Air pollutant emission standards for brick and tile industry
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1 scope of application
This standard specifies the air pollutant emission limits, monitoring and monitoring requirements for the brick and tile industrial production process, as well as relevant regulations for the implementation and supervision of the standard.
This standard applies to air pollutant emission management of existing brick and tile industrial enterprises or production facilities, as well as environmental impact assessment of brick and tile industrial construction projects, design of environmental protection facilities, completion of environmental protection acceptance, and air pollutant emission management after commissioning. .
This standard applies to the production process of brick and tile sintered products using clay, shale, coal gangue, and fly ash as the main raw materials and the production process of brick and tile non-sintered products using sand, fly ash, lime, and cement as the main raw materials. This standard does not apply to the production process of bricks and tiles using sludge, garbage, other industrial tailings, etc. as raw materials.
This standard applies to pollutant discharge behaviors permitted by law. The location of newly established pollution sources and the management of existing pollution sources in special protection areas shall be implemented in accordance with the relevant provisions of laws, regulations and rules such as the "People's Republic of China Air Pollution Control Law" and "People's Republic of China Environmental Impact Assessment Law".
2 Normative references
The content of this standard refers to the following documents or clauses therein. For undated references, the valid version is applicable to this standard.
GB / T 15432 Determination of total suspended particulate matter in ambient air by gravimetric method
GB / T 16157 Determination of particulate matter in exhaust gas from stationary pollution sources and sampling methods for gaseous pollutants
HJ / T 42 Determination of nitrogen oxides in exhaust from stationary pollution sources Ultraviolet spectrophotometry
HJ / T 43 Determination of nitrogen oxides in exhaust from stationary pollution sources Spectrophotometric method of naphthalene ethylenediamine hydrochloride
HJ / T 55 Technical guideline for fugitive emission monitoring of atmospheric pollutants
HJ / T 56 Determination of sulfur dioxide in exhaust from stationary pollution sources Iodometric method
HJ / T 57 Determination of sulfur dioxide in exhaust gas from stationary pollution sources. Constant potential electrolysis method
HJ / T 67 Determination of fluoride from fixed sources of atmospheric pollution Ion-selective electrode method
HJ / T 75 Technical Specifications for Continuous Monitoring of Flue Gas Emissions from Fixed Pollution Sources (Trial)
HJ 480 Determination of fluoride in ambient air Filter membrane sampling fluorine ion selective electrode method
HJ 481 Determination of fluoride in ambient air Lime filter paper sampling fluoride ion selective electrode method
HJ 482 Determination of sulfur dioxide in ambient air-Formaldehyde absorption-pararosaniline spectrophotometric method
HJ 483 Determination of sulfur dioxide in ambient air-Tetrachloromercury salt absorption-pararosaniline spectrophotometry
"Administrative Measures for Automatic Monitoring of Pollution Sources" (Order of the State Environmental Protection Administration No. 28)
"Administrative Measures for Environmental Monitoring" (Order of the State Environmental Protection Administration No. 39)
3 terms and definitions
The following terms and definitions apply to this standard.
3.1 brick and tile industry
Industry that produces sintered tile products and non-sintered tile products through production processes such as raw material preparation, extrusion (pressing) molding, drying, baking (autoclaving).
3.2 Existing enterprise existing facility
Refers to the brick and tile industrial enterprises and production facilities that have been completed and put into operation or the environmental impact assessment documents have been approved before the implementation of this standard.
3.3 New facility
Refers to the new construction, reconstruction and expansion of brick and tile industrial construction projects whose environmental impact assessment documents have been approved since the implementation of this standard.
3.4 stack height
Refers to the height from the ground level where the exhaust pipe (or its main building structure) is located to the exit of the exhaust pipe.
3.5 standard condition
Refers to the state when the temperature is 273.15K and the pressure is 101325Pa. The air pollutant emission concentration limits specified in this standard are based on dry gas under standard conditions.
