HJ 2528-2012 English PDF

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HJ 2528-2012: Technical requirement for environmental protection products. Hollow fiber membrane bio-reactor unit
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Basic data

Standard ID: HJ 2528-2012 (HJ2528-2012)
Description (Translated English): Technical requirement for environmental protection products. Hollow fiber membrane bio-reactor unit
Sector / Industry: Environmental Protection Industry Standard
Classification of Chinese Standard: N56
Classification of International Standard: 13.060.99
Word Count Estimation: 12,127
Quoted Standard: GB/T 191; GB/T 700; GB/T 709; GB/T 985.1; GB/T 1804; GB/T 3280; GB/T 4237; GB/T 5750.12; GB/T 5836.1; GB/T 5836.2; GB/T 8923; GB/T 9969; GB/T 10002.1; GB/T 11901; GB/T 12771; GB/T 13200; GB/T 13306; GB/T 13922; GB/T 14436; GB/T 19866; GB/T 20103; GB/T 202
Regulation (derived from): Department of Environmental Protection Notice No. 47 of 2012;
Issuing agency(ies): Ministry of Ecology and Environment
Summary: This standard specifies the hollow fiber membrane bioreactor group's definition, classification and nomenclature, technical requirements, test methods, inspection rules and signs, packaging, transport and storage. This standard applies to submerged membra

HJ 2528-2012: Technical requirement for environmental protection products. Hollow fiber membrane bio-reactor unit

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Technical requirement for environmental protection products.Hollow fiber membrane bio-reactor unit People's Republic of China National Environmental Protection Standards Environmental protection product hollow fiber membrane bioreactor Reactor control group Technical requirement for environmental protection products Hollow fiber membrane bio-reactor unit 2012-7-31 release 2012-11-1 implementation Issued by the Ministry of Environmental Protection

Table of Contents

Preface .III 1 Scope 1 2 Normative references 1 3 Terms and definitions .2 4 .2 classification and nomenclature 5 2 Basic requirements Performance Requirements 4 6 7 Test Method 4 8 Inspection Rule 4 9 signs, packaging, transportation, storage .5 Appendix A (informative) membrane wire aging evaluation methods ..7

Foreword

To implement the "People's Republic of China Water Pollution Prevention Law" to regulate the hollow fiber membrane bioreactor set design and production, improve hollow fiber Dimensional membrane bioreactor group is quality, the development of this standard. This standard specifies the definition of the group bioreactor hollow fiber membranes, classification and naming, technical requirements, test methods, inspection rules and standard Chi, packaging, transportation and storage requirements. This standard is the first release. This standard by the People's Republic of China Ministry of Environmental Protection Science, Technology organizations to develop. This standard drafting units. China Environmental Protection Industry Association, Beijing Water Technology Co., Ltd., Chinese Academy of Sciences Ecological Environment Research center. This standard is approved by the Ministry of Environmental Protection July 31, 2012. This standard since November 1, 2012 implementation. The standard explanation by the Ministry of Environmental Protection. Environmental protection product hollow fiber membrane bioreactor control group

1 Scope

This standard specifies the definition of the group bioreactor hollow fiber membranes, classification and naming, technical requirements, test methods, inspection rules and Logo, packaging, transportation and storage. This standard applies to submerged membrane bioreactor treatment process sewage and industrial wastewater treatment biodegradability.

