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Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. JY/T 0593-2019: Technical requirements and specifications on the drinking water equipment with membrane treatment for primary and middle schools Status: Valid
Basic dataStandard ID: JY/T 0593-2019 (JY/T0593-2019)Description (Translated English): Technical requirements and specifications on the drinking water equipment with membrane treatment for primary and middle schools Sector / Industry: Education Industry Standard (Recommended) Classification of Chinese Standard: Y52 Word Count Estimation: 16,126 Date of Issue: 2019-04-08 Date of Implementation: 2019-09-01 Regulation (derived from): Natural Resources Department Announcement No. 7 of 2019 Issuing agency(ies): Ministry of Education of the People's Republic of China JY/T 0593-2019: Technical requirements and specifications on the drinking water equipment with membrane treatment for primary and middle schools---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 requirements and equipment specifications for membrane treatment drinking water equipment in primary and secondary schools) ICS 03.180 Y 52 Education Industry Standard of the People's Republic of China JY/T 0593―2019 Technical requirements for drinking water equipment for membrane treatment in primary and middle schools And equipment specifications Technical requirements and specifications on the drinking water equipment with membrane treatment for primary and middle schools Published.2019-04-04 2019--09--01 implementation Published by the Ministry of Education of the People's Republic of China JY ContentsForeword ... I Introduction ... III 1 Scope ... 1 2 Normative references ... 1 3 Terms and definitions ... 2 4 Classification ... 4 5 Requirements ... 4 6 Design, installation and construction requirements of membrane treatment drinking water equipment ... 7 7 Membrane treatment drinking water equipment requirements and emergency treatment for primary and secondary schools ... 7 8 Test methods ... 9 9 Signs, instructions for use, packaging, transport and storage ... 11 Appendix A (Normative Appendix) Application Recommendations and Technical Requirements for Reverse Osmosis Purification Methods ... 12ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some elements of this document may involve patents. The issuer of this document is not responsible for identifying these patents. This standard is proposed by the Basic Education Department of the Ministry of Education of the People's Republic of China. This standard is under the jurisdiction of the National Technical Committee for Educational Equipment Standardization (SAC/TC 125). This standard was drafted. China Education and Logistics Association Primary and Secondary School Logistics Branch, Ministry of Education Educational Equipment Research and Development Center, Ministry of Education School Planning and Construction Development Center, Hunan Changxiang Industrial Co., Ltd., Beijing Bishuiyuan Water Purification Technology Co., Ltd., Suzhou Yadu Water Purification Technology Co., Ltd. Company, Midea Qinghu Water Purification Equipment Co., Ltd., Shanghai Weipaig Smart Water Co., Ltd., Beijing Bama Water Ecological Technology Co., Ltd. Company, Shanghai Shuicheng Environmental Protection Technology Co., Ltd., Changsha Water Cup Direct Drinking Water Engineering Equipment Co., Ltd., Shanghai Haoze Water Purification Technology Development Co., Ltd. Company, Hebei Hongjia Environmental Protection Equipment Co., Ltd. The main drafters of this standard. Shen Yingqi, Zhang Haixin, Xin Yan, Shi Yaya, Zheng Guangtian.IntroductionIn order to ensure the health of teachers and students and the hygiene and safety of drinking water, to ensure the construction quality of the school ’s membrane treatment drinking water project, and to ensure the membrane treatment The normal operation of drinking water management equipment improves the school's management level of membrane treatment drinking water equipment maintenance and water quality monitoring, and at the same time standardizes school membranes. This standard is specially formulated for the processing of drinking water equipment. This standard is implemented in conjunction with sanitary standards for drinking water and water quality standards for drinking water. Technical requirements and specifications for membrane treatment drinking water equipment in primary and secondary schools1 ScopeThis standard specifies the terms and definitions, classification, technical requirements, installation and construction requirements of membrane treatment drinking water equipment used in primary and secondary schools, Equipment requirements and emergency treatment, test methods and signs, instructions for use, packaging, transportation and storage. This standard applies to newly-built, rebuilt, and expanded ordinary primary and secondary schools, secondary normal schools, and preschool normal schools. The integrated one-piece and central processing pipeline decentralized water supply membrane treatment drinking water equipment