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HJ 2018-2012 English PDF

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HJ 2018-2012: Technical specifications for sugar industry wastewater treatment
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Basic data

Standard ID HJ 2018-2012 (HJ2018-2012)
Description (Translated English) Technical specifications for sugar industry wastewater treatment
Sector / Industry Environmental Protection Industry Standard
Classification of Chinese Standard Z63
Classification of International Standard 13.030.20
Word Count Estimation 20,253
Quoted Standard GB 3096; GB 4284; GB 12348; GB 12523; GB 14554; GB 18599; GB 21909-2008; GB 50011; GB 50013; GB 50014; GB 50015; GB 50016; GB 50019; GB 50034; GB 50037; GB 50046; GB 50052; GB 50054; GB 50057; GB 50069; GB 50108; GB 50140; GB 50187; GB 50194; GB 50208; GB
Regulation (derived from) Department of Environmental Protection Notice No. 61 of 2012
Issuing agency(ies) Ministry of Ecology and Environment
Summary This standard specifies the sugar wastewater treatment engineering design, construction and installation, commissioning and operation and management of the technical requirements. This standard applies to sugar cane or beet sugar as raw sugar industry was

HJ 2018-2012: Technical specifications for sugar industry wastewater treatment

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Technical specifications for sugar industry wastewater treatment National Environmental Protection Standard of the People's Republic Technical specification for sugar wastewater treatment engineering Published on.2012-10-17 2013-1-1 implementation Ministry of Environmental Protection released HJ .2018-.2012

Content

Foreword..ii 1 Scope 1 2 Normative references 1 3 Terms and Definitions..4 4 Contaminants and pollution load..4 5 General requirements 6 6 Process Design 7 7 Main process equipment and materials..15 8 Detection and Process Control.16 9 Major auxiliary works..17 10 Labor Safety and Occupational Health 18 11 Construction and acceptance. 18 12 Operation and maintenance.19 HJ .2018-.2012

Foreword

To implement the "Environmental Protection Law of the People's Republic of China" and the "Water Pollution Control Law of the People's Republic of China" and other laws and regulations, regulate sugar production Construction and operation management of wastewater treatment projects, control of environmental pollution caused by sugar wastewater, and promotion of progress in sugar wastewater treatment technology This standard. This standard specifies the technical requirements for the design, construction, installation, acceptance and operation management of the sugar wastewater treatment project. 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 was drafted. South China Institute of Environmental Sciences, Ministry of Environmental Protection. This standard was approved by the Ministry of Environmental Protection on October 17,.2012. This standard has been implemented since January 1,.2013. This standard is explained by the Ministry of Environmental Protection. Technical specification for sugar wastewater treatment engineering

1 Scope of application

This standard specifies the technical requirements for the design, construction, installation, acceptance and operation management of the sugar wastewater treatment project. This standard is applicable to the treatment of sugar production wastewater from sugar enterprises that use sugar cane or sugar beet as raw materials. It can be used as feasibility study, design, Technical basis for construction, completion acceptance, environmental protection acceptance, operation and management after completion, and environmental impact assessment of sugar companies.

