HJ 75-2017 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| HJ 75-2017 | English | 495 |
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Specifications for continuous emissions monitoring of SO2, NOX, and particulate matter in the flue gas emitted from stationary sources
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| HJ/T 75-2007 | English | 270 |
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Specifications for continuous emissions monitoring of flue gas emitted from stationary sources (on trial)
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| HJ/T 75-2001 | English | 919 |
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Technical norm for continuous emissions monitoring of flue gas emitted from thermal power plants
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Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: HJ 75-2017
Similar standards HJ/T 55 HJ 38 HJ 75-2017: Specifications for continuous emissions monitoring of SO2, NOX, and particulate matter in the flue gas emitted from stationary sources
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HJ
ENVIRONMENTAL PROTECTION STANDARD
Replacing HJ/T 75-2007
Specifications for continuous emissions monitoring of SO2,
NOX, and particulate matter in the flue gas emitted from
stationary sources
Issued on. DECEMBER 29, 2017
Implemented on. MARCH 01, 2018
Issued by. Ministry of Environmental Protection
Table of Contents
Foreword... 4
1 Scope... 6
2 Normative references... 6
3 Terms and definitions... 7
4 Composition and functional requirements of the continuous monitoring system of flue
gas emissions from stationary pollution sources... 10
5 Technical performance requirements for continuous monitoring system of flue gas
emissions from stationary pollution sources... 10
6 Requirements for monitoring station of continuous monitoring system of flue gas
emissions from stationary pollution sources... 10
7 Installation requirements for the continuous monitoring system for flue gas emissions
from stationary pollution sources... 11
8 Technical indicator performance testing of the continuous monitoring system for flue
gas emissions from stationary pollution sources... 18
9 Technical acceptance of continuous monitoring system for flue gas emissions from
stationary pollution sources... 19
10 Daily operation and management requirements for the continuous monitoring
system of flue gas emissions from stationary pollution sources... 29
11 Quality assurance requirements for daily operation of continuous monitoring
systems for flue gas emissions from stationary pollution sources... 30
12 Data review and processing of the continuous monitoring system for flue gas
emissions from stationary pollution sources... 34
Appendix A (Normative) Main technical indicators performance testing methods of
continuous monitoring system for flue gas emissions from stationary pollution sources
... 37
Appendix B (Informative) Analysis and processing methods for technical indicator
performance testing results of continuous monitoring system for flue gas emissions
from stationary pollution sources... 53
Appendix C (Normative) Calculation method of output parameters of the continuous
monitoring system for flue gas emissions from stationary pollution sources... 56
Appendix D (Informative) Original record table of installation, performance testing of
continuous monitoring system for flue gas emissions from stationary pollution sources
... 63
Appendix E (Informative) Commissioning and testing report of continuous monitoring
system for flue gas emissions from stationary pollution sources... 75
Appendix F (Informative) Acceptance report on technical indicators of continuous
monitoring system for flue gas emissions from stationary pollution sources... 78
Appendix G (Informative) Original record sheet for daily inspection, calibration,
maintenance of continuous monitoring system for flue gas emissions from stationary
pollution sources... 80
Appendix H (Normative) Requirements for data acquisition, processing, transmission
system of continuous monitoring system for flue gas emissions from stationary
pollution sources... 92
1 Scope
This standard specifies the composition and functions, technical performance,
monitoring station, installation, technical index commissioning and testing, technical
acceptance, daily operation management, daily operation quality assurance, data review
and processing requirements of the continuous monitoring system for flue gas
emissions from stationary pollution sources, including gaseous pollutants (SO2, NOX),
particulate matter emissions, as well as related flue gas parameters (oxygen content,
etc.).
This standard applies to the continuous monitoring system for flue gas (SO2, NOX,
particulate matter) emissions from stationary pollution sources such as thermal power
plant boilers, industrial/civilian boilers, industrial furnaces that use solid or liquid as
fuel or raw materials.
The continuous monitoring system for flue gas (SO2, NOX, particulate matter)
emissions from domestic waste incinerators, hazardous waste incinerators, stationary
pollution sources, that use gas as fuel or raw materials, can refer to this standard for
implementation.
