric acid mist, lead and its compounds, arsenic and its compounds, mercury and its compounds, cadmium and its compounds, fluorination Things and so on. The waste gas containing sulfuric acid mist mainly includes the electrolysis process and the exhaust gas of the purification process, and the main pollutant is sulfuric acid mist. The sources and classification of pollutants in the fuming copper smelting waste gas are shown in Table 1. 4.1.2 Source and classification of waste gas from wet copper smelting process The wet copper smelting waste gas is mainly a sulfuric acid mist-containing waste gas produced in the production process. The sources and classification of pollutants in wet copper smelting waste gas are shown in Table 2. HJ □□□□-201□ Table 1 Sources and classification of pollutants in pyrometallurgical smelting waste gas Exhaust gas category Main pollutants from the discharge port of the sewage discharge node particulates Concentration (mg/m3) Sulfur dioxide (mg/m3) Nitrogen oxides (mg/m3) Sulfuric acid mist (mg/m3) Lead and its Compound (mg/m3) Arsenic and its Compound (mg/m3) Mercury and its Compound (mg/m3) Cadmium and Compound (mg/m3) Dust Exhaust gas Raw material system Preparation and loss Concentrate feeding, concentrate Discharge, transfer, catch Bucket discharge, quantitative Material equipment, belt conveyor Delivery equipment transfer process Dust Raw material system Exhaust Particulate matter 1000~10000/////// Slag dressing preparation Preparation row Pump Particulate matter 1000~10000/////// Two Oxidation Sulfur waste Raw material system Preparation and loss Drying kiln Drying kiln Exhaust Particulate matter, SO2.20000~80000 50~600////// Melting furnace / Particulate matter (containing heavy metal cadmium, lead, Arsenic, mercury), SO2 50000~130000 120000~ 100~200/ 60~800 10~80 10~100 1~4 Blowing and blowing furnace / Particulate matter (containing heavy metal cadmium, lead, Arsenic, mercury), SO2 40000~100000 120000~ 100~200/ Refined anode furnace Anode furnace (refining) Exhaust Particulate matter, SO2, NOx, sulfuric acid Fog, lead and its compounds, arsenic and Its compounds, mercury and its compounds, Cadmium and its compounds, sulfuric acid mist, Fluoride. 200~3000 200~ 100~200/ Flue gas, acid tail gas, particulate matter, SO2, NOx, sulfuric acid 0~300 100~ 20~100 20~200 HJ □□□□-201□ Acid acid exhaust Fog, lead and its compounds, arsenic and Its compounds, mercury and its compounds, Cadmium and its compounds, sulfuric acid mist, Fluoride. Depleted slag depleted slag Slag depletion Exhaust Particulate matter, SO2, NOx, sulfuric acid Fog, lead and its compounds, arsenic and Its compounds, mercury and its compounds, Cadmium and its compounds, sulfuric acid mist, Fluoride. 8000~30000 100~ // surroundings Collecting smoke Smelting, blowing, fine Refining and slag depletion process Each kiln feed port, Slag outlet, copper outlet Environment set Smoke exhaust Particulate matter, SO2, NOx, sulfuric acid Fog, lead and its compounds, arsenic and Its compounds, mercury and its compounds, Cadmium and its compounds, sulfuric acid mist, Fluoride. 300~2000 100~ 50~200/ Sulfur Acid mist Exhaust gas Electrolytic electrolysis cell and circulation tank Workshop row Pump //// 10~80//// Clean liquid Vacuum evaporator And copper removal electrolysis cell Workshop row Pump //// 10~50//// Note. The process flue gas produced by the smelting furnace and the converting furnace directly produces acid. Table 2 Sources and classification of pollutants in wet copper smelting waste gas Concentration of main pollutants (mg/m3) in the discharge port of the exhaust gas category Sulfuric acid mist exhaust leaching, extraction, electrowinning plant exhaust pipe sulfuric acid mist 10~50 HJ □□□□-201□ 4.2 Pollution load 4.2.1 Raw materials such as flue gas parameters should be collected according to the engineering design needs, including the following contents. a) the amount of smoke (normal, maximum, minimum); b) flue gas temperature and range of variation (normal, maximum, minimum and dew point temperatures); c) gas composition and concentration in the flue gas (SO2, NOx, oxygen, hydrogen fluoride, etc.); d) smoke particulate matter concentration and composition (particulate matter, lead and its compounds, arsenic and its compounds, mercury and its compounds, Cadmium and its compounds); e) smoke pressure and moisture content; f) The situation and working system of the pollutant generating equipment. 4.2.2 Exhaust gas discharged from various production processes in the production process of existing copper smelting enterprises, the amount of exhaust gas and pollutant concentration can be passed through Measurement is determined. 4.2.3 The amount of waste gas and pollutant concentration in the waste gas treatment facilities of newly built copper smelting enterprises can be based on engineering design, and can also be Determine after the measurement. 4.2.4 If there is no actual measurement data, the exhaust gas volume and pollutant concentration can refer to the same production scale and the same in Table 2 of HJ 863.3. Emission data for raw materials and products or similar processes are determined. 4.2.5 Design load and design margin should be based on pollutant characteristics, pollution intensity, emission standards, air leakage rate and environmental impact assessment The requirements of the price document are comprehensively determined and the adaptation of the pollution load to the maximum and most adverse conditions should be fully considered.

