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HJ 2037-2013

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HJ 2037-2013English499 Add to Cart Days<=4 Technical specifications for centralized incineration disposal engineering on PCBs waste Valid HJ 2037-2013
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Detail Information of HJ 2037-2013; HJ2037-2013
Description (Translated English): Technical specifications for centralized incineration disposal engineering on PCBs waste
Sector / Industry: Environmental Protection Industry Standard
Classification of Chinese Standard: Z70
Classification of International Standard: 13.030.40
Word Count Estimation: 19,171
Quoted Standard: GB 151; GB/T 7190.1; GB/T 7190.2; GB 8978; GB 12348; GB/T 12801; GB 13015; GB 15562.2; GB 18452; GB 18484; GB 18597; GB/T 28001; GB 50736; GB 50028; GB 50034; GB 50057; GB/T 50062; GB 50156; GB 50431; GB 50205; GB 50014; GB 50016; GBJ 22; GB 50140; GB/T 1
Drafting Organization: Shenyang Academy of Environmental Sciences (National Environmental Protection hazardous waste disposal engineering and technology (Shenyang) Center)
Administrative Organization: Department of Environmental Protection
Regulation (derived from): Department of Environmental Protection Notice No. 60 of 2013
Summary: This standard specifies the incineration project design, construction, commissioning and operation and management of the technical requirements of the process waste containing PCBs. This standard applies specifically for the disposal of PCB-containing was

HJ 2037-2013
Technical specifications for centralized incineration disposal engineering on PCBs waste
Technical specification for polychlorinated biphenyl waste incineration disposal engineering
Technical specifications for centralized incineration disposal
Engineering on PCBs waste
Ministry of Environmental Protection
National Environmental Protection Standard of the People's Republic
Published on.2013-09-26
2013-12-1 Implementation
release
Content
1 Scope..1
2 Normative references 1
3 Terms and definitions. 2
4 Contaminants and pollution loads.4
5 General requirements..4
6 PCBs waste incineration disposal engineering process design..5
7 Main process equipment and materials..9
8 Detection and Process Control..11
9 Auxiliary Engineering Design.12
10 Labor Safety and Occupational Health 13
11 Construction and acceptance..14
12 Operation and maintenance..15
To implement the Law of the People's Republic of China on the Prevention and Control of Environmental Pollution by Solid Wastes, to regulate the design of waste treatment facilities containing polychlorinated biphenyls.
Construction and operation management to prevent environmental pollution caused by incineration of PCB-containing wastes, protect the environment, and protect human health.
standard.
This standard specifies the relevant technologies in the process of design, construction, acceptance and operation management of polychlorinated biphenyl waste incineration disposal projects.
Claim.
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 (National Environmental Protection Hazardous Waste Disposal Engineering Technology (Shenyang) Center).
This standard was approved by the Ministry of Environmental Protection on September 26,.2013.
This standard has been implemented since December 1,.2013.
This standard is explained by the Ministry of Environmental Protection.
Foreword
Technical specification for polychlorinated biphenyl waste incineration disposal engineering
1 Scope of application
This standard specifies the technical requirements for the design, construction, acceptance and operation management of polychlorinated biphenyl waste incineration disposal projects.
begging.
This standard applies to the construction and operation of waste incineration disposal projects containing polychlorinated biphenyls.
