GB 28664-2012Emission standard of air pollutants for steelmaking industry (English PDF)

Foreword

To implement the "Environmental Protection Law of the People's Republic of China", the Law of the People's Republic of China on Prevention and Control of Atmospheric Pollution

Laws and Laws of the Republic's Marine Environmental Protection Law and the State Council's Decision on Implementing the Scientific Outlook on Development and Strengthening Environmental Protection

Regulations and the "Opinions of the State Council on the Preparation of National Main Functional Zone Planning" to protect the environment, prevent pollution, and promote the steelmaking industry

The development of production processes and pollution control technologies, the development of this standard.

This standard specifies the emission limits, monitoring and monitoring requirements for air pollutants in steel-making production enterprises. To promote regional economy

Coordinated development with the environment, promoted the adjustment of economic structure and the transformation of economic growth mode, and guided the production process and pollution of the steel industry

The development direction of dyeing and treatment technology, this standard specifies the special emission limits for atmospheric pollutants.

The water pollutants, odor pollutants and environmental noise emitted by steel-making enterprises shall be subject to the corresponding national pollutant discharge standards.

The identification, treatment and disposal of solid waste generated are subject to national solid waste pollution control standards.

This standard is the first release.

From the date of implementation of this standard, the emission control of atmospheric pollutants in steel-making production enterprises shall be implemented in accordance with the provisions of this standard, no longer

Implementation of the "Integrated Emission Standards for Air Pollutants" (GB 16297-1996) and "Emission Standards for Air Pollutants in Industrial Furnaces" (GB )

Relevant provisions in 9078-1996).

Local provincial people's governments may formulate local pollutant discharge standards for pollutants not specified in this standard;

The pollutants items that have been stipulated in this standard may be formulated with local pollutant discharge standards that are stricter than this standard.

This standard was formulated by the Science and Technology Standards Department of the Ministry of Environmental Protection.

This standard was drafted. Baoshan Iron and Steel Co., Ltd., Shanghai Baosteel Engineering Technology Co., Ltd., Ministry of Environmental Protection

Institute of Environmental Standards.

This standard was approved by the Ministry of Environmental Protection on June 15,.2012.

This standard has been implemented since October 1,.2012.

This standard is explained by the Ministry of Environmental Protection.

Emission standards for air pollutants in the steel industry

1 Scope of application

This standard specifies the emission limits, monitoring and monitoring requirements for air pollutants in steel-making enterprises or production facilities, and

Relevant regulations such as implementation and supervision.

This standard applies to the management of atmospheric pollutants in existing steelmaking enterprises or production facilities, as well as the construction of steel industry.

Objective Environmental impact assessment, environmental protection facility design, completion environmental protection acceptance and air pollutant discharge pipe after commissioning

Reason.

This standard only applies to the pollutant discharge behavior permitted by law; the location of the newly established pollution source and the special protection area are

Management of pollution sources, in accordance with the Law of the People's Republic of China on Prevention and Control of Air Pollution, and the Prevention and Control of Water Pollution in the People's Republic

Law, Law of the People's Republic of China on Marine Environmental Protection, Law of the People's Republic of China on the Prevention and Control of Environmental Pollution by Solid Wastes,

Laws and Regulations such as the Law of the People's Republic of China on Prevention and Control of Radioactive Pollution and the Law of the People's Republic of China on Environmental Impact Assessment

The relevant provisions of the regulations are implemented.

2 Normative references

The contents of this standard refer to the terms in the following documents.

GB/T 15432-1995 Determination of total suspended particulate matter in ambient air

GB/T 16157-1996 Determination of particulate matter in fixed pollution source exhaust gas and sampling method of gaseous pollutants

HJ/T 67-2001 Determination of Fluoride in Fixed Atmospheric Sources Ion Selective Electrode Method

HJ/T 77.2-2008 Determination of Dioxins in Ambient Air and Exhaust Gases Isotope Dilution High Resolution Gas Colors

Spectral-high resolution mass spectrometry

HJ/T 397-2007 Fixed source exhaust gas monitoring technical specification

Measures for the Automatic Monitoring and Control of Pollution Sources (Order No. 28 of the State Environmental Protection Administration)

Measures for the Administration of Environmental Monitoring (Order No. 39 of the State Environmental Protection Administration)

3 Terms and definitions

The following terms and definitions apply to this standard.

