HJ 354-2019 PDF English
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Technical specification for check and acceptance of wastewater on-line monitoring system (CODCr, NH3-N et al.)
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| HJ/T 354-2007 | English | 559 |
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Technical specifications for check and acceptance of wastewater on-line monitoring system(on trial)
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Similar standards HJ 353 HJ 355 HJ 356 HJ 354-2019: Technical specification for check and acceptance of wastewater on-line monitoring system (CODCr, NH3-N et al.)
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NATIONAL ENVIRONMENTAL PROTECTION STANDARD
Replacing HJ/T 354-2007
Technical specification for check and acceptance of
wastewater on-line monitoring system
(CODCr, NH3-N et al.)
Issued on. DECEMBER 24, 2019
Implemented on. MARCH 24, 2020
Issued by. Ministry of Ecology and Environment
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 6
4 Acceptance conditions and acceptance content... 8
5 Construction acceptance requirements... 9
6 Acceptance requirements for wastewater online monitoring equipment... 12
7 Network acceptance requirements... 19
8 Acceptance requirements for operation and maintenance program... 20
9 Requirements for preparation of acceptance report... 21
Appendix A (Normative) Acceptance report format... 22
Appendix B (Normative) Format of comparison monitoring report... 33
1 Scope
This standard specifies the acceptance conditions and acceptance procedures
of the wastewater online monitoring system; the acceptance requirements for
water pollution source discharge outlets, flow monitoring units, monitoring
stations, automatic water sampling units and data control units; the acceptance
methods and acceptance technical indicators of flow meters, water quality
automatic samplers and water quality automatic analyzer; as well as the
acceptance content of the operation and maintenance plan of the wastewater
online monitoring system.
This standard applies to the acceptances of the components of the wastewater
online monitoring system constructed and installed in accordance with HJ 353
as well as the online monitoring instruments of water pollution sources such as
flow meters, automatic water quality samplers, water quality automatic
analyzers of chemical oxygen demand (CODCr), water quality automatic
analyzers of total organic carbon (TOC), water quality automatic analyzers of
ammonia nitrogen (NH3-N), water quality automatic analyzer of total
phosphorus (TP), water quality automatic analyzer of total nitrogen (TN),
thermometers, pH water quality automatic analyzers, etc.
The wastewater online monitoring system specified in this standard is
applicable to the online monitoring of chemical oxygen demand (CODCr),
ammonia nitrogen (NH3-N), total phosphorus (TP), total nitrogen (TN), pH value,
temperature, flow monitoring factors.
2 Normative references
This standard refers to the following documents or clauses therein. For undated
references, the valid version is applicable to this standard.
GB/T 6920 Water quality - Determination of pH value - Glass electrode
method
GB/T 11893 Water quality - Determination of total phosphorus - Ammonium
molybdate spectrophotometric method
GB/T 15562.1 Environmental protection graphic sign - Discharge port
(source)
GB/T 50093 Code for construction and acceptance of automation
instrumentation engineering
GB/T 50168 Code for construction and acceptance of cable lines for
electrical installation engineering
HJ 212 Data transmission standard for online monitoring systems of
pollutant
HJ 353-2019 Technical specification for installation of wastewater on-line
monitoring system (CODCr, NH3-N et al.)
HJ 355 Technical specification for operation of wastewater on-line
monitoring system (CODCr, NH3-N et al.)
HJ 535 Water quality - Determination of ammonia nitrogen - Nessler reagent
spectrophotometry
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1
Wastewater on-line monitoring system
Refers to a system consisting of software and hardware facilities that
implement functions such as monitoring the flow of water pollution source
flow, collecting water samples from water pollution sources, analyzing water
samples from water pollution sources, analyzing data statistics and
uploading.
3.2
Wastewater on-line monitoring equipment
Refers to the instruments and meters used in the wastewater online
monitoring system to continuously monitor the concentration and discharge
of pollutants online.
3.3
Instantaneous sample
Refers to the water sample collected at one time at a sampling point.
3.4
Composite sample
Refers to a mixture of water samples collected at the same sampling point
continuously or at different times.
4 Acceptance conditions and acceptance content
4.1 Acceptance conditions
4.1.1 Provide relevant technical information on the type selection, engineering
design, construction, installation and commissioning, performance of the
wastewater online monitoring system.
4.1.5 The automatic water sampling unit has been running stably for one month.
It can collect instantaneous samples and representative composite samples for
the analysis of the wastewater online monitoring instruments. It may retain
samples and alarm.