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 151 shell and tube heat exchanger
GB 5085.1-7 Hazardous Waste Identification Standard
GB 7190 glass fiber reinforced plastic cooling tower
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 13015 Contains PCB pollution control standards
GB 15562.2 Environmental Protection Graphic Mark - Solid Waste Storage (Disposal) Site
GB 18452 crushing equipment safety requirements
GB 18484 Hazardous Waste Incineration Pollution Control Standard
GB 18597 Hazardous Waste Storage Pollution Control Standard
GB/T 28001 Occupational Health and Safety Management System Requirements
GB 50019 Heating, Ventilation and Air Conditioning Design Code
GB 50028 town gas design code
GB 50034 Architectural Lighting Design Code
GB 50057 building lightning protection specification
GB 50062 Specification for relay protection and automatic devices for electrical installations
GB 50156 Refueling and gas station design and construction specification
GB 50431 belt conveyor engineering design specification
GB 502221 Steel Structure Engineering Quality Assessment Standard
GB J14 Outdoor Drainage Design Code
GB J16 Building Design Fire Code
GB J22 factory mine road design specification
GB J87 industrial enterprise noise control design specification
GB J140 building fire extinguisher configuration design specification
GB/T.19923 Urban sewage recycling industrial water quality
GBZ 1 industrial enterprise design hygiene standard
GBZ 2.1 Workplace harmful factors Occupational exposure limits Chemical harmful factors
GBZ 2.2 Workplace harmful factors occupational exposure limit physical factors
HJ/T 20 Technical Specifications for Sampling and Sample Preparation of Industrial Solid Waste
HJ/T 176 Technical Specifications for Construction of Hazardous Waste Centralized Incineration Disposal Project
HJ/T 324 Environmental Protection Products Technical Requirements Bag Filters
HJ/T 324 environmental protection product technical requirements bag filter bag
HJ/T 365 Hazardous Waste (including Medical Waste) Incineration and Disposal Facilities Dioxin Emission Monitoring Technical Specifications
HJ 561-2010 Technical Specifications for Performance Testing of Hazardous Waste (including Medical Waste) Incineration Disposal Facilities
HJ 2020-2012 General technical specifications for bag dust removal engineering
HG/T 20566 rotary kiln design regulations
Technical requirements for JB/T 1388 compound pendulum jaw crusher
JB/T 8690 industrial fan noise limit
Measures for the Management of Pollution Sources Monitoring (Huanfa [1999] No. 246)
Measures for the Administration of Hazardous Waste Transfer Joint Orders (Order No. 5 of the State Environmental Protection Administration)
Guidelines for Preparing Emergency Plans for Hazardous Waste Business Units (State Environmental Protection Administration Announcement [2007] No. 48)
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1 Polychlorinated biphenyls for waste
Refers to polychlorinated biphenyls (PCBs) containing wastes listed in the National Hazardous Wastes List.
3.2 Incineration incineration
Refers to the process of burning and burning PCBs waste at high temperature to decompose and harm.
3.3 Incinerator incinerator
Refers to the main unit that incinerates waste containing PCBs, which is a pyrolysis gasification incinerator consisting of a rotary kiln and a secondary combustion chamber.
3.4 Incineration amount
Refers to the weight of waste containing PCBs incinerators per unit time.
3.5 Incineration residues
Refers to the combustion residue discharged after the burning of PCBs-containing waste, the fly ash generated by the exhaust gas purification device, and other solid and semi-solid
State substance.
3.6 Deconstruction removal rate (DRE)
Refers to the difference between the quality of the PCBs in the incinerated waste and the quality of the PCBs remaining in the emitted flue gas, accounting for the incineration
The percentage of PCBs quality. The expression for DRE is as follows.
DRE=(Wi-Wo)/Wi ×100% (1)
In the formula.
Wi- is the mass of PCBs burned in unit time, kg/h;
Wo- is the mass of PCBs in the flue gas discharged per unit time, kg/h.
3.7 thermal burn rate loss of ignition
Refers to the percentage of the mass of the incineration residue that has been reduced by the burning of the incineration residue. Its calculation formula is as follows.
P= (AB)/A ×100% (2)
In the formula.
P-thermal burning rate, %;
A-quality of the original incineration residue after drying at room temperature, g;
B-Incineration residue is heated to 600 ° C (± 25 ° C) for 3 h, then cooled to room temperature, g.
3.8 smoke retention time
Refers to the residence time between the flue gas generated by combustion from the last burner exit to the flue cooling spray port.
[GB 18484]
3.9 Incinerator temperature incinerator temperature
Refers to the temperature at the exit center of the incinerator combustion chamber. [GB 18484]
3.10 Combustion efficiency (CE)
Refers to the percentage of the concentration of carbon dioxide in the exhaust gas of the flue and the concentration of carbon dioxide and carbon monoxide, expressed as CE.
Its calculation formula is.
CE=[CO2]/([CO2] [CO]) ×100% (3)
In the formula.
