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HJ 2042-2014

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HJ 2042-2014English599 Add to Cart Days<=4 General specifications of engineering and technology for hazardous waste disposal Valid HJ 2042-2014
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Detail Information of HJ 2042-2014; HJ2042-2014
Description (Translated English): Environmental Protection
Sector / Industry: Environmental Protection Industry Standard
Classification of Chinese Standard: Z27
Classification of International Standard: 13.030.40
Word Count Estimation: 23,254
Date of Issue: 6/10/2014
Date of Implementation: 9/1/2014
Quoted Standard: GB 3096; GB 5085; GB 8978; GB 12348; GB 14554; GB 16297; GB 18484; GB 18597; GB 18598; GB 50014; GB 50016; GB 50019; GB 50028; GB 50034; GB 50052; GB 50057; GB 50062; GB 50140; GB 50156; GB 50202; GB 50203; GB 50204; GB 50205; GB 50231; GB 50236; GB 50254
Drafting Organization: Shenyang Institute of Environmental Science
Administrative Organization: ?Ministry of Environmental Protection Science, Technology
Regulation (derived from): Ministry of Environmental Protection Notice No. 42 of 2014
Issuing agency(ies): Ministry of Environmental Protection
Summary: This standard specifies the hazardous waste disposal engineering design, construction, inspection and operation of the general technical and administrative requirements. This standard applies to hazardous waste disposal project of new construction, renova

HJ 2042-2014
General specifications of engineering and technology for hazardous waste disposal
National Environmental Protection Standard of the People's Republic
Technical guidelines for hazardous waste disposal engineering
2014-06-10 Approved.2014-09-01 Implementation
Ministry of Environmental Protection released
Content
Foreword..II
1 Scope.1
2 Normative references.1
3 Terms and Definitions 3
4 Disposal technology applicability and selection.4
5 General requirements.5
6 overall design.6
7 system configuration requirements..6
8 Labor Safety and Occupational Health 12
9 Engineering construction and environmental protection acceptance 13
10 Operation Management Requirements.14
Appendix (informative appendix) Hazardous Waste and Medical Waste Treatment and Disposal Technology Applicable Table.15
Foreword
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 Environmental Pollution by Solid Wastes,
Construction and operation of hazardous waste disposal projects to achieve the goal of reducing, recycling and harmless hazardous waste disposal, and controlling environmental risks,
Improve the quality of the environment and develop this standard.
This standard stipulates the application of hazardous waste disposal technology and the process of engineering design, construction, acceptance, operation management, etc.
Relevant technical requirements and management regulations.
This standard is a guidance document.
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 was drafted. Shenyang Environmental Science Research Institute, Institute of High Energy Physics, Chinese Academy of Sciences, National Environmental Protection Hazardous Waste
Material Disposal Engineering Technology Center.
This standard was approved by the Ministry of Environmental Protection on June 10,.2014.
This standard has been implemented since September 1,.2014.
This standard is explained by the Ministry of Environmental Protection.
Technical guidelines for hazardous waste disposal engineering
1 Scope of application
This standard specifies general technical and management requirements for the design, construction, acceptance and operation of hazardous waste disposal projects.
This standard is applicable to the construction, reconstruction and expansion of hazardous waste centralized disposal projects and the construction of hazardous waste disposal workers.
Cheng, can macro-guide the feasibility study, environmental impact assessment, engineering design, engineering construction, engineering acceptance of hazardous waste disposal engineering
And the operation and management of facilities.
This standard is a general technical specification for hazardous waste disposal projects and is applicable to all types of hazardous waste disposal projects. For existing special jobs
The hazardous waste disposal project of the technical specification shall also implement special technical specifications at the same time; for the special engineering technical specifications that have not yet been issued
The hazardous waste disposal project shall comply with the relevant provisions of this standard. Medical waste as a special type of hazardous waste, its management technology
The surgical requirements refer to the relevant standards for medical waste.
2 Normative references
The contents of this standard refer to the terms in the following documents. For undated references, the valid version applies to this standard.
