HJ 2522-2012_English: PDF (HJ2522-2012)
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Technical requirement for environmental protection products. Ultraviolet disinfection equipment
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HJ 2522-2012
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| Standard ID | HJ 2522-2012 (HJ2522-2012) | | Description (Translated English) | Technical requirement for environmental protection products. Ultraviolet disinfection equipment | | Sector / Industry | Environmental Protection Industry Standard | | Classification of Chinese Standard | C59 | | Classification of International Standard | 11.080 | | Word Count Estimation | 25,275 | | Quoted Standard | GB/T 191; GB 4208; GB 5749; GB/T 9969; GB/T 13306; GB/T 13384; GB 18466; GB 18596; GB 18918; GB/T 18920; GB/T 19837-2005 | | Drafting Organization | China Environmental Protection Industry Association (Water Pollution Control Committee) | | Regulation (derived from) | Department of Environmental Protection Notice No. 47 of 2012; | | Summary | This standard specifies the basic requirements for UV disinfection equipment, performance requirements, test methods, inspection rules and signs, packaging, transportation and storage of technical requirements. This standard applies to drinking water, mun |
HJ 2522-2012
Technical requirement for environmental protection products.Ultraviolet disinfection equipment
People's Republic of China National Environmental Protection Standards
Environmental protection product UV disinfection device
Technical requirement for environmental protection products
Ultraviolet disinfection equipment
2012-7-31 release
2012-11-1 implementation
Issued by the Ministry of Environmental Protection
Table of Contents
Foreword Ⅱ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Basic requirements 2
5 Performance Requirements 4
Test Method 5 6
7 Inspection rules 5
8 signs, packaging, transportation and storage 6
Appendix A (normative) UV dose - response curve test 8
Appendix B (normative) UV doses tested 11 biometric
Annex C (normative) UV and UV efficiency calculation Power Test 14
Annex D (normative) UV lamp aging factor test 16
Appendix E (normative) quartz tube ultraviolet transmittance test 17
Foreword
To implement the "People's Republic of China Water Pollution Prevention Law" to regulate the production, manufacturing ultraviolet disinfection equipment, improve the means of UV disinfection
Quality home, the development of this standard.
This standard specifies the basic requirements for ultraviolet disinfection equipment, performance requirements, test methods, inspection rules and signs, packaging, transportation
And storage.
This standard is developed by the Ministry of Environmental Protection Science, Technology organization.
This standard drafting units. China Environmental Protection Industry Association (Water Pollution Control Committee), Environmental Protection Technology Co., Fujian Newland
Division, Tsinghua University, China Disease Prevention and Control Center.
This standard MEP July 31, 2012 for approval.
This standard since November 1, 2012 implementation.
The standard explanation by the Ministry of Environmental Protection.
Environmental protection product UV disinfection device
1 Scope
This standard specifies the basic requirements for ultraviolet disinfection equipment, performance requirements, test methods, inspection rules and signs, packaging, transportation
And storage and other technical requirements.
This standard applies to drinking water, urban waste water, recycling water, hospital waste water, sewage and other livestock farms ultraviolet disinfection process
Line sterilizing apparatus.
2 Normative references
This standard incorporates the following documents contain provisions. For undated references, the effective version applies to this standard.
GB/T 191 Packaging - Pictorial signs
GB 4208 housing protection (IP Code)
GB 5749 drinking water health standards
GB/T 9969 Industrial Product Manual General
GB/T 13306 signs
GB/T 13384 mechanical and electrical products packaging General technical conditions
GB/T 15464 instrumentation packaging technology
GB 18466 medical institutions water pollutant discharge standards
GB 18596 livestock and poultry breeding pollutant emission standards
GB 18918 Municipal Wastewater Treatment Plant Pollutant Emission Standards
GB/T 18920 urban recycling urban miscellaneous water quality
GB/T 19837-2005 urban drainage ultraviolet disinfection equipment
"Drinking water disinfectants and disinfection equipment health safety evaluation norms" (Trial) health supervision [2005] No. 336
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1 UV ultraviolet (UV)
Wavelength of 100 nm ~ 400 nm electromagnetic waves, which means that ultraviolet germicidal wavelength of 200 nm ~ C-band ultraviolet light of 280 nm
(UVC).