installed in canteens and dormitories.2 Normative referencesThe following documents are the basis for the development of this standard. For dated references, only the dated version applies to this document. Whatever is not Date cited documents, the latest version of which (including all amendments) apply to this document. GB/T 4214.1-2017 General requirements for noise test methods for household and similar electrical appliances. Part 1. General requirements GB 4706.1-2005 Safety of household and similar electrical appliances. Part 1. General requirements GB 4806.1 National Food Safety Standard General Safety Requirements for Food Contact Materials and Products GB 4806.7 National Food Safety Standard Food Contact Plastic Materials and Products GB 4806.9 National Food Safety Standard Metal Materials and Products for Food Contact GB 4806.11 National Food Safety Standard Rubber Materials and Products for Food Contact GB 5749 Sanitary Standard for Drinking Water GB/T 5750 (all parts) Standard test method for drinking water GB/T 9969 General Instructions for Use of Industrial Products GB/T 17219 Safety Evaluation Standards for Drinking Water Distribution Equipment and Protective Materials GB 18145-2014 ceramic sheet sealing nozzle GB/T 18202 Hygienic Standard for Ozone in Indoor Air GB/T 19837-2005 Ultraviolet disinfection equipment for urban water supply and drainage GB/T.20103-2006 Technical terms of membrane separation GB 28232-2011 safety and health standards for ozone generators GB/T 30307-2013 Household and similar drinking water treatment equipment GB 50015-2003 Design Code for Water Supply and Drainage of Buildings (2009 Edition) GB 50099-2011 design specifications for primary and secondary schools GB 50169 Code for construction and acceptance of grounding devices for electrical installations GB 50254 Code for Construction and Acceptance of Low Voltage Electrical Apparatus for Electrical Installation CJ/T 94 drinking water quality standard CJJ/T 110-2017 Technical Regulations for Pipeline Drinking Water System in Buildings and Communities JB/T 7387 Electric control valve for industrial process control system JY/T 0001-2003 General quality requirements for teaching instruments and equipment products3 terms and definitionsThe terms and definitions defined in GB/T 19837, GB/T.20103, GB/T 30307, CJJ/T 110 and the following apply to this document. for In order to facilitate the use, some terms and definitions in GB/T 19837, GB/T.20103, GB/T 30307, and CJJ/T 110 are repeatedly listed below. 3.1 Drinking water equipment with membrane treatment The municipal tap water or water that meets the sanitary standards of domestic drinking water is used as raw water, filtered and disinfected through membranes, and the product water can satisfy drinking Water treatment and water supply equipment with purified water quality standards. 3.2 Raw water Drinking water without deep purification treatment or any water with similar quality to drinking water. [CJJ/T 110-2017, definition 2.1.2] 3.3 Drinking water Raw water can be directly consumed by users after centralized treatment such as deep purification and disinfection. [CJJ/T 110-2017, definition 2.1.3] 3.4 Concentrated water After the raw water is purified, the water with higher soluble solid content and higher ion concentration is left. [GB/T.20103-2006, definition 2.3.3] 3.5 Purified water flow rate Under specified operating conditions, the water production volume per unit time stated by the manufacturer is in litres per hour (L/h) or litres per minute (L/min). [GB/T 30307-2013, definition 3.21] 3.6 Total production capacity Under the specified operating conditions, when the effluent quality of the drinking water treatment device meets the requirements and the purified water flow is not less than the nominal purified water flow, Cumulative water production when any purification unit is regenerated or replaced, the unit is liter (L). [GB/T 30307-2013, definition 3.22] 3.7 Ultraviolet disinfection The pathogenic microorganism absorbs ultraviolet energy between.200nm and 280nm, and its genetic material (nucleic acid) is mutated to cause cells. No longer divide and reproduce, and achieve the purpose of disinfection. [GB/T 19837-2005, definition 3.2] 3.8 Ozone disinfection Ozone dissolved in water has a strong ability to oxidize. It can oxidize and break down the internal glucose of bacteria, destroy the metabolism of bacteria, Into the cells, the bacteria undergo permeation distortion and dissolve and die, so as to achieve the purpose of disinfection and sterilization. 3.9 Membrane membrane A thin barrier with certain physical or chemical characteristics on the surface, which forms a discontinuous interval between two adjacent fluids and affects the fluid Transmission speed of each component. [GB/T.20103-2006, definition 2.1.1] 3.10 Filtration Water passes through a filter medium with a certain porosity, and suspended matter and dissolved matter in the water are trapped on the surface or inside of the medium to remove water The process of suspended matter and dissolved matter. 