4 Air pollutant emission control requirements

4.1 From October 1,.2012 to December 31,.2014, existing companies implement the air pollutants specified in Table 1.

Emission limit.

Table 1 Limits of atmospheric pollutant emission concentration of existing enterprises

Unit. mg/m3 (except dioxin)

Pollutant project production process or facility limit pollutant emission monitoring position

Particulate converter (primary flue gas) 100 workshop or production facility exhaust

Mixed iron furnace and hot metal pretreatment (including pouring tank, slag, etc.),

Converter (secondary flue gas), electric furnace, refining furnace 50

Continuous casting cutting and flame cleaning, lime kiln, dolomite kiln

Roasting 50

Steel slag treatment 100

Other production facilities 50

Dioxins

(ng-TEQ/m3) Electric Furnace 1.0

Fluoride (in F) Electroslag Metallurgy 6.0

4.2 As of January 1,.2015, existing companies implement the limits for atmospheric pollutant emissions specified in Table 2.

4.3 Since October 1,.2012, new enterprises have implemented the air pollutant emission limits specified in Table 2.

Table 2 Limits of atmospheric pollutant emission concentration of newly-built enterprises

Unit. mg/m3 (except dioxin)

Pollutant project production process or facility limit pollutant emission monitoring position

particulates

Converter (primary smoke) 50

Workshop or production facility exhaust

Hot metal pretreatment (including pouring tank, slag, etc.), converter (two

Secondary smoke), electric furnace, refining furnace 20

Continuous casting cutting and flame cleaning, lime kiln, dolomite kiln

Roasting 30

Steel slag treatment 100

Other production facilities 20

Dioxins

(ng-TEQ/m3) Electric Furnace 0.5

Fluoride (in F) Electroslag Metallurgy 5.0

4.4 According to the requirements of environmental protection work, the density of land development has been high, the environmental carrying capacity has begun to weaken, or the environment

Areas with small capacity, fragile ecological environment, and prone to serious environmental pollution problems and requiring special protection measures should

Strictly control the pollutant discharge behavior of enterprises, and implement the special emission limits of atmospheric pollutants specified in Table 3 in the above-mentioned enterprises.

value.

The geographical scope and time for the implementation of special emission limits for atmospheric pollutants shall be administered by the administrative department of environmental protection of the State Council or the province.

Level people's government regulations.

Table 3 Special emission limits for atmospheric pollutants

Unit. mg/m3 (except dioxin)

Pollutant project production process or facility limit pollutant emission monitoring position

particulates

Converter (primary smoke) 50

Workshop or production facility exhaust

Hot metal pretreatment (including pouring tank, slag, etc.), converter

(secondary flue gas), electric furnace, refining furnace 15

Continuous casting cutting and flame cleaning, lime kiln, dolomite kiln

Roasting 30

Steel slag treatment 100

Other production facilities 15

Dioxins

(ng-TEQ/m3) Electric Furnace 0.5

Fluoride

(in F) Electroslag Metallurgy 5.0

4.5 Unorganized emissions of particulate matter from enterprises are subject to the limits specified in Table 4.

Table 4 Unorganized emission concentration limits for particulate matter in existing and new enterprises

Unit. mg/m3

Serial number unorganized emission source limit

1 Factory production workshop 8.0

2 No complete workshop 5.0

4.6 In the production process of the existing enterprise production and construction projects, the environmental protection acceptance and the subsequent production process, the environmental protection department responsible for supervision

The competent administrative department shall monitor the ambient air quality in sensitive areas such as residential, teaching, medical and other uses. Construction item

The specific monitoring scope of the target is the surrounding sensitive area determined by environmental impact assessment; the existing enterprise that has not conducted environmental impact assessment

Industry, the scope of monitoring is the environmental protection administrative department in charge of supervision, according to the characteristics and laws of corporate sewage discharge and local self-

However, factors such as meteorological conditions are determined by reference to the relevant environmental impact assessment technical guidelines. Local governments should respond to the environmental quality of their jurisdiction

Responsible for taking measures to ensure that environmental conditions meet environmental quality standards.

