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HJ 2048-2015

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Detail Information of HJ 2048-2015; HJ2048-2015
Description (Translated English): Technical specifications for soft drink production wastewater treatment
Sector / Industry: Environmental Protection Industry Standard
Word Count Estimation: 20,235
Date of Issue: 2015-11-20
Date of Implementation: 2016-01-01
Regulation (derived from): Ministry of Environment Announcement 2015 No.74

HJ 2048-2015
Technical specifications for soft drink production wastewater treatment
National Environmental Protection Standard of the People 's Republic of China
Technical specification for wastewater treatment of beverage manufacturing
2015-11-20 release
2016-1-1 implementation
Ministry of Environmental Protection released
Directory
Preface 1
1 Scope of application
2 normative reference documents
3 Terms and Definitions
4 Wastewater water and water quality
5 General requirements
6 process design
7 Major process equipment and materials
8 Detection and Process Control 16
Major auxiliary works
10 Labor safety and occupational health.19
Construction and Acceptance
12 Operation and maintenance 21
Preface
In order to implement the Environmental Protection Law of the People's Republic of China and the Law of the People's Republic of China on the Prevention and Control of Water Pollution,
Management of the construction and operation of the management, prevention and control of environmental pollution, environmental protection and human health, the development of this standard.
This standard specifies the technical requirements for the design, construction, acceptance and maintenance of beverage manufacturing wastewater treatment engineering.
This standard is a guiding standard.
This standard is the first release.
This standard is organized by the Ministry of Environmental Protection Science and Technology Standards Division.
The main drafting of this standard. Jinan City Environmental Protection Planning and Design Institute, Shandong Province Environmental Protection Science Research and Design Institute.
The Environmental Protection Department of this standard approves on November 20,.2015.
This standard has been implemented since January 1,.2016.
This standard is explained by the Ministry of Environmental Protection.
Technical specification for wastewater treatment of beverage manufacturing
1 Scope of application
This standard specifies the technical requirements for the design, construction, acceptance, operation and maintenance of the beverage waste treatment project.
This standard applies to the beverage manufacturing wastewater treatment project, as environmental impact assessment, feasibility study, design, construction,
Installation, commissioning, acceptance, operation and maintenance management of the technical basis.
2 normative reference documents
The contents of this standard refer to the terms of the following documents. For those who do not specify a date, the valid version applies to this
standard.
GB 3096 "Acoustic Environmental Quality Standard"
GB 4284 "Pollutant Control Standard for Agricultural Sludge"
GB 7251 "low-voltage switchgear and control equipment"
GB 8978 "Integrated Wastewater Discharge Standard"
GB 10789 "Beverage General"
GB 12348 "Industrial enterprises boundary environmental noise emission standards"
GB 12523 "Environmental noise emission standards for construction sites"
GB/T 12801 "production process safety and health requirements of the General Regulations"
GB 14554 "Odor Pollutant Discharge Standard"
GB 15562.1 "Environmental protection graphic mark - discharge port (source)"
GB 18484 "Hazardous Waste Incineration Pollution Control Standard"
GB 18597 "Hazardous Waste Storage Pollution Control Standard"
GB 18598 "Hazardous Waste Landfill Pollution Control Standard"
GB 18599 "General industrial solid waste storage, disposal site pollution control standards"
GB/T 18920 "Urban Wastewater Recycling Urban Miscellaneous Water Quality"
GB/T 19837 "urban water supply and drainage UV disinfection equipment"
GB 50009 "Building Structure Load Specifications"
GB 50014 "Outdoor Drainage Design Code"
GB 50015 "Building water supply and drainage design specifications"
GB 50016 Code for Fire Protection in Building Design
GB 50019 "Heating Ventilation and Air Conditioning Design Code"
GB/T 50033 "architectural lighting design standards"
GB 50034 "architectural lighting design standards"
GB 50037 "Building Ground Design Code"
GB 50046 "Code for Design of Corrosion Protection for Industrial Buildings"
GB 50052 "Design for Power Distribution System"
GB 50053 "10KV and below substation design specifications"
GB 50054 "Low Voltage Distribution Design Code"
GB 50055 "General Electric Equipment Power Distribution Design Code"
GB 50057 "Building lightning protection design specifications"
GB 50069 "Water supply and drainage engineering structure design specifications"
GB 50093 "automatic instrument engineering construction and acceptance of norms"
GB 50108 "Underground Engineering Waterproof Technical Specification"
GB 50141 "Water supply and drainage structure construction and acceptance of norms"
GB 50168 "electrical installation of cable engineering construction and acceptance of norms"
GB 50169 "Electrical installation installation grounding device construction and acceptance of norms"
GB 50187 "General Layout Design for Industrial Enterprises"
GB 50204 "concrete structure construction quality acceptance"
GB 50208 "Underground waterproofing project quality acceptance"
GB 50222 "Building interior decoration design fire safety norms"
GB 50231 "General specification for construction and acceptance of mechanical equipment installation works"
GB 50236 "field equipment, industrial pipeline welding construction specifications"
GB 50243 "ventilation and air conditioning construction quality acceptance norms"
GB 50254 "electrical installation installation of low-voltage electrical construction and acceptance of norms"
GB 50257 "Electrical installation installation works explosion and fire hazard environment electrical installation and acceptance of norms"
