HJ 1014-2020 PDF English
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Emissions control technical requirements of non-road diesel mobile machinery
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HJ 1014-2020: Emissions control technical requirements of non-road diesel mobile machinery---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/HJ1014-2020
ENVIRONMENTAL PROTECTION STANDARD
Emissions control technical requirements of non-road diesel
mobile machinery
Issued on. DECEMBER 28, 2020
Implemented on. DECEMBER 28, 2020
Issued by. Ministry of Ecological Environment
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 6
3 Terms and definitions... 7
4 Pollution control requirements... 14
5 Technical requirements and tests... 16
6 Installation on the machine... 24
7 Emission compliance requirements and inspection of newly produced machinery
(diesel engine)... 25
8 In-use compliance requirements and inspections... 27
9 Environmental protection information label for machinery... 29
10 Family... 30
Appendix A (Normative) Type inspection materials... 32
Appendix B (Normative) Bench test procedures... 46
Appendix C (Normative) Requirements for correct operation of NOX control measures
... 112
Appendix D (Normative) Requirements for correct operation of particulate control
measures... 140
Appendix E (Normative) On-board testing procedures and requirements... 150
Appendix F (Normative) Requirements for production consistency assurance and
inspection... 168
Appendix G (Normative) Technical requirements for in-use compliance... 171
Appendix H (Normative) Technical requirements for on-board terminals... 178
Appendix I (Normative) Machinery's environmental information label... 190
Appendix J (Normative) Technical requirements for confirmatory inspection... 193
Appendix K (Normative) Machinery's environmental protection code... 202
1 Scope
This standard specifies the technical requirements for pollutant emission control of the
stage IV non-road diesel mobile machinery (hereinafter referred to as the machinery),
the diesel engine it is equipped with, as well as the second diesel engine installed in the
vehicle for carrying people (cargo) on the road.
This standard applies to the type inspection, production consistency inspection,
emission compliance inspection, in-use compliance inspection and durability
requirements, for the following (including but not limited to) machinery and diesel
engines installed at non-constant speed, such as.
- Construction machinery (including excavation machinery, shoveling machinery,
hoisting machinery, forklift trucks, compaction machinery, road construction and
maintenance machinery, concrete machinery, excavation machinery, piling
machinery, aerial work machinery, rock drilling machinery, etc.);
- Agricultural machinery (including tractors, combine harvesters, etc.);
- Forestry machinery;
- Airport ground handling equipment;
- Material handling machinery;
- Snow plow equipment;
- Industrial drilling equipment.
This standard applies to the type inspection, production consistency inspection,
emission compliance inspection, in-use compliance inspection, durability requirements,
for the following (including but not limited to) machinery and diesel engines installed
at constant speed, such as.
- Air compressor;
- Generator sets;
- Fishing machinery (aerators, pond excavators, etc.);
- Water pump.
Three-wheeled vehicles and their installed diesel engines, AND ships with rated net
power less than 37 kW and their installed diesel engines, shall implement this standard.
2 Normative references
This standard refers to the following documents or clauses thereof. For undated
references, the latest edition applies to this standard.
GB 7258 Technical specifications for safety of power-driven vehicles operating on
roads
GB 17691-2005 Limits and measurement methods for exhaust pollutants from
compression ignition and gas fueled positive ignition engines of vehicles (III, IV, V)
GB 17691-2018 Limits and measurement methods for emissions from diesel fueled
heavy-duty vehicles (CHINA VI)
GB 20891-2014 Limits and measurement methods for exhaust pollutants from diesel
engines of non-road mobile machinery (CHINA III, IV)
GB 29518-2013 Diesel engines NOx reduction agent - Aqueous urea solution (AUS
32)
GB 36886-2018 Limits and measurement methods for exhaust smoke from non-road
mobile machinery equipped with diesel engine
GB/T 1147.1 Small and medium power internal combustion engines - Part 1.
General requirements
GB/T 25606 Earth-moving machinery - Product identification numbering system
HJ 437-2008 Technical specification for on-board diagnostic (OBD) system of
compression ignition and gas fueled positive ignition engines of vehicles
ISO 13400 Road vehicles - Diagnostic communication over Internet Protocol (DoIP)
3 Terms and definitions
The terms and definitions as defined in GB 20891-2014, as well as the following terms
and definitions, apply to this standard.
3.1 Emission control strategy
A design element or set of design elements, which are integrated with the overall
design of a diesel engine system or machinery, for controlling pollutant emissions,
including a base emission control strategy (BECS) and a set of auxiliary emission
control strategy (AECS).
3.2 Base emission control strategy (BECS)
The emission control strategy, that works in the entire diesel engine speed and load
range, when the auxiliary emission control strategy is not activated, such as. diesel
engine timing map (engine timing map), EGR flow characteristic map (EGR map),
SCR system reagent supply characteristic map (SCR catalyst reagent dosing map),
etc.