Before the corresponding standards for continuous monitoring systems for flue gas
pollutant emissions are officially promulgated and implemented, they can refer to this
standard for implementation.
2 Normative references
The content of this standard refers to the following documents or clauses therein. For
any undated referenced documents, the latest version shall apply to this standard.
GB 4208 Degrees of protection provided by enclosure (IP code)
GB 50057 Code for design protection of structures against lightning
GB 50093 Code for construction and quality acceptance of automation
instrumentation engineering
GB 50168 Standard for construction and acceptance of cable line electric equipment
installation engineering
GB/T 16157 The determination of particulates and sampling methods of gaseous
pollutants emitted from exhaust gas of stationary source
3 Terms and definitions
3.1
Continuous emission monitoring, CEM
Continuous and real-time automatic monitoring of the emission concentration and
emission of particulate matter and (or) gaseous pollutants, as emitted by stationary
pollution sources, referred to as CEM.
3.5
Valid data
The data measured by the normal operation of CEMS under the condition of flue
gas emission from stationary pollution sources, which meets the technical indicators
of this standard and has passed the acceptance.
3.6
Valid hourly average
The arithmetic mean of valid data of not less than 45 minutes within 1 whole hour.
3.7
Reference method
A standard method published by a country or industry for comparison with CEMS
measurement results.
3.8
Checkout/verification
The process of comparing the relative accuracy, correlation coefficient, confidence
interval, allowable interval, relative error, absolute error, etc. of the test results of
CEMS (including sampling system and analysis system) using a reference method.
3.9
Performance testing
The calibration and verification of CEMS before technical acceptance after the
installation, initial adjustment, normal continuous operation of CEMS for at least
168 hours.
3.10
Comparison testing
The accuracy of a normally operating CEMS is randomly checked using a reference
method.
4 Composition and functional requirements of the continuous monitoring system of flue gas emissions from stationary pollution sources
CEMS consists of a particulate matter monitoring unit and (or) a gaseous pollutant
monitoring unit, a flue gas parameter monitoring unit, a data acquisition and processing
unit.
5 Technical performance requirements for continuous monitoring system of flue gas emissions from stationary pollution sources
Meet the relevant requirements of HJ 76.
6 Requirements for monitoring station of continuous monitoring system of flue gas emissions from stationary pollution sources
6.1 An independent station shall be provided for outdoor CEMS; the distance between
the monitoring station and the sampling point shall be as close as possible, in principle
not exceeding 70 m.
6.3 Air conditioning and heating equipment shall be installed in the monitoring station
room; the indoor temperature shall be maintained at (15 ~ 30) °C; the relative humidity
shall be ≤ 60%; the air conditioner shall have the function of automatic restart when a
call is received; exhaust fans or other ventilation facilities shall be installed in the station
room.
6.4 The power distribution power in the monitoring station room can meet the actual
requirements of the instrument; the power is not less than 8 kW; at least 5 three-hole
sockets, 1 voltage-stabilizing power supply, 1 UPS power supply are reserved.
6.5 The monitoring station room shall be equipped with certified standard gases of
different concentrations;
6.6 The monitoring station room shall have necessary waterproof, moisture-proof, heat-
insulating and thermal insulation measures; it shall also have explosion-proof functions
in specific occasions.
6.7 The monitoring station room shall have communication conditions that can meet
the data transmission requirements of CEMS.
7 Installation requirements for the continuous monitoring system for flue gas emissions from stationary pollution sources
7.1 Installation location requirements
7.1.1 General requirements
7.1.1.1 Located downstream of the emission control equipment for stationary pollution
sources and upstream of the comparison monitoring section;
7.1.1.5 The installation location shall not leak air;
7.1.1.6 A waterproof low-voltage distribution box shall be set up in the working area
where CEMS is installed, with a leakage protector and no less than two 10 A sockets to
ensure the power required by the monitoring equipment;
7.1.1.7 The sampling platform and sampling holes shall be arranged reasonably;
7.1.2 Specific requirements
7.1.2.1 The vertical pipe section and the negative pressure area of the flue shall be
preferred to ensure the representativeness of the collected samples.
