HJ 2038-2014 (HJ2038-2014) & related versions
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Technical specification for management of municipal wastewater treatment plant operation
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HJ 2038-2014: PDF in English
HJ 2038-2014
Technical specification for management of municipal wastewater treatment plant operation
National Environmental Protection Standard of the People's Republic
Technical specification for operation supervision and management of urban sewage treatment plants
Technical specification for management of municipal
Wastewater treatment plant operation
Published on.2014-06-10
2014-09-01 Implementation
Ministry of Environmental Protection released
Content
Preface II
1 Scope 1
2 Normative references 1
3 Terms and Definitions..1
4 General requirements 2
5 Operation requirements for sewage treatment. 2
6 Operation requirements for sludge treatment and disposal..5
7 Odor gas treatment operation requirements..6
8 Control requirements for environmental noise at the boundary of the plant..6
9 Equipment operation management requirements.7
10 Central control system operation requirements 7
11 Information Recording and Management.8
12 Sewage Plant Facility Performance Assessment 10
Appendix A (informative appendix) reference calculation method for water quantity and sludge volume of urban sewage treatment plant.13
Appendix B (informative appendix) requirements for the display of indicators in the central control system of urban sewage treatment plants..15
Foreword
In order to implement the Law of the People's Republic of China on Water Pollution Prevention and Control, prevent and control water pollution, and strengthen the operation of urban sewage treatment plants.
The management of the line ensures that the urban sewage treatment plant is stable and meets the standards, and this standard is formulated.
This standard specifies the technical requirements for the operation and management of urban sewage treatment plants.
This standard is a guiding standard.
This standard is the first release.
This standard was formulated by the Science and Technology Standards Department of the Ministry of Environmental Protection.
This standard is mainly drafted by. Tianjin Environmental Protection Research Institute (China Environmental Protection Industry Association Water Pollution Control)
Committee), Tianjin Entrepreneurship Environmental Protection Group Co., Ltd., Guangzhou Datansha Wastewater Treatment Plant.
This standard was approved by the Ministry of Environmental Protection on June 10,.2014.
This standard has been implemented since September 1,.2014.
This standard is explained by the Ministry of Environmental Protection.
Technical specification for operation supervision and management of urban sewage treatment plants
1 Scope of application
This standard specifies the technical requirements for the operation and management of urban sewage treatment plants and the performance evaluation of operational effects.
This standard applies to the operation management and supervision of urban sewage treatment plants.
2 Normative references
The contents of this standard refer to the terms in the following documents. For undated references, the valid version applies to this
standard.
GB 12348 Environmental noise emission standards for industrial enterprises
GB 15562.1 Environmental protection graphic mark discharge port (source)
GB 18918 Pollutant discharge standard for urban sewage treatment plants
CJJ 60 Urban Wastewater Treatment Plant Operation, Maintenance and Safety Technical Regulations
HJ/T 212 pollution source online automatic monitoring (monitoring) system data transmission standard
Technical specification for operation and assessment of HJ/T 355 water pollution source online monitoring system
HJ/T 372 water quality automatic sampler technical requirements and testing methods
HJ 576 Anaerobic-anoxic-aerobic activated sludge process wastewater treatment engineering technical specification
HJ 577 Sequencing Batch Activated Sludge Wastewater Treatment Engineering Technical Specification
HJ 578 Oxidation Ditch Activated Sludge Wastewater Treatment Engineering Technical Specification
HJ 579 Membrane Separation Wastewater Treatment Engineering Technical Specification
HJ .2006 Technical Specifications for Sewage Coagulation and Flocculation Treatment Engineering
HJ .2008 sewage filtration treatment engineering technical specification
HJ .2009 Biological Contact Oxidation Wastewater Treatment Engineering Technical Specification
HJ .2010 Membrane Biological Wastewater Treatment Engineering Technical Specification
HJ .2014 Biological Filter Method Wastewater Treatment Engineering Technical Specification
Notice on Strengthening the Prevention and Control of Sludge Pollution in Urban Sewage Treatment Plants (Environment Office [2010] No. 157)
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1 municipal wastewater treatment plant
Refers to the urban environmental protection infrastructure for the purification of sewage entering the urban sewage collection system.
3.2 Operation management operation and management
Refers to the production activities of sewage treatment in urban sewage treatment plants and operation and maintenance of their facilities.