3.3 Auxiliary emission control strategy (AECS)
The emission control strategy, which functions under specific environmental
conditions and/or operating conditions (such as vehicle speed, diesel engine speed,
gear position, intake air temperature or intake pressure, etc.), for one or more
specific purposes, to implement temporary replacement or modification of emission
control strategies.
3.4 Defeat strategy
An emission strategy, that does not meet the performance requirements of the base
emission strategy or the auxiliary emission strategy, which is specified in this
standard.
4 Pollution control requirements
4.1 Type inspection of machinery and diesel engines
4.1.1 General requirements
4.1.2 Type inspection of family (source machine)
4.2 Change of product type
For any modification of diesel engine models or machinery, that has been type-tested,
it shall not have adverse effects on pollutant emissions, AND still meet the requirements
of this standard. If the changed items are public information, machinery
manufacturers/importers shall disclose the information on the change of the product. If
the changed items may affect the emission performance, the corresponding type
inspection shall be carried out, AND the information of the product changes and type
inspection results shall be disclosed.
4.3 Information disclosure
4.3.1 For the machinery within the scope of application of this standard, the machinery
manufacturing/importing enterprises shall make information disclosure, in accordance
with the requirements of Appendix A of GB 20891-2014, as well as Appendix A of this
standard. Relevant content, which involves the secrets of diesel engine manufacturers,
may be disclosed by diesel engine enterprises, after technical processing.
4.4 Environmental production consistency and in-use compliance
4.4.1 Machinery and diesel engine manufacturers shall ensure the environmental
protection production consistency of mass-produced machinery and diesel engines;
provide relevant production consistency assurance materials, in accordance with the
requirements of Appendix F. Manufacturers shall, in accordance with the provisions of
this standard, ensure that the emissions of newly-produced machinery and diesel
engines meet the standards;
5 Technical requirements and tests
5.1 General requirements
5.1.1 Requirements for base emission control strategies
The base emission control strategy shall be effective, within the normal working range
of the diesel engine AND meet the relevant requirements of this standard.
5.1.2 Requirements for auxiliary emission control strategies
5.1.3 The machinery manufacturer shall prepare a file package, on the detailed
descriptions of the technical points that affect the emission of the machinery, the diesel
engine emission control strategy, the method for the diesel engine system to directly or
indirectly control the variables related to emission, the driver alarm system and the
drivability limiting system as required in Appendix C and Appendix D, which meets
the requirements of A.3.2.
5.2 Type inspection items
When the type inspection of machinery and diesel engine models (family) is carried out,
according to this standard, the required type inspection items are as shown in Table 1
(if applicable).
5.3 Standard cycle emission requirements
5.3.1 Machines, which are equipped with diesel engines, at a rated net power of 37 kW
~ 560 kW, shall be equipped with wall-flow diesel particulate filters (DPF) OR more
efficient particulate control devices. When tested in accordance with the test procedures
of Appendix B of GB 20891-2014 and Appendix B of this standard,
5.3.2 During the test, in accordance with the test procedures in Appendix B of GB
20891-2014 and Appendix B of this standard, it shall measure the CO2 emission and
fuel consumption of the diesel engine, at the same time; record the measurement results.
5.4 Non-standard cycle emission requirements
5.4.1 The requirements for non-standard cycle emissions apply to all diesel engines,
which have electronically controlled fuel systems, for machinery use.
5.5 Durability requirements
5.5.1 Durability requirements shall, in addition to meeting the requirements of
Appendix BD of GB 20891-2014, also meet the requirements of 5.5.2 ~ 5.5.4.
5.7 Machinery technical requirements
5.7.1 When the machinery manufacturer installs the diesel engine on the machinery, it
shall strictly follow the installation requirements, which are specified in Chapter 6.
Meanwhile, in the actual operation process, it can still meet the requirements of the
corresponding standard, when it is verified in accordance with Appendix E and GB
36886-2018.
5.7.2 The emission control diagnostic system shall provide a standardized interface and
unrestricted access (read only), which shall comply with the provisions of D.8.2, D.8.4,
D.8.5, D.8.6 in HJ 437-2008.The diagnostic interface shall be in an easily discoverable
and accessible location.
5.8 Requirements for discharge warranty period
6 Installation on the machine
6.1 For the machinery, within the scope of this standard, the machinery manufacturer
shall ensure that the condition of the diesel engine, after being installed on the
machinery, is exactly the same as the condition of the diesel engine' type inspection.
The enterprise shall not make any adjustments to the diesel engine.