2 Normative references

The standard content of the following documents cited in the articles. For undated references, the effective version applies to this standard. GB/T 191 Packaging - Pictorial signs GB/T 700 carbon structural steel Size GB/T 709 hot rolled steel sheet and strip, shape, weight and tolerance GB/T 985.1 gas welding, arc welding, gas welding and beam welding Recommended groove GB/T 1804 General tolerances Tolerances for linear and angular dimensions without individual tolerance GB/T 3280 stainless steel cold-rolled steel sheet and strip GB/T 4237 hot-rolled stainless steel sheet and strip GB/T 5750.12 drinking water standard test methods of microbiological criteria GB/T 5836.1 drainage construction with a hard polyvinyl chloride (PVC-U) pipes GB/T 5836.2 drainage construction with a hard polyvinyl chloride (PVC-U) pipe fittings GB/T 8923 steel surface before painting Rust grades and grade GB/T 9969.1 General Industrial Product Manual GB/T 10002.1 water with a hard polyvinyl chloride (PVC-U) pipes Determination of GB/T 11901 Quality of suspended solids - Gravimetric method GB/T 12771 fluid transport stainless steel welded pipe Determination of GB/T 13200 Water turbidity GB/T 13306 signs GB/T 13922.1 water treatment equipment General Performance Test GB/T 14436 General industrial products assurance documents GB/T 19866 general principles of welding procedures and assessment GB/T 20103 membrane separation technology terms GB/T 20207.1 acrylonitrile - butadiene - styrene (ABS) pressure piping systems - Part 1. Pipes GB/T 20207.2 acrylonitrile - butadiene - styrene (ABS) pressure piping systems - Part 1. Fittings GB/T 50235 Industrial metal pipe construction and acceptance JB/T 2932 water treatment equipment and technical conditions

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 hollow fiber membrane bioreactor group is hollow fiber membrane bio-reactor unit Assembled from the hollow fiber membrane element (referred to as the membrane element), gas distribution apparatus, catchment device, a basic framework into the water treatment unit, set Biological reaction tank, solid-liquid separation apparatus, referred membrane group. 3.2 Membrane filtration area membrane filtration area Refers to the effective membrane area of the hollow fiber membrane is a hollow fiber membrane element group and the units of m2. 3.3 TMP trans-membrane pressure The pressure difference between the inlet side and the outlet side of the membrane, the unit is kPa.

4 Classification and Nomenclature

4.1 Classification Membrane group by framing materials and membrane filtration area use classification. 4.2 Naming The hollow fiber membrane bioreactor group Model group by the bioreactor's film abbreviation (MU), frame material identification (S on behalf of not Stainless steel, C for carbon steel), membrane filtration area (m2) of Arabic numerals and hollow fiber abbreviation (HF) and other components. Example. HF-MU-S-300 indicates the frame is of stainless steel, membrane filtration area of 300m2 hollow fiber membrane bioreactor device group.

5 Basic requirements

5.1 Composition Film group consists of hollow fiber membrane elements, gas distribution apparatus, catchment device, frame and other components. 5.2 Manufacturing 5.2.1 Film Group shall be in accordance with procedures approved by the drawings and technical documents manufacture, and compliance with this standard. Tolerance should be consistent with GB/T 1804 Provisions. Parts 5.2.2 film material used by the group, the welding material and the adhesive material shall meet the technical requirements specified in the current national standard, the quality of welding operators Co GB/T 19866, the provisions of GB/T 985.1, the metal pipe installation and welding should be consistent with GB/T 50235 requirements of. 5.2.3 steel membrane group should comply with GB/T 700, GB/T 709, GB/T 3280, GB/T 4237, GB/T 12771 requirements, hard polyethylene Vinyl chloride should be consistent with GB/T 5836.1, GB/T 5836.2, GB/T 10002.1 requirements, ABS should be consistent with GB/T 20207.1, GB/T 20207.2 Frame material identification, S, C Hollow fiber Membrane bioreactor control group HF - MU-- - Membrane filtration area The provisions of other materials shall comply with the provisions of JB/T 2932's. 5.3 parts 5.3.1 hollow fiber membrane element 5.3.1.1 should be used in chemical and mechanical stability, corrosion resistance, high strength, long life, non-toxic, flux membrane material assembled in Hollow fiber membrane element. 5.3.1.2 Select the hollow fiber membrane element should follow the following principles. Standard a) membrane element pore size between 0.01μm ~ 0.4μm; b) membrane pore size distribution of the membrane element concentration; c) hollow fiber membrane filament tensile breaking strength of not less than 7 Newton; d) good oxidation resistance film element; e) of the film material trapped solute adsorption is small. 5.3.1.3 hollow fiber membrane element mounted within the membrane group should be easy to clean, repair and replacement. Hollow fiber membrane element due membrane manufacturer's certificate and instructions for use 5.3.1.4. 5.3.2 gas distribution means 5.3.2.1 gas distribution device consists of aeration piping and intake pipe composition, the device should be connected to a reliable and easy to remove accumulated sludge and residues and the like. 5.3.2.2 Aeration piping should be evenly arranged below the membrane element, aeration orifice should be smooth and free of burrs, aeration holes should be uniform outlet. 5.3.2.3 inlet line should enable the aeration gas distribution pipeline reasonably uniform. 5.3.3 catchment device 5.3.3.1 catchment device is connected by a membrane element and outlet manifolds which brings together water collector pipes and outlet road total composition. Within the catchment device There should be no residue. 5.3.3.2 catchment device outlet road should be sealed chemical corrosion connections subjected to external pressure, and resistance to internal pressure and the time-line cleaning. 5.3.4 framework 5.3.4.1 framework should be high strength, stiffness and resistance to corrosion. 5.3.4.2 framework should use carbon steel or stainless steel. All surfaces should be made when using carbon steel rust and anti-corrosion treatment, the coating should be beautiful, prison Solid, does not allow holidays, sagging, blistering, folds, scratches, peeling off rust treatment should meet the GB/T 8923 requirements. 5.3.4.3 membrane group shall be provided with hoisting equipment, lifting device provided on the film set of frame. Lifting device should be safe, reliable, easy maintenance and installation. 5.4 Assembly and Installation 5.4.1 Film Group's gas distribution, water catchment and frames and other components should be securely connected and easy maintenance. 5.4.2 membrane element installation, according to the membrane manufacturer's technical requirements. Various pipes and fittings 5.4.3 membrane group used should conform to appropriate standards and regulatory requirements. 5.4.4 Film Group should be compact structure, reasonable layout, easy to operate, installation and maintenance, and to meet the technical requirements.