7.1.2.3 For newly built emission sources, the sampling platform shall be designed and
constructed simultaneously with the exhaust device, to ensure that the sampling section
meets the requirements of 7.1.2.2 of this standard. For existing emission sources, when
it is impossible to find a sampling position that meets 7.1.2.2, the CEMS sampling or
7.2.4 The design drawings shall comply with the provisions of technical drawings,
mechanical drawings, electrical drawings, building structure drawings and other
standards.
7.2.5 The cleaning, inspection, maintenance of the equipment before installation shall
meet the following requirements.
8 Technical indicator performance testing of the continuous monitoring system for flue gas emissions from stationary pollution sources
After the CEMS is installed and operated on site, before acceptance, the technical
performance indicators shall be debugged and tested. The technical indicators of
performance testing include.
9 Technical acceptance of continuous monitoring system for flue gas emissions from stationary pollution sources
9.1 General requirements
After the installation, performance testing of CEMS are completed and the network is
connected to the competent department, technical acceptance shall be carried out,
including CEMS technical indicator acceptance and network acceptance.
9.2 Technical acceptance conditions
After the installation, performance testing of CEMS are completed and the following
requirements are met, technical acceptance work can be organized and implemented.
9.3 Acceptance of CEMS technical indicators
9.3.1 General requirements
9.3.1.1 The acceptance of CEMS technical indicators includes the acceptance of
particulate matter CEMS, gaseous pollutant CEMS, flue gas parameter CMS technical
indicators.
9.3.1.5 Certified standard materials or standard samples must be used for on-site
acceptance. Standard gases with lower concentrations can be obtained by using high-
concentration standard gases by proportional dilution method. The precision of the
proportional dilution device is within 1%. Standard gases are required to be stored in
aluminum or stainless steel bottles with an uncertainty of no more than ±2%.
9.3.3 Technical indicators acceptance of CEMS for gaseous pollutants and CMS
for oxygen
9.3.3.1 Acceptance content
The technical indicators acceptance of CEMS for gaseous pollutants and CMS for
oxygen includes zero drift, span drift, indication error, system response time, accuracy
acceptance. During the on-site acceptance, the indication error and system response
time acceptance test shall be conducted first. If the acceptance does not meet the
technical requirements, the acceptance of other items may not be continued.
HJ
ENVIRONMENTAL PROTECTION STANDARD
Replacing HJ/T 75-2007
Specifications for continuous emissions monitoring of SO2,
NOX, and particulate matter in the flue gas emitted from
stationary sources
Issued on. DECEMBER 29, 2017
Implemented on. MARCH 01, 2018
Issued by. Ministry of Environmental Protection
Table of Contents
Foreword... 4
1 Scope... 6
2 Normative references... 6
3 Terms and definitions... 7
4 Composition and functional requirements of the continuous monitoring system of flue
gas emissions from stationary pollution sources... 10
5 Technical performance requirements for continuous monitoring system of flue gas
emissions from stationary pollution sources... 10
6 Requirements for monitoring station of continuous monitoring system of flue gas
emissions from stationary pollution sources... 10
7 Installation requirements for the continuous monitoring system for flue gas emissions
from stationary pollution sources... 11
8 Technical indicator performance testing of the continuous monitoring system for flue
gas emissions from stationary pollution sources... 18
9 Technical acceptance of continuous monitoring system for flue gas emissions from
stationary pollution sources... 19
10 Daily operation and management requirements for the continuous monitoring
system of flue gas emissions from stationary pollution sources... 29
11 Quality assurance requirements for daily operation of continuous monitoring
systems for flue gas emissions from stationary pollution sources... 30
12 Data review and processing of the continuous monitoring system for flue gas
emissions from stationary pollution sources... 34
Appendix A (Normative) Main technical indicators performance testing methods of
continuous monitoring system for flue gas emissions from stationary pollution sources
... 37
Appendix B (Informative) Analysis and processing methods for technical indicator
performance testing results of continuous monitoring system for flue gas emissions
from stationary pollution sources... 53
