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HJ 1092-2020: Technical specifications for ceramic industry exhaust gas treatment
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Basic data

Standard ID HJ 1092-2020 (HJ1092-2020)
Description (Translated English) Technical specifications for ceramic industry exhaust gas treatment
Sector / Industry Environmental Protection Industry Standard
Word Count Estimation 18,131
Date of Issue 2020
Date of Implementation 2020-01-13
Issuing agency(ies) Ministry of Ecology and Environment

HJ 1092-2020: Technical specifications for ceramic industry exhaust gas treatment

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Technical specifications for ceramic industry exhaust gas treatment National Environmental Protection Standards of the People's Republic of China Technical Specification for Waste Gas Treatment Engineering in Ceramic Industry 2020-01-14 release 2020-01-14 Implementation Issued by the Ministry of Ecology and Environment

Table of contents

Foreword...II 1 Scope of application...1 2 Normative references...1 3 Terms and definitions...2 4 Pollutants and pollution load...3 5 General requirements...4 6 Process design...6 7 Main process equipment and materials...9 8 Inspection and process control...10 9 Main auxiliary projects...11 10 Work Safety and Occupational Health...12 11 Construction and acceptance...12 12 Operation and maintenance...13

Foreword

In order to implement the "Environmental Protection Law of the People's Republic of China" and "The Air Pollution Prevention Law of the People's Republic of China" and other laws and regulations, Prevent and control environmental pollution, improve the quality of the ecological environment, standardize the construction and operation management of the ceramic industry waste gas treatment project, and formulate the standard. This standard specifies the technical requirements for the design, construction, acceptance and operation management of waste gas treatment projects in the ceramic industry. This standard is a guiding standard. This standard is issued for the first time. This standard was formulated by the Department of Science, Technology and Finance, and the Department of Regulations and Standards of the Ministry of Ecology and Environment. Drafting organizations of this standard. Changsha Vocational and Technical College of Environmental Protection, Hunan Province Eco-Environmental Affairs Center, Hunan Xiangniuhuan Bao Industrial Co., Ltd., Environmental Standard Research Institute of Ministry of Ecology and Environment, Hengyang Ecological Environment Monitoring Center of Hunan Province. This standard was approved by the Ministry of Ecology and Environment on January 13, 2020. This standard will be implemented on January 14, 2020. This standard is interpreted by the Ministry of Ecology and Environment. Technical Specification for Waste Gas Treatment Engineering in Ceramic Industry

1 Scope of application

This standard specifies the overall requirements, process design, testing and process control, construction acceptance, and Technical requirements such as operation and maintenance. This standard applies to the industrial production process of daily-use and furnishing artistic porcelain, architectural ceramics, sanitary ceramics and special ceramics (not including (Including fuel coal gas system) waste gas treatment project can be used as the environmental impact assessment and feasibility study of ceramic industry construction projects, The basis for the design, construction, acceptance, operation and management of environmental protection facilities. This standard does not apply to waste gas treatment in the production process of ceramic coating materials and glazes. For the waste gas treatment projects of water gas stations, coal water slurry stations and other public works of ceramic enterprises, refer to the "Code for Design of Producer Gas Stations" (GB 50195) and other related technical specifications.