6 Performance requirements

6.1 Performance 6.1.1 turbidity should be less than 1NTU. 6.1.2 effluent suspended solids concentration should be less than 5mg/L. 6.1.3 water should be less than 500 fecal coliform/L. 6.1.4 Under design operating conditions, the flux should be not less than 0.288m3/(m2 · d). 6.1.5 frame at the design operating conditions without significant deformation. 6.2 life Under design operating conditions, the membrane element life of not less than 3 years.

7 Test methods

7.1 Appearance quality by visual. 7.2 dimensions of the parts and the whole with the corresponding levels of precision gage measurements. 7.3 Weld inspection Weld inspection using a tape measure and color detection. 7.4 tightness test catchment device using the apparatus into the water, which leads to the oil-free compressed air, maintained at 100kPa pressure three minutes into the apparatus, Observe whether the bubbles, it is determined whether or not the leak. 7.5 hollow fiber membrane element according to the film supplier technical requirements and operating instructions for testing and evaluation. Machine performance test 7.6 membrane group apparatus according to GB/T 13922.1, and should continuously running at design operating conditions conducted after 2h (superscript Standard Test Method). a) water turbidity by GB/T 13200 method of measurement; b) effluent suspended solids concentration measured by the GB/T 11901 method; c) water fecal coliform press GB/T 5750.12 Method of detection; d) flux. unit time measured under conditions designed to run out of water and divided by the area of the membrane filtration unit is m3/(m2 · d). 7.7 membrane element life in accordance with Appendix A and by running for more than three consecutive years to assess and determine the actual project. 7.8 Composition and manufacturing membrane group using check design drawings and technical documents or certificates corresponding raw materials.