3.2 UV disinfection equipment Ultraviolet disinfection equipment
The use of ultraviolet disinfection of water treatment equipment.
3.3 Closed ultraviolet disinfection device closed-vessel ultraviolet disinfection equipment
Also known as pressure pipe UV disinfection device disinfection within a closed pipe flow UV disinfection device, including. Closed Consumers
Poison chamber, UV lamp, quartz tube, ballast, UV intensity sensors, quartz tube cleaning equipment, cleaning power unit (such as a pneumatic
Machines, hydraulic pumps, etc.), electrical power distribution and control systems.
3.4 Open Channel UV disinfection device open-channel ultraviolet disinfection equipment
Also known as canal ultraviolet disinfection device is installed in the open channel flow UV disinfection disinfection equipment, including. UV lamp module,
Module holder, visor, repair rack module, the module manual cleaning tank, automatic quartz sleeve cleaning device, the cleaning power plant (such as air compressors,
Hydraulic pumps, etc.), module lifting device, ballast, UV intensity sensors, electrical power distribution and control systems.
3.5 UV lamp module Ultraviolet lamp module
Several branch UV lamp and quartz sleeve fixedly mounted on the frame of a standardized structure.
3.6 UV intensity ultraviolet intensity (I)
UV and UV power per unit area perpendicular to the direction of propagation on the units of mW/cm2.
3.7 UV efficiency ultraviolet efficiency
UV germicidal UV lamp power to its input power ratio.
3.8 UV dose ultraviolet dose (Dose)
Ultraviolet energy per unit area, obtained by multiplying the intensity of ultraviolet irradiation time, in units of mJ/cm2.
3.9 UV dose - response curve of ultraviolet dose-response curve
UV dose and test organisms indicates loss curve relationship between the two levels of living. Inactivation level logarithmic inactivation rate lg (N0/N) or
Number residual rate lg (N/N0) representation. N0 is the concentration of microorganisms before UV irradiation, N is the concentration of microorganisms after ultraviolet irradiation. Test Methods
See Appendix A.
3.10 biometric dose biodosimetry dose
Also known as RED dose (reduction equivalent dose). Characterization of UV disinfection device under certain water conditions can be achieved
UV dose, an ultraviolet lamp unit doses each having a flow rate of representation.
3.11 UV transmittance of ultraviolet transmittance (UVT)
UV transmission percentage of a certain wavelength and intensity ultraviolet transmittance before UV intensity after a specific thickness of the dielectric. If not specified
Medium thickness, the default is medium thickness 1cm. The ultraviolet transmittance of 254 nm wavelength is written as T254.
3.12 quartz tube quartz sleeve
To suit the UV lamp, so that the UV lamp and the water separated from the quartz tube.
3.13 Low-voltage lights low pressure lamp
Working pressure of 0.13 Pa ~ 1.3 Pa mercury vapor lamp. Low-voltage lights input electric power per cm of arc length of approximately 0.5 W, output Main
To single 254nm UV spectrum.
3.14 high-strength low-pressure lamps low pressure high output lamp
It refers to the input electric power per cm of arc length of approximately 1.5 W ~ 10 W low-pressure mercury vapor lamp. High-strength low-pressure amalgam lamp is mainly lamps (mercury steam
Vapor from amalgam), the output is mainly 254 nm single-spectrum ultraviolet light, the unit arc output UV power greater than low pressure lamps.
3.15 medium pressure lamps medium pressure lamp
Working pressure of 0.013 MPa ~ 1.3 MPa mercury vapor lamp. Medium pressure lamp input electric power per cm of arc length of approximately 50 W ~ 150
W, the output is a wide spectrum of ultraviolet and visible light.
3.16 UV lamp life operation life of ultraviolet lamp
Under normal conditions, UV light disinfection UV power drops to a certain value (low voltage 70% of rated power, low
High-strength light pressure is 80% of rated power, medium pressure lamps is 70% of rated power) when the accumulated run time.
3.17 UV lamp aging factor lamp aging factor
UV germicidal UV lamp power and the new end of life when the UV lamp operation to the specified operating 100h after UV germicidal power of
Ratio, expressed by CLH.
3.18 scaling factor fouling factor
UV lamps sleeve water disinfection process, since water contamination (e.g., microorganisms, oils, minerals, etc.) is deposited on the surface of the sleeve
Fouling caused sleeve UV transmittance decreased after using specific cleaning method, quartz tube ultraviolet transmittance not use the new
Fouling than quartz tube ultraviolet transmittance of called scaling factor, represented by CJG.