GB 3096 Acoustic Environmental Quality Standard
GB 5085 Hazardous Waste Identification Standard
GB 8978 Integrated Wastewater Discharge Standard
GB 12348 Environmental noise emission standards for industrial enterprises
General rules for safety and health requirements of GB 12801 production process
GB 14554 Odor Pollutant Discharge Standard
GB 16297 Integrated emission standards for atmospheric pollutants
GB 18484 Hazardous Waste Incineration Pollution Control Standard
GB 18597 Hazardous Waste Storage Pollution Control Standard
GB 18598 Hazardous Waste Landfill Pollution Control Standard
GB 50028 town gas design code
GB 50034 Architectural Lighting Design Standard
GB 50052 design specification for power distribution system
GB 50057 lightning protection design code for buildings
GB 50062 Specification for relay protection and automatic devices for electrical installations
GB 50156 Specification for design and construction of refueling and filling stations
GB 50202 Code for construction quality acceptance of building foundation engineering
GB 50203 Masonry Construction Quality Acceptance Specification
GB 50204 Concrete Structure Engineering Construction Quality Acceptance Specification
GB 50205 Steel Structure Engineering Construction Quality Acceptance Specification
GB 50221 Steel Structure Engineering Quality Assessment Standard
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 50254 Electrical installation engineering Low-voltage electrical installation and acceptance specifications
GB 50255 Electrical installation engineering cable line construction and acceptance specifications
GB 50256 Electrical installation and construction crane electrical installation construction and acceptance specifications
GB 50257 Electrical installation engineering explosion and fire hazard environment electrical installation construction and acceptance specifications
GB 50258 Electrical installation engineering 1kV and below wiring construction and acceptance specifications
GB 50259 Electrical installation installation engineering electrical lighting installation construction and acceptance specifications
GB 50275 Compressor, fan, pump installation engineering construction and acceptance specifications
GB 50300 Unified standard for construction quality acceptance of construction projects
GB 50335 Wastewater Recycling Engineering Design Specification
GB J14 Outdoor Drainage Design Code
GB J16 Building Design Fire Code
GB J19 Heating Ventilation and Air Conditioning Design Specification
GB J22 factory mine road design specification
GB J140 building fire extinguisher configuration design specification
GB/T 15555.1 Determination of total mercury in solid waste - Cold atomic absorption spectrophotometric method
GB/T 15555.2 Determination of cadmium, copper, lead and zinc in solid waste atomic absorption spectrophotometric method
GB/T 15555.3 Determination of arsenic in solid wastes - Diethyldithiocarbamate silver spectrophotometric method
GB/T 15555.4 Determination of hexavalent chromium in solid waste - Diphenylcarbazide spectrophotometric method
GB/T 15555.5 Determination of total chromium in solid waste - Diphenylcarbazide spectrophotometric method
GB/T 15555.6 Determination of total chromium in solid waste - Direct inhalation flame atomic absorption spectrophotometric method
GB/T 15555.7 Determination of hexavalent chromium in solid wastes
GB/T 15555.8 Determination of total chromium in solid waste - Ammonium sulphate titration
GB/T 15555.9 Determination of nickel in solid waste - Direct inhalation flame atomic absorption spectrophotometric method
GB/T 15555.10 Determination of nickel in solid waste - succinimide spectrophotometric method
GB/T 15555.11 Determination of fluoride in solid waste - Ion selective electrode method
GB/T 15555.12 Determination of corrosion of solid wastes - Glass electrode method
GB/T 28001 Occupational Health and Safety Management System Specification
GBZ 1 industrial enterprise design hygiene standard
GBZ 2.1 Occupational exposure limits for workplace hazards Part 1. Chemical hazards
GBZ 2.2 Occupational exposure limits for workplace hazards Part 2. Physical factors
DL/T 620 AC electrical equipment overvoltage protection and insulation with power industry standards
DL/T 621 AC Electrical Equipment Grounding Power Industry Standard
HJ 561 Technical Specifications for Performance Testing of Hazardous Waste (including Medical Waste) Incineration Disposal Facilities
HJ/T 76 Technical requirements and test methods for continuous monitoring system for fixed source flue gas emissions (Trial)
HJ/T 176 Technical Specifications for Centralized Incineration and Disposal of Hazardous Waste
HJ/T 177 Technical Specifications for Construction of Centralized Incineration Disposal of Medical Waste
JB/T 8471 bag type dust collector installation technical requirements and acceptance specifications machinery industry standard
JB/T 8690 industrial fan noise limit
Law of the People's Republic of China on Environmental Impact Assessment (Chairman's Decree [2002] No. 77)