4.1.6 The power supply is uninterrupted during the acceptance process.
4.1.7 The data control unit has been operating stably for one month, sending
data to the monitoring center platform in time, during which the equipment
operation rate shall be greater than 90%; the data transmission rate shall be
greater than 90%.
4.2 Acceptance contents
After the wastewater online monitoring system is installed, commissioned, and
test run, and connected to the environmental protection authority, it shall
undergo construction acceptance, instrument and equipment acceptance,
network acceptance, operation and maintenance program acceptance.
5 Construction acceptance requirements
5.1 Pollution source discharge outlet
5.1.1 The layout of pollution source discharge outlets meets the requirements
of HJ 91.1.
5.2 Flow monitoring unit
5.2.1 The dredging work platform is provided at the rear end of the triangular
weir and the rectangular weir, which can facilitate the removal of deposits at the
rear end of the weir trough.
5.2.2 There is a working platform for the inspection and comparison of
ultrasonic probes at the installation place of the flowmeter, which can facilitate
the maintenance and comparison of the flowmeter.
5.2.5 The installation of protective railings shall all meet the requirements.
5.3 Monitoring station building
5.3.1 The monitoring station building has its all rooms dedicated for special
purposes.
5.4 Automatic water sampling unit
5.4.1 Realize the functions of collecting instantaneous samples and composite
samples, mixing and temporarily storing water samples, automatic washing and
emptying of the mixing bucket.
5.4.2 Realize the function of retaining composite samples and instantaneous
samples.
5.4.3 Realize in-situ measurement of pH automatic water analyzer,
thermometer or the measurement of instantaneous sample.
5.4.4 CODCr, TOC, NH3-N, TP, TN automatic water analyzer measures the
composite sample.
5.4.5 The necessary anti-freezing or anti-corrosion facilities shall be provided.
5.4.6 Set artificial comparison sampling port for composite samples.
5.4.7 The pipes of the automatic water sampling unit are open pipes, marked
with water flow direction.
5.5 Data control unit
5.5.1 The data control unit can coordinate and operate the wastewater online
monitoring system; collect, store, and display monitoring data and running daily
records; upload the wastewater monitoring data to the monitoring center
platform.
6 Acceptance requirements for wastewater online monitoring equipment
6.1 Basic acceptance requirements
6.1.1 The various cables and pipes of the wastewater online monitoring
instrument shall be protected by pipes laid in the ground or erected in the air.
The cables erected in the air shall be attached to a solid bridge frame; the
cables, pipes, as well as both ends of the cables, pipes are clearly marked. The
construction of cable lines shall meet the relevant requirements of GB/T 50168.
6.2 Functional acceptance requirements
6.2.1 It has time setting, proofreading and display functions.
6.2.4 It shall be possible to set a three-level system login password and
corresponding operation authority.
6.2.7 It shall have limit alarm and alarm signal output functions.
6.2.8 It shall have the functions of receiving external trigger commands from
remote control network and starting analysis.
6.3 Performance acceptance method
7 Network acceptance requirements
7.1 Communication stability
The communication between the data control unit and the monitoring center
platform is stable; there shall be no communication problems such as frequent
communication interruption, data loss, incomplete data.
7.2 Data transmission security
In order to ensure the security of monitoring data transmission on the public
data network, the data acquisition and transmission instrument used can follow
the encryption method as specified in HJ 212 to encrypt and process the
transmission, to guarantee the security of data transmission. One end requests
a connection and the other end shall authenticate.
7.3 Correctness of communication protocol
The communication protocol used shall fully comply with the relevant
requirements of HJ 212.
7.5 Network stability
Within a continuous month, the system can run stably without any other
connecting-network problems except communication stability, correctness of
communication protocols, correctness of data transmission.
7.6 Requirements for field failure simulation recovery test
During the on-site acceptance of the automatic wastewater online continuous
monitoring system, artificially simulate the failures such as on-site power failure,
water and gas outages.
7.7 Measurement frequency and measurement result report
It can automatically generate daily statistics, monthly statistics and annual
statistics according to the requirements. For the report format, refer to Appendix
C of HJ 353-2019.
8 Acceptance requirements for operation and maintenance program
8.1 The operation and maintenance program shall include a description of the
wastewater online monitoring system, operation and maintenance work
instructions and record forms; form a written document for effective
management.
8.3 The contents of the operation and maintenance instructions shall include at
least the following.
8.4 The record form shall meet the setting requirements in the operation and
maintenance work instructions.
