GB 28665-2012Emission standard of air pollutants for steel rolling 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 rolling industry

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

This standard specifies the limits, monitoring and monitoring requirements for atmospheric pollutant discharges of rolling mill production enterprises. To promote regional economy

Coordinate development with the environment, promote the adjustment of economic structure and the transformation of economic growth mode, and guide the production process and pollution of the rolling 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 rolling mill production 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 rolling mill 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., Environmental Standards Institute of the Ministry of Environmental Protection.

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.

Rolling steel industry air pollutant discharge standards

1 Scope of application

This standard specifies the limits, monitoring and monitoring requirements for air pollutant emissions from rolling mills or production facilities, and

Relevant regulations on the implementation and supervision of standards.

This standard is applicable to the management of atmospheric pollutant discharge in existing rolling mill production enterprises or production facilities, as well as the rolling steel industry construction project.

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

Reason.

This standard applies to the pollutant discharge behavior permitted by law; the location of newly established pollution sources and the existing special protection areas

The management of pollution sources shall be in accordance with the Law of the People's Republic of China on the Prevention and Control of Air Pollution and the Law of the People's Republic of China on Prevention and Control of Water Pollution

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 Waste, and China

The relevant provisions of laws, regulations and rules of the People's Republic of China Environmental Impact Assessment Law 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 27-1999 Determination of hydrogen chloride in fixed source emissions - Mercury thiocyanate spectrophotometric method

HJ/T 29-1999 Determination of chromic acid mist in fixed source exhaust gases - Diphenylcarbonyl hydrazide spectrophotometric method

HJ/T 38-1999 Determination of non-methane total hydrocarbons from fixed source s

HJ/T 42-1999 Determination of nitrogen oxides from fixed source s

HJ/T 43-1999 Determination of nitrogen oxides from fixed source s

HJ/T 56-1999 Determination of sulphur dioxide in fixed source s

HJ/T 57-1999 Determination of sulphur dioxide in fixed source exhaust gases

HJ/T 67-1999 Determination of Fluoride in Fixed Atmospheric Sources - Ion Selective Electrode Method

HJ/T 397 -2007 Technical Specifications for Fixed Source Exhaust Gas Monitoring

HJ 544-2009 Determination of Sulfuric Acid Fog of Fixed Pollution Sources by Ion Chromatography (Provisional)

HJ 548-2009 Determination of Hydrogen Chloride from Fixed Pollution Sources - Silver Nitrate Capacity Method (Provisional)

HJ 549-2009 Determination of Hydrogen Chloride in Ambient Air and Exhaust Gas Ion Chromatography (Provisional)

HJ 583-2010 Determination of Benzene in Ambient Air - Solid Adsorption/Thermal Desorption - Gas Chromatography

HJ 584-2010 Determination of benzene in ambient air Activated carbon adsorption/carbon disulfide desorption - gas chromatography

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 enterprises will implement the air pollutant emission limits specified in Table 1.

value.

Table 1 Limits of atmospheric pollutant emission concentration of existing enterprises

Unit. mg/m3

No. Pollutant project production process or facility limit pollutant emission monitoring position

1 particulate matter

Hot rolling finishing mill 50

Workshop or production facility exhaust

Waste acid regeneration 30

Heat treatment furnace, tension correction, finishing, shot blasting, repair

Grinding, welding machines and other production facilities 30

2 sulfur dioxide heat treatment furnace 250

3 nitrogen oxides (in terms of NO2) heat treatment furnace 350

4 Hydrogen chloride

Pickling unit 30

Waste acid regeneration 50

5 sulfuric acid mist pickling unit 20

6 chromic acid mist coating unit, pickling unit 0.07

7 Nitric acid mist pickling unit and waste acid regeneration 240

8 Fluoride pickling unit and waste acid regeneration 9.0

9 benzene (1)

Coating unit

10 toluene 40

11 xylene 70

12 non-methane total hydrocarbons 100

Note. (1) Implemented after the release of national pollutant monitoring method standards.

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

No. Pollutant project production process or facility limit pollutant emission monitoring position

1 particulate matter

Hot rolling finishing mill 30

Workshop or production facility exhaust

Waste acid regeneration 30

Heat treatment furnace, tension correction, finishing, shot blasting, repair

Grinding, welding machines and other production facilities 20

2 sulfur dioxide heat treatment furnace 150

3 nitrogen oxides (in terms of NO2) heat treatment furnace 300

4 Hydrogen chloride

Pickling unit 20

Waste acid regeneration 30

5 sulfuric acid mist pickling unit 10

6 chromic acid mist coating unit, pickling unit 0.07

7 nitric acid fog

Pickling unit 150

Waste acid regeneration 240

8 fluoride

Pickling unit 6.0

Waste acid regeneration 9.0

9 Alkali mist (1) Degreasing 10

10 Oil mist (1) Rolling unit 30

11 benzene (1)

Coating unit

8.0

12 toluene 40

13 xylene 40

14 non-methane total hydrocarbons 80

Note. (1) Implemented after the release of national pollutant monitoring method standards.