4.7 The production process equipment for generating atmospheric pollutants must establish a local gas collection system and a centralized purification treatment device to meet the standard.

emission. All exhaust cylinders should be at least 15m high. When there is a building within a radius of.200m around the exhaust pipe, the exhaust pipe is high

The degree should also be higher than the highest building by more than 3m.

4.8 For lime kiln and dolomite kiln exhaust, the oxygen content in the exhaust gas should be monitored at the same time to measure the air pollution in the exhaust pipe.

The discharge concentration of the substance shall be converted into the reference emission concentration under the condition of 8% oxygen content according to formula (1), and this shall be used as the judgment discharge.

Whether it is the basis for compliance. Before the country does not stipulate the baseline exhaust gas of other production facilities, the actual measured concentration is used as the

The basis for determining whether air pollutant emissions are up to standard.

Base CO

-=

821 (1)

Where. C base - baseline emission concentration of atmospheric pollutants, mg/m3;

C Real--measured concentration of atmospheric pollutants, mg/m3;

O Real--Measured oxygen content in dry kiln and dolomite kiln dry flue gas, %.

5 Air pollutant monitoring requirements

5.1 Sampling of emissions from enterprises shall be carried out according to the type of pollutants to be monitored and at the specified pollutant discharge monitoring position.

If there is an exhaust gas treatment facility, it should be monitored after the facility. A permanent drain outlet sign shall be provided at the pollutant discharge monitoring location.

5.2 Requirements for the installation of automatic monitoring equipment for pollutant discharge in newly built enterprises and existing enterprises, in accordance with relevant laws and

Implementation of the Measures for the Administration of Dynamic Monitoring.

5.3 Frequency, sampling time and other requirements for monitoring the discharge of pollutants from enterprises, according to relevant national pollution source monitoring techniques

The provisions of the surgical specifications are implemented. Dioxin indicators are monitored once a year.

5.4 Monitoring and sampling of atmospheric pollutants in the exhaust pipe shall be carried out in accordance with GB/T 16157 and HJ/T 397.

5.5 Sampling points for unorganized emissions of atmospheric pollutants are located at the discharge gates of doors, windows, roofs, gas buildings, etc.

Maximum value. If the unorganized emission source is open-air or covered with no walls, the monitoring point should be selected 5m away from the smoke (powder) dust source.

Any point at a minimum height of 1.5m and select the maximum concentration. Sampling of unorganized emission monitoring points, using any continuous 1h

Samples are averaged, or 4 samples are averaged at equal intervals over any 1 hour.

5.6 The enterprise shall monitor and save the sewage discharge in accordance with the relevant laws and the Measures for the Administration of Environmental Monitoring.

Original monitoring record.

5.7 The concentration of atmospheric pollutants is determined using the method criteria listed in Table 5.

Table 5 Standards for determination of atmospheric pollutant concentration

No. Contaminant Project Method Standard Name Method Standard Number

1 particulate matter

Determination of particulate matter in fixed pollution source exhaust gas and sampling method of gaseous pollutants GB/T 16157-1996

Determination of total suspended particulate matter in ambient air - Gravimetric method GB/T 15432-1995

2 Fluoride atmosphere fixed pollution source fluoride determination ion selective electrode method HJ/T 67-2001

3 Dioxin-based ambient air and exhaust gas dioxin determination isotope dilution high resolution gas chromatography-high resolution mass spectrometry HJ/T 77.2-2008

6 Implementation and supervision

6.1 This standard is supervised and implemented by the environmental protection administrative department of the people's government at or above the county level.

6.2 Under any circumstance, the enterprise shall comply with the air pollutant emission control requirements of this standard and take necessary measures to ensure the pollution.

Dyeing and control facilities are operating normally. Environmental protection departments at all levels can conduct on-site sampling or monitoring when conducting supervisory inspections of enterprises.

The results are used as a basis for determining whether the discharge behavior meets emission standards and implements relevant environmental protection management measures.

END: Draft Version (GB 28664-2012)