Law of the People's Republic of China on the Prevention and Control of Environmental Pollution by Solid Wastes (Chairman's Decree [2005] No. 31)
Regulations on Environmental Protection Management of Construction Projects (Order of the State Council [1998] No. 253)
Regulations on Quality Management of Construction Projects (Order of the State Council [2000] No. 279)
Measures for the Administration of Hazardous Waste Business Licenses (State Council Order [2004] No. 408)
"Design Regulations for Environmental Protection of Construction Projects" (Guo Huan Zi [87] No. 2)
National Directory of Hazardous Wastes (Ministry of Environmental Protection, National Development and Reform Commission Order [2008] No. 1)
Technical Requirements for Completion Acceptance Monitoring of Environmental Protection Facilities of Construction Projects (Huanfa [2000] No. 38)
“Administrative Measures for Environmental Protection Acceptance of Completion of Construction Projects” (Huanfa [2004] No. 13)
National Plan for the Construction of Hazardous Waste and Medical Waste Disposal Facilities (Huanfa [2004] No. 16)
"Administrative Measures for Automatic Monitoring of Pollution Sources" (Huanfa [2005] No. 28)
"Deep Provisions on the Design of Architectural Engineering Design Documents" (Building Quality [2008] No. 216)
Interim Provisions on Occupational Safety Supervision of Production Construction Projects (Labor [1988] No. 48)
Technical Requirements for Construction of Hazardous Waste Safety Landfill Disposal Project (Huanfa [2004] No. 75)
Notice on Strengthening the Completion and Acceptance of the National Hazardous Waste and Medical Waste Disposal Facilities Construction Plan
[2009] No. 22)
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1 hazardous waste
Refers to the list of national hazardous wastes or the identification of hazardous waste identification standards and identification methods according to national regulations.
One or more dangerous characteristics such as eclipse, toxicity, flammability, reactivity and infectivity, and does not exclude the above dangers
Sexual solid, liquid or other form of waste.
3.2 Incineration incineration
It refers to a chemical process that burns substances, completely oxidizes, and generates heat in the presence of sufficient oxygen.
3.3 Secure landfill secure landfill
Refers to the landfill disposal of hazardous waste in a safe landfill.
4 Disposal technology applicability and choice
4.1 Waste Disposal Technology Classification
4.1.1 Hazardous waste disposal technology can be divided into pretreatment technology and disposal technology.
4.1.2 Hazardous waste pretreatment technologies include physical methods, chemical methods, and solidification/stabilization.
4.1.2.1 Physical methods include compaction, crushing, sorting, thickening, adsorption and extraction.
4.1.2.2 Chemical methods include flocculation sedimentation, chemical oxidation, chemical reduction, and acid-base neutralization.
4.1.2.3 Curing/stabilization includes cement curing, lime curing, plastic curing, self-adhesive curing and chemical stabilization.
4.1.3 Hazardous waste disposal technologies include incineration disposal technology, non-incineration disposal technology, and safe landfill disposal technology.
4.1.3.1 Hazardous waste incineration includes rotary kiln incineration, liquid injection furnace incineration, fluidized bed furnace incineration, fixed bed furnace incineration and heat
De-burning and so on.
4.1.3.2 Non-incineration disposal of hazardous waste mainly includes thermal desorption treatment, melt disposal, arc plasma treatment, etc.
4.1.3.3 Hazardous waste Safe landfill disposal includes single-component landfill disposal and multi-component landfill disposal.
4.2 Applicability of hazardous waste disposal technology
4.2.1 Pretreatment technology is mainly applicable to the pretreatment process before hazardous waste disposal such as incineration, non-incineration and safe landfill.
4.2.2 Incineration technology is suitable for the disposal of hazardous wastes with high organic content and high calorific value. The form of hazardous waste disposal can be solid or liquid.
And gaseous, but mercury-containing wastes are not suitable for disposal by incineration technology, and explosive waste must be eliminated by appropriate pretreatment techniques.
The reactivity is followed by incineration or disposal using a specially designed incinerator.
4.2.2.1 Hazardous wastes that can be disposed of in rotary kiln include organic steam, high-concentration organic waste liquid, liquid organic waste, granular uniform waste,
Non-uniform loose waste, low melting point waste, organic waste containing flammable components, untreated coarse and bulk waste, halogenated
Aromatic hydrocarbon waste, organic sludge, etc.
4.2.2.2 Hazardous wastes that can be disposed of in liquid injection furnaces include organic steam, high concentration organic waste liquid, liquid organic waste, low melting point waste
Materials, halogenated aromatic hydrocarbon wastes, etc.