2 Normative references

The content of this standard refers to the terms in the following documents. For undated reference documents, the effective version is applicable to this standard. GB/T 6719 Technical requirements for bag filter GB 12348 Environmental Noise Emission Standard at the Boundary of Industrial Enterprises GB/T 12801 General Principles of Safety and Health Requirements for Production Process GB 13691 Technical Regulations for Dust Prevention in Ceramic Production GB 15562.1 Environmental protection graphic sign discharge outlet (source) GB/T 16157 Determination of particulate matter in exhaust from stationary sources and sampling method for gaseous pollutants GB/T 16483 Chemical safety technical specification content and item sequence GB 18597 Pollution Control Standard for Hazardous Waste Storage GB 18599 Pollution control standard for general industrial solid waste storage and disposal sites GB 25464 Pollutant Emission Standard for Ceramic Industry GB/T 28001 Occupational Health and Safety Management System Specification GB 50007 Code for Design of Building Foundation GB 50009 Building structure load code GB 50010 Code for Design of Concrete Structures GB 50014 Outdoor Drainage Design Code GB 50015 Code for Design of Building Water Supply and Drainage GB 50016 Code for fire protection of building design GB 50017 Steel Structure Design Code GB 50019 Design Code for Heating, Ventilation and Air Conditioning of Industrial Buildings GB 50033 Building Lighting Design Standard GB 50034 Architectural Lighting Design Standard GB 50046 Code for anti-corrosion design of industrial buildings GB 50051 Chimney Design Code GB 50052 Code for Design of Power Supply and Distribution System GB 50054 Low Voltage Power Distribution Design Code GB 50055 General Electric Equipment Power Distribution Design Code GB 50057 Code for lightning protection design of buildings GB/T 50087 Industrial Enterprise Noise Control Design Code GB 50116 Design Code for Automatic Fire Alarm System GB 50168 Code for Construction and Acceptance of Cable Lines of Electrical Installation Engineering GB 50169 Code for construction and acceptance of grounding devices for electrical installations GB 50187 General Layout Design Specification for Industrial Enterprises GB 50191 Code for seismic design of structures GB 50194 Safety Code for Power Supply and Use at Construction Site GB 50195 Code for design of producer gas station GB 50195 Code for design of producer gas station GB 50204 Code for Acceptance of Construction Quality of Concrete Structure Engineering GB 50231 General specification for construction and acceptance of mechanical equipment installation engineering GB 50236 Code for construction and acceptance of welding engineering of field equipment and industrial pipelines GB 50243 Ventilation and air conditioning engineering quality acceptance code GB 50252 Uniform Standard for Construction Quality Acceptance of Industrial Installation Engineering GB 50254 Low-voltage electrical construction and acceptance specification for electrical installation engineering GB 50257 Code for construction and acceptance of electrical installations in explosive and fire hazardous environments for electrical installations GB 50275 Compressor, fan, pump installation engineering construction and acceptance specification GB 50300 Unified Standard for Construction Quality Acceptance of Building Engineering GBZ 1 Hygienic Standard for Design of Industrial Enterprises GBZ 2.1 Occupational exposure limit for hazardous factors in industrial sites Chemical hazardous factors GBZ 2.2 Occupational Exposure Limits for Hazardous Factors in Industrial Sites Physical Factors JB/T 11638 Machinery Industry Standard for Wet Electrostatic Precipitator HJ 75 Technical specification for continuous monitoring of emission of stationary pollution source flue gas (SO2, NOX, particulate matter) HJ 76 Technical requirements and testing methods for continuous monitoring system for emission of stationary pollution source flue gas (SO2, NOX, particulate matter) HJ 179 Limestone/lime-gypsum wet flue gas desulfurization engineering general technical specifications HJ/T 251 Technical Requirements for Environmental Protection Products Roots Blower HJ/T 283 Technical Requirements for Environmental Protection Products, Chamber Filter Press and Plate and Frame Filter Press HJ/T 288 Technical requirements for environmental protection products Wet exhaust gas desulfurization and dust removal device HJ/T 319 Technical requirements for environmental protection products, granite type wet exhaust gas desulfurization and dust removal device HJ/T 328 Technical requirements for environmental protection products pulse jet bag filter HJ/T 330 Technical Requirements for Environmental Protection Products HJ/T 397 Fixed source exhaust gas monitoring technical specification HJ 562 Technical Specification for Waste Gas Denitration Engineering in Thermal Power Plants Selective Catalytic Reduction Method HJ 563 Technical Specification for Waste Gas Denitration Engineering in Thermal Power Plants Selective Non-catalytic Reduction Method HJ.2000 Technical Guidelines for Air Pollution Control Engineering HJ.2016 Environmental Engineering Terminology HJ 2020 General Technical Specification for Bag Dust Removal Engineering HJ 2028 General Technical Specification for Electrostatic Precipitation Engineering HJ 2050 Environmental Engineering Design Document Preparation Guide HJ 2523 Technical Requirements for Environmental Protection Products Ventilation Muffler "Technical Requirements for Standardized Remediation of Sewage Outlets" (formerly the National Environmental Protection Agency Environmental Supervision [1996] No. 470) "Administrative Measures for Automatic Monitoring of Pollution Sources" (Formerly Order of the State Environmental Protection Administration [2005] No. 28) "Interim Measures for Environmental Protection Acceptance of Construction Projects Completed" (Guo Environmental Guidance and Environmental Assessment [2017] No. 4) "Construction Project Completion Environmental Protection Acceptance Technical Guidelines Pollution Impact Category" (Ministry of Ecology and Environment Announcement No. 9 of.2018) "Emergency Management Measures for Environmental Emergencies" (formerly Ministry of Environmental Protection Order No. 34,.2015) "Administrative Measures for the Recordation of Emergency Response Plans for Environmental Incidents of Enterprises and Institutions (Trial)" (Huanfa [2015] No. 4)