[CO2] and [CO]- are the concentrations of CO2 and CO in the exhaust after combustion, respectively. [GB 18484]
3.11 Dioxins dioxins
Refers to the general term for polychlorinated dibenzo-p-dioxin and polychlorinated dibenzofurans [GB 18484].
3.12 dioxin toxicity equivalent (TEQ) toxic equivalent
Refers to the ratio of the dioxin-toxic congener to the affinity of 2,3,7,8-tetrachlorodibenzo-p-dioxin to the Ah receptor.
TEQ indicates that its calculation formula is.
TEQ=∑ (dioxin toxicity congener concentration × TEF) (4)
In the formula.
TEF (Toxicity Equivalency Factor) - dioxin toxicity equivalent factor. [GB 18484]
4 Contaminants and pollution loads
4.1 Wastes containing PCBs are mainly capacitors, transformers, liquids and PCBs contaminated with PCBs, concrete
Structures and other items contaminated with PCBs.
4.2 The content of chlorine in the incineration waste should be controlled within 20%.
5 General requirements
5.1 General provisions
5.1.1 Incineration disposal of wastes containing PCBs shall be carried out in accordance with GB 13015.
5.1.2 Containing PCBs Waste incineration disposal project air pollution control should meet the requirements of GB 18597.
5.1.3 Process waste water containing PCBs waste incineration disposal project can be recycled after treatment or by flashing
Reason.
5.1.4 Solid waste newly generated in the operation of waste incineration disposal project including PCBs is hazardous waste.
5.1.5 Boundary noise of waste incineration disposal project with PCBs shall comply with the requirements of GB 12348.
5.1.6 Wastewater incineration disposal project with PCBs should be equipped with an online monitoring system for flue gas, and the monitoring indicators should meet the relevant HJ/T 167
Claim.
5.2 Engineering composition
5.2.1 PCB-containing waste incineration disposal project consists of main works and auxiliary works.
5.2.2 Main works of waste incineration disposal projects including PCBs include. characteristic analysis system, storage system, pretreatment and transmission
System, incineration system, flue gas purification system, process wastewater treatment system, automation control system, monitoring system, emergency response
System, etc.
5.2.3 Auxiliary works including PCBs waste incineration disposal projects include. plant wall, road, fire, power supply and distribution, auxiliary oil
Material supply, water supply and drainage, HVAC, maintenance, warehousing, communications and occupational safety protection.
5.3 Site selection
5.3.1 The site conditions of waste incineration disposal projects with PCBs shall comply with the relevant requirements set forth in HJ/T 176 and shall meet the environmental impact.
Respond to the relevant requirements of the evaluation report.
5.4 General design
5.4.1 The general plan design of the waste incineration disposal project with PCBs shall be based on the nature of the waste containing PCBs and its incineration disposal.
Point, fully consider pre-inspection, receiving metering, unloading, storage and pre-treatment, incineration, ash treatment, flue gas purification, process waste
The main disposal process such as water treatment is determined by comprehensive comparison of several schemes.
5.4.2 Vertical design of waste incineration disposal projects with PCBs should fully consider the relative standards of each vulnerable area and accident pool
High, and thus ensure that the wastewater in the polluted area and the initial rainwater on the ground are smoothly discharged into the accident pool, and the capacity design of the accident pool should be satisfied.
Relevant provisions in HJ/T 167.
5.4.3 Pre-treatment facilities, feed facilities, incineration disposal facilities, and process wastewater treatment facilities for PCB incineration disposal projects
The installation should not be set up in the open air, and the workshop where the above facilities are installed should have sufficient space to meet the process operation.
5.4.4 Containing PCBs Waste incineration disposal project site entrance and exit should achieve separation of people flow and logistics.
5.4.5 Containing PCBs Waste incineration disposal works should be fenced or fenced at the boundary of the plant to prevent livestock and unrelated personnel
enter.
5.5 General layout
5.5.1 Waste disposal and disposal projects with PCBs should be arranged with the incineration plant as the main body, and other facilities should be based on PCBs.
