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HJ 1013-2018: Specifications and test procedures for nonmethane hydrocarbons continuous emission monitoring system in stationary sources
HJ 1013-2018
HJ
ENVIRONMENTAL PROTECTION STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
Specifications and test procedures for nonmethane
hydrocarbons continuous emission monitoring
system in stationary sources
ISSUED ON: DECEMBER 29, 2018
IMPLEMENTED ON: JULY 01, 2019
Issued by: Ministry of Ecological Environment
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 4 
4 System composition and structure ... 5 
5 Technical requirements ... 7 
6 Performance indicators ... 11 
7 Testing method ... 13 
8 Quality assurance ... 27 
9 Testing items ... 30 
Appendix A (Normative) NMHC-CEMS daily report, monthly report, annual
report ... 33 
Appendix B (Informative) Original record of laboratory testing and on-site
testing ... 38 
Appendix C (Normative) Calculation of conversion of volume concentration to
mass concentration in carbon ... 47 
Specifications and test procedures for nonmethane
hydrocarbons continuous emission monitoring
system in stationary sources
1 Scope
This standard specifies the composition structure, technical requirements,
performance indicators, detection methods of nonmethane hydrocarbons
continuous emission monitoring system in stationary sources.
This standard applies to the design, production, testing of nonmethane
hydrocarbons continuous emission monitoring system in stationary sources.
2 Normative references
This standard refers to the following documents or their clauses. For undated
reference documents, their valid versions are applicable to this standard.
GB 3836.1 Explosive atmospheres - Part 1: Equipment - General
requirements
GB/T 4208 Degrees of protection provided by enclosure (IP code)
GB/T 16157 The determination of particulates and sampling methods of
gaseous pollutants emitted from exhaust gas of stationary source
HJ 38 Stationary source emission - Determination of total hydrocarbons,
methane and nonmethane hydrocarbons - Gas chromatography
HJ 75 Specifications for continuous emissions monitoring of SO2, NOX, and
particulate matter in the flue gas emitted from stationary sources
HJ 76 Specifications and test procedures for continuous emission monitoring
system for SO2, NOX and particulate matter in flue gas emitted from
stationary
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1
5.1.1 NMHC-CEMS shall have a product nameplate. The nameplate shall be
marked with product name, model, manufacturer, exit-factory number,
manufacturing date, power supply specifications, main parameter span, etc.
5.1.2 The surface of NMHC-CEMS shall be intact, without obvious defects; all
parts and components shall be connected reliably; operating keys and buttons
shall be flexible to use; positioning shall be accurate.
5.1.3 The panel of the NMHC-CEMS host is clearly displayed; the color is firm;
the characters and markings are easy to identify; there shall be no defects,
which affect the reading.
5.1.4 The shell or outer cover of the outdoor parts of NMHC-CEMS shall at least
meet the requirements of IP55 protection level in GB/T 4208.
5.2 Working conditions
NMHC-CEMS shall work normally under the following conditions:
a) Indoor ambient temperature: (15 ~ 35) °C; outdoor ambient temperature:
(-20 ~ 50) °C;
b) Relative humidity: ≤ 85%;
c) Atmospheric pressure: (80 ~ 106) kPa;
d) Power supply voltage: AC (220 ± 22) V, (50 ± 1) Hz.
Note: Under special environmental conditions, the configuration of system
equipment shall meet the requirements of local environmental conditions.
5.3 Safety requirements
5.3.1 Insulation resistance
When the ambient temperature is (15 ~ 35) °C and the relative humidity is ≤
85%, the insulation resistance of the system power terminal to the ground or
the chassis is not less than 20 MΩ.
5.3.2 Insulation strength
When the ambient temperature is (15 ~ 35) °C and the relative humidity is ≤
85%, the system shall last for 1 min, under 1500 V (effective value), 50 Hz sine
wave test voltage; there shall be no breakdown or arcing.
5.3.3 The system shall have a leakage protection device and good grounding
measures, to prevent damage to the system, which is caused by lightning
strikes.
5.3.4 Installation and users shall establish effective safety measures, to prevent
the leakage of flammable, explosive, toxic, harmful gases; prevent other safety
risks. If the equipment installation environment has explosion-proof
requirements, it must be implemented, in accordance with the relevant
requirements in GB 3836.1.
5.4 Functional requirements
5.4.1 Requirements for sample collection and transmission devices
5.4.1.1 The sample collection and transmission device shall select the materials,
which are resistant to high temperature, corrosion, non-absorptive, non-reactive
with the pollutants under test; meanwhile, it shall not affect the normal
measurement of the pollutants under test.
5.4.1.2 The sample collection device shall have the functions of heating, heat
preservation, backflushing purification. The heating shall be uniform and stable.
The heating temperature shall be ensured to be above 120 °C, or 20 °C higher
than the flue gas temperature, whichever is higher. The heating temperature
value shall be able to be displayed and queried, in the cabinet or system
software.
5.4.1.3 The sample collection device shall have a particulate filtering function.
The front or back end of the sampling equipment shall be equipped with a
particulate filter, which is easy to replace or clean. The filter shall be able to filter
particles, which has a particle size of at least 5 μm.
5.4.1.4 The sample transfer pipeline shall have the functions of stable and
uniform heating and heat preservation. The heating temperature shall be
ensured to be above 120 °C, or 20 °C higher than the flue gas temperature,
whichever is higher. The heating temperature value shall be able to be
displayed and queried, in the cabinet or system software.
5.4.1.5 There shall be at least two gas transmission pipes, in the sample
transmission pipeline, one is used for collection and transmission of sample gas,
whilst the other is used for full process calibration of calibration gas. The
system's sample collection and transmission device shall meet the
requirements for completing the functions of calibrating the complete system.
5.4.1.6 The sampling pump shall have sufficient suction capacity, to overcome
the negative pressure of the flue; ensure that the sampling flow is accurate,
reliable, and relatively stable.
5.4.2 Pretreatment equipment
5.4.2.1 The pretreatment equipment and its components shall be easy to clean
and replace. It shall be made of materials, which do not absorb and do not react
instruments.
5.4.5.3 The exhaust gas discharge pipeline of the system shall be laid in a
standard manner. It shall not be placed randomly.
5.4.5.4 The tail gas discharge device of the system shall be able to ensure that
the moisture in the exhaust gas does not condense, accumulate or even freeze,
causing blockage of the tail gas discharge pipeline and poor exhaust. If
necessary, it shall be equipped with heating or trace-heating devices, gas-liquid
separation devices, etc.
5.4.5.5 The system shall be equipped with a regular automatic back-flushing
device, according to the actual needs of the site, to regularly back-flush other
measuring parts, such as...