GB 50268 "water supply and sewer pipeline construction and acceptance of norms"
GB 50275 "fan, compressor, pump installation engineering construction and acceptance of norms"
GB 50334 "urban sewage treatment plant engineering quality acceptance"
GB/T 50335 "Code for design of wastewater reuse project"
GB J141 "Code for construction and acceptance of water supply and drainage structures"
GB J 22 "Code for Design of Mine Roads"
GB J 87 "Noise Control Design Code for Industrial Enterprises"
GB Z 1 "Industrial enterprise design health standards"
GB Z 2 "Workplace Hazardous Occupational Exposure Limits"
CECS 97 "Blasting Aeration System Design Code"
CECS 162 "Water supply and drainage instrument automation control engineering construction and acceptance procedures"
CJJ 60 "Technical Regulations for Operation, Maintenance and Safety of Urban Wastewater Treatment Plants"
CJ/T 388 "General technical conditions for decanter for water supply and drainage"
HJ/T 15 "Environmental protection products technical requirements Ultrasonic open channel sewage flow meter"
HJ/T 91 "Technical specifications for surface water and wastewater monitoring"
HJ/T 92 "Technical Specifications for Monitoring Total Water Pollutants"
HJ/T 96 "pH water quality automatic analyzer technical requirements"
HJ/T 101 "ammonia nitrogen water quality automatic analyzer technical requirements"
HJ/T 242 "Technical requirements for environmental protection products Belt presses for sludge dewatering"
HJ/T 245 "Technical requirements for environmental protection products Suspension packing"
HJ/T 246 "Environmental Protection Products Technical Requirements Suspension Filler"
HJ/T 247 "Environmental protection product technical requirements Vertical axis mechanical surface aeration device"
HJ/T 250 "environmental protection products technical requirements rotary fine grille"
HJ/T 251 "Environmental protection products technical requirements Roots blower"
HJ/T 252 "environmental protection products in the technical requirements, microporous aerator"
HJ/T 261 "Technical requirements for environmental protection products Pressure dissolved air flotation device"
HJ/T 262 "Technical Requirements for Environmental Protection Products Grid Cleaner"
HJ/T 263 "Environmental Protection Products Technical Requirements Jet Aeration"
HJ/T 265 "Environmental protection products technical requirements scraper"
HJ/T 266 "Environmental protection products technical requirements suction machine"
HJ/T 272 "Environmental protection products Technical requirements Chemical method Chlorine dioxide disinfectant generator"
HJ/T 277 "Environmental protection products technical requirements Rotary Decanter"
HJ/T 278 "environmental protection products technical requirements single-stage high-speed aeration centrifugal blower"
HJ/T 279 "Environmental protection products technical requirements push-flow diving mixer"
HJ/T 281 "environmental protection products technical requirements diffuse aerator"
HJ/T 282 "Environmental protection products technical requirements shallow pool flotation device"
HJ/T 283 "Environmental protection products technical requirements Van filter press and plate and frame filter press"
HJ/T 335 "environmental protection products technical requirements sludge concentration belt dehydration machine"
HJ/T 336 "environmental protection products technical requirements submersible sewage pump"
HJ/T 337 "Environmental protection products technical requirements Biological contact oxidation complete sets of devices"
HJ/T 354 "Water pollution source on-line monitoring system acceptance technical specifications (Trial)"
HJ/T 369 "Technical requirements for environmental protection products Dosing device for water treatment"
HJ/T 377 "environmental protection products technical requirements chemical oxygen demand (CODcr) water quality on-line automatic monitoring instrument"
HJ .2007 "Technical specification for sewage flotation treatment engineering"
HJ .2009 "Biological contact oxidation process sewage treatment engineering technical specifications"
HJ .2013 "upflow anaerobic sludge bed reactor sewage treatment engineering technical specifications"
HJ .2015 "Water Pollution Control Engineering Technical Guidelines"
NY/T 1220.1 "Biogas Engineering Technical Specification Part 1. Process Design"
NY/T 1220.2 "Biogas Engineering Technical Specification Part 2. Gas Supply Design"
Regulations on the Safety Management of Dangerous Chemicals (Decree No. 591 of the State Council of the People's Republic of China)
"Construction project (project) completion and acceptance method" (National Planning Commission Construction [1990] No. 1215)
"Standardization of sewage outfall technical requirements (Trial)" (State Environmental Protection Agency Environmental Monitoring [1996] No. 470)
Measures for the Administration of Acceptance of Environmental Protection for Completion of Construction Projects (State Environmental Protection Administration Decree No. 13)
"Administrative Measures for Automatic Monitoring of Pollution Sources" (State Environmental Protection Administration Decree No. 28)
3 terms and definitions
The terms in the General Principles of Beverages (GB 10789) and the following terms and definitions apply to this standard.
3.1 beverage
After the quantitative packaging, for direct drinking or water to drink, the ethanol content does not exceed the mass fraction of 0.5% of the system
Goods, not including drinking drugs.
Integrated wastewater
Refers to the process of beverage manufacturing process waste water, cleaning wastewater and sewage generated by enterprises.
3.3 process wastewater
Refers to the process of beverage manufacturing process of the wastewater generated by the unit.
Cleaning wastewater
Refers to the cleaning of beverage packaging containers, production equipment and pipelines, production plant waste generated.
Water
Refers to the enterprise canteen, bathroom, bathroom and other sewage generated.
3.6 pretreatment pretreatment
Refers to a separate treatment prior to treatment, in order to achieve integrated wastewater treatment process water load or minimum water quality requirements and a separate
deal with.