The waste disposal process is reasonably arranged to ensure that the relevant equipment is in good contact and the functions are fully utilized to ensure safe operation. Should avoid
The production work area intersects with the office area.
5.5.2 Location of pre-inspection areas, weighing instruments, storage areas and PCB-containing wastes containing PCBs waste incineration disposal projects
The in-plant transportation route should be reasonably arranged to minimize the number of waste transportation and the transshipment distance.
5.5.3 Wastewater incineration disposal project including PCBs The inflow line of the incineration line shall be consistent with the dominant wind direction of the plant, and the chimney shall be located under the plant area.
Wind direction. The water supply facility should be built at the leading wind direction of the plant.
5.6 Factory road
5.6.1 Road load grades in the plant containing wastes incineration disposal project shall comply with the relevant provisions of GB J22 and be able to meet
For transportation, fire protection and various pipelines, cement concrete or asphalt concrete should be used for the road surface.
5.6.2 Waste roads containing PCBs Waste incineration disposal works should be arranged in a circular shape, and the road width should not be less than 6m. Outside the plant
For fire-fighting roads, the width of the road should not be less than 3.5m.
5.6.3 Including wastes in the incineration disposal project area of the PCBs, temporary parking lots for waste transportation vehicles can be set up near the logistics entrances and exits.
6 Process design of waste incineration disposal engineering with PCBs
6.1 Wastewater incineration disposal process with PCBs
6.1.1 Containing PCBs Waste incineration disposal mainly includes waste receiving, characteristic analysis, classified storage, pretreatment, transportation and feeding,
Process links such as incineration disposal, flue gas purification and process wastewater treatment.
6.1.2 Wastewater incineration disposal process with PCBs It is necessary to achieve effective connection of various process links. The specific process is shown in Figure 1.
6.2 Receiving waste
6.2.1 Wastes incineration disposal projects with PCBs should be set up in the pre-inspection area of the plant. The design of the pre-inspection area should meet the following requirements.
a) The location and area of the pre-screening area should meet the requirements for vehicle access;
b) The ground in the pre-examination area shall be hard covered, and the seepage prevention shall meet the relevant requirements in GB 18597;
c) Isolation channels should be installed around the pre-inspection area to prevent accidental leakage of liquid waste.
6.2.2 Wastewater incineration disposal projects with PCBs shall be equipped with weighing scales, and the configuration requirements shall be in accordance with the relevant provisions of HJ/T 176.
6.3 Analysis of the characteristics of waste
6.3.1 Containing PCBs Waste incineration disposal engineering characteristics analysis and identification laboratory should have sample pretreatment, PCBs content determination, yuan
Functions such as elemental analysis, calorific value measurement and moisture measurement, which can be used for the physical properties of PCB-containing waste, PCBs content, and halogen.
The content of the element, the content of S, the content of N, the composition and content of heavy metal elements were analyzed. Refer to 7.1 for the equipment requirements for analytical instruments.
6.3.2 The analysis of PCBs containing PCBs waste should be carried out according to the current national analytical methods.
6.3.3 Containing PCBs Waste incineration disposal projects shall establish a storage system for the identification and identification of PCBs containing waste characteristics.
Waste receiving with PCBs
Preflight and characterization
Classified storage
Pretreatment
Waste transportation and feeding
Incineration disposal
Flue gas purification process wastewater
Gas purification
emission
emission
Water treatment
Return water
Solid salt, sludge
Incineration residue
Incineration fly ash
Figure 1 Process flow of waste incineration disposal project with PCBs
6.4 Storage of waste
6.4.1 Storage of wastes containing PCBs shall comply with the requirements of GB 18597 and shall be set according to the relevant requirements of GB 15662.2.
knowledge.
6.4.2 Waste storage with PCBs should be based on the predicted total inventory capacity, the type of waste, the requirements of the supporting facilities and the existing site
Design and construction. The functional area division in the library can be divided into waste unloading area, storage area and pretreatment area.
6.4.3 Containing PCBs There should be an isolation channel around the waste storage to prevent accidental leakage of liquid waste.
6.4.4 Wastes with PCBs The site of the unloading area should be covered with steel plated ground with cofferdams to prevent seepage when PCBs are scattered.