3.11 Ultrafiltration The process of using pressure as the driving force to separate solutes and particles with molecular weights ranging from several hundred to several million is referred to as UF for short. [GB/T.20103-2006, definition 5.2.1] Note. Ultrafiltration can realize flushing and backwashing, and the service life is relatively long. 3.12 Nanofiltration Using pressure as the driving force, it is used to remove polyvalent ions, some monovalent ions and organic matter with molecular weight of.200 ～ 1000. Called NF. [GB/T.20103-2006, definition 4.2.3] 3.13 Reverse osmosis Above the osmotic pressure, the solvent (such as water) enters the low-pressure side of the membrane through the semi-permeable membrane, and other components (such as salts) in the solution It is blocked on the high-pressure side of the membrane; and it is discharged with the concentrated solution to achieve an effective separation process, referred to as RO. [GB/T.20103-2006, definition 4.2.2] 3.14 Salt rejection Represents the ability to remove the feed liquid salt. Note. Characterize the total dissolved solids (TDS) amount of the membrane removed in reverse osmosis and nanofiltration membrane methods, expressed as a percentage. [GB/T.20103-2006, definition 2.2.11] 3.15 Water recovery After treatment by water treatment equipment, the percentage of production water (product water) and total water supply (raw water entering the treatment device) Percentage. [GB/T.20103-2006, definition 2.2.12] 3.16 Maximum working pressure The manufacturer claims that the maximum value of the working pressure or the upper limit of the working pressure range is used, in megapascals (MPa). 3.17 Ceramic cartridge faucets Water nozzles of various materials with ceramic disc valve as the sealing member. 3.18 Total dissolved solids TDS (abbreviation) After the water sample is filtered and dried at a certain temperature, the resulting solid residue is called soluble total solids, including non-volatile soluble Salts, organic matter, and insoluble particles that can pass through the filter.4 Classification4.1 According to the water supply method, it is divided into. integrated integrated water supply equipment and central processing pipeline distributed water supply equipment. 4.2 According to the membrane treatment method, it is divided into. ultrafiltration treatment equipment, nanofiltration treatment equipment and reverse osmosis treatment equipment.5 Requirements5.1 Appearance and structural requirements 5.1.1 The appearance should be clean, neat, no burrs, no sharp angles, no stains, no rust. 5.1.2 Welding parts shall not be leaked or leaked. The mechanical devices of all parts and components, assembly connectors and fasteners shall not be loose. 5.1.3 The pressure vessel shall be free from defects such as bumps and deformations. 5.1.4 The action of the valve and its moving parts shall be flexible and reliable. 5.1.5 The ladder pipes of the central processing pipeline decentralized water supply equipment shall be installed securely and provided with safety devices to prevent falling. 5.1.6 The measuring instrument's measuring range and accuracy must meet the factory's nominal requirements. 5.1.7 The appearance and structure shall also meet the relevant requirements of Chapters 5 and 6 of JY/T 0001-2003. 5.2 Technical requirements for water treatment equipment 5.2.1 Membrane treatment drinking water equipment should adopt ultrafiltration and nanofiltration filtration methods. For the application recommendations of equipment using reverse osmosis filtration method, please refer to the appendix. A. 5.2.2 The product water of the central processing pipeline decentralized water supply equipment shall be circulated and directly supplied after disinfection and sterilization. The integrated water supply equipment should have the function of UV disinfection of product water. 5.2.3 The outlet water of the equipment should be normal temperature water, hot water or boiling water. 5.2.4 The hot water shall have an outlet temperature control and adjustment device, which can be adjusted within the range of 35 ℃ ~ 65 ℃. The outlet temperature should be ± 5 ℃ Inside. 5.2.5 The boiling water outlet temperature should be ≥92 ℃, and the equipment used in primary schools should be set with the use permission control switch. It should be added to prevent repeated boiling. And other functions. 5.2.6 The actual purified water flow of drinking water terminal equipment should be greater than the nominal purified water flow. 5.2.7 Desalination rate Under the nanofiltration treatment method, the desalination rate should be in the range of 50% to 90%. 5.2.8 Water recovery rate The water recovery rate of the nanofiltration method should not be less than 3 (see Table 1). Table 1 Grades of water purification recovery rate of nanofiltration drinking water treatment equipment Recovery rate Level 1 ＞ 80% Level 2 ≥ 65% Level 3 ≥ 50% 5.2.9 Nanofiltration and reverse osmosis equipment can be equipped with concentrated water collection devices to collect concentrated water and connect it to the water system for convenient reuse (For daily washing and dust reduction in schools). 