|
US$629.00 · In stock Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. HJ 888-2018: Technical guidelines of accounting method for pollution source intensity -- Thermal power industry Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| HJ 888-2018 | English | 629 |
Add to Cart
|
5 days [Need to translate]
|
Technical guidelines of accounting method for pollution source intensity -- Thermal power industry
| Valid |
HJ 888-2018
|
PDF similar to HJ 888-2018
Basic data | Standard ID | HJ 888-2018 (HJ888-2018) | | Description (Translated English) | Technical guidelines of accounting method for pollution source intensity -- Thermal power industry | | Sector / Industry | Environmental Protection Industry Standard | | Classification of Chinese Standard | Z00 | | Word Count Estimation | 27,252 | | Date of Issue | 2018-03-27 | | Date of Implementation | 2018-03-27 | | Regulation (derived from) | Ministry of Ecology and Environment Announcement No. 2 of 2018 | | Issuing agency(ies) | Ministry of Ecology and Environment |
HJ 888-2018: Technical guidelines of accounting method for pollution source intensity -- Thermal power industry ---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Technical guidelines of accounting method for pollution source intensity -- Thermal power industry
National Environmental Protection Standard of the People's Republic
Technical Guide for Strong Sources of Pollution Sources
Technical guidelines of accounting method for pollution source intensity
― Thermal power industry
Published on.2018-03-27
2018-03-27 Implementation
Ministry of Ecology and Environment released
HJ 888 -.2018
Content
Foreword...I
1 Scope...1
2 Normative references...1
3 Terms and Definitions...1
4 Accounting procedures and method selection principles... 2
5 Exhaust pollutant source strong accounting...3
6 Wastewater pollutant source strong accounting...7
7 Noise source strong accounting...8
8 Solid waste source strong accounting...8
9 Management requirements...10
Appendix A (informative appendix) reference value of thermal power plant exhaust source strong calculation parameters...11
Appendix B (informative appendix) Conventional air pollution control measures for thermal power plants...12
Appendix C (informative appendix) Calculation of flue gas emissions from thermal power plants...13
Appendix D (informative appendix) Conventional water pollution prevention measures for thermal power plants...16
Appendix E (informative appendix) Sound level and noise control measures for main noise sources of thermal power plants...17
Appendix F (informative appendix) Thermal power plant pollution source source strong accounting results and related parameter list form...19
I preface
To implement the Environmental Protection Law of the People's Republic of China, the Environmental Impact Assessment Law of the People's Republic of China, and the Chinese
Law of the People's Republic of China on Prevention and Control of Air Pollution" Law of the People's Republic of China on Prevention and Control of Water Pollution"
Environmental Protection Law, Law of the People's Republic of China on the Prevention and Control of Environmental Noise Pollution, etc., to improve the environmental impact of construction projects
Evaluate the technical support system, guide the strong accounting work of pollution sources in the thermal power industry, and formulate this standard.
This standard specifies the basic principles for the calculation of exhaust pollutants, wastewater pollutants, noise, and solid waste sources in the thermal power industry.
Content, accounting methods and requirements.
Appendix A to Appendix F of this standard are informative annexes.
This standard is the first release.
This standard is formulated by the Environmental Impact Assessment Department and the Science and Technology Standards Department of the Ministry of Environmental Protection (now the Ministry of Ecology and Environment).
This standard is mainly drafted by. Environmental Engineering Evaluation Center of the Ministry of Environmental Protection, Guodian Environmental Protection Research Institute Co., Ltd.
China Power Engineering Consulting Group Zhongnan Power Design Institute Co., Ltd., China Power Engineering Consulting Group Northeast Electric Power Design Institute
Limited company.
This standard is approved by the Ministry of Ecology and Environment on March 27,.2018.
This standard has been implemented since March 27,.2018.
This standard is explained by the Ministry of Ecology and Environment.
1 pollution source source strong accounting technical guide thermal power
1 Scope of application
This standard specifies the basic principles for the calculation of exhaust pollutants, wastewater pollutants, noise, and solid waste sources in the thermal power industry.
Content, accounting methods and requirements.
This standard is applicable to the determination of the source strength of pollutants in the environmental impact assessment of construction projects implementing GB 13223.
This standard is applicable to the strong accounting of pollutant sources under normal and abnormal working conditions in the thermal power industry, and is not applicable to sudden leakage, fire,
The source of pollutants is strongly accounted for in the event of an explosion or other accident.
2 Normative references
This standard refers to the following documents or their terms. For undated references, the latest edition applies to this
standard.