4 Basic requirements
4.1 Manufacturing
UV disinfection apparatus shall be prescribed procedures approved by the drawings and technical documents manufacture, and compliance with this standard.
4.2 Appearance
4.2.1 UV disinfection device surface should be smooth, without irregularities and other significant effect on the appearance of defects.
4.2.2 The paint should be solid uniform, no bubbles, no accumulation and flow marks.
4.2.3 casting surface should be smooth, nonporous, trachoma, obvious cold shut lines and the like.
4.2.4 Electrical wiring should be neat cabinet firmly in line with the provisions of the design drawings, each clearly marked wires exhaustive. Electrical cabinet enclosure shall be non-destructive
hurt.
Raw material and 4.3
4.3.1 Closed UV disinfection device
Used for drinking water and urban sewage recycling water disinfection sterilization chamber closed, the material should be used or not less than 0Cr18Ni9
UV and corrosion resistance equivalent to other materials. For urban sewage, hospital wastewater, livestock wastewater disinfection sterilization chamber closed,
Materials should not be less than 0Cr17Ni12Mo2 or UV resistance and corrosion resistance equivalent to other materials.
4.3.2 Open Channel UV disinfection unit
Underwater parts of other materials or material should not be below 0Cr17Ni12Mo2 anti-corrosive wastewater (such as polytetrafluoroethylene); Water timber parts
Quality should not be less than 0Cr18Ni9 or other material resistance to high salt and humid air corrosion.
4.4 parts
4.4.1 electrical control cabinet
Electrical control cabinet should be able to display the working status of the UV lamp, UV lamp cumulative operating time, the temperature inside the power supply voltage and current and other parameters.
4.4.2 Ballast
UV lamp ballasts should be electronic ballasts. The system uses high-strength low-pressure lamp (amalgam lamps), the electronic ballast output power should be
Adjustable from 50% to 100% range.
4.4.3 UV lamp
4.4.3.1 UV efficiency
New UV lamp efficiency and low-voltage high-strength low-pressure lamps not less than 35%, the efficiency of the new UV medium pressure lamps not less than 15%.
4.4.3.2 UV lamp life
In normal operation and the switch lamp 000 conditions, the low-pressure lamp life is not less than 8 000h, high-strength low-pressure lamp life of not less than 12
000h, medium pressure lamp life is not less than 5 000 h.
4.4.3.3 UV lamp aging factor
In the ultraviolet lamp operating life time, low-pressure lamp aging factor is not less than 70%, the aging factor of high-strength low-pressure lamp is not less than 80%
Medium pressure mercury lamp aging coefficient of not less than 70%.
4.4.4 quartz tube
Quartz tube quartz UV transmittance per mm thickness of not less than 90%.
4.4.5 quartz tube cleaning device
Cleaning device can be adjusted according to need cleaning frequency, cleaning quartz sleeve should be smooth, flexible, no shaking feeling.
4.5 Degree of protection
4.5.1 Closed sterilization chamber pressure
Closed sterilization chamber pressure (pressure) shall be not less than 0.8MPa; no pressure required for ultraviolet disinfection device, the pressure should not small
At 0.2MPa.
4.5.2 UV lamp module degree of protection
Water protection modules and other parts; UV lamp module underwater part of protection not less than the provisions GB 4208 or equivalent grade of IP68
Not below IP65 or equivalent level.
4.5.3 electrical control cabinet Protection class
Open-air use of electrical control cabinet and other functions Cabinet protection rating shall comply with the provisions of GB 4208, and not less than IP65 or equivalent, etc.
Level; electrical control cabinet degree of protection cover and interior should comply with GB 4208 stipulates that not less than IP56 or equivalent level.
4.5.4 Insulation resistance
Distribution lines and control lines of the electrical control cabinet insulation resistance should be not less than 2MΩ.
5 Performance Requirements
5.1 biometric dose
5.1.1 Drinking Water Disinfection
5.1.1.1 UV disinfection device in water quality addition to chlorine and microbiological indicators, other indicators should be consistent with the provisions of GB 5749, and purple
Outside the transmittance T254 is not less than 85%.