Appendix C (Normative) Calculation method of output parameters of the continuous
monitoring system for flue gas emissions from stationary pollution sources... 56
Appendix D (Informative) Original record table of installation, performance testing of
continuous monitoring system for flue gas emissions from stationary pollution sources
... 63
Appendix E (Informative) Commissioning and testing report of continuous monitoring
system for flue gas emissions from stationary pollution sources... 75
Appendix F (Informative) Acceptance report on technical indicators of continuous
monitoring system for flue gas emissions from stationary pollution sources... 78
Appendix G (Informative) Original record sheet for daily inspection, calibration,
maintenance of continuous monitoring system for flue gas emissions from stationary
pollution sources... 80
Appendix H (Normative) Requirements for data acquisition, processing, transmission
system of continuous monitoring system for flue gas emissions from stationary
pollution sources... 92
1 Scope
This standard specifies the composition and functions, technical performance,
monitoring station, installation, technical index commissioning and testing, technical
acceptance, daily operation management, daily operation quality assurance, data review
and processing requirements of the continuous monitoring system for flue gas
emissions from stationary pollution sources, including gaseous pollutants (SO2, NOX),
particulate matter emissions, as well as related flue gas parameters (oxygen content,
etc.).
This standard applies to the continuous monitoring system for flue gas (SO2, NOX,
particulate matter) emissions from stationary pollution sources such as thermal power
plant boilers, industrial/civilian boilers, industrial furnaces that use solid or liquid as
fuel or raw materials.
The continuous monitoring system for flue gas (SO2, NOX, particulate matter)
emissions from domestic waste incinerators, hazardous waste incinerators, stationary
pollution sources, that use gas as fuel or raw materials, can refer to this standard for
implementation.
Before the corresponding standards for continuous monitoring systems for flue gas
pollutant emissions are officially promulgated and implemented, they can refer to this
standard for implementation.
2 Normative references
The content of this standard refers to the following documents or clauses therein. For
any undated referenced documents, the latest version shall apply to this standard.
GB 4208 Degrees of protection provided by enclosure (IP code)
GB 50057 Code for design protection of structures against lightning
GB 50093 Code for construction and quality acceptance of automation
instrumentation engineering
GB 50168 Standard for construction and acceptance of cable line electric equipment
installation engineering
GB/T 16157 The determination of particulates and sampling methods of gaseous
pollutants emitted from exhaust gas of stationary source
3 Terms and definitions
3.1
Continuous emission monitoring, CEM
Continuous and real-time automatic monitoring of the emission concentration and
emission of particulate matter and (or) gaseous pollutants, as emitted by stationary
pollution sources, referred to as CEM.
3.5
Valid data
The data measured by the normal operation of CEMS under the condition of flue
gas emission from stationary pollution sources, which meets the technical indicators
of this standard and has passed the acceptance.
3.6
Valid hourly average
The arithmetic mean of valid data of not less than 45 minutes within 1 whole hour.
3.7
Reference method
A standard method published by a country or industry for comparison with CEMS
measurement results.
3.8
Checkout/verification
The process of comparing the relative accuracy, correlation coefficient, confidence
interval, allowable interval, relative error, absolute error, etc. of the test results of
CEMS (including sampling system and analysis system) using a reference method.
3.9
Performance testing
The calibration and verification of CEMS before technical acceptance after the
installation, initial adjustment, normal continuous operation of CEMS for at least
168 hours.
3.10
Comparison testing
The accuracy of a normally operating CEMS is randomly checked using a reference
method.
4 Composition and functional requirements of the continuous monitoring system of flue gas emissions from stationary pollution sources
CEMS consists of a particulate matter monitoring unit and (or) a gaseous pollutant
monitoring unit, a flue gas parameter monitoring unit, a data acquisition and processing
unit.
5 Technical performance requirements for continuous monitoring system of flue gas emissions from stationary pollution sources
Meet the relevant requirements of HJ 76.