GB 13223 Standard for emission of atmospheric pollutants from thermal power plants
GB/T 31962 sewage discharged into urban sewer water quality standards
HJ 75 fixed pollution source flue gas (SO2, NOX, particulate matter) continuous monitoring technical specifications
HJ 76 fixed pollution source flue gas (SO2, NOX, particulate matter) continuous monitoring system technology
Seeking detection method
HJ/T 92 Water Pollutant Total Monitoring Technical Specification
Technical Specifications for Operation and Assessment of HJ/T 355 Water Pollution Source Online Monitoring System (Trial)
HJ/T 356 Water Pollution Source Online Monitoring System Data Validity Discrimination Technical Specification (Trial)
HJ/T 373 Fixed source pollution monitoring quality assurance and quality control technical specifications
HJ/T 397 Fixed Source Exhaust Gas Monitoring Technical Specification
HJ 820 sewage unit self-monitoring technical guide thermal power generation and boiler
HJ 884 Guidelines for the Guidelines for Sources of Pollution Sources
HJ 2301 Feasible Technical Guide for Pollution Prevention and Control in Thermal Power Plants
National Pollution Source Survey Industrial Pollution Source Pollution Discharge Coefficient Manual
3 Terms and definitions
The following terms and definitions apply to this standard.
Automated pollutant monitoring
Continuous, real-time automatic monitoring of emission concentrations and emissions of pollutants from fixed sources, also known as contamination
On-line monitoring or continuous monitoring of dyes.
24 Accounting procedures and method selection principles
4.1 Accounting procedures
Source strength accounting procedures mainly include pollution source and pollution factor identification, accounting method selection, accounting parameter selection and pollutants.
For emissions calculations, see HJ 884 for details.
The accounting of pollutant discharges should include both normal operating conditions and abnormal working conditions, and clear normal work.
The amount of emissions and abnormal operating conditions, the total emissions of pollutants during the accounting period should be the sum of the two.
4.2 Accounting method selection
4.2.1 General requirements
Source strength accounting methods include material balance algorithm, analogy method, actual measurement method, and sewage coefficient method, etc., which should be as specified in Table 1.
Order selection.
4.2.2 Exhaust gas
a) New (reconstruction, expansion) construction project pollution source
The organized source is preferred to use the material balance algorithm for accounting, and the second is to use the discharge coefficient method for accounting.
Unorganized source strength is accounted for by analogy or other feasible methods.
b) Existing engineering pollution sources
The organized source is prioritized by the actual measurement method, and the material balance algorithm and the discharge coefficient method are used for accounting. Measured method
When the accounting source is strong, the HJ 820 and the pollutant discharge permit of the pollutant discharge unit are required to adopt the automatically monitored pollution factor.
Effective automatic monitoring data for accounting; automatic monitoring is not required for HJ 820 and sewage disposal units
Pollution factors, priority to use effective automatic monitoring data, followed by manual monitoring data.
The unorganized source strength is prioritized by the actual measurement method, followed by the analogy method.
4.2.3 Waste water
a) New (reconstruction, expansion) construction project pollution source
The analogy method is preferred, followed by the discharge coefficient method.
b) Existing engineering pollution sources
The actual measurement method is used for accounting, and the sewage coefficient method is used for accounting.
4.2.4 Noise
a) New (reconstruction, expansion) construction project pollution source
The analogy method is used for accounting.
b) Existing engineering pollution sources
The actual measurement method is preferred, followed by the analogy method.
4.2.5 Solid waste
a) New (reconstruction, expansion) construction project pollution source
Fly ash, slag/desulfurization slag, desulfurization gypsum using material balance algorithm, discharge coefficient method accounting, waste denitration catalyst, etc.
3 His solid waste is accounted for by the analogy method.
b) Existing engineering pollution sources
Fly ash, slag/desulfurization slag, desulfurization gypsum using actual measurement method, material balance algorithm, discharge coefficient method accounting, waste denitrification
Other solid wastes such as chemicals are accounted for by the actual measurement method.