2 Normative references

The terms in the following documents become the terms of this standard by reference to this standard. The latest version of the undated reference document Applicable to this standard. GB 3096 Acoustic Environmental Quality Standard GB 4284 Contaminant control standard for agricultural sludge GB 12348 Environmental noise emission standards for industrial enterprises GB 12523 Environmental noise emission standards for construction site boundaries GB 14554 Odor Pollutant Discharge Standard GB 18599 General industrial solid waste storage and disposal site pollution control standards GB 21909-2008 Water pollutant discharge standard for sugar industry GB 50011 seismic design code for buildings GB 50013 Outdoor Water Supply Design Code GB 50014 Outdoor Drainage Design Code GB 50015 Building Water Supply and Drainage Design Code GB 50016 Building Design Fire Code GB 50019 Heating, Ventilation and Air Conditioning Design Code GB 50034 Architectural Lighting Design Standard GB 50037 Building Ground Design Specification GB 50046 industrial building anti-corrosion design specification GB 50052 design specification for power distribution system GB 50054 Low Voltage Distribution Design Specification GB 50057 lightning protection design code for buildings GB 50069 Water supply and drainage engineering structure design specification GB 50108 Underground Engineering Waterproof Technical Specifications GB 50140 Building Fire Extinguisher Configuration Design Specification GB 50187 General Plan for Design of Industrial Enterprises GB 50194 Construction site safety requirements for construction and supply of electricity GB 50208 Underground Waterproof Engineering Quality Acceptance Specification GB 50222 Building interior decoration design fire protection specification GB 50268 Water supply and drainage pipeline engineering construction and acceptance specifications GB 50275 Fan, compressor, pump installation engineering construction and acceptance specifications GB 50335 Wastewater Recycling Engineering Design Specification GB/T 12801 General requirements for safety and hygiene of production processes GB/T 18883 indoor air quality standard GB/T 23485 Municipal sewage treatment plant sludge disposal mixed landfill mud GB/T 23486 Urban sewage treatment plant sludge disposal landscaping mud GB/T 24600 urban sewage treatment plant sludge disposal land improvement mud GB/T 25031 Urban sewage treatment plant sludge disposal bricks GB/T 50033 Architectural lighting design standard GB/T 50125 Basic terminology standard for water supply and drainage engineering GB J 22 Factory Mine Road Design Code GB J 87 Industrial Enterprise Noise Control Design Specification GB J 141 Code for construction and acceptance of water supply and drainage structures GBZ 1 industrial enterprise design hygiene standard GBZ 2 Industrial site harmful factors occupational exposure limit CJJ 60 Urban Wastewater Treatment Plant Operation, Maintenance and Safety Technical Regulations HJ 493 Technical regulations for the preservation and management of water sampling samples HJ 494 Water Quality Sampling Technical Guidance HJ 495 water quality sampling plan design technical regulations HJ 577 Sequencing Batch Activated Sludge Wastewater Treatment Engineering Technical Specification HJ 578 Oxidation Ditch Activated Sludge 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 .2013 Upflow Anaerobic Sludge Bed Reactor Wastewater Treatment Engineering Technical Specification HJ .2014 Biological Filter Method Wastewater Treatment Engineering Technical Specification HJ .2015 Water Pollution Control Engineering Technical Guidelines HJ .2016 Environmental Engineering Terminology HJ/T 15 Environmental Protection Product Technical Requirements Ultrasonic Open Channel Sewage Flowmeter HJ/T 91 Surface Water and Wastewater Monitoring Technical Specifications HJ/T 96 PH water quality automatic analyzer technical requirements HJ/T 101 Ammonia Nitrogen Water Quality Analyzer Technical Requirements HJ/T 103 Total Phosphorus Water Quality Automatic Analyzer Technical Requirements HJ/T 186-2006 Cleaner Production Standards - Sugar Cane Sugar Industry HJ/T 212 pollution source online automatic monitoring (monitoring) system data transmission standard HJ/T 242 environmental protection product technical requirements belt press filter HJ/T 245 Environmental Protection Products Technical Requirements Hanging Packing HJ/T 246 Environmental Protection Products Technical Requirements Suspended Packing HJ/T 247 Environmental Protection Product Technical Requirements Mechanical Surface Aerator HJ/T 250 Environmental Protection Products Technical Requirements Rotary Fine Grille HJ/T 251 environmental protection product technical requirements Roots blower HJ/T 252 environmental protection product technical requirements, microporous aerator HJ/T 259 environmental protection product technical requirements rotary brush aeration device HJ/T 260 Environmental Protection Product Technical Requirements Blasting Submersible Aerator HJ/T 262 environmental protection product technical requirements grille decontamination machine HJ/T 263 Environmental Protection Product Technical Requirements Jet Aerator HJ/T 265 environmental protection product technical requirements scraper HJ/T 266 environmental protection product technical requirements suction machine HJ/T 277 environmental protection product technical requirements rotary decanter HJ/T 278 environmental protection product technical requirements single-stage high-speed aeration centrifugal blower HJ/T 279 environmental protection product technical requirements push flow submersible mixer HJ/T 280 environmental protection product technical requirements rotary aerator HJ/T 281 environmental protection product technical requirements diffuser aerator HJ/T 283 Environmental Protection Product Technical Requirements Chamber filter press and plate and frame filter press for sludge dewatering HJ/T 335 environmental protection product technical requirements sludge concentration belt dewatering machine HJ/T 336 Environmental Protection Product Technical Requirements Submersible Sewage Pump HJ/T 353 Water Pollution Source Online Monitoring System Installation Technical Specification (Trial) HJ/T 354 Water Pollution Source Online Monitoring System Acceptance Technical Specification (Trial) Technical Specifications for Operation and Assessment of HJ/T 355 Water Pollution Source Online Monitoring System (Trial) HJ/T 369 Environmental Protection Product Technical Requirements Dosing Device for Water Treatment HJ/T 377 Environmental Protection Products Technical Requirements Chemical Oxygen Demand (CODCr) Water Quality Online Automatic Monitor NY/T 1220.2 Technical Specifications for Biogas Engineering - Part 2. Gas Supply Design NY/T 1222 Large-scale livestock and poultry farm biogas engineering design specification

3 Terms and definitions

The following terms and definitions defined in GB/T 50125, HJ .2016 apply to this standard. Sugar industry wastewater Refers to waste water produced and discharged during the production of sugar cane sugar and sugar beet.