3 Terms and definitions

The following terms and definitions defined by GB 25464 apply to this standard. 3.1 ceramic industry Refers to the use of clay, other mineral raw materials or industrial raw materials to make various ceramics through the process of crushing, molding, and calcination. The porcelain product industry mainly includes daily-use porcelain and furnishing art porcelain, architectural ceramics, sanitary ceramics and special ceramics. 3.2 spray drying tower exhaust gas Refers to the waste gas discharged during the process of drying slurry into powder by spray drying tower. 3.3 Furnace exhaust gas Refers to the waste gas produced by the drying and firing process of the green body in kilns such as roller kilns, tunnel kilns or batch kilns in ceramic production. 3.4 dust exhaust gas Refers to the exhaust gas containing particulates produced by other production equipment and places other than kilns and spray drying towers in the ceramic industry. 3.5 oxygen content Refers to the excess free oxygen contained in the exhaust gas when fuel is burned, usually expressed as a percentage of dry basis volume.

4 Pollutants and pollution load

4.1 Source and classification of pollutants The ceramic industry waste gas mainly includes kiln flue gas, spray drying tower flue gas and dust-containing waste gas, and the ceramic industry air pollutant emission The types of radioactive sources and pollutants are shown in Table 1. 4.2 Pollution load 4.2.1 Parameters such as waste gas volume, temperature, pressure, oxygen content and humidity required for the design of spray drying tower and kiln flue gas treatment system The number is generally provided by the production process design and equipment production unit. 4.2.2 The concentration of pollutants in spray drying tower and kiln flue gas generally pass field testing, analog investigation of similar projects, and pilot test obtain. Exhaust gas parameters should be tested according to GB/T 16157.Analog investigation of similar projects should consider equipment scale and product variety Types, production materials, fuel types and other factors. When the relevant data cannot be obtained, please refer to the data in Table 2 and Table 3. 4.2.3 The air volume of the dust-containing waste gas treatment system should be based on the types and characteristics of particulate matter, the form of the gas hood, and the dust-producing point of the equipment. Control air volume, etc., shall be determined in accordance with GB 50019, GB 13691 or similar engineering design experience. 4.2.5 The design load of the exhaust gas treatment system should fully consider the processing equipment under the maximum load and the change of raw and auxiliary materials. The adaptability of the system ensures its stable operation.