Primary treatment
Refers to the precipitation, air floatation and other solid-liquid separation measures as the main body of the primary purification process to reduce the follow-up treatment process load.
3.8 secondary treatment secondary treatment
Refers to the subsequent treatment of waste water treatment process, the main use of structures or specific environment of the biological (mainly micro
Biological) to remove dissolved or suspended organic matter in water.
3.9 Advanced treatment advanced treatment
Refers to the waste water by a level, two treatment, in order to achieve the corresponding standard requirements and further take the waste water purification
Process
Water and Water Quality
4.1 Wastewater water
4.1.1 The amount of integrated waste water can be calculated as follows
QY = ΣNiαi = βQ (1)
Where.
QY - Integrated waste water (m
/ D);
Q - enterprise water consumption (m3/d), according to the production and living water quota to determine;
Ni - daily output of various products (t/d);
Αi - the amount of wastewater generated by various types of products (m
/ T), according to Table 1 value;
Β - according to the enterprise water consumption calculation of comprehensive waste water reduction coefficient, should be based on production technology and water supply and drainage facilities
Equality factors to determine, generally take 80% to 90%.
4.1.2 Maximum day when the maximum amount of waste water is equal to the maximum daily average waste water (integrated wastewater) and the coefficient of variation of the product, change
The coefficient should be determined according to the production and waste discharge.
Q max = kQY/24 ‥ (2)
Where.
Q max - the maximum daily maximum waste water (m
/ H);
QY - Integrated waste water (m
/ D);
K - change coefficient.
4.2 Wastewater quality
4.2.1 The method of on-site sampling shall be taken to determine the quality of the wastewater, including.
A) integrated wastewater quality can be based on the production process of wastewater discharge of water quality sampling results, determined by weighting;
It can also be determined according to the water quality test results of the total discharge of wastewater.
B) Water quality sampling shall comply with the requirements of HJ/T 91.
C) The new enterprise's wastewater treatment project can be compared with the existing production scale and the same kind of production technology enterprise water quality situation
To determine the quality of wastewater.
D) No test and analog data, the wastewater quality can refer to the data in Table 1 value.
Table 1 Beverage Manufacturing Integrated Wastewater Quality
Types of Beverage Major Wastewater Generation
Wastewater in the concentration of various pollutants in the unit product
Wastewater generation
Volume (m3/t)
CODcr
(Mg/L)
BOD5
(Mg/L)
NH3-N
(Mg/L)
Carbonated drinks
(Soft drinks)
Filling the bottle of water, flushing water, broken bottles
Drink and syrup tank flushing water as well as equipment
And ground flushing water.
650 to 3000 320 to 1800 4 to 30 1.0 to 2.5
Juice and juice
vegetable juice
Raw material pretreatment, beating, juice and dip
Mention, enrichment, sterilization; all kinds of production containers,
Equipment and ground flushing water; some middle
Product excretion and filling workshop leakage
Part of the product; factory sewage.
1700 ~ 3700 1200 ~ 2900 5 ~ 25 5 ~ 26
3 protein drink
Container, pipe, equipment, processing surface
Cleaning wastewater, production workshop, field
Cleaning and worker hygiene
Raw waste water, lost in production
Dairy products.
900 to.2000.200 to 1300 10 to 80 2 to 5
Container, pipe, equipment, processing surface
Cleaning wastewater, production workshop, field
Cleaning and worker hygiene
Raw waste water, lost in production
plant protein.
4 packaged drinking water
Workshop, equipment, industrial equipment console cleaning
And disinfection of waste water, workers hygiene water
The resulting waste water.
<30 - - 6 ~ 15
5 tea beverage equipment, pipe internal cleaning and raw water filtration
The resulting concentrated water.
600 to 2500 300 to 1400 5 to 35 0.5 to 5
6 Coffee Drinks 600 ~ 2500 300 ~ 1400 6 ~ 38 0.5 ~ 6
7 plant drinks
Equipment, pipeline internal cleaning, raw water filtration
Produce concentrated water and raw material pretreatment wastewater.
800 ~ 2200 - 5 ~ 30 2 ~ 5
8 flavor drinks
Equipment, piping internal cleaning and raw water filtration
The resulting concentrated water.
800 ~ 1700 - 5 ~ 35 2 ~ 11
Special purpose drink
Equipment, piping internal cleaning and raw water filtration
The resulting concentrated water.
700 ~.2000 - 6 ~ 35 1 ~ 10
10 solid beverages
Equipment internal cleaning, concentration process drainage and
Circulating cooling water drain.
800 to 4000 400 to 1780 10 to 40 2 to 10.5
5 General requirements
5.1 General provisions
5.1.1 beverage production enterprises should be from the production, treatment and discharge of waste water to control the whole process, the use of cleaner production technology, to mention
High resources, energy efficiency, reduce the amount of pollutants generated and emissions, do good construction (building) building anti-seepage measures, prevention
polluted environment.
5.1.2 Engineering design should refer to this standard, but also in line with the relevant national standards and technical specifications.
5.1.3 Construction should be based on the production situation and development planning as the basis, implement the national industrial policy and industry pollution prevention and control technology
Policy, co-ordination and decentralization, existing and new (expansion, change) to build the relationship.
5.1.4 A reasonable design life should be designed and should be consistent with the main building design standards.
5.1.5 The discharge of water quality shall comply with the environmental impact assessment document and the relevant emission standards.