4.2.2.3 Fluidized bed is mainly used for the disposal of powdery hazardous waste, and also for the disposal of bulk waste and waste liquid.
4.2.2.4 Hazardous wastes that can be disposed of in fixed bed furnaces include organic steam, granular homogeneous waste, non-uniform loose waste, low melting point waste
Materials, organic waste containing flammable ash components, etc.
4.2.2.5 Pyrolysis furnace is mainly used to dispose of hazardous waste with high organic content.
4.2.3 Non-incineration disposal techniques for hazardous wastes should be selected based on the technical characteristics and the characteristics of the waste to be disposed of.
4.2.3.1 Thermal desorption technology is suitable for the disposal of volatile, semi-volatile and partially non-volatile organic solid or semi-solid hazardous wastes.
It can be used to treat soil, mud, sediment, filter cake, etc. containing the above hazardous waste.
4.2.3.2 The melting technology is applicable to the disposal of hazardous waste incineration disposal residues and fly ash from solid waste incineration disposal.
4.2.3.3 Arc plasma technology is suitable for the disposal of hazardous waste with high toxicity, stable chemical properties and long-term presence in the environment.
It is especially suitable for disposal of fly ash after waste incineration, smashed e-waste, liquid or gaseous toxic hazardous waste.
4.2.4 Safe landfill disposal technology is applicable to the National Hazardous Waste List, except for landfill lining incompatible waste.
Safe disposal of objects. Hazardous wastes with unstable nature need to be solidified/stabilized before safe landfill disposal, but organic hazardous waste
It is not suitable for safe landfill disposal.
4.2.4.1 One-component landfill is suitable for the disposal of hazardous wastes of the same chemical form.
4.2.4.2 Multi-component landfill is suitable for the treatment of two or more types of mixing without chemical reaction, or after non-rigid chemical reaction
Dangerous waste.
4.3 Principles for the selection of hazardous waste disposal technologies
4.3.1 Corrosive waste should be pretreated by neutralization followed by other methods for final disposal.
4.3.2 Toxic wastes may be detoxification treatment or disposal technologies such as incineration or landfill.
4.3.3 Flammable wastes should be preferred for incineration disposal techniques and pretreatment methods should be selected based on incineration conditions.
4.3.4 Reactive waste should be removed by oxidation, reduction, etc., and then disposed of by incineration or landfill.
4.3.5 Infectious waste (medical waste) should be selected for disposal techniques that can kill infectious bacteria, such as incineration, high temperature steam sterilization,
Chemical disinfection, microwave disinfection, etc.
5 General requirements
5.1 Hazardous Waste Disposal Project shall meet the Environmental Impact Assessment Law of the People's Republic of China and the Environmental Protection Management Regulations for Construction Projects.
And the requirements of the “Administrative Measures on Environmental Protection Acceptance for Completion of Construction Projects”.
5.2 The construction of hazardous waste disposal projects should be able to actively promote the realization of the goals of reduction, resource utilization and harmlessness.
5.3 The scale of hazardous waste disposal should be based on the amount of waste that can be disposed of within the project service area, the distribution of waste, development plans, and
Factors such as changing trends are considered together.
5.4 Dangerous waste disposal technology selection, engineering construction and facility operation management should actively adopt BAT and best environmental management
Practice (BAT/BEP).
5.5 The site selection of hazardous waste disposal project should be in line with the overall urban development plan, professional environmental protection plan and local air pollution.
Prevention, water resources protection, and natural ecological protection requirements should also consider the service areas, transportation, and soil of hazardous waste disposal facilities.
Land use status, infrastructure status, transportation distance and public opinion, etc., the final selected site should also pass environmental impact and
Environmental risk assessment is determined.
5.6 The discharge of atmospheric pollutants from hazardous waste disposal projects shall comply with the requirements of GB 16297, GB 18484 or industry and local discharge standards.
And shall install the continuous monitoring equipment for atmospheric pollutant discharge in accordance with the provisions of the “Measures for the Automatic Monitoring and Control of Pollution Sources”, and the monitoring center
networking.
5.7 Waste water discharge from hazardous waste disposal projects shall comply with the requirements of GB 8978 or industry and local discharge standards, and shall be waste in GB 50335.
The recycled wastewater required for water reuse should be reused as much as possible.