4 Contaminants and pollution loads

4.1 Sugar wastewater includes condensed water, cooling water, washing cloth water, washing tank wastewater, boiler ash water, beet produced in various steps of sugar production. The washing water, the compressed water, the flushing mud water, and the ground washing water in the production area are sent. 4.2 Existing enterprises should adopt the method of on-site measurement of the total discharge port of enterprise wastewater to determine the wastewater volume and wastewater quality of sugar enterprises; beet stream The amount of wastewater should be determined by means of on-site measurement of the wastewater discharge port of each production unit by sending washing water, washing cloth water, crushing water, and flushing muddy water. And wastewater quality. Measurement of wastewater volume and sampling of wastewater water quality shall be in accordance with HJ 493, HJ 494, HJ 495 and HJ/T 91. 4.3 Enterprises such as new construction or renovation and expansion should refer to the analogy of similar technical level and management level to determine the wastewater volume and wastewater quality. 4.4 The designed water volume of the sugar wastewater treatment project shall be calculated according to the following formula. QQS ×=α (1) Where. QS--design water quantity, m3/d; Α--design margin, should be 1.1 to 1.2; Q--The amount of wastewater obtained in Article 4.2 or 4.3, m3/d. 4.5 For sugar cane sugar enterprises complying with HJ/T 186-2006, the design water quantity and water quality can be valued according to Table 1. Table 1 Design water quantity and water quality of sugar cane sugar enterprises Project unit value range Design water volume m3/t cane 1.6～4.0 pH - 6.5～8.0 Chemical oxygen demand (CODCr) mg/L 1050～500 5-day biochemical oxygen demand (BOD5) mg/L 370-180 Suspended solids (SS) mg/L 480～150 4.6 Lack of reference to the establishment of new or renovated beet sugar enterprises, the design of water and water quality can be valued according to Table 2; beet stream to send washing water, wash The design water quantity and suspended solid concentration of filter cloth water, compressed water and flushing mud water can be taken according to Table 3. Table 2 Design water quantity and water quality of sugar beet enterprises Project unit value range Design water volume m3/t dishes 3.7 ~ 7.5 pH - 6.5～8.0 Chemical oxygen demand (CODCr) mg/L 5000～2500 5-day biochemical oxygen demand (BOD5) mg/L 2500～1200 Suspended solids (SS) mg/L 4000～2000 Total nitrogen (TN) mg/L 70～35 Total phosphorus (TP) mg/L 12～6 Table 3 Design water quantity and suspended solids concentration of beet stream washing water, washing cloth water, compressed water and flushing mud water Project unit beet stream, washing, washing, washing cloth, water pressure, water washing, muddy water Design water volume m3/t dish 1.0～3.0 0.1～0.3 0.1～0.3 0.1～0.3 Suspended solids (SS) mg/L.2000～700 7000～4000 2500～1500 11000～8000