5.1.6 Sewage treatment plant (station) during the operation of the malodorous gas emissions should be consistent with GB 14554 and other relevant environmental standards.
5.1.7 Noise discharge during the construction and operation of the sewage treatment plant (station) shall comply with GB 12523, GB 3096 and GB 12348
Of the provisions of the building facilities within the noise source control should be consistent with the relevant provisions of GB J 87.
5.1.8 Wastewater discharge port construction should be "sewage outfall standardization of technical requirements (Trial)" provisions of the implementation;
Should be implemented according to GB 15562.1; continuous monitoring of pollutant discharge equipment installation should be "pollution source automatic monitoring management approach"
carried out.
5.2 Engineering composition
5.2.1 Governance works include the main project, auxiliary engineering and operation and management facilities.
5.2.2 The main project includes. wastewater pretreatment system, primary treatment system, secondary treatment system, depth treatment system, pollution
Mud handling system.
5.2.3 Auxiliary works include. electrical automation, water supply and drainage, fire, heating and ventilation, air conditioning, inspection and process control, green
And so on.
5.2.4 operation and management facilities include. office space, analytical laboratories, maintenance workshops and so on.
5.3 Construction scale
5.3.1 The construction scale should be based on the water quality, water quality and expected changes in the enterprise; the existing enterprise wastewater treatment
Cheng should be based on measured data, new (expansion, change) to build enterprises can use analog or material accounting method.
5.3.2 Pretreatment The construction scale shall be matched with the production scale of the relevant production unit and shall be designed according to the maximum production load.
5.3.3 The construction scale of the integrated wastewater treatment project shall meet the following requirements.
A) adjust the pool before the wastewater treatment structure according to the maximum daily maximum flow design;
B) the control tank and the subsequent waste water treatment structure according to the maximum daily average flow design;
C) The sludge treatment system is designed for maximum daily average sludge volume.
5.4 Plant (station) location and total layout
5.4.1 Treatment plant (station) location and overall layout should be consistent with the overall planning of enterprises and to meet the environmental impact assessment review
Such as the requirements of the approval documents.
5.4.2 Plant (station) site selection, plane and vertical design, general map transport, pipeline synthesis and greening arrangement should be based on the composition of the project
And meet the requirements of GB 50187, GB 50014 and industry standards.
5.4.3 Treatment plant (station) The total layout should be based on the structure of the structure and processing requirements, combined with terrain, climate and
Geological conditions and other factors, determined by the technical and economic comparison.
5.4.4 The layout of each processing unit should be compact and reasonable, to meet the construction of the building, equipment installation, pipeline laying, operation
Test, maintenance management and other requirements, and should leave room for equipment replacement and upgrading, taking into account the largest equipment into and out
begging.
5.4.5 reserve the site by the size of the long-term total processing and pay attention to the convergence between the near future.
5.4.6 Process flow, the vertical design of the processing unit should make full use of the site topography, in line with the drainage smooth, reduce energy consumption, flat
Such as earthwork and other requirements.
5.4.7 Between the wastewater treatment station and the office living area should be set up green belt.
5.4.8 Storage facilities such as materials, pharmaceuticals, sludge, slag and so on shall not be stored in the open space,
Strict in accordance with GB 18597, GB 18599 standard requirements to take anti-seepage measures. Dosing agent, pharmaceutical storage room, disinfectant preparation
Should be separated from other rooms and have direct access to the outside outside the door.
6 process design
6.1 General requirements
6.1.1 Before the process design, the water quality, water quantity and the change law of the wastewater should be investigated thoroughly and the necessary points
Analysis and testing.
6.1.2 High concentration of waste water and special waste water should be based on water quality characteristics, in the workshop production site or wastewater treatment project set a level
Or multi-level pretreatment measures to ensure that its water quality to meet the biochemical treatment system requirements.
6.1.3 should be based on the characteristics of water quality of waste water, treatment of water after the whereabouts of emission standards to carry out a small test or pilot study, and can be
Reliability and economy than after the election to determine the appropriate route.
6.1.4 Process selection should be combined with the local natural conditions, taking into account the different regions, different seasons under the ambient temperature of the microbial
Influence, and targeted to take insulation or cooling and other measures.
6.1.5 engineering design should consider the production of accident emissions and other non-normal conditions of pollution prevention and control measures.
6.1.6 sludge and malodorous gas produced by the operation of the project shall be properly disposed and utilized.
6.2 beverage manufacturing wastewater treatment process portfolio
Pretreatment wastewater
Integrated wastewater grille microfilter sump pool
Air Float
First settling pool
Anaerobic treatment of aerobic treatment
sludge
Solid waste treatment
Resource utilization
Or safe disposal
Sludge dewatering sludge
Sludge sludge
Biogas
Depth processing
Discharge or discharge
Water reuse
Deep treatment of sludge treatment
Level 1 processing
Accident pool
Wastewater Treatment Aeration Recommended Processing Unit
Sludge treatment biogas optional processing unit
Figure 1 beverage manufacturing wastewater pollution control process flow chart
6.3 Technical requirements
6.3.1 Pretreatment
For wastewater that does not meet the requirements of integrated wastewater treatment systems, such as high temperature wastewater, acid and alkali wastewater, and cyanide-containing
Waste water, etc., should be pretreated.
6.3.1.1 high temperature wastewater should be pre-cooling pretreatment, the temperature dropped to below 30 ℃, before entering the integrated processing system.
6.3.1.2 acid and alkali wastewater should be acid and alkali pretreatment pretreatment, pH adjusted to 6 ~ 9 before they can enter the integrated processing system.