5.8 The noise at the boundary of the hazardous waste disposal project shall comply with the requirements of GB 3096 and GB 12348.
5.9 The control and prevention of odorous pollutants in hazardous waste disposal projects shall comply with the relevant provisions of GB 14554.
5.10 Pollutant discharge, sampling, environmental monitoring and analysis of hazardous waste disposal projects shall comply with and comply with the relevant national standards.
5.11 The design, construction, acceptance and operation of the hazardous waste disposal project shall comply with the provisions of this standard, and shall also comply with the current national
The provisions of laws, decrees, regulations, standards and industry regulations are in compliance with the relevant engineering quality, safety, fire protection and other aspects.
Standard regulations.
6 overall design
6.1 General design
6.1.1 The design of hazardous waste disposal engineering should be designed by the unit with corresponding design qualification, and the design depth should meet the relevant requirements.
begging.
6.1.2 The general plan design of the hazardous waste disposal project shall comply with the requirements of the “Design Environmental Protection Design Regulations”, according to the region
Natural conditions, combined with production, transportation, environmental protection, occupational health and labor safety, staff life, and electricity, communications,
Facilities such as heat, water supply and drainage, sewage treatment, flood control and drainage are determined after comprehensive comparison.
6.1.3 Auxiliary facilities such as production auxiliary facilities and living service facilities for hazardous waste disposal projects should be co-ordinated according to the principle of social service
Consider and avoid duplication of construction.
6.1.4 Fences or other protective fences shall be set around the hazardous waste disposal project to prevent livestock and unrelated personnel from entering.
In.
6.2 General layout
6.2.1 Hazardous waste disposal plants generally consist of disposal areas and production management areas. The disposal area includes a waste receiving storage area, a waste disposal area,
Auxiliary functional area, etc., where the waste receiving storage area should be equipped with waste receiving, storage, analysis and identification, pretreatment, etc.;
The resettlement area is equipped with units for waste disposal and secondary pollution prevention; the auxiliary functional areas include water supply, power supply, and heating units. Production management
The district sets up production units such as office and living.
6.2.2 The layout of hazardous waste disposal areas should meet the requirements of treatment process flow and logistics flow direction, so that the process is reasonable, compact and coherent.
Ensure the safe operation of the facility. A green belt is installed between the disposal area and the production management area.
6.2.3 Hazardous waste disposal sites should be constructed according to the number of transport vehicles, transfer car parking lot and vehicle cleaning system, parking lot and cleaning system
The quantity is close to the hazardous waste disposal functional area.
6.3 Factory road
6.3.1 The roads in the factory shall meet the load and traffic requirements of the waste transportation vehicles entering the maximum specifications of the factory, and comprehensive consideration shall be given to fire protection and various
Corresponding requirements for the pipeline.
6.3.2 The width of the road surface of the main roads of the hazardous waste disposal plant should not be less than 6 m, and the roadway should be provided with a circular road. Outside the factory
Fire roads shall be provided and the width of the road shall not be less than 3.5 m. The road surface should be cement concrete or asphalt concrete, road load, etc.
The level shall comply with the relevant provisions of GB J22.
7 system configuration requirements
7.1 General requirements
7.1.1 The construction of hazardous waste disposal facilities shall determine the corresponding construction contents according to the characteristics and application requirements of different disposal technologies, and shall be able to protect
The hazardous wastes are safely and effectively disposed of, mainly including the main facilities and auxiliary facilities.
7.1.1.1 The main facilities shall include the incoming hazardous waste receiving system, analytical identification system, storage and transportation system, pretreatment system,
Disposal systems, pollution control systems, automated control systems, monitoring systems, and emergency systems.
7.1.1.2 Ancillary facilities shall include electrical systems, energy supply, gas supply, power supply and distribution, water supply and drainage, sewage treatment, fire protection, and
Letters, HVAC, mechanical repairs, vehicle/container flushing facilities, safety protection and accident emergency facilities.
7.1.2 The service life of hazardous waste disposal facilities shall be in accordance with relevant regulations.
7.2 Hazardous Waste Receiving System Requirements
7.2.1 The receiving storage area of the hazardous waste disposal site shall be provided with a hazardous waste metering facility, and the measuring facility shall be based on the maximum full load of the transport vehicle.
Leave a certain margin setting. The metering facility shall be located at the entrance and exit of the vehicle in the disposal area, and have good visibility conditions, and the import factory boundary
The distance should not be less than the length of a maximum transfer vehicle.