3.3 The moisture content of sludge
The mass of water contained in the sludge is a percentage of the total mass of the sludge.
3.4 sludge treatment rate
Refers to the mass of sludge treated by concentration, dehydration, etc. as a percentage of the total mass produced by the sludge.
3.5 sludge transfer order system regulations on sludge transportation record
Refers to the special control degree of the sludge transfer behavior of the sewage plant and its related responsible persons in order to prevent secondary pollution,
When requesting sludge transfer, transportation and receiving, follow the uniform format, conditions and requirements, and report the “sludge transfer joint order” and press
Procedures and deadlines are retained and available for future reference.
3.6 Facilities installations
Refers to the machinery, equipment and equipment provided by the urban sewage treatment plant to achieve pollution control such as sewage, sludge and odor.
A general term for buildings and structures.
4 General requirements
4.1 General provisions
The operation or operation of a municipal sewage treatment plant (referred to as a sewage treatment plant) shall, in addition to complying with the requirements of the provisions of this standard,
It should also comply with the relevant provisions of the “Technical Regulations for the Operation, Maintenance and Safety of Municipal Wastewater Treatment Plants” (CJJ 60).
The barrier sewage plant continued to operate and stabilized.
4.2 Operation Management Requirements
4.2.1 All operational management personnel should have qualified operational management skills, and the number of operational management personnel should meet the sewage plant operation.
Line management needs;
4.2.2 The sewage treatment plant shall be equipped with a special laboratory with the ability to detect pollutants and monitor the whole process, and implement the full implementation according to relevant regulations.
Process detection; should develop test and analysis quality control standards, improve the reliability of monitoring data, regular verification and verification of laboratory measurement
device;
4.2.3 The sewage treatment plant shall have complete facilities, equipment and technical measures for fire prevention, explosion prevention and emergency prevention, and formulate unexpected events.
Therefore, the environmental emergency plan, strict implementation of environmental protection laws and regulations;
4.2.4 The sewage treatment plant should be combined with the actual sound operation management system to prepare the “Sewage Treatment Operation Management Manual” to establish post responsibility.
Regulations, operation inspection, safety production, equipment maintenance, personnel assessment training, information recording and file management
degree.
4.3 Identification requirements
4.3.1 The wastewater treatment plant shall clearly mark its facilities. Including. water inlet, water outlet (discharge), water pollutant detection
Structures, sewage treatment, sludge treatment, and odor treatment of exhaust gas, all operating equipment, various types of pipelines and cables,
And at the main process nodes.
4.3.2 Warning signs should be set up in potential failures, falling water, suffocation, poisoning, electric shock, fire, wheezing, and infection.
5 Operation requirements for sewage treatment
5.1 Operation requirements of the inlet pump house
5.1.1 Pump operation and metering of influent water volume
a) The sewage plant shall operate the sewage lifting pump according to the design requirements or the actual water intake, and shall not stop or reduce the running platform without authorization.
Number to collect and process all sewage to achieve full capacity operation;
b) The sewage treatment plant shall be equipped with a metering device for measuring the amount of influent water in the sewage to realize real-time measurement and count the days, months and years.
The quantity is in accordance with the CJJ 60 standard;
c) The sewage treatment plant shall maintain and maintain the water metering device, maintain normal and stable operation, and have regular
Qualified quality inspection department to verify.
5.1.2 Influent water quality testing
a) The wastewater treatment plant shall install a continuous sampling device and water quality at the inlet according to the provisions of HJ/T 372 and HJ/T 355.
Online continuous monitoring device;
b) The sewage plant shall check the influent water quality according to the pollution index and sampling test frequency specified in GB 18918.
5.1.3 Control requirements for abnormal water quality operation
When the amount of influent water or water quality is abnormal and affects the stable discharge, the operating unit or operating enterprise shall adopt
Effective control measures, timely adjustment of sewage treatment operating parameters to prevent operational accidents.
5.2 Operation requirements of the biological reaction tank
5.2.1 General requirements
a) According to the setting and operation mode of the bioreactor series pool group, adjust the water inflow of each pool and evenly distribute water.