6.2 The inlet pressure drop shall not exceed the pressure drop, which is specified in
Appendix A of GB 20891-2014, for diesel engines that have been type-tested;
6.3 The exhaust back pressure shall not exceed the back pressure, which is specified in
Appendix A of GB 20891-2014, for diesel engines that have been type-tested;
6.4 The power, which is absorbed by the auxiliary parts, as required for the operation
of the diesel engine, shall not exceed the absorbed power of the auxiliary parts, which
are specified in Appendix A of GB 20891-2014, for the diesel engine that has been type- tested.
6.5 The characteristics of the exhaust aftertreatment system shall be consistent with
those in the diesel engine's type inspection in Appendix A of GB 20891-2014.
6.6 For a diesel engine which is type-tested as an independent technical assembly, when
it is installed on the machine, the emission control diagnostic system shall meet the
requirements of the diesel engine manufacturer.
7 Emission compliance requirements and inspection of newly produced machinery (diesel engine)
7.1 General requirements
7.1.1 Machinery manufacturers shall take measures, to ensure production consistency,
in accordance with the requirements of Appendix F.
7.1.2 The production consistency check shall be carried out, on the basis of Appendix
A, as well as the information disclosure materials in Appendix A of GB 20891-2014.
7.1.3 The machinery used for the test shall be randomly selected; the machinery
manufacturer shall not make any adjustments to the selected machinery (including the
update of the ECU software).
7.2 Self-inspection of compliance of newly produced machinery (diesel engine)
7.2.1 Machinery manufacturers shall formulate self-inspection procedures by
themselves; conduct self-inspection on emission compliance of newly produced
machinery by family, including self-inspection items, self-inspection methods,
sampling methods, sampling proportions, etc. The self-inspection plan and results are
made public.
7.2.2 The machinery emission's self-inspection shall be tested, in accordance with the
provisions of Appendix E of this standard and GB 36886-2018.
7.3 Supervision and spot check on compliance of newly produced machinery
(diesel engine)
7.3.1 Inspection of basic emission configuration
Check the basic configuration of emission. If the inspected key components of
machinery emission control or emission control strategy are inconsistent with the
content of the information disclosure, it will be deemed that the machinery inspection
of this model has failed.
7.3.2 Check the enterprise's self-inspection
Check the self-inspection plan, self-inspection process, self-inspection records, self-
inspection results of machinery manufacturers.
7.3.3 Functional check of emission control strategy
Randomly take 3 machines, from the mass-produced machines. If more than 2 machines
meet the requirements of Appendix C (if applicable) and Appendix D (if applicable), it
will be judged as qualified. If more than one diagnostic system cannot be effectively
accessed, OR it is found that there is no diagnostic interface, it will be judged as
unqualified.
7.3.4 Inspection of pollutant discharge
7.3.5 Supervision and spot-check of newly produced diesel engines
According to the provisions of Chapter 6 of GB 20891-2014, supervise and spot checks
on newly produced diesel engines.
7.4 Exit-factory inspection of newly produced machinery
For the newly produced machinery, it shall ensure that it meets the requirements of
category II limits in Table 1 of GB 36886-2018, before leaving the factory.
8 In-use compliance requirements and inspections
8.1 General requirements
8.1.1 For the machinery or diesel engine, to which this standard applies, measures shall
be taken to ensure its in-use compliance.
8.1.2 The technical measures, which are adopted by machinery manufacturers, shall
ensure that, under normal use conditions, the exhaust pollutant emissions of machinery
in the whole life cycle can be effectively controlled.
8.1.3 If the supervisory spot-check on in-use compliance fails, the in-use compliance
check fails; it is judged that the durability does not meet the requirements.
8.2 In-use compliance inspection
In-use compliance shall be checked, under normal use conditions, within the effective
life period, according to the provisions of Appendix G of this standard. The in-use
compliance inspection includes the self-inspection of the machinery and diesel engine
manufacturers, which are specified in 8.2.1, as well as the supervisory spot-check of
the competent department of ecological environment, which is specified in 8.2.2.
8.2.1 Self-inspection of manufacturer
8.2.2 Supervisory spot-check by the competent department of ecological environment
8.2.3 Corrective actions for non-compliances
8.2.3.1 The manufacturer shall submit a corrective measure plan as required AND
implement it as planned.
9 Environmental protection information label for machinery
9.1 Machinery enterprises shall install a machinery environmental protection
information label, for each machine, during production or before import. The label shall
meet the following requirements.
9.2 The machinery environmental protection information label shall also meet other
requirements of Appendix I.
9.3 Three-wheeled vehicles shall implement the regulations on the on-vehicle list of
environmental protection information of motor vehicles, in accordance with the
"Announcement on the Disclosure of Environmental Protection Information of Motor
Vehicles and Machinery (GHGDQ [2016] No.3).
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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