5 General requirements

5.1 General provisions 5.1.1 The construction and operation management of waste gas treatment projects of copper smelting enterprises shall comply with relevant national and local laws and regulations, industrial policies, Standards and specifications, and actively promote cleaner production and improve resource and energy efficiency. 5.1.2 The copper smelting waste gas treatment project shall comply with the requirements of the environmental impact assessment document and the approval, and shall be designed simultaneously with the main project. At the same time, construction and production at the same time. 5.1.3 Copper smelting waste gas treatment projects should select safe, environmentally friendly and energy-saving technologies and equipment. 5.1.4 After the treatment of copper smelting waste gas treatment project, the exhaust gas emission should meet the requirements of GB 25467 and local emission standards, and meet the requirements. Total control and discharge permit requirements. 5.1.5 Solid waste generated from copper smelting waste gas treatment project shall be in accordance with the National Hazardous Waste List or current national standards. The relevant provisions of "Hazardous Waste Identification Standards" GB 5085.1 and GB 5085.3 adopt the technical methods listed in GB 5086.1 Identification and analogy of its nature, take corresponding control measures, and should give priority to comprehensive utilization. Harmless treatment measures. 5.1.6 The wastewater generated by the copper smelting waste gas treatment project should be collected, recycled, or discharged to prevent secondary pollution. 5.1.7 Copper smelting waste gas treatment project should adopt effective noise reduction, noise reduction, greening and other noise reduction measures, noise and vibration control The design shall comply with the provisions of GB 50087 and GB 50040, and the noise at the boundary of the plant shall comply with the requirements of GB 12348. HJ □□□□-201□ 5.1.8 The design, construction and operation and maintenance of the copper smelting waste gas treatment project shall be in line with the relevant quality, safety and health of the state and the industry. Regulations on standards and standards for health and fire protection. 5.1.9 The copper smelting waste gas treatment project shall be equipped with qualified online monitoring equipment, monitoring and alarm system and emergency treatment system. Line monitoring facilities should be networked with local environmental authorities as required. 5.1.10 Copper smelting waste gas treatment project shall be set up according to the requirements of “Technical Requirements for Standardization and Remediation of Sewage Discharge Ports (Trial)”. Install metering and automatic monitoring systems. 5.2 source control 5.2.1 Copper smelting projects should adopt high production efficiency, advanced technology, low energy consumption, environmental protection standards, and comprehensive utilization of resources. Into the smelting process, and must be equipped with facilities such as flue gas acid production, comprehensive utilization of resources, and energy conservation. 5.2.2 Copper smelting enterprises shall limit the harmful elements in the copper concentrate to meet the requirements of GB 20424, and the fuel should adopt clean energy. source. 5.2.3 Conveying equipment for powdered materials such as copper concentrate, auxiliary materials, smoke (powder) dust, etc. should be sealed or under negative pressure to prevent pollution. surroundings. 5.2.4 In the dust collected by the dust removal system, when the content of harmful elements such as lead, arsenic and mercury is too high, it is not suitable to return to the smelting system. Comprehensive use or safe disposal according to its nature. 5.2.5 Copper sulfide concentrates Fire smelting must be accompanied by sulfur element recovery facilities such as flue gas and acid. 5.3 Engineering composition 5.3.1 Copper smelting waste gas treatment projects include main works, auxiliary works and public works. 5.3.2 The main works include exhaust gas collection system, dust removal system, desulfurization system and acid mist purification system. 