When 5.1.1.2 UV disinfection apparatus for disinfection of drinking water, biological validation UV dose should not be less than 40 mJ/cm2, disinfection should be
The Ministry of Health "drinking water disinfectants and disinfection equipment health safety evaluation norms" (Trial) requirements, the water should reach GB 5749
Microbial Indicators corresponding requirements.
5.1.2 urban wastewater disinfection
5.1.2.1 UV disinfection device into the urban sewage should be subject to secondary biological treatment. For an A sewage discharge standards, in addition to microorganisms
Was indexes, the other indicators of water UV disinfection device shall comply with GB 18918 a A, and SS is not more than 10 mg/L,
Ultraviolet transmittance T254 is not less than 65%; for a B and secondary effluent discharge standards, in addition to microbiological indicators, UV disinfection
Other indicators influent devices should meet the GB 18918's requirements, and an SS B is not more than 20 mg/L, no more than two of the SS 30
mg/L, T254 UV transmittance of not less than 50%.
5.1.2.2 UV disinfection apparatus for urban sewage disinfection, for an A emission standards for sewage, UV dose should not be less than
20mJ/cm2; for a B and secondary effluent discharge standards, UV dose should not be less than 15 mJ/cm2. The water should reach GB 18918
Under the microbiological indicators.
5.1.3 city sewage water disinfection
5.1.3.1 UV disinfection device into the city sewage water should be after secondary biochemical precipitation, the water depth treatment, in addition to chlorine and micro
Biological indicators, other indicators should comply with GB/T 18920, and SS is not more than 10 mg/L, an ultraviolet transmittance of not less than T254
65%.
5.1.3.2 When ultraviolet disinfection means for city sewage water disinfection, ultraviolet biometric dose should not be less than 80 mJ/cm2, the
Water should meet the requirements of microbiological indicators GB/T 18920 stipulated.
5.1.4 hospital disinfection
5.1.4.1 UV disinfection device into the hospital sewage should be after secondary biological treatment or other process water depth treatment, arrange for
Discharge sewage discharge standard SS is not more than 20 mg/L, according to discharge sewage pretreatment standards SS is not more than 60mg/L, ultraviolet transmittance T254
Not less than 60%.
When 5.1.4.2 UV disinfection apparatus for disinfection of hospital sewage, biological validation UV dose should not be less than 60 mJ/cm2, the water should be
GB 18466 achieve the appropriate microbiological indicators requirements.
5.1.5 Disinfection livestock farm wastewater
5.1.5.1 UV disinfection device into the livestock farm wastewater should be through other secondary biological treatment or advanced treatment process water,
Quality requirements of SS is not greater than 20 mg/L, T254 UV transmittance of not less than 60%.
When 5.1.5.2 UV disinfection equipment for livestock farms disinfection, biological verification dose UV should not be less than 60 mJ/cm2,
GB 18596 water should meet appropriate microbiological indicators requirements.
5.2 scaling factor
Scaling factor should be greater than 85%.
6 Test methods
6.1 Visual inspection
Visual detection methods.
6.2 electrical control cabinet test
In an energized state, each instrument is working properly, the indicator indicates that all UV lamp normally open.
6.3 UV efficiency
According to the method specified in Annex C of the test.
6.4 UV lamp aging factor
According to the method prescribed in Appendix D test.
6.5 quartz tube ultraviolet transmittance
The method of testing according to Annex E requirements.
6.6 quartz sleeve cleaning device
The water poured into the enclosed reactor cavity or open channel UV reactor modules are installed lamp UV lamp is partially immersed in water in the pool, open
Turn the power on or hand wash push rod. Smooth cleaning process, no significant shake the device.
6.7 Closed sterilization chamber pressure test
Pressure test at the highest non-impact pressure 1.0 MPa pressure maintained in 30 min, and each cavity seal not leak. When operating pressure
When the force is not more than 0.4 MPa, the pressure test can be kept 30 min at 1.5 times the working pressure cavity and each seal must not leak.
6.8 Degree of protection
According to the method test GB 4208 regulations.
6.9 Insulation resistance measurement
Were measured with 500V megger distribution lines and control lines of the electrical control cabinet insulation resistance is not less than 1 meter accuracy.
6.10 biometric dose
According to GB/T 19837 method, the specific operation by the method specified in appendix B tests.