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

No. Pollutant project production process or facility limit pollutant emission monitoring position

1 particulate matter

Hot rolling finishing mill 20

Workshop or production facility exhaust

Waste acid regeneration 30

Heat treatment furnace, tension correction, finishing, shot blasting, repair

Grinding, welding machines and other production facilities 15

2 sulfur dioxide heat treatment furnace 150

3 nitrogen oxides (in terms of NO2) heat treatment furnace 300

4 Hydrogen chloride

Pickling unit 15

Waste acid regeneration 30

5 sulfuric acid mist pickling unit 10

6 chromic acid mist coating unit, pickling unit 0.07

7 nitric acid fog

Pickling unit 150

Waste acid regeneration 240

8 fluoride

Pickling unit 6.0

Waste acid regeneration 9.0

9 Alkali mist (1) Degreasing 10

10 Oil mist (1) Rolling unit 20

11 benzene (1)

Coating unit

5.0

12 toluene 25

13 xylene 40

14 non-methane total hydrocarbons 50

Note. (1) Implemented after the release of national pollutant monitoring method standards.

2 sulfuric acid mist

Pickling unit and waste acid regeneration

1.2

3 Hydrogen chloride 0.2

4 nitric acid mist 0.12

5 benzene

Coating unit

0.4

6 toluene 2.4

7 xylene 1.2

8 Non-methane total hydrocarbons 4.0

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. Exhaust height when there is a building within a radius of.200m around the exhaust pipe

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

4.8 For the heat treatment furnace exhaust, the oxygen content in the exhaust gas should be monitored at the same time, and the atmospheric pollutant emissions in the exhaust pipe are measured.

The degree should be converted into the baseline emission concentration under the condition of 8% oxygen content according to formula (1), and used as the determination of whether the emission is up to standard.

in accordance with. Before the country does not stipulate the standard discharge capacity of the unit products of other production facilities, the actual measured concentration is used as the air pollution determination.

Whether the discharge of the dyed material meets the standard.

Base CO

-=

(1)

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

C Real--Measured concentration of atmospheric pollutants in the exhaust pipe, mg/m3;

O Real--Measured percentage of oxygen in 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.

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 sulfur dioxide

Determination of sulfur dioxide in fixed source exhaust gases - Iodometric method HJ/T 56-1999

Determination of sulfur dioxide in fixed source exhaust gas - Potentiometric electrolysis method HJ/T 57-1999

3 NOx

Determination of nitrogen oxides in fixed source exhaust gases - UV spectrophotometric method HJ/T 42-1999

Determination of nitrogen oxides in fixed source exhaust gases - Naphthylethylenediamine spectrophotometric method HJ/T 43-1999

4 Determination of chromic acid mist in exhaust gas from fixed source of chromic acid mist - Diphenylcarbazide spectrophotometric method HJ/T 29-1999

Hydrogen chloride

Determination of hydrogen chloride in fixed source exhaust gases - Mercury thiocyanate spectrophotometric method HJ/T 27-1999

Determination of hydrogen chloride in fixed source pollution - Determination of silver nitrate capacity (provisional) HJ 548-2009

Determination of ambient air and exhaust gas hydrogen chloride - Intermittent HJ549-2009

6 Sulfuric acid mist fixed pollution source waste gas sulfuric acid mist determination ion chromatography (provisional) HJ 544-2009

7 nitric acid fog

Determination of nitrogen oxides in fixed source exhaust gases - UV spectrophotometric method HJ/T 42-1999

Determination of nitrogen oxides in fixed source exhaust gases - Naphthylethylenediamine spectrophotometric method HJ/T 43-1999

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

9 benzene, toluene and xylene

Determination of Benzene in Ambient Air Solid Adsorption/Thermal Desorption - Gas Chromatography HJ 583-2010

Determination of Benzene in Ambient Air - Activated Carbon Adsorption/Carbon Disulfide Desorption - Gas Chromatography HJ 584-2010

Determination of non-methane total hydrocarbons in fixed-source exhaust gases of non-methane total hydrocarbons. Gas chromatographic method HJ/T 38-1999

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 stipulated in this standard and take necessary measures to protect

The pollution prevention and control facilities are in normal operation. Environmental protection departments at all levels can conduct on-site sampling or on-site inspections

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

END: Draft Version (GB 28665-2012)