And maintain uniform aeration, pushing and stirring;
b) Adjust and control the reaction according to the effluent water quality requirements of the bioreactor and the operating conditions of different process flows
Process parameters such as water inflow, gas-water ratio, dissolved oxygen (DO) and redox potential (ORP);
c) Ensure submersible mixers, submersible propellers, blowers and aerators or aerators, return sludge pumps, residual fouling
The key equipment for sewage treatment such as mud pump, scraper suction machine, membrane separation device and high pressure pump keeps normal operation according to process design requirements;
d) Each pool surface shall be free of scum, the wall of the pool shall be free of deposits, and there shall be no foam and scum overflow on the platform.
5.2.2 Operation requirements of activated sludge reaction tank
a) The dissolved oxygen in the bioreactor should be effective according to the operation requirements of different activated sludge wastewater treatment processes.
control;
b) Activated sludge reaction tank should control sludge load, sludge settling ratio, mixed liquid suspended solids according to process design requirements
Degree (MLSS) and mixed liquor volatile suspended solids concentration (MLVSS), sludge reflux ratio and other operating parameters, and according to water
Adjust operating parameters such as quality of water, changes in operating conditions and environmental impact;
c) The operating parameters of the bioreactors of different activated sludge processes should be controlled in accordance with HJ 576, HJ 577, HJ 578, etc.
Should be in accordance with the provisions of engineering technical specifications.
5.2.3 Operation requirements of biofilm reactor
a) The biofilm reaction tank should focus on controlling the influent water quantity and water quality, so that the hydraulic load and the organic load can be matched to maintain the health.
Film activity and biofilm thickness;
b) The biofilm reaction tank should control the dissolved oxygen concentration in the tank according to the process design requirements, so as to achieve anaerobic and anoxic, respectively.
Operating conditions such as aerobics;
c) The biofilm reaction tank shall control the hydraulic retention time, organic load, hydraulic load and turntable according to the process design requirements.
Operating parameters such as speed (biological turntable process), filter bed (BAF process) backwash cycle and backwash water volume;
d) The operation parameters control of the biofilm reaction tank should conform to the corresponding engineering technologies such as HJ .2009, HJ .2010, HJ .2014, etc.
Normative provisions.
5.3 Operation requirements for the deep processing process
5.3.1 The coagulation reaction tank shall control the flow rate, water level and hydraulic retention time according to the process design requirements and operating conditions, and operate
Parameter control shall comply with the relevant provisions of HJ .2006.
5.3.2 The filter tank should be backwashed according to the head loss or filtration time. The operation parameter control should be in accordance with HJ .2008.
Relevant regulations.
5.3.3 The membrane separation device shall be automatically and chemically cleaned or physically cleaned periodically according to the process design requirements to keep it stable.
Operational parameter control shall comply with the relevant provisions of HJ 579.
5.3.4 When the clear water tank is running, the upper and lower limits of the operating water level shall be set, and the water level operation automatic control device shall be installed.
Set up disinfection equipment and water quality test water intake.
5.3.5 The clean water tank should prevent the stored clean water from being polluted, the top of the pool should be sealed, and the specified residual chlorine concentration should be maintained after sterilization.
Water quality testing should be carried out every day.
5.4 Operation control requirements for discharge ports
5.4.1 Basic requirements
a) The discharge port of the sewage plant shall be standardized, and the environmental protection graphic sign of the discharge port shall comply with the relevant provisions of GB 15562.1;
b) The discharge port shall be equipped with an on-line continuous monitoring device for the effluent from the sewage plant, and comply with the relevant requirements of HJ/T 355.
Recording and saving;
c) The operating unit shall establish a discharge port maintenance management system, equipped with professional and technical personnel for maintenance and management, and guarantee facilities.
Normal operation, complete and true operation records;
d) The wastewater plant shall collect and treat the waste liquid generated by the online continuous monitoring device to prevent environmental pollution.
5.4.2 Requirements for water quality testing
a) The water quality automatic sampler installed and operated at the discharge port shall comply with the relevant provisions of HJ/T 372;
b) The wastewater treatment plant shall conduct sampling and water quality testing of the effluent from the wastewater treatment plant in accordance with the provisions of GB 18918.
5.5 Operational records and statistics
5.5.1 The wastewater treatment plant shall record the real-time operation according to the operation and management regulations. The contents of the record shall include.
a) Water metering data of influent and effluent, operating parameters of sewage pump, and valve opening status of sewage surpassing pipe
Wait;
b) Operation of the reaction tank and sludge return pump, and the amount of influent water, return sludge, gas supply, sludge discharge,
Water temperature, dissolved oxygen, mixture settlement ratio, mixed liquid suspended solids concentration (MLSS) and mixed liquid volatile solids
Data such as MLVSS.