Translucent hair.
6.4.5 Waste storage areas containing PCBs should be partitioned and designed to store different types of waste. The storage area should be based on PCBs.
Waste types and predicted storage quantities Construction of sectional storage bins and storage tanks shall be designed to meet the relevant provisions of GB 18597.
6.4.6 Containing PCBs The waste storage should be equipped with mechanical ventilation to achieve a micro-negative pressure in the warehouse. The air discharged from the reservoir should
After initial filtration and adsorption treatment, the incinerator is discharged or introduced into the operating incinerator for incineration.
6.4.7 Waste storage with PCBs shall be constructed in accordance with GB J16 and GB J140, and a complete fire protection system shall be constructed and the fire shall be properly arranged.
Disaster warning and fire extinguishing equipment.
6.4.8 Waste storage areas containing PCBs should be equipped with loading and unloading equipment such as cranes, hanging electric grabs, small forklifts and small forklifts.
And according to the need to configure removable solid material belt conveyors and special containers, tools and so on.
6.4.9 Containing PCBs Waste storage should be equipped with absorbent cotton, sawdust, sand, iron shovel, iron trough and other materials required for emergency treatment.
And items.
6.5 Waste pretreatment
6.5.1 Containing PCBs Waste pretreatment generally includes sorting and classification, transformer oil discharge, disassembly, cleaning, capacitor shearing,
Concrete structures are broken and other materials are broken, liquid filtration, material mixing, etc.
6.5.2 Wastes containing PCBs should be sorted first, and equipment such as vibrating screens can be configured for soil and larger rocks.
Separation of concrete structures.
6.5.3 The draining, cleaning and disassembling process of transformers containing PCBs shall be equipped with the necessary safety equipment.
6.5.4 Capacitor cutting and separating equipment with PCBs should be installed in the enclosed room. Capacitor crushing particle size is not more than 300mm ×
150mm × 150mm.
6.5.5 Received storage tank debris contaminated by PCBs (including brick-concrete structures, concrete raft structures and concrete prefabricated structures)
It should be crushed, and the crushing particle size should be no more than 100mm.
6.5.6 Oils containing PCBs should be transported into the atomizing burner through a metering device after being filtered and purified, and matched as needed.
Place the pressure heating device.
6.5.7 Wastes containing PCBs Before being incinerated, the materials should be compatible according to their composition and calorific value. Mixing devices should be used in the compatibility process.
Mechanical mixing of waste.
6.5.8 Various pretreatment devices containing PCBs waste should be operated under the gas collecting hood, and the extracted gas is treated by the centralized purification device.
After reaching the standard, empty or introduce an incineration system for incineration disposal.
6.6 Waste transportation and feeding
6.6.1 Wastes containing PCBs should be classified and transported as liquid and bulk solid waste.
6.6.2 Bulk solid waste or sludge containing PCBs should be first removed from the package and closed with a dedicated conveyor belt or spiral conveyor.
The feeder is sent to the incinerator.
6.6.3 The lower part of the conveying passage containing PCBs waste shall be provided with steel troughs for easy cleaning to ensure that all scattered waste cannot overflow.
6.6.4 Containing PCBs Waste incineration Disposal Feeding equipment design should consider the continuity of the feed, and set the feed port closure device to prevent
Stop the incineration of smoke and overflow.
6.6.5 Liquid waste containing PCBs should be transported to the incinerator liquid burner by pump and pressure pipeline. The conveying and feeding device should be
With splash and anti-scatter function.
6.7 Waste incineration disposal
6.7.1 Incineration system
6.7.1.1 Wastes containing PCBs The waste incineration process shall be a pyrolysis gasification incinerator consisting of a rotary kiln connected to a second combustion chamber. PCBs in waste
Pyrolysis and gasification in a rotary kiln, and the PCBs-containing gas is fully cracked and incinerated in a high-temperature atmosphere of the second combustion chamber.
6.7.1.2 The temperature of the rotary kiln should be controlled above 900 °C, and the residence time of the waste in the rotary kiln should generally be greater than 30 minutes.
The thermal decay rate of the incineration residue from the furnace should be less than 5%.