6.3.1.3 Cyanide-containing wastewater should be treated separately at the production facility for discharge to meet national or local standards,
Before entering the integrated processing system.
6.3.2 Primary treatment
6.3.2.1 grating
A) coarse grille and fine grille should be at least one;
B) grille should be set in the regulation of the pool before, but also with the adjustment pool design;
C) coarse grille with mechanical grille, the grid gap should be 10 ~ 20mm; the use of artificial grille, the grid gap should be
15 ~ 25mm;
D) fine grille should use a self-cleaning ability of the rotating machinery grille, grille clearance should be 2 ~ 5mm;
E) grille set in the grid wells, the inclination of not less than 60 °, the width should not be less than 0.7m, the grid before the design of the highest water level
0.5m;
F) mechanical grille should be set up to facilitate the maintenance of the lifting facilities, slag platform and railings.
6.3.2.2 Microfilters
A) in order to remove the fruit juice in the production process of waste water generated in the broken fruit chips and pectin, should be added after the grille microfiltration machine;
B) micro-filter should adopt stainless steel filter, filter gap 60 to 100 mesh, with automatic flushing function.
6.3.2.3 catchment pool
A) When the workshop drainage pipe pipe depth is large, in order to reduce the depth of the adjustment pool, easy construction, should set the pool;
B) the effective volume of the sump should not be less than the maximum working water pump 5min of water, the number of starts per hour does not exceed
Six times;
C) other technical requirements of the pool according to the relevant provisions of GB 50014 implementation.
6.3.2.4 Adjust the pool
A) adjust the effective volume of the pool should be determined in accordance with the law of production drainage, no relevant information when the effective volume should be based on hydraulic
Time 10 ~ 24h design;
B) adjust the pool should be set up mixing device, generally can be used liquid (diving) or air stirring. Using liquid (latent)
Water) stirring, the stirring power should be combined with the size of the pool to determine the general can be 5 ~ 10W/m3; use of air mixing, the required empty
Gas volume of 0.6 ~ 0.9Nm3/(h · m3);
C) The tank should be covered, should be set ventilation, exhaust and deodorant facilities, should be set overflow pipe, maintenance holes and escalators;
D) adjust the pool should be set to empty the puddle, the bottom of the design flow to the sinking pit slope, slope design should not be less than 1%;
E) The adjustment tank should be equipped with liquid level control and alarm device.
6.3.2.5 initial settling tank/air float pool
(1) initial settling tank
A) adjust the pool can be set up after the pool;
B) the hydraulic retention time of the primary settling tank should be between 0.5 ~ 2h;
C) other parameters see GB 50014 of the relevant provisions.
(2) air float pool
A) containing oil and beverage production wastewater, should adopt the air float process;
B) air flotation generally need to set coagulation (demulsification) reaction zone (device); reaction time and raw water properties, coagulant species, cast
Dosage, reaction form and other factors, usually 15 ~ 30min; waste water from the bottom of the baffle into the air contact area when the flow rate should be
Less than 0.1m/s;
C) Other design parameters for the flotation cell can be found in HJ .2007.
6.3.3 Secondary processing
6.3.3.1 Hydrolysis Acidification/Anaerobic Treatment
Aerobic treatment should be set before the hydrolysis of acidification or anaerobic treatment, anaerobic treatment can usually use upflow anaerobic sludge bed (UASB)
Or internal circulation anaerobic reactor (IC), etc., related technical requirements are as follows.
(1) Hydrolysis and acidification
A) When the influent CODcr concentration is greater than 1200mg/L and less than.2000mg/L or BOD5/CODcr smaller biodegradability,
Should be used to hydrolyze acidification process;
B) Hydrolysis acidification tank volume is usually designed according to hydraulic retention time, according to the effective volume load check, hydraulic retention time
As well as 4 ~ 10h, the volume load is 1.0 ~ 3.5kgCODcr/(m3 · d);
C) hydrolytic acidification pool effective water depth should be between 4 ~ 6m, the control temperature should be 20 ~ 30 ℃, with water and mud mixed with water
Equipment to prevent sludge settling;
D) hydrolysis of acidification pool is generally used upflow, the maximum increase in flow rate should be less than 2.0m/h;
E) hydrolysis of acidification pool can be suspended according to the actual needs of a certain biological filler, packing height is generally appropriate for the hydrolysis of acidification tank
For the selection of biological fillers, refer to HJ/T 245, HJ/T 246.
(2) UASB/IC
A) UASB reactor inlet suspended solids concentration should be controlled at 500mg/L below; IC reactor inlet suspended solids concentration
Control in the 1500mg/L below; when the water suspension is high or biodegradable, it is appropriate to set up acid pool;
B) UASB and IC reactors should be equipped with a uniform water distribution device and a three phase separator. The reactor separation zone effluent with overflow weir
Water way, weir should be set before the dross baffle;
C) can be used to improve the outer circulation UASB and IC reactor within the rising flow rate, the amount of circulation should be set according to the reactor
Surface load and biogas production is automatically adjusted;
D) should be based on the design of water flow, set up two or more than two IC reactor, the largest monomer should be less than.2000m3;
E) UASB and IC reactors should be equipped with biogas systems, biogas purification, storage technology should refer to NY/T 1220.1 and NY/T
1220.2;
F) UASB other design parameters can be found in HJ .2013.