7.2.2 The hazardous waste receiving and metering system shall have the functions of weighing, recording, transmission, printing and data processing.
Upload the data to your local environmental department.
7.2.3 The discharge site of the hazardous waste disposal site shall meet the requirements for smooth operation of the transport vehicle.
7.2.4 Sampling should be carried out during the reception of hazardous waste.
7.3 Analytical Identification System
7.3.1 The disposal area of the hazardous waste disposal unit shall be equipped with a laboratory and equipped with the identification of hazardous waste characteristics and waste water, waste gas, waste residue, etc.
Instrumentation for monitoring and analysis of indicators.
7.3.2 The specifications and quantity of the instruments used in the laboratory and the area of the laboratory shall be based on the operating parameters and scale of the hazardous waste disposal facilities.
The conditions are determined.
7.3.3 Analysis of hazardous waste characteristics The identification system configuration should be configured according to the type and characteristics of hazardous waste, and can meet GB 5085
Basic requirements.
7.4 Storage and delivery systems
7.4.1 The hazardous waste disposal facilities shall be set up according to the characteristics and scale of the disposed waste, and the storage warehouse and cold storage shall be set according to the relevant standards.
Under normal circumstances, the storage capacity of the facility should not be lower than the disposal capacity of the disposal facility on the 15th.
7.4.2 The necessary fire protection facilities should be installed in the hazardous waste storage and unloading area.
7.4.3 Hazardous waste storage containers should meet the requirements of GB 18597.
7.4.4 The identified hazardous wastes should be classified and stored in special storage facilities. The hazardous waste storage facilities should meet the requirements of GB 18597.
begging.
7.4.5 The configuration of hazardous waste transport equipment should be determined according to the size of the disposal facility and the characteristics of the hazardous waste.
7.5 Pretreatment and feeding systems
7.5.1 The waste should be pretreated according to the actual needs of hazardous waste disposal. The pretreatment should be based on the form of different hazardous wastes.
Select the appropriate pretreatment method for the point and hazardous waste characteristics.
7.5.2 The design of hazardous waste pretreatment systems should take into account the nature of the hazardous waste, the method of crushing, the mixing of liquid waste and the feeding of
Arrangement of suction and piping systems.
7.5.3 The hazardous wastes should be compatible according to the actual needs and waste characteristics of different disposal technologies, and should pay attention to each other.
Compatibility, avoiding the adverse consequences of mixing incompatible hazardous wastes, ensuring hazardous wastes while maintaining process conditions
Set the security and reliability of the operation.
7.5.4 When using safe landfill technology to dispose of hazardous waste, pre-treatment such as stabilization/curing treatment should be carried out before landfill is implemented.
7.5.5 When incineration technology is used to dispose of hazardous waste, it should be matched according to its composition and calorific value before entering the furnace to ensure the incinerator.
Stable operation reduces the rate of thermal burn-down of incineration residues.
7.5.6 When using plasma technology to dispose of hazardous waste, the scope of its technical application should be considered, and the hazardous waste to be treated should be based on
Waste characteristics are pretreated. Including removal of packaging, separation, solid compounding, disposable package crushing, powdered waste granulation, liquid
Body filtration, etc., to ensure that the processing requirements are met.
7.5.7 When hazardous wastes treated by thermal desorption are used, corresponding pretreatment should be carried out according to the characteristics of different wastes to ensure the waste composition,
Moisture, viscosity, etc. meet the corresponding processing requirements.
7.5.8 When using other technologies, if there is no professional norms and new technical standards, the phase should be configured according to the specific technical requirements of the process.
The pretreatment system should be.
7.5.9 Determine the feeding unit according to the actual needs of different disposal technologies. The feeding unit configuration should meet the following requirements.
a) The feeding system should be safe, simple and practical, with reliable mechanical properties, low failure rate and easy maintenance;
b) the feeding method should match the disposal process;
c) The feed shall ensure the stability of the operating conditions of the disposal facility;
d) The feeding device should be equipped with a metering device with adjustable supply according to the process conditions to achieve quantitative dosing.
7.6 Disposal system
7.6.1 Incineration disposal
7.6.1.1 Disposal of hazardous waste by incineration technology. The incineration disposal facility should adopt mature technology, high automation level and stable operation.
Equipment, with a focus on the match between its configuration and subsequent exhaust gas purification facilities. Incineration control conditions should meet GB 18484
begging.