9 Requirements for preparation of acceptance report
9.1 For the format of the acceptance report, see Appendix A.
9.2 For the comparison monitoring report format, see Appendix B.
9.3 The acceptance report shall be accompanied by an acceptance comparison
monitoring report, a network certification, an installation and commissioning
report.
NATIONAL ENVIRONMENTAL PROTECTION STANDARD
Replacing HJ/T 354-2007
Technical specification for check and acceptance of
wastewater on-line monitoring system
(CODCr, NH3-N et al.)
Issued on. DECEMBER 24, 2019
Implemented on. MARCH 24, 2020
Issued by. Ministry of Ecology and Environment
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 6
4 Acceptance conditions and acceptance content... 8
5 Construction acceptance requirements... 9
6 Acceptance requirements for wastewater online monitoring equipment... 12
7 Network acceptance requirements... 19
8 Acceptance requirements for operation and maintenance program... 20
9 Requirements for preparation of acceptance report... 21
Appendix A (Normative) Acceptance report format... 22
Appendix B (Normative) Format of comparison monitoring report... 33
1 Scope
This standard specifies the acceptance conditions and acceptance procedures
of the wastewater online monitoring system; the acceptance requirements for
water pollution source discharge outlets, flow monitoring units, monitoring
stations, automatic water sampling units and data control units; the acceptance
methods and acceptance technical indicators of flow meters, water quality
automatic samplers and water quality automatic analyzer; as well as the
acceptance content of the operation and maintenance plan of the wastewater
online monitoring system.
This standard applies to the acceptances of the components of the wastewater
online monitoring system constructed and installed in accordance with HJ 353
as well as the online monitoring instruments of water pollution sources such as
flow meters, automatic water quality samplers, water quality automatic
analyzers of chemical oxygen demand (CODCr), water quality automatic
analyzers of total organic carbon (TOC), water quality automatic analyzers of
ammonia nitrogen (NH3-N), water quality automatic analyzer of total
phosphorus (TP), water quality automatic analyzer of total nitrogen (TN),
thermometers, pH water quality automatic analyzers, etc.
The wastewater online monitoring system specified in this standard is
applicable to the online monitoring of chemical oxygen demand (CODCr),
ammonia nitrogen (NH3-N), total phosphorus (TP), total nitrogen (TN), pH value,
temperature, flow monitoring factors.
2 Normative references
This standard refers to the following documents or clauses therein. For undated
references, the valid version is applicable to this standard.
GB/T 6920 Water quality - Determination of pH value - Glass electrode
method
GB/T 11893 Water quality - Determination of total phosphorus - Ammonium
molybdate spectrophotometric method
GB/T 15562.1 Environmental protection graphic sign - Discharge port
(source)
GB/T 50093 Code for construction and acceptance of automation
instrumentation engineering
GB/T 50168 Code for construction and acceptance of cable lines for
electrical installation engineering
HJ 212 Data transmission standard for online monitoring systems of
pollutant
HJ 353-2019 Technical specification for installation of wastewater on-line
monitoring system (CODCr, NH3-N et al.)
HJ 355 Technical specification for operation of wastewater on-line
monitoring system (CODCr, NH3-N et al.)
HJ 535 Water quality - Determination of ammonia nitrogen - Nessler reagent
spectrophotometry
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1
Wastewater on-line monitoring system
Refers to a system consisting of software and hardware facilities that
implement functions such as monitoring the flow of water pollution source
flow, collecting water samples from water pollution sources, analyzing water
samples from water pollution sources, analyzing data statistics and
uploading.
3.2
Wastewater on-line monitoring equipment
Refers to the instruments and meters used in the wastewater online
monitoring system to continuously monitor the concentration and discharge
of pollutants online.
3.3
Instantaneous sample
Refers to the water sample collected at one time at a sampling point.
3.4
Composite sample
Refers to a mixture of water samples collected at the same sampling point
continuously or at different times.
4 Acceptance conditions and acceptance content
4.1 Acceptance conditions
4.1.1 Provide relevant technical information on the type selection, engineering
design, construction, installation and commissioning, performance of the
wastewater online monitoring system.
4.1.5 The automatic water sampling unit has been running stably for one month.
It can collect instantaneous samples and representative composite samples for
the analysis of the wastewater online monitoring instruments. It may retain
samples and alarm.
4.1.6 The power supply is uninterrupted during the acceptance process.
4.1.7 The data control unit has been operating stably for one month, sending
data to the monitoring center platform in time, during which the equipment
operation rate shall be greater than 90%; the data transmission rate shall be
greater than 90%.