6.3.3.2 aerobic treatment
Aerobic treatment can usually be used to contact oxidation, common activated sludge or batch-batch activated sludge (SBR) and other processes, related
The technical requirements are as follows.
A) contact oxidation process water pH should be controlled between 6 to 9, the water temperature should be controlled between 12 ~ 30 ℃, the volume load
1 ~ 2kgBOD5/(m
3 • d), other design parameters can be found in HJ .2009, HJ/T 337 and related design manual;
B) Ordinary activated sludge process sludge load is 0.15 ~ 0.3kgBOD5/kgMLVSS, the volume load is 0.2 ~ 0.6kgBOD5 /
(M3 • d), sludge reflux ratio of 0.5 to 1.0;
C) SBR process sludge load is 0.05 ~ 0.7kgBOD5/kgMLVSS, the volume load is 0.1 ~ 0.2kgBOD5/(m
3 • d);
Drainage device should adopt decanter, the operation process should adopt automatic control technology;
D) Aeration system should adopt blast aeration, mixed solution dissolved oxygen (DO) at 2mg/L or so;
E) control the system carbon/nitrogen/phosphorus (C/N/P) is 100. 5. 1, if necessary, consider adding nutrient;
F) aerobic treatment (except SBR) should be set after the secondary sedimentation tank, should use the hydrostatic pressure sludge, hydrostatic head should not be less than 1500mm,
Drainage pipe diameter should not be less than 100mm; sedimentation tank water should be set up weir, to ensure that the sedimentation tank in the water flow stability. Other settings
The parameters are shown in the following table.
Table 2 Design parameters of secondary settling tank
Secondary sink position
Precipitation time
(H)
Surface hydraulic load
[M3/(m2 · h)]
Sludge moisture content
(%)
Solid load
[Kg/(m2 · d)]
Weir load
[L/(s · m)]
After contact with oxidation method 1.5 ~ 4.0 1.0 ~ 1.5 96 ~ 98 ≤ 150 ≤ 1.7
Ordinary activated sludge method after 2.0 ~ 5.0 0.6 ~ 1.0 99.2 ~ 99.6 ≤ 150 ≤ 1.7
G) When the waste water has a denitrification requirement, an anoxic/aerobic (A/O) process with denitrification can be used.
H) other parameters see GB 50014 and other relevant standards and design manual.
6.3.4 Depth handling
A) when the need to further improve the water quality after treatment should be carried out in depth;
B) the depth of treatment should adopt a combination of biological treatment and physical and chemical treatment of the process, such as membrane treatment, aeration biofilter (BAF)
Coagulation sedimentation, filtration, disinfection and so on;
C) the specific process should be based on water quality, water, technical and economic comparison after the selection of unit technology portfolio, the technical parameters should be
Through the test to determine the test should choose more than two conditions, the scale of the test is generally about 5% of conventional water treatment, should be to
Less stable operation for more than three months;
D) After the deep treatment of the water needs to be reused when the design should refer to GB/T 50335, the water should reach GB/T 18920
Claim.
6.3.5 Sludge treatment and disposal
A) sludge, including physical and chemical precipitation sludge and biochemical sludge, mainly to the main biochemical sludge;
B) the amount of physical and chemical precipitation sludge according to the concentration of suspended solids, dosage and other calculations; biochemical sludge residue according to organic matter
Concentration, and sludge yield coefficient. The amount of excess sludge produced by different treatment processes is different
0.3 ~ 0.7kgDS/kgBOD5 design, sludge moisture content of 99.3% to 99.4%;
C) should be set up sludge thickening pool, the general use of gravity sludge concentration tank, sludge concentration time should be 16 ~ 24h design,
Concentrated sludge moisture content should not exceed 98%;
D) sludge dewatering should be dosing before conditioning, pharmaceutical types should be based on the nature of sludge and dry sludge treatment options,
Dosing is determined by testing or referring to the data of the same type of sludge dewatering;
E) sludge dewatering machine type should be based on the nature of sludge, sludge production, dehydration requirements, etc., by the technical and economic ratio
Later determined;
F) The dewatered sludge should be provided with a stacking site. The size of the sludge dump is determined by sludge production and transportation conditions. Sludge pile
Field and around should be anti-seepage, leak-proof, rain and other measures;
G) comprehensive utilization of sludge should be local conditions, agricultural should be careful, according to GB 4284 and other relevant standards, land use should be
Strictly control the toxic substances in the sludge content;
H) sludge disposal should also meet the standards of GB 18597, GB 18598, GB 18599, GB 50014 and GB 18484
Regulations.
6.3.6 Odor treatment
6.3.6.1 Odor pollution sources should be effectively controlled and meet the following technical requirements.
A) optimize the process unit design to reduce the generation and distribution of malodorous gases in wastewater collection and treatment systems;
B) regularly clean the grille, regulating pool, the initial settling tank, hydrolytic acidification pool, sludge pool and other process unit in the grid slag, scum,
Sludge and other pollutants;
C) Apply or apply chemical deodorant in real time.
6.3.6.2 Odor gases should be collected, treated and discharged and meet the following technical requirements.
A) to take closed, local isolation and negative pressure suction and other measures to focus on the collection process (grille, adjust the pool,
Sludge pond, sludge dewatering machine, etc.);
B) Sewerage, sludge dewatering, dosing, etc. should be provided with ventilation or odor collection facilities and to ensure that emissions
The requirements of the existing national standards;
6.3.6.3 should be used physical, biological, chemical deodorant and other processes to collect concentrated odor, commonly used deodorant process, including suction
Attached, ion oxidation, biological filtration and so on.