5 General requirements

5.1 General provisions 5.1.1 The construction and operation management of ceramic industrial enterprises shall comply with relevant national and local laws, regulations, industrial policies, industrial pollution Management requirements such as pollution prevention and control technology policies and plans, and strictly implement national, industry and local standards and regulations. 5.1.2 The design, construction and operation of the ceramic industry waste gas treatment project should meet the environmental impact assessment report and review of the construction project. The provisions of the approved opinions strictly implement the "three simultaneous" system of environmental protection facilities. Compilation of design documents for waste gas treatment engineering of ceramic enterprises For format and depth, please refer to the requirements of HJ 2050. 5.1.3 After treatment of ceramic industry waste gas, the emission should meet the requirements of GB 25464 and local emission standards, and meet the total amount of pollutants Regulations for control and discharge permits. 5.1.4 The technical level, equipment configuration, automatic control and testing of waste gas treatment engineering should be in line with the production process, equipment and management level To adapt, the obsolete technology and equipment that have been eliminated shall not be used. 5.1.5 Ceramic industry enterprises should prevent secondary pollution from the aspects of technology, system and management, and prepare emergency environment as required Incident emergency plan. 5.1.6 The design, construction, installation and commissioning of the ceramic industry waste gas treatment project should be undertaken by a unit with corresponding qualifications. In addition to complying with the provisions of this standard, it should also comply with the current national compulsory standards for engineering quality, safety, occupational health, and fire protection. Standard regulations. 5.1.7 The spray drying towers and kiln flue gas treatment projects of ceramic enterprises included in the management of key pollutant discharge units of the atmospheric environment should be installed Install a qualified continuous monitoring system for flue gas emissions, monitoring and alarm systems, and emergency treatment systems. Online monitoring facilities should be Networking of local ecological environment departments. Set up standardized sewage outlets in accordance with "Technical Requirements for Standardized Remediation of Sewage Outlets" The exhaust gas discharge port (source) mark required by GB 15562.1. 5.2 Source control 5.2.1 Ceramic industry enterprises should actively adopt energy-saving emission reduction and clean production technologies to control the generation of pollutants from the source. Should follow The principles of comprehensive treatment, recycling, emission compliance, and total control. 5.2.2 Ceramic industry enterprises should use non-toxic, low-toxic or less harmful auxiliary materials to replace the color and glaze containing lead, cadmium and other toxic and harmful substances Raw materials and additives such as low sulfur, low chlorine, low fluorine, and low volatile organic compounds should be used as raw materials and other auxiliary additives. 5.2.3 Ceramic industry enterprises should actively use clean energy such as natural gas, and kilns should use equipment with good heat preservation and airtightness, Warm waste gas should adopt heat exchange technology to recover heat energy, improve energy use efficiency, and reduce pollutant emissions. 5.2.4 Waste gas treatment project should select safe, environmentally friendly and energy-saving waste gas treatment technology and equipment according to the production process of the enterprise. 5.2.5 The conveying equipment of dry powder materials should be sealed and operated under negative pressure to reduce the leakage of pollutants. 5.3 Construction scale 5.3.1 The scale of the waste gas treatment project is determined by the total designed air volume of each part of the spray drying tower flue gas, kiln flue gas, and dust-containing waste gas. 5.3.2 Determine the construction scale of the treatment system based on the air volume of each waste gas treatment system determined in 4.2.In addition, desulfurization should also be considered Factors such as absorption liquid circulation system, by-product processing system and filter area of dust collector. 5.3.3 The circulating water volume of the absorption liquid circulation system of the desulfurization system, the dehydration capacity of the by-product treatment system, and the filter area of the dust collector It is also an integral part of the construction scale. 5.4 Project composition 5.4.1 The ceramic industry waste gas treatment project consists of the main project, auxiliary projects and public projects. 5.4.2 The main project includes spray drying tower flue gas treatment system, kiln flue gas treatment system and dusty waste gas treatment system. a) Spray drying tower flue gas treatment system The spray drying tower flue gas treatment system is generally composed of pipes and exhaust tube systems, dust collectors, absorbent preparation and denitration dosing systems System, absorption system, by-product processing system, slurry discharge and recovery system, detection and process control system. b) Furnace flue gas treatment system The kiln flue gas treatment system consists of pipes and exhaust pipe systems, flue gas pretreatment systems, absorbent preparation systems, absorption systems, By-product processing system, slurry discharge and recovery system, detection and process control system constitute. c) Dust-containing waste gas treatment system The dust-containing waste gas treatment system consists of a gas hood, pipe and exhaust system, dust collector, ash unloading and transportation system, fan, inspection The composition of measurement and process control system. 5.4.3 Auxiliary works include electrical systems, water supply and drainage and fire fighting systems, heating, ventilation and air conditioning, buildings and structures, etc. 5.4.4 Public works include power supply system, compressed air system and circulating water system. 5.5 General layout 5.5.1 The overall layout of the ceramic industry waste gas treatment project should be included in the overall plan of the ceramic enterprise construction project, and should be The relevant process layout is considered uniformly, and the layout is reasonable. The general layout should meet the relevant regulations of GB 50187 and GB 13691. 5.5.2 The layout of the ceramic waste gas treatment project should meet the function and treatment process requirements of each treatment unit. The waste gas treatment equipment The arrangement should be as close as possible to the pollution source and close to the recycling point of the recycled materials. The arrangement should conform to the process, be concentrated and compact, and meet Requirements for construction, installation and maintenance. Exhaust cylinders should be arranged in the upper wind direction of the surrounding environmentally sensitive targets as much as possible. 5.5.3 High-noise sources such as fans, air compressors, and exhaust pipes should be arranged as far away as possible from the factory boundary, and the buildings in the factory should be fully utilized for sound insulation. 5.5.4 Raw material warehouses, finished product warehouses and solid waste storage warehouses that are prone to generate dust should be convenient for transportation and avoid layout The upwind direction of environmentally sensitive objects should be stored indoors, and the vents and transportation channels should be set as far away as possible from the factory boundary. 5.5.5 For the flue gas desulfurization project, a process with a small footprint and a simple process should be preferred. Absorbent preparation system and absorption tower phase When it is far away, it is advisable to set up an absorbent intermediate tank near each absorption tower. When using powdered desulfurizer, the material handling area should be set up Consider the wind direction. When alkaline waste residues such as calcium carbide slag, white mud, etc. are used as desulfurizers, the absorbent preparation system is given priority In the place of material transportation. The overall design of the flue gas desulfurization system shall meet the requirements of HJ 179. 5.5.6 The overall design of the SNCR denitration system for kiln flue gas shall meet the requirements of HJ 563. 5.5.7 The general drawing design of the dust-containing waste gas treatment system shall meet the requirements of HJ 2020.