6.7.1.3 The temperature of the flue gas incineration of the second combustion chamber shall be controlled above 1200 °C, and the residence time of the flue gas shall not be less than 2 seconds.
6.7.1.4 Both the rotary kiln wall and the second combustion chamber wall shall be insulated and insulated.
6.7.1.5 The design of the rotary kiln waste inlet, the rotary kiln and the second combustion chamber connection, and the inspection furnace door shall meet the sealing of the system.
Claim.
6.7.1.6 Waste incinerators containing PCBs should be slagging in an automatic continuous manner and should not be used manually. If dry
The slag shall be provided with a spray water device for ash cooling and dust prevention.
6.7.1.7 Waste incinerators containing PCBs should be equipped with incineration residues and fly ash collection, transportation, packaging, temporary storage, etc.
Keep it closed.
6.7.2 Flue gas purification system
6.7.2.1 Wastes containing PCBs Waste incineration is high-chlorine flue gas, which should be wet quenched, alkali sprayed, smoke
Purification by combination of gas reheating, activated carbon adsorption and bag dust removal, dry or semi-dry method should not be used for flue gas desorption
acid.
6.7.2.2 The flue gas wet quenching shall cause the flue gas to cool rapidly to below 150 °C within 1 second.
6.7.2.3 Spraying the flue gas alkali solution After the flue gas is quenched, the alkaline solution such as sodium hydroxide may be used for spraying deacidification to neutralize the chlorine therein.
Hydrogenation.
6.7.2.4 In order to improve the adsorption efficiency of activated carbon and prevent condensation of fumes in the bag after deacidification, the indirect or direct side shall be used.
It is reheated to 130 ° C or higher.
6.7.2.5 Before the reheated flue gas enters the bag filter, the activated carbon powder or other efficient technology should be used to remove the dioxins.
And other pollutants. The lime powder can be sprayed before the activated carbon powder is sprayed to absorb residual acidic substances and excess moisture in the flue gas.
6.7.2.6 To remove dust from flue gas, a bag filter should be used. It is not advisable to use an electrostatic precipitator. Design, manufacture and installation of bag filter
Should meet the relevant requirements of HJ 2020.
6.7.3 Process wastewater treatment system
6.7.3.1 Process waste water generated in the process of waste incineration including waste gas mainly includes flue gas quenching water and alkali solution spray wastewater
And the workshop site cleaning wastewater, construction of recycling facilities or flashing facilities. At the same time, the initial rainwater in the plant area should also be scrapped according to the process.
The water is processed.
6.7.3.2 Process wastewater treatment systems should generally include a homogeneous conditioning tank, a heat exchange cooling device, a flocculation settling tank, a desalination device,
The storage tank and other auxiliary equipment, process wastewater treatment should be carried out under closed conditions.
6.7.3.3 The water pump and pipeline of the process wastewater treatment system shall meet the requirements of temperature resistance, pressure resistance and corrosion resistance.
6.7.3.4 The volume of the process wastewater homogenization adjustment tank should be greater than the total amount of wastewater generated by the system for 12 hours of continuous operation.
6.7.3.5 Process wastewater should be cooled by indirect cooling, and cold cooling of process wastewater should not be used.
but. The design of heat exchange and cooling devices shall comply with the relevant requirements of GB 151 and GB 7190 respectively.
6.7.3.6 It is advisable to use electrodialysis, reverse osmosis and other equipment for desalination of process wastewater. The salt content in the reuse water after desalination treatment shall not be higher than
1000mg/L.
6.7.3.7 Salt and sludge from process wastewater treatment shall be managed and disposed of as hazardous waste.
7 Main process equipment and materials
7.1 Testing equipment
7.1.1 PCBs analytical instruments should be able to achieve qualitative and quantitative analysis.
7.1.2 Heavy metal composition testing equipment, testing items should at least include Cd, Pb, As, Cu, Mn, Zn, Hg, etc.
7.1.3 For non-metallic component detection instruments, the test items shall include at least Cl, F, etc.
7.1.4 Calorific value meter and moisture analyzer.
7.1.5 Selection and use of all testing instruments including PCBs incineration disposal engineering shall comply with the requirements of relevant standards.