5.3.3 Auxiliary works include electrical, civil, HVAC, fire, instrumentation and control systems, online monitoring systems, tests Analysis system, etc. 5.3.4 Public works include power supply systems, steam systems, compressed air systems, water supply and drainage systems, process water and circulating water systems And so on. 5.4 General layout 5.4.1 General requirements 5.4.1.1 The general layout of the copper smelting waste gas treatment project shall meet the relevant provisions of GB 50187 and GB 50544. 5.4.1.2 Copper smelting waste gas treatment works should have better ventilation and heat dissipation conditions, and should have maintenance sites. 5.4.2 General layout 5.4.2.1 The general layout should be coordinated with the main process layout and follow the principle of energy saving. 5.4.2.2 Copper smelting waste gas desulfurization project absorption tower should be arranged near the chimney, absorbent preparation, storage and desulfurization by-product treatment It should be arranged according to the process flow and site conditions. 5.4.2.3 Materials such as absorbents, desulfurization by-products, etc., which are consumed or produced in large quantities, should be placed close to the main plant. Transport corridor. 5.4.3 Integrated pipeline layout HJ □□□□-201□ 5.4.3.1 The comprehensive layout of pipelines shall be determined comprehensively according to factors such as general layout, medium in the pipeline, construction and maintenance. 5.4.3.2 The comprehensive layout of the pipeline shall be carried out simultaneously with the general layout, vertical design and greening arrangement of the enterprise. Between pipelines, tubes The line and the building (structure) should be coordinated, compact and reasonable in the plane and vertical. 5.4.3.3 The comprehensive layout of pipelines shall meet the requirements for safe use, maintenance, repair and construction, and meet the minimum laying length and required Minimum reasonable spacing requirements. 5.4.3.4 The laying method of the pipeline shall be based on the natural conditions of the area where the project is located, the nature of the gas in the pipeline, and the spatial organization. Requirements such as requirements, channel width, construction and maintenance are comprehensively determined. 5.4.4 Vertical design 5.4.4.1 The vertical design shall be carried out simultaneously with the general layout and shall be in accordance with the existing and planned transport roads and drainage systems in the plant area. The system and the elevation of the surrounding area are coordinated. 5.4.4.2 The vertical design plan shall be based on the exhaust gas generation node, the pipeline laying, flood control, drainage, and earth (stone) work. The requirements of the volume and other requirements, combined with the topography and geological conditions for technical and economic comprehensive comparison and then determined.

6 Process design

6.1 General requirements 6.1.1 Copper smelting waste gas treatment should adopt technology with advanced technology, economic feasibility and stable operation, and priority should be adopted to have valuable value. Advanced technology for metal recycling and waste heat utilization. 6.1.2 Copper smelting waste gas treatment project should have strong adaptability to changes in the working conditions of the main production facilities, and have certain impact resistance. ability. 6.1.3 According to the nature of flue gas, operating conditions, flue gas volume and copper smelting main project requirements for waste gas treatment projects, waste gas treatment The synchronous maintenance of the facility must be synchronized with the main production facility, and the maintenance synchronization rate should reach 100%. 6.1.4 Exhaust gas treatment facilities must have construction installation and maintenance sites, fire exits, and must ensure the safety of personnel operations. And the convenience of equipment maintenance. 6.2 Process selection 6.2.1 Dust removal from dusty exhaust 6.2.1.1 The dust removal process of copper smelting dusty waste gas is shown in Figure 1 and Table 3. Dust removal and dust removal should be carried out by dust removal or dust removal. The cyclone dust removal and gravity settling chamber can only be used as a pre-dusting process, and sh...

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