6.3.7 Accident Pool
A) the effective volume of the accident pool should be able to accept the maximum amount of wastewater discharged from the largest accident;
B) should be set up in the accident pool lift pump, the accident should be discharged into the integrated wastewater wastewater treatment system;
C) the bottom of the accident pool should be equipped with water puddles, tend to pits the slope should not be less than 0.01, the pool should be set ladder;
D) the accident pool should be set up mixing device;
E) the level of the pool should be set to control and alarm device;
F) When the regulator pool as a comprehensive wastewater accident pool, the volume calculation should consider the capacity of the accident discharge, at least 1 to 2
Days of waste water capacity.
7 Major process equipment and materials
7.1 General provisions
7.1.1 Drink manufacturing Wastewater treatment works commonly used equipment, including grille decontamination machine, pump, aeration equipment, scraping/suction machine, decanter
Water, dosing equipment, disinfection equipment, dehydration equipment.
7.1.2 key equipment and materials should be from the engineering design, tender procurement, construction and installation, operation and maintenance, commissioning and other aspects of acceptance
To strictly control, choose to meet the technical requirements, in line with the corresponding standards of products.
7.1.3 to deal with corrosion-resistant equipment, pipes and materials to take appropriate anti-corrosion measures, according to the nature of corrosion, combined with the local
The situation, according to local conditions to use economic rational, reliable and reliable anti-corrosion materials and methods, and to achieve the relevant national standards
Provisions.
7.2 Engineering configuration requirements
7.2.1 grille decontamination machine, diving propeller, surface aeration machine, decanter, etc. should be dual series or multi-series were configured.
7.2.2 Dosing equipment should be added according to the type of liquid and treatment series were configured.
7.2.3 Sewage pumps, sludge pumps, dosing pumps, blowers, etc. should be equipped with spare equipment.
7.2.4 Pumps, aeration equipment, dosing equipment, etc. should be reserved core components and vulnerable parts.
7.2.5 The selection of equipment shall ensure its function, effect and quality requirements.
7.3 Major equipment selection
7.3.1 grille decontamination machine
The grille decontamination machine shall comply with the requirements of HJ/T 262.
7.3.2 Pumps
The submersible sewage pump shall comply with the provisions of HJ/T 336. Other types of pumps should meet the requirements of national energy conservation and other aspects.
7.3.3 Aeration equipment
7.3.3.1 should be selected with high oxygen efficiency, good mixing effect, reliable quality, low resistance loss, easy installation and maintenance is not easy
Produce clogged products.
7.3.3.2 should be selected in line with national or industry standards of the product, the specific requirements are as follows.
A) Roots blower shall comply with HJ/T 251, single-stage high-speed aeration centrifugal blower shall comply with HJ/T 278 regulations
set;
B), the microporous aerator should comply with the provisions of HJ/T 252;
C) Jet aerator should comply with HJ/T 263;
D) The diffuser should comply with the requirements of HJ/T 281;
E) Vertical axis mechanical surface aeration machine should comply with the provisions of HJ/T 247;
F) Other new aerators should be based on experimental data or product certification materials.
7.3.3.3 Details of the blast aeration system can be specified in accordance with CECS 97.
7.3.4 scraping/suction machine
The scraper shall comply with the requirements of HJ/T 265 and the suction machine shall comply with the requirements of HJ/T 266.
7.3.5 Decanter
The decanter shall comply with CJ/T 388 and shall comply with the requirements of HJ/T 277 if a rotary decanter is used.
7.3.6 Dosing equipment
Dosing equipment should comply with HJ/T 369 regulations.
7.3.7 Disinfection equipment
Chlorine dioxide disinfectant generator should be consistent with the provisions of HJ/T 272, UV disinfection equipment should be consistent with GB/T 19837 regulations
set.
7.3.8 Dehydration equipment
7.3.8.1 Van filter press and plate and frame filter press shall comply with HJ/T 283.
7.3.8.2 Belt press filters shall comply with the requirements of HJ/T 242.
7.3.8.3 Concentrated belt dehydration machine shall comply with the provisions of HJ/T 335.
7.3.9 Mixer
Diving push mixer should be consistent with the provisions of HJ/T 279, other types of mixer should be consistent with national energy and other aspects of
7.3.10 Flotation device
The flotation device shall comply with the requirements of HJ/T 261 and HJ/T 282.
7.3.11 Filling
Suspended packing shall comply with the requirements of HJ/T 245 and the suspension packing shall comply with the requirements of HJ/T 246.
7.4 other equipment, materials
Other equipment and materials shall comply with national or industry standards.
7.5 anti-corrosion
Should be corrosion-resistant structures, equipment, pipelines and materials to take appropriate anti-corrosion measures, according to the nature of corrosion, knot
The local situation, according to local conditions to use economic rational, technically reliable anti-corrosion measures, and should reach the relevant national standards
Quasi-provisions, conditional enterprises should adopt corrosion-resistant materials.
7.6 Other requirements
Other specific requirements should be in accordance with HJ .2015.
8 detection and process control
8.1 Detection
8.1.1 Engineering should set up the laboratory, in accordance with the detection of the configuration of the corresponding detection equipment and equipment.
8.1.2 should be set up on-line detection device for the realization of process control and performance assessment to provide data, the detection points are located in the control list
Yuan or into, exit, sampling frequency and testing items should be determined according to process control requirements.