6.11 scaling factor
According to GB/T 19837-2005 Test Method B of Appendix.
6.12 watery ultraviolet transmittance T254
The UV-Vis spectrophotometer to test the transmission gear, test and adjust the wavelength to 254 nm. Pure water as blank, poured into 1cm
Pathlength quartz cuvette, transmittance was adjusted to 100%, will be replaced by pure water samples tested, reading photometer is the measured water samples ultraviolet
Transmittance.
7 Inspection rules
7.1 Inspection classification
Test type test and factory inspection sub-categories.
7.1.1 factory inspection
7.1.1.1 equipment in the factory and the project should be required detection method by one test before the factory inspection. Each installed UV disinfection
Set product certification and shall be accompanied by instructions for use.
7.1.1.2 factory inspection items and test methods are shown in Table 1.
7.1.2 Type inspection
7.1.2.1 When one of the following conditions, type of inspection should be carried out.
a) The new production trial or old products to the plant;
There are major changes b) the product structure, materials, main components, processes, etc., may affect product performance;
c) Normal production, every three years;
d) Product Discontinuance more than three years, the production recovery;
e) factory test results with the previous type inspection when there is a big difference.
Type inspection items and methods 7.1.2.2 UV disinfection device shown in Table 1.
7.1.2.3 for processing greater than 80m3/h of equipment from the factory inspection qualified products in Taiwan random sampling; the handling capacity of less than
80 m3/h of equipment from the factory inspection of a random sample of three products.
Table 1 Test items and test methods
No. Test item Test type requires test methods
Type test factory inspection
1 Appearance √ √ 4.2 6.1
2 raw materials and materials √ √ 4.3 Supplier test report
3 electrical control cabinet √ √ 4.4.1 6.2
4 UV efficiency √ - 4.4.3.1 6.3
5 UV lamp aging factor √ - 4.4.3.3 6.4
6 quartz tube √ - 4.4.4 6.5
7 quartz sleeve cleaning device √ - 4.4.5 6.6
8 Closed sterilization chamber pressure √ - 4.5.1 6.7
9 protection class √ - 4.5.2 4.5.3 6.8
10 Insulation Resistance √ √ 4.5.4 6.9
11 biometric dose √ - 5.1 6.10
7.2 determine the rules
7.2.1 factory inspection if a failure can not be manufactured.
7.2.2 Type test if a failure should double sampling, and failed items tested; if still fail, it is judged substandard
grid.
8 signs, packaging, transportation and storage
8.1 mark
Signs shall comply with GB/T 13306 of. Packaging - Pictorial signs should be consistent with the provisions of GB/T 191's.
8.2 Packaging
8.2.1 UV disinfection device packaging should comply with GB/T 13384 of.
8.2.2 Electrical accessories packaging should comply with GB/T 15464 of.
8.2.3 Instructions shall comply with the provisions of GB 9969.1.
8.3 Transportation and Storage
Transport 8.3.1 UV disinfection devices should gently, the way can not drag, throw touch.
8.3.2 UV lamp during transport to avoid the rain and snow shower hit and strong mechanical vibration.
8.3.3 UV lamp should be stored in a relative humidity less than 85% and well-ventilated indoor air should not corrosive gases. UV extinction
The main components with zero toxicity means should be stored in a clean dry warehouse, to prevent moisture deterioration.
Appendix A
(Normative)
UV dose - response curve test
A.1 Scope
This method is applicable to microorganisms UV dose - response curve test.
A.2 Principle
Microbial samples by different doses of UV radiation obtained after inactivation of different levels, the relationship between UV dose and deactivation levels with song
Lines, and called UV dose - response curve.
A.3 equipment and materials
A.3.1 parallel light ultraviolet radiometer.
Parallel light ultraviolet radiometer (collimated beam apparatus) it is mainly composed of UV light box, parallel radiation cylinder, magnetic stirrer
Mixed with other components, as shown in Figure A.1. UV lamp (40 W low-voltage lamps) installed in the box to shield ultraviolet radiation. And connected to Lightbox
Parallel radiation cylinder (inner diameter of about 10 cm), for guiding the ultraviolet light parallel to the length can be adjusted to the sample surface ultraviolet
Adjustable intensity. End of the barrel is equipped with radiation shielding plate is used to control UV irradiation time. A sample solution containing microorganisms in......
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