5 General requirements

5.1 General provisions 5.1.1 In addition to complying with the provisions of this standard, the construction of sugar wastewater treatment projects should also comply with national infrastructure procedures and relevant national Regulations and standards. 5.1.2 Sugar-making enterprises should actively adopt clean production technology, improve production processes, improve water recycling efficiency, and reduce the amount of water pollutants produced. And emissions. 5.1.3 Encourage sugar enterprises to realize resource recycling after treatment of sugar wastewater and improve water reuse. 5.1.4 The process configuration of the sugar wastewater treatment project should be compatible with the water circulation treatment and utilization system in the production chain of sugar enterprises. 5.1.5 When the sugar wastewater is discharged after treatment, the water volume and water quality shall comply with the requirements of GB 21909 and the environmental impact assessment approval documents. 5.1.6 Priority should be given to the treatment process and equipment that are mature, reliable, efficient, energy-saving, low-investment, low operating cost, and low secondary pollution. 5.1.7 Measures should be taken to prevent secondary pollution. 5.2 Construction scale The scale of construction of the sugar wastewater treatment project shall be determined according to the raw materials, production scale and clean production level of the sugar enterprise. 5.3 Engineering composition 5.3.1 The sugar wastewater treatment project mainly includes the main works, supporting projects, major equipment and equipment, as well as production management and service facilities. 5.3.2 Main works include wastewater conditioning and treatment systems, sludge treatment systems, etc. 5.3.3 Supporting projects include power supply and distribution, water supply and drainage, roads, fire protection, testing and control. 5.3.4 Main equipment and equipment include sewage pump, oxygenation equipment and equipment, sludge dewatering machine, etc. 5.3.5 Production management and service facilities include office buildings, analytical laboratories, duty rooms, etc. Production management and service facilities can be made by sugar companies Unified arrangement. 5.4 Site selection 5.4.1 Site selection should refer to GB 50014, HJ .2015, and should choose the downwind direction of the plant during the production season. 5.5 General layout 5.5.1 The general layout shall be based on the functions of the structures and the requirements of the treatment process, combined with the topography, geological conditions and other factors, through the technical economy. More certain, and should be easy to construct, maintain and manage. 5.5.2 The general layout shall comply with the provisions of GB 50187. 5.5.3 The layout of wastewater treatment facilities should be adapted to local conditions. The odour-disposing treatment facility should be placed in the downwind direction of the project area. 5.5.4 The layout of each unit should be compact and reasonable, and meet the requirements of construction, equipment installation, various pipeline connections, and convenient maintenance and management. begging. 5.5.5 Vertical design should make full use of the original terrain, as far as possible to achieve earthwork balance and reduce head loss, reduce waste water lifting height and waste The water is discharged smoothly after being treated. 5.5.6 Locations for materials, chemicals, sludge, waste residues, etc. should be provided. 5.5.7 The setting of production auxiliary buildings shall meet the needs of treatment process and daily management, and the area shall be based on the scale of the wastewater treatment project. Processing technology, management system, etc. are determined. 5.5.8 When the sugar enterprise has the expectation of expansion, the wastewater treatment project should take into account the characteristics of the staged construction and carry out the overall arrangement. 5.5.9 Other requirements for the general layout should refer to GB 50014, HJ .2015.