5.5.2 The sewage plant shall calculate the electricity consumption of the whole plant (the statistical average of the month and the year), and analyze the power consumption and sewage treatment volume (month,
The degree of compliance with the statistical value of the year.
5.5.3 The wastewater treatment plant shall detect and record the water quality indicators of the influent and effluent according to the regulations, including. chemical oxygen demand (COD), five
Daily Biochemical Oxygen Demand (BOD5), Suspended Matter (SS), pH, Ammonia Nitrogen (in N), Total Nitrogen (in N), Total Phosphorus (P
Count) and fecal coliforms.
6 Operation requirements for sludge treatment and disposal
6.1 Basic requirements
6.1.1 The sludge treatment and disposal facilities shall be planned, synchronized and operated simultaneously with the sewage treatment facilities.
6.1.2 The sewage treatment plant shall collect all the sludge generated from the sewage treatment and implement effective treatment for stabilization, volume reduction and reduction.
6.1.3 The sewage treatment plant shall strengthen the operation of all aspects of sludge treatment (collection, storage, concentration, regulation, dehydration and outbound transportation, etc.)
During the management and treatment, secondary pollution should be prevented, and the produced clear liquid, filtrate and rinse water should be treated.
6.1.4 The sewage treatment plant shall maintain continuous and stable operation of the sludge treatment facilities, and the generated sludge shall be treated and removed in time, and the sewage shall be recorded.
The output volume or quality of the mud is counted, and the total amount of sludge is ex-factory.
6.1.5 The moisture content, transshipment requirements and whereabouts of the external sludge should be in accordance with the “Improving the prevention and control of sludge pollution in urban sewage treatment plants”
Notice of Work (Circular [2010] No. 157).
6.1.5 Units engaged in sludge transportation shall obtain the permission of the relevant government departments, and shall adopt qualified special closed containers to prevent them.
Stop the sludge from spilling and spreading.
6.2 Control of sludge volume
6.2.1 Encourage the use of advanced wastewater treatment processes to reduce sludge production and achieve source and process emission reductions.
6.2.2 All types of sludge (including grid slag, grit, primary sludge and excess sludge in the secondary sedimentation tank) produced by the sewage treatment plant should be reduced.
Handling of volume reduction.
6.2.3 The total amount of sludge produced in quarters should be consistent with the total amount of sludge treated.
6.2.4 The theoretical production of sewage sludge can be estimated by referring to the empirical formula in Appendix A.
6.3 Operation requirements for sludge treatment facilities
6.3.1 Stabilization, concentration, conditioning, dehydration and other devices for sludge treatment should maintain normal operating conditions to ensure treatment and operation.
It is stable and must not be shut down for no reason or overloaded.
6.3.2 During the sludge treatment process, the consumption of the medicament should be controlled and the operation of the dosing device should be kept accurate.
6.4 Detection of external sludge
6.4.1 The sewage treatment plant shall inspect the pollution control indicators of each batch (car) of dewatered sludge for transportation, and comply with GB 18918
Related requirements.
6.4.2 Strictly control the moisture content of the dewatered sludge and the reliability of the water content detection operation to meet the ex-factory transportation standard.
6.5 Sludge disposal route
The final disposal of sewage sludge should meet the relevant requirements of GB 18918.
7 Operation requirements for malodorous gas treatment
7.1 Basic requirements
7.1.1 The odor pollution control facilities shall comply with the environmental protection requirements of the plant boundary proposed by the environmental impact assessment of the construction plant, and shall be related to sewage,
The sludge treatment facilities will be constructed synchronously and in the same period.
7.1.2 The sewage treatment plant shall ensure that the gas discharged from the deodorization device is stable and up to standard discharge.
7.1.3 The odor concentration of the boundary environment shall comply with the highest limit of exhaust gas pollutants at the boundary of the plant (protective belt edge) as stipulated in GB 18918.
Permissible concentrations, or local standards.