Table 1 Source strength accounting method selection list
Environmental factor pollution source main pollution factor
Accounting method prioritization
New (reform, expansion) construction
Pollution source existing engineering pollution source
Exhaust gas
chimney
Soot (particulate matter), dioxide
Sulfur, nitrogen oxides, mercury and their
Compound note 1
Material balance algorithm
2. Sewage coefficient method
Actual measurement method
2. Material balance algorithm
3. Sewage coefficient method
Unorganized emission source particle analogy or other feasible methods
Actual measurement method
2. Analogy
Waste water
Total venting
row)
Chemical oxygen demand, ammonia nitrogen, suspension
Matter, petroleum, fluoride, sulfur
Compound, volatile phenol, total solubility
Solid (total salt content), total phosphorus injection 2 1. Analogy method 2. Sewage coefficient method
Actual measurement method
2. Discharge factor method for desulfurization wastewater treatment
Workshop outlet (if outside
row)
Total lead, total mercury,
Total cadmium, total arsenic injection 2
noise
Steam turbine, boiler,
Cooling tower, fan,
Pump, mill, etc.
Noise source level analogy method 1. actual measurement method 2. analogy method
Solid Waste
Boiler and dust removal, off
Sulfur equipment, etc.
Fly ash, slag/desulfurization slag, off
Sulfur gypsum
Material balance algorithm
2. Sewage coefficient method
Actual measurement method
2. Material balance algorithm
3. Sewage coefficient method
Denitration equipment waste denitration catalyst analogy method
Note 1. The exhaust gas accounting factor is determined according to GB 13223.
Note 2. The wastewater accounting factor is determined according to HJ 820. If domestic sewage is not discharged into the total discharge, the total phosphorus may not be accounted for.
5 Exhaust pollutant source strong accounting
5.1 Material Balance Algorithm
5.1.1 The material balance algorithm is to quantify the change of materials used in the production process according to the law of conservation of mass of matter.
Analysis.
a) The amount of soot emissions is calculated according to formula (1).
4 net,ar ar
g fh1 100 100 100 33870
A
q QAM B (1)
Where. MA--the amount of soot emissions during the accounting period, t;
Bg--Boiler fuel consumption during the accounting period, t;
4c--Dust removal efficiency, %, when wet desulfurization, wet electric dedusting and other equipment are installed downstream of the precipitator, it should be considered
Dust removal effect;
Aar--the quality score of the received ash, %;
q4--Boiler machinery incomplete combustion heat loss, %;
Qnet, ar--receives the base low calorific value, kJ/kg;
Ffh--the share of fly ash from boiler flue gas.
When a circulating fluidized bed boiler is added with a desulfurizing agent such as limestone, the ash of the incoming material can be expressed by the converted ash, and the formula (2)
The converted ash Azs is substituted into the formula (1).
Zs ar ar
CaCO
0.81003.125 0.44 100A AS m K
(2)
Where. Azs--the mass fraction of the converted ash, %;
Aar--the quality score of the received ash, %;
Sar--the mass fraction of base sulfur received, %;
m--Ca/S molar ratio, according to the actual situation, the limestone desulfurization in the furnace is generally 1.5 to 2.5;
KCaCO3-- limestone purity, mass fraction of calcium carbonate in limestone, %;
s--In-furnace desulfurization efficiency, %.
b) The amount of sulfur dioxide emissions is calculated according to formula (3).
S1 S2 ar4
SO g2 1 1 1100 100 100 100
(3)
Where. MSO2--the amount of sulfur dioxide emissions during the accounting period, t;
Bg--Boiler fuel consumption during the accounting period, t;
S1--Desulfurization efficiency of dust collector, %, electric precipitator, bag filter, electric bag composite dust collector take 0%;
脱S2--desulfurization efficiency of desulfurization system, %;
q4--Boiler machinery incomplete combustion heat loss, %;
Sar--the mass fraction of base sulfur received, %;
K--The fraction of sulfur in the fuel that is oxidized to sulfur dioxide after combustion.
c) Nitrogen oxide emissions are controlled by boiler manufacturers to ensure concentration values or analogous boiler nitrogen
The oxide concentration value is calculated according to formula (4).
NO g NO
NO 9 110 100
x xVM
(4)
Where. MNOx - the amount of nitrogen oxide emissions during the accounting period, t;
ρNOx--the concentration of nitrogen oxides emitted from the boiler furnace outlet, mg/m3;
Vg--standard dry smoke emission during the accounting period, m3;
NOx - denitration efficiency, %.
5d) The emission of mercury and its compounds is calculated according to formula (5).
Hg 6
Hg g Hgar 1 10100
MB m (5)
Where. MHg--the amount of mercury and its compounds emitted in the accounting period (in terms of mercury), t;
Bg--Boiler fuel consumption during the accounting period, t;
mHgar--received the content of base mercury, μg/g;
Hg--the synergistic removal efficiency of mercury, %.
5.1.2 The values of parameters q4, αfh, and K in the material balance algorithm are shown in Appendix A. For the removal efficiency, see HJ 2301 and Appendix B.