6 Requirements for monitoring station of continuous monitoring system of flue gas emissions from stationary pollution sources
6.1 An independent station shall be provided for outdoor CEMS; the distance between
the monitoring station and the sampling point shall be as close as possible, in principle
not exceeding 70 m.
6.3 Air conditioning and heating equipment shall be installed in the monitoring station
room; the indoor temperature shall be maintained at (15 ~ 30) °C; the relative humidity
shall be ≤ 60%; the air conditioner shall have the function of automatic restart when a
call is received; exhaust fans or other ventilation facilities shall be installed in the station
room.
6.4 The power distribution power in the monitoring station room can meet the actual
requirements of the instrument; the power is not less than 8 kW; at least 5 three-hole
sockets, 1 voltage-stabilizing power supply, 1 UPS power supply are reserved.
6.5 The monitoring station room shall be equipped with certified standard gases of
different concentrations;
6.6 The monitoring station room shall have necessary waterproof, moisture-proof, heat-
insulating and thermal insulation measures; it shall also have explosion-proof functions
in specific occasions.
6.7 The monitoring station room shall have communication conditions that can meet
the data transmission requirements of CEMS.
7 Installation requirements for the continuous monitoring system for flue gas emissions from stationary pollution sources
7.1 Installation location requirements
7.1.1 General requirements
7.1.1.1 Located downstream of the emission control equipment for stationary pollution
sources and upstream of the comparison monitoring section;
7.1.1.5 The installation location shall not leak air;
7.1.1.6 A waterproof low-voltage distribution box shall be set up in the working area
where CEMS is installed, with a leakage protector and no less than two 10 A sockets to
ensure the power required by the monitoring equipment;
7.1.1.7 The sampling platform and sampling holes shall be arranged reasonably;
7.1.2 Specific requirements
7.1.2.1 The vertical pipe section and the negative pressure area of the flue shall be
preferred to ensure the representativeness of the collected samples.
7.1.2.3 For newly built emission sources, the sampling platform shall be designed and
constructed simultaneously with the exhaust device, to ensure that the sampling section
meets the requirements of 7.1.2.2 of this standard. For existing emission sources, when
it is impossible to find a sampling position that meets 7.1.2.2, the CEMS sampling or
7.2.4 The design drawings shall comply with the provisions of technical drawings,
mechanical drawings, electrical drawings, building structure drawings and other
standards.
7.2.5 The cleaning, inspection, maintenance of the equipment before installation shall
meet the following requirements.
8 Technical indicator performance testing of the continuous monitoring system for flue gas emissions from stationary pollution sources
After the CEMS is installed and operated on site, before acceptance, the technical
performance indicators shall be debugged and tested. The technical indicators of
performance testing include.
9 Technical acceptance of continuous monitoring system for flue gas emissions from stationary pollution sources
9.1 General requirements
After the installation, performance testing of CEMS are completed and the network is
connected to the competent department, technical acceptance shall be carried out,
including CEMS technical indicator acceptance and network acceptance.
9.2 Technical acceptance conditions
After the installation, performance testing of CEMS are completed and the following
requirements are met, technical acceptance work can be organized and implemented.
9.3 Acceptance of CEMS technical indicators
9.3.1 General requirements
9.3.1.1 The acceptance of CEMS technical indicators includes the acceptance of
particulate matter CEMS, gaseous pollutant CEMS, flue gas parameter CMS technical
indicators.
9.3.1.5 Certified standard materials or standard samples must be used for on-site
acceptance. Standard gases with lower concentrations can be obtained by using high-
concentration standard gases by proportional dilution method. The precision of the
proportional dilution device is within 1%. Standard gases are required to be stored in
aluminum or stainless steel bottles with an uncertainty of no more than ±2%.
9.3.3 Technical indicators acceptance of CEMS for gaseous pollutants and CMS
for oxygen
9.3.3.1 Acceptance content
The technical indicators acceptance of CEMS for gaseous pollutants and CMS for
oxygen includes zero drift, span drift, indication error, system response time, accuracy
acceptance. During the on-site acceptance, the indication error and system response
time acceptance test shall be conducted first. If the acceptance does not meet the
technical requirements, the acceptance of other items may not be continued.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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