8.1.3 The relevant water quality parameters shall be tested according to the water treatment unit process requirements.
A) The flow rate, pH, CODcr, ammonia nitrogen, total nitrogen, SS and chroma at the inlet and outlet of the wastewater treatment project should be detected.
Standard
B) Anaerobic treatment unit should be measured within the reaction pool pH, water temperature, volatile fatty acids (VFA), alkalinity, odor factors,
As well as biogas production, composition and other indicators;
C) aerobic biochemical unit should be measured in the reaction pool pH, water temperature, dissolved oxygen (DO) and sludge concentration and other indicators;
D) depth treatment unit should be measured in the reaction pool pH, CODcr, ammonia nitrogen, total nitrogen, SS and other indicators;
E) should check the grille canal, sump, regulating pool, sludge pool and other liquid level indicators, detection dosing tube, sludge pipe, etc.
Of the flow indicators.
8.1.4 high-power mechanical and electrical equipment should be detected current, voltage, power, temperature and other working status indicators.
8.1.5 field testing instruments should have anti-corrosion, explosion-proof, anti-leakage, anti-scaling, self-cleaning and other functions.
8.1.6 Other requirements for instrument design can be found in the CECS 162 standard.
8.1.7 Monitoring equipment shall be in accordance with the requirements of HJ/T 96, HJ/T 101, HJ/T 377 and other monitoring equipment.
8.2 Process control
8.2.1 The control system shall be designed in accordance with the relevant standards issued by the International Organization for Standardization and the State.
8.2.2 Control system should meet the requirements of the process under the premise of reliable, economical, energy saving, safe, easy to maintain daily
And management.
8.2.3 Process control parameters, technical requirements and automation control level should be based on the size of wastewater treatment, water treatment requirements, enterprises
Economic conditions and other factors reasonable to determine, and meet the following requirements.
A) waste water treatment facilities should adopt centralized management, decentralized control of the automatic control mode, set the PLC controller, if necessary
Can be set on-site I/O module;
B) Field equipment should be installed on-site operation box, operation box should be set to run and fault status indication, manual/automatic conversion
turn off;
C) the use of complete sets of equipment and equipment supporting control system, the equipment supporting the control system should be reserved for the necessary communication interface,
To achieve communication with the whole plant control system and data exchange.
8.3 Other requirements
Other specific requirements should be in accordance with HJ .2015.
Major auxiliary works
9.1 Electrical automation
9.1.1 Independent treatment plant (station) power supply should be designed according to the secondary load, the factory processing plant (station) power supply level, should be with the production workshop
the same. The working power of the introduction and operation of the room should be set with the production process to consider, high and low voltage levels and power neutral access
The ground should be consistent with the production equipment.
9.1.2 Power distribution system The reactive power compensation device shall be set according to the operating power factor.
9.1.3 The electrical system design shall comply with the requirements of GB 50052, GB 50053, GB 50054, GB 50055, GB 7251 and GB 50057
And other current national and industry standards, lighting design should be consistent with the provisions of GB 50034.
9.1.4 The instrumentation power supply for the central control room of the process plant shall be equipped with an on-line uninterruptible power supply (UPS).
9.1.5 Control system requirements Reliable operation, easy maintenance and management, automatic control level should be based on the size of wastewater treatment, water
Quality requirements, the economic conditions of enterprises and other factors to determine.
9.1.6 The design of the automation control system shall conform to the relevant standards and requirements issued by the International Organization for Standardization or the State.
9.2 for drainage and fire
9.2.1 Water supply and drainage and fire protection systems should be considered in line with the production system, domestic water, production water and fire fighting facilities should meet GB
50015, GB 50016 and GB 50222 and other countries of the existing standards.
9.2.2 Water supply and drainage and fire protection should be planned, designed and equipped with the workshop of the production enterprise.
Water pipe network should adopt the production, living and fire joint water supply system.
9.2.3 Drainage should be carried out by gravity flow. When encountered flood season, heavy rain, drainage mark elevation below the surface water level, should be set gate
Doors and drainage pumping stations.
9.2.4 Fire protection design should comply with the relevant provisions of GB 50016, flammable and explosive workshop or place should be set according to the requirements of the fire department
Fire equipment.
9.2.5 Hazard category for waste water treatment works (except for anaerobic treatment units) Classification of refractory grades
Should be based on the characteristics of the relevant processing units were considered, variable/distribution room, control room, laboratory should be no less than two fire
Class design, other building (structure) building fire rating should not be less than three; when containing anaerobic treatment unit, the anaerobic treatment unit
Of the fire risk for the A, fire rating should be a level of fire-resistant design.
9.3 Heating Ventilation and air conditioning
9.3.1 There shall be heating ventilation and air conditioning system in the building and shall comply with the standards of GB 50019 and GB 50243 and other countries.
The provisions of the prospective.
9.3.2 Wastewater treatment engineering Heating system design should be unified with the production workshop planning, heat source priority by the factory or centralized processing area
Heating system to provide; when the building mechanical ventilation can not meet the process of indoor temperature, humidity requirements should be set up air conditioning device.
9.3.3 In cold areas in the north, there should be anti-freeze measures in the treatment of the structures. Processing the structure of the temperature should be higher than 5 ℃; between the drug,
Laboratory room and duty room and other indoor temperature should be higher than 15 ℃.
9.3.4 ......
Related standard:   HJ 2049-2015  HJ 2050-2015
   
 
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