See Appendix C for the calculation of flue gas emissions Vg.
5.2 Measurement method
5.2.1 The actual measurement method is to calculate the emission amount of the pollutant by actually measuring the emission amount of the exhaust gas and the mass concentration of the contained pollutant.
For thermal power plants with automatic pollutant monitoring systems and networked with environmental protection departments, effective automatic monitoring data should be used.
Equation (6) accounting.
( ) 10
tS ii
DL (6)
Where. D--the discharge amount of a certain pollutant during the accounting period, t, the accounting period may be the year, the season, the month, the day, the hour, etc.;
St-- hours of operation in the accounting period, h;
Ii--the hourly emission mass concentration of the first hour of dry flue gas pollutants, mg/m3;
Li--the hourly dry smoke emission of the i-hour, m3/h.
5.2.2 Unmonitored pollutants in the automatic monitoring system of pollutants, using manual monitoring data such as law enforcement monitoring and self-monitoring
(7) Conduct accounting. Except for law enforcement monitoring, the production load of other manual monitoring periods should be no less than this monitoring and the last time.
Monitor the average production load during the cycle and give a comparison of production load.
( )
nii
D Sn
(7)
Where. D-- emissions of a certain pollutant during the accounting period, t;
Ρi--the hourly emission mass concentration of the first monitored dry flue gas pollutants, mg/m3;
Li--the i-th monitoring of the standard dry flue gas emissions, m3/h;
n--The number of effective monitoring data during the accounting period, dimension one;
St-- hours of operation in the accounting period, h.
5.2.3 The sampling, monitoring and data quality of pollutants for automatic monitoring and manual monitoring shall comply with GB 13223, HJ 75 and HJ 76.
HJ/T 373, HJ/T 397 and HJ 820 regulations.
5.3 Drainage coefficient method
5.3.1 The discharge coefficient method is based on the existing pollution source survey and reflects the typical working conditions and pollution control conditions.
6 The pollutant discharge coefficient of the pollutant discharge law to estimate the pollutant discharge can be calculated according to formula (8).
g eG B (8)
Where. G--the amount of pollutants discharged during the accounting period, t;
Bg--the fuel consumption during the accounting period, t;
Ee--drainage coefficient.
5.3.2 The discharge coefficient can be found in the “National Pollution Sources Survey of Industrial Pollution Sources and Pollution Discharge Coefficients” and relevant national documents.
When using, pay attention to the consistency of the pollution prevention facilities and the discharge coefficient corresponding scenarios.
5.4 Abnormal operating conditions
5.4.1 When there is measured data, it is calculated according to formula (6) and formula (7).
5.4.2 When there is no measured data.
a) Ignition start, stop and flameout cause the denitration system can not be put into operation, NOx is considered as 0%, ρNOx can refer to boiler production
For commercial design parameters, please also refer to Appendix A. The NOx emissions are calculated according to formula (4).
b) Low-load operation or equipment failure causes the denitration system to be put into operation, NOx is considered as 0%, ρNOx can be used for boiler production
The concentration value is guaranteed and the nitrogen oxide emissions are calculated according to formula (4).
c) The electrostatic precipitator generally has 2 or more channels per furnace, and the equipment failure causes the power supply community of a certain channel to be shut down.
(9) Calculate the dust removal efficiency of the damaged channel, and the weighted average of the normal channel dust removal efficiency (weight is the smoke emission)
Entering formula (1) to calculate the amount of soot emissions; the outage of the power supply community is equivalent to reducing the dust collection area, and relevant manufacturing parameters are also available.
This calculates the dust removal efficiency of the damaged channel by the Dowitch formula.
(9)
Where. c--dust removal efficiency per channel, %;
I--the number of electric fields per channel, the thermal power plant is often 3 to 5;
i--The efficiency of the i-th electric field dedusting efficiency per channel, %, may be the measured value or design value of the performance test, normal when there is no data
The operation is 70%.
d) The bag filters are arranged in parallel. During the damage of the filter bag, the increase in soot emissions can be calculated according to formula (10).
dΔ AM S v (10)
Where. ΔMA--increased soot emissions after damage to the filter bag, g/s;
Ρd--the concentration of dust in the original flue gas, g/m3;
S-- filter bag breaking area, m2;
v--The flow velocity of the filter bag at the hole, m/s, generally 20~30m/s.
e) The spray layer is reduced due to the failure of the wet desulfurization equipment, and the desulfurization efficiency of the damaged desulfurization tower can be calculated according to formula (11).
Enter (3) to calculate the sulfur dioxide emissions.