8 Inspection Rules

8.1 Inspection classification Membrane group test into the factory inspection and type testing. 8.2 factory inspection Factory inspection by one to test, test items shown in Table 1. Table 1 film set from the factory and type test project requirements and test methods No. Item Test method Requirements factory inspection type test 1 Assembly and Installation 5.4 7.1 √ √ 2 Dimensions 5.2.1 7.2 √ √ 3 welding quality 5.2.2 7.3 √ √ 4 gas distribution apparatus 5.3.2 7.1 √ √ 5 catchment device 5.3.3 7.4 √ √ 6 frame quality 5.3.4,6.1.5 7.1 √ √ 7 membrane element quality 5.3.1 7.5 √ √ 8 Composition and manufacturing 5.1,5.2.3 7.8 √ √ 9 turbidity 6.1.1 7.6 a) - √ 10 effluent suspended solids concentration 6.1.2 7.6 b) - √ 11 water fecal coliform 6.1.3 7.6 c) - √ 12 flux 6.1.4 7.6 d) - √ 13 life 6.2 7.7 - √ 8.3 Type inspection 8.3.1 When one of the following conditions, type of inspection should be carried out. Shape identification a) the new product; B) after the official production, when the design, process, materials are major changes that may affect product performance; c) Normal production, inspection once every three years; d) continuous discontinued after one year, the recovery in manufacturing; e) Quality Supervision, Inspection bodies type inspection requirements. 8.3.2 Sampling. extracting factory inspection device 2 as a sample type inspection, sampling base of not less than 10; also available through Final acceptance of the equipment for two as sample type test. 8.3.3 type test items shown in Table 1. 8.4 determine the rules 8.4.1 Product testing with the standard requirements, judged to be acceptable. 8.4.2 If the sample checks have failed items, should be doubled sampling, the project failed the retest, if the re-examination results for all qualified, you can still Determine whether the product is qualified. 8.4.3 If the product re-examination, any one still a failure occurs, it is determined that the product failed. 9 signs, packaging, transportation and storage 9.1 mark 9.1.1 should be set up signs in film products group was part of the identification containing the following. a) the product name; b) Model; c) the manufacturer; d) the date of manufacture; e) serial number. 9.1.2 Type and size of the signs should be consistent with GB/T 13306 provisions. 9.2 Packaging transport 9.2.1 shall be suitable for land and sea transport requirements, parts should be fixed firmly in the box. Random files to be packaged in plastic bags, and fixed In the box, random file should include. a) the packing list; b) certificate; c) instructions for use. 9.2.2 certificate shall be prepared in line with GB/T 14436 regulations, manual preparation shall comply with GB/T 9969.1 of. 9.2.3 before packing, membrane components and other wearing parts should be protected. 9.2.4 equipment factory packaging, all fittings, nozzles, flange should be fully sealed. 9.2.5 outside the box storage flag shall comply with GB/T 191's. 9.3 Storage 9.3.1 membrane group containing membrane element should avoid direct sunlight and stored at between 4 ~ 40 ℃, when the temperature is below 4 ℃, the membrane element must be taken Take freezing measures, long-term when not in use, the membrane element and the film should be stored separately from other components of the group. 9.3.2 Storage hollow fiber membrane element should be carried out with reference to the technical requirements of the membrane suppliers. Appendix A (informative) membrane wire aging evaluation methods A.1 Method The film yarn soaked in the agent specified predetermined time, the test membrane strands tensile strength, water flux. A.1.1 provisions of Pharmacy Sodium hypochlorite solution at a concentration of 5 ‰, 1%, 5%. A.1.2 soaking time The film is accelerated liquid immersion test, inspect when the liquid load (concentration * time) is greater than the standard washing conditions 5 years or 10 years, Film aging state. Standard cleaning conditions. after every 7-day online washed once, solution concentration 0.3 ‰; after every 30 days online washed once, liquid concentration 5 ‰. Acceleration soak load is greater than standard cleaning load (1.2 times), as long as the accelerated aging test are not found, then the film may have a 3-year, 5 years, or More than 10 years of life. Table A. yam life when Scale Item 3 years 5 years equivalent equivalent equivalent of 10 years 5 ‰ Acceleration soaking time (day) 6 10 20 Acceleration 1% soaking time (day) 3 5 10 Acceleration 5% soaking time (day) 0.6 1 2 Accelerating immersion liquid load (mg/L · hr) 720,000 1,200,000 2,400,000 Standard cleaning liquid load (mg/L · hr) 602,464.2 1,004,107 2,008,214 Acceleration soak load/standard wash load 1.2 1.2 1.2 A.1.3 criteria Tensile strength is reduced by 40%, or reduced to 3N or less; Shimizu flux units TMP under growing or attenuation of more than 30%. ......

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