4.2 Acceptance contents
After the wastewater online monitoring system is installed, commissioned, and
test run, and connected to the environmental protection authority, it shall
undergo construction acceptance, instrument and equipment acceptance,
network acceptance, operation and maintenance program acceptance.
5 Construction acceptance requirements
5.1 Pollution source discharge outlet
5.1.1 The layout of pollution source discharge outlets meets the requirements
of HJ 91.1.
5.2 Flow monitoring unit
5.2.1 The dredging work platform is provided at the rear end of the triangular
weir and the rectangular weir, which can facilitate the removal of deposits at the
rear end of the weir trough.
5.2.2 There is a working platform for the inspection and comparison of
ultrasonic probes at the installation place of the flowmeter, which can facilitate
the maintenance and comparison of the flowmeter.
5.2.5 The installation of protective railings shall all meet the requirements.
5.3 Monitoring station building
5.3.1 The monitoring station building has its all rooms dedicated for special
purposes.
5.4 Automatic water sampling unit
5.4.1 Realize the functions of collecting instantaneous samples and composite
samples, mixing and temporarily storing water samples, automatic washing and
emptying of the mixing bucket.
5.4.2 Realize the function of retaining composite samples and instantaneous
samples.
5.4.3 Realize in-situ measurement of pH automatic water analyzer,
thermometer or the measurement of instantaneous sample.
5.4.4 CODCr, TOC, NH3-N, TP, TN automatic water analyzer measures the
composite sample.
5.4.5 The necessary anti-freezing or anti-corrosion facilities shall be provided.
5.4.6 Set artificial comparison sampling port for composite samples.
5.4.7 The pipes of the automatic water sampling unit are open pipes, marked
with water flow direction.
5.5 Data control unit
5.5.1 The data control unit can coordinate and operate the wastewater online
monitoring system; collect, store, and display monitoring data and running daily
records; upload the wastewater monitoring data to the monitoring center
platform.
6 Acceptance requirements for wastewater online monitoring equipment
6.1 Basic acceptance requirements
6.1.1 The various cables and pipes of the wastewater online monitoring
instrument shall be protected by pipes laid in the ground or erected in the air.
The cables erected in the air shall be attached to a solid bridge frame; the
cables, pipes, as well as both ends of the cables, pipes are clearly marked. The
construction of cable lines shall meet the relevant requirements of GB/T 50168.
6.2 Functional acceptance requirements
6.2.1 It has time setting, proofreading and display functions.
6.2.4 It shall be possible to set a three-level system login password and
corresponding operation authority.
6.2.7 It shall have limit alarm and alarm signal output functions.
6.2.8 It shall have the functions of receiving external trigger commands from
remote control network and starting analysis.
6.3 Performance acceptance method
7 Network acceptance requirements
7.1 Communication stability
The communication between the data control unit and the monitoring center
platform is stable; there shall be no communication problems such as frequent
communication interruption, data loss, incomplete data.
7.2 Data transmission security
In order to ensure the security of monitoring data transmission on the public
data network, the data acquisition and transmission instrument used can follow
the encryption method as specified in HJ 212 to encrypt and process the
transmission, to guarantee the security of data transmission. One end requests
a connection and the other end shall authenticate.
7.3 Correctness of communication protocol
The communication protocol used shall fully comply with the relevant
requirements of HJ 212.
7.5 Network stability
Within a continuous month, the system can run stably without any other
connecting-network problems except communication stability, correctness of
communication protocols, correctness of data transmission.
7.6 Requirements for field failure simulation recovery test
During the on-site acceptance of the automatic wastewater online continuous
monitoring system, artificially simulate the failures such as on-site power failure,
water and gas outages.
7.7 Measurement frequency and measurement result report
It can automatically generate daily statistics, monthly statistics and annual
statistics according to the requirements. For the report format, refer to Appendix
C of HJ 353-2019.
8 Acceptance requirements for operation and maintenance program
8.1 The operation and maintenance program shall include a description of the
wastewater online monitoring system, operation and maintenance work
instructions and record forms; form a written document for effective
management.
8.3 The contents of the operation and maintenance instructions shall include at
least the following.
8.4 The record form shall meet the setting requirements in the operation and
maintenance work instructions.
9 Requirements for preparation of acceptance report
9.1 For the format of the acceptance report, see Appendix A.
9.2 For the comparison monitoring report format, see Appendix B.
9.3 The acceptance report shall be accompanied by an acceptance comparison
monitoring report, a network certification, an installation and commissioning
report.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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