(11)
In the formula. s--desulfurization efficiency, %;
i--Desulfurization tower runs the number of spray layers, thermal power plants are often 3 to 5, each layer of pallet is equivalent to 1 spray layer;
i--The i-spraying layer desulfurization efficiency, %, can be taken as performance test value or design value, normal operation without data
Desirable 50%.
6 Wastewater pollutant source strong accounting
6.1 Analogy
6.1.1 Analogy is through the use of products, processes, scale, water use, water consumption, pollution control measures, management of water
Equally the same or similar information on the source of wastewater pollution, determine the type and concentration of pollutants, the amount of wastewater, the efficiency of treatment, etc.
The relevant parameters then calculate the pollutant emissions.
6.1.2 New (reconstruction, expansion) construction of pollution source and source related parameters should be based on the feasibility study and other design documents, through environmental impact
The evaluation demonstrates that the technology is economically viable and the environmental impact is acceptable, and the conventional water pollution prevention measures and treatment effects of the thermal power plant can be
Refer to Appendix D.
6.2 Measurement method
6.2.1 The actual measurement method is to calculate the pollutant discharge amount by actually measuring the wastewater discharge amount and the mass concentration of the contained pollutants.
Thermal power plants equipped with automatic pollutant monitoring systems and networked with environmental protection departments should give priority to using effective automatic monitoring data.
Equation (12) accounting.
( ) 10
tS ii
PQC (12)
Where. P--the amount of pollutants discharged during the accounting period, t;
St--the discharge time of pollutants during the accounting period, d;
Qi--the discharge of wastewater on the i-th day, m3/d;
Ci--the daily average mass concentration of pollutants on the i-day, mg/L.
6.2.2 When the automatic pollutant monitoring system is not set or the data is invalid, the number of manual monitoring such as law enforcement monitoring and self-monitoring may be used.
According to the formula (13) for accounting. Except for law enforcement monitoring, the production load of other manual monitoring periods should be no less than this monitoring and
The average production load during the last monitoring period and gives a comparison of production load.
( )
10
nii
CQ
P Sn (13)
Where. P--the amount of pollutants discharged during the accounting period, t;
Ci--the average daily pollutant emission concentration of the i-th monitoring, mg/L;
Qi--the daily wastewater discharge of the i-th monitoring, m3/d;
n--The number of effective monitoring data during the accounting period, dimension one;
St--the discharge time of pollutants during the accounting period, d.
86.2.3 The sampling, monitoring and data quality of pollutants for automatic monitoring and manual monitoring shall be in accordance with HJ/T 355, HJ/T 356 and
HJ/T 92 regulations.
6.3 Drainage coefficient method
Same as 5.3.
7 Noise source strong accounting
7.1 analogy
The noise source strength of a device under normal operating conditions is estimated based on the noise source strength of a similar device (ie, an analog object).
The analog object and the source strength parameter take the source strong parameter in the device technology protocol first, followed by the same type device and similar device.
Prepared test data. The device model is not timed. Refer to Appendix E to determine the noise source strength based on the noise level of similar equipment.
7.2 Measurement method
According to the relevant noise measurement technical specifications, etc., the various noise-generating equipment of the existing enterprises under normal operating conditions are implemented.
Tested as a source of noise.
8 Solid waste source strong accounting
8.1 Material Balance Algorithm
8.1.1 The amount of fly ash produced by coal-fired power plants is calculated according to formula (14).
4 net,arar c
Hg fh100 100 33 870 100
q AN Q Q Q Q Q Q
(14)
Where. Nh--the amount of fly ash generated during the accounting period, t;
Bg--Boiler fuel consumption during the accounting period, t;
Aar--the mass fraction of the received ash, %, should be adopted when adding the desulfurizer such as limestone to the circulating fluidized bed boiler
(2) Converting the ash Azs into the formula (14);
q4--Boiler machinery incomplete combustion heat loss, %;
Qnet, ar--receives the base low calorific value, kJ/kg;
c--dust removal efficiency, %;
Ffh--the share of fly ash from boiler flue gas.
8.1.2 The amount of slag produced by coal-fired power plants is calculated according to formula (15).
4 net,arar
Zg lz100 100 33870
q QAN B
(15)
Where. Nz--the amount of slag produced during the accounting period, t;
Bg--Boiler...
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of HJ 888-2018_English be delivered?Answer: Upon your order, we will start to translate HJ 888-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of HJ 888-2018_English with my colleagues?Answer: Yes. The purchased PDF of HJ 888-2018_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.
|