7.2 Crushing equipment
7.2.1 Capacitor-crushing equipment with PCBs should include crushing mainframe, hydraulic station, discharge conveyor, PCB-containing oil collection and gold
It is a casing and porcelain partition, operating platform and control cabinet.
7.2.2 Concrete structures contaminated by PCBs may be crushed by a jaw crusher. Design and manufacture of jaw crusher
The relevant requirements of JB/T 1388 shall be met, and the installation and use of the equipment shall comply with the relevant requirements of GB 18452.
7.3 Conveying equipment
7.3.1 Solid waste transportation should be transported to the incinerator through a closed gallery, and can be transported by belt conveyor.
The design and production of the delivery machine shall comply with the relevant provisions of GB 50431.
7.3.2 Liquid waste transfer pump should use oil-resistant high-pressure liquid transfer pump, and the pipeline should be oil-resistant and high-pressure resistant.
7.4 Incinerator
7.4.1 The design and manufacture of the rotary kiln shall comply with the relevant provisions of HG/T 20566.
7.4.2 The refractory material of the secondary combustion chamber should be able to work stably for a long time at 1250 °C.
7.4.3 Incinerators and high-temperature flue should be made of high-alumina refractories resistant to acid gas and high temperature.
7.5 slag equipment
7.5.1 The incineration residue should adopt automatic chain plate slag discharge machine to realize continuous automatic conveying of incineration residue.
7.5.2 If dry slag is used, a spray water device shall be provided for cooling.
7.6 Flue gas cooler
7.6.1 The venturi chiller should be a venturi chiller. The material of the chiller should be made of corrosion-resistant materials such as titanium alloy.
7.6.2 The part of the flue gas inlet before contact with the spray water shall be lined with refractory material to avoid burning of high temperature flue gas.
7.7 Alkaline spray and activated carbon powder, lime spray device
7.7.1 Sprinklers, piping and other ancillary fittings for lye sprinklers shall be constructed of alkali-resistant materials.
7.7.2 The alkaline solution should be supplied by a special preparation system with a lye concentration of 2 to 10%. The system should include at least the following main equipment.
a) a lye tank with a stirrer;
b) lye storage tank, the volume of the tank should be able to store the amount of lye spray that meets 4 hours;
c) The lye transfer pump should be able to achieve variable frequency speed regulation and adjust the amount of lye.
7.7.3 Activated carbon powder and lime powder injection equipment shall have automatic adjustment of injection quantity and metering function, and shall include at least the following equipment.
a) a storage tank for storing materials;
b) an air pump that transports material;
c) Metering device with cumulative metering function.
7.8 bag filter
7.8.1 The design and manufacture of bag filter should meet the relevant requirements of HJ 2020-2012.
7.8.2 Bag filter The filter material and filter bag should be selected to meet the relevant requirements of HJ/T 324.
7.9 induced draft fan
7.9.1 The selection of induced draft fans should be based on the principles of high efficiency, energy saving, durability, and ease of operation and maintenance.
7.9.2 The selection of the induced draft fan should meet the following conditions.
a) The flow range of the induced draft fan should be adjusted to meet the system air volume change requirements;
b) The working pressure of the induced draft fan should meet the required wind pressure at the most unfavorable point;
c) that the selected induced draft fan should be able to operate in the high efficiency zone frequently;
d) When the operating condition of the induced draft fan changes, the characteristic working curve of the induced draft fan should be corrected.
7.10 Water pump
7.10.1 Pump selection should be based on the principle of high efficiency, energy saving, unsuitable blockage, durability and easy maintenance.
7.10.2 The selection of the pump shall be determined according to the characteristics of the medium to be transported and the purpose of the pump, and the following conditions shall be met.
a) The adjustment range of the pump flow should meet the requirements for the change of water volume in the wastewater treatment;
b) The working pressure of the pump should meet the required water pressure at the most unfavorable point;
c) The selected pump should be able to operate in the high efficiency zone frequently;
d) When the pump is operating.
Related standard:   HJ 2532-2013  HJ 2533-2013
   
 
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