7.6.1.2 Incineration and disposal facilities should adopt continuous incineration and ensure that the incineration treatment fluctuates within 60-110% of the rated treatment capacity.
It can run stably.
7.6.1.3 The temperature range of incinerators such as rotary kiln should be 750 ~ 1200 ° C, the solid residence time should be 30 min ~ 2 h, when the gas stays
The interval should be more than 2 s.
7.6.1.4 The power plant of the incinerator such as rotary kiln shall meet the maximum load and the maximum power transmission under various accident conditions.
3 to 5 times or more of the value.
7.6.1.5 The temperature range of the reheating zone of the pyrolysis furnace should be 320-540 °C, and the temperature range of the oxidizing exothermic zone should be 760-1150 °C.
The solid residence time of the continuous feed pyrolysis furnace should be 0.25-1.5 h, and the solid residence time of the intermittent feed pyrolysis furnace should be above 1.5 h.
7.6.1.6 The pyrolysis incineration technology should select the pyrolysis process according to the material characteristics and project requirements, and should be adopted for wastes with lower calorific value.
Pyrolysis incineration technology, pyrolysis gasification technology should be adopted for wastes with higher calorific value.
7.6.1.7 The high temperature flue gas generated by the incineration disposal system should be quenched and treated, and the flue gas temperature should drop below.200 °C within 1 s.
Reduce the residence time of flue gas in the temperature range of.200 ~ 500 °C to prevent dioxin production or secondary generation.
7.6.1.8 The incineration disposal system should consider the comprehensive utilization of the release of thermal energy.
7.6.2 Non-incineration disposal
7.6.2.1 Treating hazardous waste by thermal desorption technology, the feeding unit, waste conveying unit, thermal desorption unit, etc. should be configured as needed.
Exhaust gas purification unit. The exhaust gas generated by the thermal desorption process can be carried out with reference to GB 18484 without special standards.
7.6.2.2 Disposal of hazardous waste by means of melting technology, the corresponding pretreatment system and feeding list shall be configured according to the specific technical requirements of the process.
Yuan, disposal system and corresponding pollutant purification facilities to ensure the safe and effective disposal of hazardous waste. Temperature range 1000~1700
°C, the charge size can generally be controlled between 40 ~ 100mm.
7.6.2.3 Disposal of hazardous waste by plasma technology, system configuration should be carried out as needed to ensure plasma melting furnace, power supply
Equipment, measurement control equipment and nitrogen production equipment operate stably, and are equipped with corresponding feeding unit, heat recovery unit, exhaust gas treatment list
Element and glass body output molding unit. The exhaust gas generated by the plasma treatment process can be referred to without special standards.
GB 18484 is implemented. The arc temperature of the arc plasma technology reaches above 7000 °C, and the temperature of the reaction zone is controlled at 1200-1500.
°C range.
7.6.3 Safe landfill
7.6.3.1 The use of safe landfill technology shall be provided with a seepage prevention leak detection system to ensure timely leakage of leachate in the anti-seepage layer.
Discover and take necessary pollution control measures. Landfill construction should meet GB 18598 and “Hazardous Waste Safety Landfill Disposal Project Construction”
Technical requirements and other relevant requirements.
7.6.3.2 Landfill anti-seepage systems are usually based on flexible structures. When the landfill foundation layer does not meet the anti-seepage requirements, rigid joints can be used.
Structure. The anti-seepage system of the flexible structure shall be double artificial lining, and the rigid structure shall be combined with the reinforced concrete shell and the flexible artificial lining.
to make.
7.6.3.3 Flexible artificial landfills The double artificial lining material shall have chemical compatibility, durability, heat resistance, high strength and low permeability.
Rate, easy maintenance, no secondary pollution, the permeability coefficient should be ≤1.0×10-12 cm/s, and the thickness of the upper layer should be ≥2.0 mm, and the thickness of the lower layer should be ≥
1.0 mm.
7.6.3.4 The reinforced concrete box side wall and bottom plate of the rigid structure landfill shall be designed according to the impermeability structure, and the permeability coefficient shall be ≤1.0.
×10-6 cm/s; the permeability coefficient of the artificial lining at the bottom and side of the rigid landfill should be ≤1.0×10-12 cm/s, and the thickness should be ≥2.0 mm.
7.
Related standard:   HJ 2043-2014  HJ 2044-2014
   
 
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