6 Process design

6.1 General requirements 6.1.1 The treatment process and parameters should be based on the characteristics of wastewater quality, the destination of wastewater after treatment, discharge standards, relevant characteristics of the region, etc. Determined after a technical and economic comparison. 6.1.2 Process technology based on biochemical treatment and supplemented by physical and chemical treatment should be adopted. 6.1.3 Facilities shall be provided to enable the initiation of culture before the start of annual sugar production. 6.1.4 The main treatment structures shall be divided into not less than two groups, designed in parallel. When the amount of treated water is small, only one group can be set, but it should be equipped with emergency Measures. 6.2 Routing options 6.2.1 The process technology shown in Figure 1 should generally be used for the treatment of sugar cane sugar wastewater. But when the CODCr of sugar cane sugar wastewater is more than 1500mg/L, The process technology shown in Figure 2 should be used. 6.2.2 The processing technology of sugar beet wastewater should adopt the process technology shown in Figure 2. 6.2.3 When the CODCr of sugar cane sugar wastewater is not more than 500mg/L, and the wastewater discharge standard implements the “new enterprise water pollution” in GB 21909-2008 The hydrolysis acidification unit can be eliminated when the dye discharge limit is specified. 6.2.4 When the beet stream is sent to the washing water, the compressed water, the washing cloth water, and the flushing mud water has been subjected to precipitation treatment in the production process, the SS is not greater than At 500 mg/L, the pre-sedimentation tank can be eliminated. 6.2.5 The advanced processing system is mainly used in the following situations. a) When the wastewater discharge standard implements the “Special Emission Limits for Water Pollutants” in GB 21909-2008, or other Where the target requirements are stricter. Grille Regulation pool Hydrolysis acidification Aerobic treatment Sludge concentration Sludge dewatering Dry mud disposal Reuse processing Description. Used back to other production links Figure 1 Flow chart of sugarcane sugar wastewater treatment process Used as ash water Advanced processing Accident pool Sugar wastewater Recommended treatment process Discharge Wastewater treatment sludge treatment b) When the total phosphorus concentration of the wastewater is high, the aerobic treatment of biological phosphorus removal cannot meet the requirements. c) When the concentration of wastewater pollutants is much higher than the water quality range of conventional sugar wastewater. 6.2.6 The process of recycling the treatment system is determined by the use of the recycled water. 6.3 Process design requirements 6.3.1 Grille 6.3.1.1 A grille should be provided before adjusting the tank. 6.3.1.2 Mechanical grille should be used. Artificial grid can be used when the amount of waste water is small and there is not much slag. 6.3.1.3 The grid shall be designed for the maximum amount of wastewater. 6.3.1.4 The gap width of the mechanical grille grid should be 3 mm to 10 mm, and the gap width of the artificial grille grid should be 10 mm to 20 mm. Other sugar wastewater The beet stream sends washing water, crushed water, Wash the filter cloth, wash the muddy water Pre-precipitation tank grille Regulation pool Anaerobic treatment Aerobic treatment Advanced processing Accident pool Used as ash water Sludge concentration Sludge dewatering Dry mud disposal Compliance is discharged back to other production links Figure 2 Flow chart of sugar beet wastewater treatment process Reuse processing Description. Recommended treatment process Wastewater treatment sludge treatment 6.3.1.5 Other designs of the grille shall comply with the provisions of GB 50014. 6.3.2 Sedimentation tank 6.3.2.1 The sedimentation tank can be of the vertical flow type, advection flow type, radial flow type or inclined tube (plate) sedimentation tank, etc., and the flow rate should be adopted when the amount of waste water is large. Sedimentation tank. It is not advisable to use a inclined tube (plate) sedimentation tank in the secondary sedimentation tank after the activated sludge process. 6.3.2.2 The pre-sedimentation tank shall be designed according to the maximum pre-sedimentation wastewater volume; the secondary sedimentation tank shall be designed according to the maximum combined flow rate of the regulating tank lifting pump. 6.3.2.3 The main design parameters of the pre-sedimentation tank should be taken as specified in Table 4. Table 4 Main design parameters of pre-sedimentation tank Project unit vertical flow, advection, radial flow sedimentation tank inclined pipe (plate) sedimentation tank Surface hydraulic load m3/(m2·h) 1.5～3.0 2.5～5.0 Precipitation time h 1.0~3.0 - SS treatment efficiency% 40～70 40～70 CODCr, BOD5, TN, TP treatment efficiency% 10～25 10～25 6.3.2.4 The main design parameters of the radial flow, advection and vertical flow secondary settling tanks are to be taken as specified in Table 5. Table 5 Main design parameters of radial flow, advection and vertical flow secondary settling tank After the project unit activated sludge method, the biological contact oxidation method Surface hydraulic load m3/(m2·h) 0.7～1.2 0.7～1.2 Precipitation time h 2.0～4.0 2.0～4.0 Solid load kg/(m2 · d) ≤ 150 - 6.3.2.5 Other designs of sedimentation tanks shall comply with the provisions of GB 50014. 6.3.3 Adjustment pool 6.3.3.1 The effective volume of the regulating tank shall be determined according to the law of wastewater discharge. When there is no relevant data, it shall be 8-12 h according to the maximum daily average flow rate. Waste water volume design. 6.3.3.2 When the wastewater SS is greater than 500 mg/L, a stirring device should be installed in the regulating tank. When the stirring device is a push-flow submersible mixer, mix The combined power should not be less than 3 W/m3; when the stirring device is an aeration pipe or an aerator, the aeration amount should not be less than 3 m3/(m2·h). 6.3.3.3 There shall be a water collecting pit and a drain pipe at the bottom of the regulating tank. The bottom of the pool should have a slope of not less than 0.005, and the slope should be sump. The wall of the pool should be set to overflow Water pipes and overflow pipes shall lead to the accident pool. 6.3.3.4 The adjustment tank for sugar beet wastewater should have a top cover and insulation measures, and there should be holes in the top cover. 6.3.4 Hydrolysis acidification tank 6.3.4.1 Bio-filler should be set in the hydrolysis acidification tank. 6.3.4.2 The setting of biological packing shall be such that maintenance and repair work can be carried out. The suspended bio-filler should not be less than 0.8 m from the bottom of the tank. 6.3.4.3 The total amount of suspended biofillers should not be less than 70% of the pool capacity; the total amount of suspended biofillers should not be less than 40% of the pool capacity. 6.3.4.4 The hydrolysis acidification tank should be designed at room temperature. 6.3.4.5 The main design parameters of the hydrolysis acidification tank should be determined according to the test data; when there is no test data, the values can be determined according to the provisions of Table 6. Table 6 Main design parameters of hydrolysis acidification tank Project unit parameter value Packing area volume load kgCODCr/(m3 · d) 3 ~ 6 Filling zone hydraulic retention time h 3~6 CODCr treatment efficiency% 20~40 BOD5 treatmen...

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