5.2.10 There shall be a one-way pressure relief air release safety valve in the sealed water treatment system. The working pressure should be within the normal allowable pressure range and should not Exceed 80% of the maximum working pressure value; a special intake air filter should be installed on the negative pressure intake valve. 5.2.11 When the ultraviolet disinfection device is selected, the effective ultraviolet measurement should not be lower than 40 mJ/m2; it should meet the requirements of GB/T 19837, and Install a UV failure monitoring device. If the UV lamp fails, the water supply should be stopped immediately. 5.2.12 When selecting ozone disinfection device, choose the best dosage and contact time according to different water quality conditions. Dosage should be. clean water When the dissolved ozone is 0.1 mg/L ～ 0.5 mg/L, the contact time should be 5 min ～ 10 min, which should meet the requirements of GB 28232-2011. Requirements of 6.4.2.2. 5.2.13 Noise The noise of the integrated water supply equipment should not be greater than 50 dB; the noise of the unit of the central processing pipeline dispersed water supply equipment should not be greater than 75 dB. 5.2.14 The heated water tank and piping part shall be covered with insulation material to meet the requirements of energy saving. 5.2.15 It should be equipped with automatic start-up and start-up, shutdown protection when the inlet water pressure is insufficient, shutdown when the water is full, and automatic timing boiling water flushing with safety protection. Poison and other devices. 5.3 Requirements for passing water containers, wading parts and pipes 5.3.1 The equipment and the water filter element should have the sanitary permit approval issued by the health department at or above the provincial level (including the provincial level); other water-related parts should have Test or report qualified according to GB/T 17219. 5.3.2 The water inlet pipeline of the equipment shall be set separately and the pressure shall be 0.1 MPa ～ 0.4 MPa. If the pressure of the inlet water is too low, a booster pump shall be installed. 5.3.3 The wading materials in the equipment shall meet the requirements of GB 4806.1. 5.3.4 Pipes and components using plastic materials shall meet the requirements of GB 4806.7. 5.3.5 The stainless steel parts of the equipment's water tanks, valves, pipes, connectors, heating tanks and the product in contact with water should comply with GB 4806.9 Requirements. Pipeline connections should not cause bacterial retention and accumulation of other particles, and should minimize unevenness inside the pipeline. 5.3.6 Parts made of rubber materials shall meet the requirements of GB 4806.11. 5.3.7 The passing water container and connection seal shall be free of leakage and damage under the working pressure of 0.4 MPa. 5.3.8 Water tanks, pipes, valves and parts in contact with water in the equipment should be washed, degreased, decontaminated and installed before installation. Disinfection and sterilization. Sealed after disinfection, and identify the operator's department, job number, signature or seal. 5.3.9 Before using the new equipment, the filter element should not be subjected to water detection. There should be no residual water drops inside the pipes, and the surface should be dry and clean. 5.3.10 The equipment should be provided with a measuring device for the total water purification volume, and it should be equipped with automatic water purification flow statistics or running time counting (remind the filter element for more (Change) device. The filter element should be replaced in a timely manner in accordance with the design replacement cycle and actual working parameters to avoid secondary pollution. 5.3.11 A circulating pump should be set inside the central processing pipeline water purification equipment system, so that the purified water is continuously circulated in the system, at least in accordance with The requirements of 5.0.9 in CJJ/T 110-2017 ensure that the purified water is continuously sterilized by the disinfection device. Should minimize the number of branch pipes The length should at least meet the requirements of 5.0.13 in CJJ/T 110-2017. 5.3.12 Other pipeline materials and components in contact with water shall meet the requirements of GB/T 17219. 5.4 Requirements for water nozzles 5.4.1 The switch of the special water nozzle shall be flexible and effective, and there shall be no leakage or damage under the working pressure of 0.4 MPa. 5.4.2 The nozzles at the extreme ends should be ≥200 mm from the wall, and the nozzle distance should be ≥350 mm. 5.4.3 The height of the water outlet switch should be set to the average height of the students who use water, 0.7 m to 1.5 m from the ground, for the ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of JY/T 0593-2019_English be delivered?Answer: Upon your order, we will start to translate JY/T 0593-2019_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. 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