7.2 Operation requirements for malodorous gas treatment processes
7.2.1 Operation requirements for odor collection and delivery systems
a) Fans and gas collecting hoods, gas gathering and gas pipelines and other equipment shall be inspected and maintained as required;
b) The gas delivery pipeline should be kept in a closed state, and the pipeline pressure drop should be recorded;
c) The condensate in the gas collection pipeline and the gas transmission pipeline should be discharged once per shift, and the over-flow air volume of the pipeline should meet the design requirements.
7.2.2 Operation requirements for biological trickling (biofilter) deodorization process
a) The biological filter bed shall detect the flow rate of the malodorous gas and the concentration of the pollutants on time, as well as the temperature and humidity of the treatment device,
Operating parameters such as pressure and pH;
b) The biological filter bed should maintain a suitable humidity, when the biofilm is released, the expansion, the biological filter bed is knotted, and the soil bed is out.
If there is a short-flow fault such as a hole, the cause should be identified in time, effective measures should be taken to eliminate it, and the inspection should be recorded.
7.2.3 Operation requirements for chemical oxidation deodorization process
a) The dosage should be adjusted in time according to the odor pollution load;
b) The packing should be cleaned or replaced in time according to the pressure drop of the packed tower;
c) The operating parameters such as pH, odor concentration, flow rate, temperature and pressure should be controlled during system operation.
7.2.4 Operation requirements of deodorization process by activated carbon adsorption
a) Operating parameters such as hydrogen sulfide, odor flow, concentration, temperature, humidity, pressure, and pH should be controlled during operation;
b) When the system's gas flow rate and pressure indicators are outside the rated range and determined to be saturated, it should be replaced in time.
Carbon (adsorbent);
c) The saturated adsorbent material should be desorbed and regenerated, and the adsorbent material should be disposed of harmlessly when it is discarded.
7.2.5 Operation requirements of the deodorization process in the whole process of the sewage plant
a) The operation of the bio-filler and the deodorization effect should be observed regularly;
b) The activated sludge dosing pump and sludge conveying pipeline should be inspected and maintained regularly;
c) The gas supply system of the microbial incubator should be inspected regularly to ensure gas supply;
d) The dosage of activated sludge should be adjusted according to the influent water quality and water quantity, as well as the odor intensity.
8 Control requirements for environmental noise at the boundary of the plant
8.1 The noise and vibration pollution control facilities and equipment of the sewage treatment plant shall be constructed synchronously with the sewage and sludge treatment facilities and operated at the same time.
8.2 The wastewater treatment plant shall take measures to control the noise vibration emitted by the main equipment and control the environmental noise at the boundary of the plant to not form pollution.
8.3 Vibration and noise reduction measures of sewage treatment plants, vibration and noise reduction effects of facilities and equipment, and environmental noise control effects shall be in line with the construction of the plant
The requirements of the approval document for the impact assessment.
8.4 The wastewater treatment plant shall regularly detect and record the environmental noise at the boundary of the plant and comply with the relevant requirements of GB 12348.
9 Equipment operation management requirements
9.1 The wastewater treatment plant shall establish a complete equipment account and file, and the equipment account shall be established simultaneously from the handover of the equipment, inclu......
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| Standard ID | HJ 2038-2014 (HJ2038-2014) | | Description (Translated English) | Technical specification for management of municipal wastewater treatment plant operation | | Sector / Industry | Environmental Protection Industry Standard | | Classification of Chinese Standard | P53 | | Classification of International Standard | 13.060.30 | | Word Count Estimation | 18,154 | | Date of Issue | 2014/6/10 | | Date of Implementation | 2014/9/1 | | Quoted Standard | GB 12348; GB 15562.1; GB 18918; CJJ 60; HJ/T 212; HJ/T 355; HJ/T 372; HJ 576; HJ 577; HJ 578; HJ 579; HJ 2006; HJ 2008; HJ 2009; HJ 2010; HJ 2014 | | Drafting Organization | Tianjin Academy of Environmental Sciences (China Environmental Protection Industry Association of Water Pollution Control Commission) | | Administrative Organization | ?Ministry of Environmental Protection Science, Technology | | Regulation (derived from) | Ministry of Environmental Protection Notice No. 42 of 2014 | | Issuing agency(ies) | Ministry of Environmental Protection | | Summary | This standard specifies the technical requirements for performance evaluation and operational effects of urban sewage treatment plant operation and management. This standard applies to municipal wastewater treatment plant operation and management and supe |
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