3.6 excess air coefficient
Refers to the ratio of the actual air volume to the theoretical air demand during the operation of an industrial furnace.
3.7 enterprise boundary
Refers to the legal boundaries of brick and tile industrial enterprises. If the boundary cannot be determined, it refers to the actual boundary.
4 Pollutant emission control requirements
4.1 From January 1, 2014 to June 30, 2016, existing enterprises implement the air pollutant emission limits specified in Table 1.
4.2 As of July 1, 2016, existing enterprises implement the air pollutant emission limits specified in Table 2.
4.3 As of January 1, 2014, new enterprises will implement the air pollutant emission limits specified in Table 2.
4.4 During the production process after the environmental protection acceptance of the production and construction projects of the existing enterprises, the environmental protection department in charge of supervision should monitor the environmental quality of sensitive areas around the residential, teaching, medical and other uses. The specific monitoring scope of the construction project is the environment. The surrounding sensitive areas determined by the impact assessment; for existing enterprises that have not been subjected to environmental impact assessment, the monitoring scope is monitored by the competent environmental protection department, according to the characteristics and rules of the company's sewage, and local natural and meteorological conditions, with reference to relevant environments The impact assessment technical guidelines are determined. Local governments are responsible for the environmental quality of their jurisdictions, and take measures to ensure that environmental conditions meet environmental quality standards.
4.5 Production processes and devices that produce atmospheric pollutants must have local or overall gas collection systems and centralized purification treatment devices. The height of the exhaust cylinder of the artificial drying and roasting kiln must not be lower than 15m. When there are buildings within a radius of 200m around the exhaust pipe, the height of the exhaust pipe should be more than 3m higher than the highest building.
4.6 The reference excess air coefficient is 1.7. The measured air pollutant emission concentration shall be converted into the reference excess air coefficient emission concentration. Production facilities shall adopt reasonable ventilation measures and shall not intentionally dilute emissions.
5 Pollutant monitoring requirements
5.1 General requirements for pollutant monitoring
5.1.1 The sampling of the exhaust gas discharged by the enterprise shall be carried out at the specified pollutant emission monitoring position according to the type of monitoring pollutants. If there is an exhaust gas treatment facility, it shall be monitored after the facility. Standard permanent test holes, sampling platforms and signs of sewage outlets shall be set at the pollutant discharge monitoring positions.
5.1.2 The requirements for the installation of automatic pollutant discharge monitoring equipment in new and existing enterprises shall be implemented in accordance with the relevant laws and the Measures for the Administration of Automatic Monitoring of Pollution Sources.
5.1.3 The frequency, sampling time and other requirements for monitoring the pollutant discharge of enterprises shall be implemented in accordance with the relevant national regulations on pollution source monitoring technology.
5.1.4 The enterprise shall monitor the state of pollution discharge in accordance with the relevant laws and the "Administrative Measures for Environmental Monitoring" and keep the original monitoring records.
5.2 Air pollutant monitoring requirements
5.2.1 The sampling point setting and sampling method shall be implemented in accordance with GB / T 16157 and HJ / T 75.
5.2.2 Perform fugitive emission monitoring when the orientation of sensitive buildings is necessary, and the specific requirements shall be monitored in accordance with HJ / T 55.
5.2.3 The methods and standards listed in Table 4 are used to determine the concentration of air pollutants emitted by enterprises.
6 Implementation and supervision
6.1 This standard shall be supervised and implemented by the environmental protection administrative department of the people's government at or above the county level.
6.2 In any case, enterprises shall comply with the requirements for the control of air pollutant emissions in this standard and take necessary measures to ensure the normal operation of pollution prevention facilities. Environmental protection departments at all levels may conduct on-site instant sampling or monitoring results when conducting supervisory inspections of facilities, as a basis for determining whether the discharge behavior meets emission standards and implementing relevant environmental protection management measures.
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