6 Process design

6.1 General provisions 6.1.1 The ceramic waste gas treatment project should be based on the current national and local emission standards, total emission control of major pollutants, and environmental assessment The requirements for approval and pollution discharge permits, clarify the exhaust gas treatment goals, and combine the scale of the ceramic enterprise, the type and amount of fuel The actual situation of the firing temperature, waste gas volume, waste gas composition and pollutant concentration, choose the corresponding treatment process. 6.1.2 The ceramic waste gas treatment technology should be selected as a priority to be included in the national advanced pollution prevention and control demonstration technology list, and the country encourages development. Exhaust gas treatment processes in the catalog of environmental protection technologies, industrial pollution prevention and control technology policies, and industry pollution prevention and control feasible technology guidelines Technology and equipment. 6.1.3 The new technology and equipment of ceramic waste gas treatment shall be used after obtaining the pilot test data. Encourage the use of multi-pollutant synergy Governance technology. 6.1.4 The waste heat recovery and utilization measures shall be adopted for the flue gas of the kiln, which shall be considered together with the waste gas treatment system in the design. 6.1.5 The design of the waste gas treatment project should take into account the occupational health protection requirements of GBZ 1, GBZ 2.1, and GBZ 2.2. 6.1.6 The dust removal system, desulfurization system and denitration system should not be equipped with flue gas bypass. 6.2 Selection of waste gas treatment process 6.2.1 The sources and by-products of desulfurization and denitrification agents should be considered comprehensively according to the characteristics of the enterprise's exhaust gas characteristics, emission rules and emission requirements. For the disposal of materials, the mature, advanced, efficient, safe and economical treatment technology shall be adopted first. 6.2.2 The spray drying tower flue gas treatment should choose the denitration and dust removal wet desulfurization process. Dust removal should adopt cyclone dust bag type removal The SNCR method can be used for dust and denitration, and the lime-gypsum method is recommended for desulfurization. Recommended process for spray drying tower flue gas treatment see picture 1. 6.2.3 The kiln flue gas treatment should adopt the denitrification wet dust removal and desulfurization process, and the denitrification can adopt the SNCR method or the SCR method. The lime-gypsum method is recommended to take into account the coordinated treatment of fluoride, chloride, heavy metals and their compounds. Furnace flue gas treatment The recommended process of the treatment process is shown in Figure 2. 6.2.4 The kiln and spray drying tower can adopt the combined treatment technology of kiln and spray drying tower flue gas. Furnace-spray drying tower flue gas connection Refer to Figure 3 for the recommended process of the combined treatment process. 6.2.5 For the end treatment of wet desulfurization flue gas, wet electric dust removal tec...

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