GB 51035-2014 English PDF
Basic dataStandard ID: GB 51035-2014 (GB51035-2014)Description (Translated English): Code for installation and acceptance of pure water system of electronic industry Sector / Industry: National Standard Word Count Estimation: 126,170 Date of Issue: 12/2/2014 Date of Implementation: 8/1/2015 Quoted Standard: GB 50168; GB 50184; GB 50205; GB 50231; GB 50235; GB 50300; GB 50303; GB 50646; GB/T 5750.4; GB/T 11446.4; GB/T 1146.5; GB/T 1146.6; GB/T 1146.7; GB/T 1146.8; GB/T 1146.9; GB/T 1146.10 Regulation (derived from): Housing and Urban-Rural Development Ministry Bulletin No. 590; Housing and Urban-Rural Development Ministry Bulletin No. 590 Issuing agency(ies): Ministry of Housing and Urban-Rural Development of the People's Republic of China; General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China Summary: This standard applies to new construction, renovation, installation and commissioning of the expansion of electronic industrial water systems. GB 51035-2014: Code for installation and acceptance of pure water system of electronic industry---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.1 General 1.0.1 In order to standardize the construction management of the pure water system installation project in the electronics industry, unify the acceptance of the construction quality of the project, and ensure the quality of the project, this specification is formulated. 1.0.2 This specification is applicable to the installation and acceptance of newly-built, rebuilt and expanded electronic industry pure water systems. 1.0.3 The construction of the pure water system shall be carried out in accordance with the approved construction drawings, relevant technical standards and technical content agreed in the contract, and the revision of the construction drawings shall be accompanied by the design change notice or technical approval certificate of the design unit. 1.0.4 The installation and acceptance of the pure water system project shall not only comply with the provisions of this code, but also comply with the relevant current national standards. 2 Terms and abbreviations 2.1 Terminology 2.1.1 pure water system of electronic industry The general term for the system composed of preparation equipment, pipelines, electrical appliances and corresponding instruments to prepare pure water and ultrapure water required for the production of the electronics industry. 2.1.2 Multi media filter multi media filter Under a certain pressure, the water passes through the multi-layer medium filled in the equipment, and the device that intercepts impurities such as suspensions and flocs in the water through the pores between the media. 2.1.3 active carbon filter active carbon filter Activated carbon filter belongs to pressure filter equipment, which is filled with activated carbon with large specific surface area and physical adsorption and chemical adsorption functions. By using its comprehensive adsorption effect, it is a device to remove organic matter, residual chlorine, chroma and odor in water. 2.1.4 reverse osmosis unit reverse osmosis unit Under the action of external pressure, a semi-permeable membrane is used to selectively permeate water molecules and other substances from the high concentration side to the low concentration side, so that most of the dissolved solids (salts), organic matter, colloids and particles Equipment composed of membranes and components that are intercepted and removed. 2.1.5 electrodeionazation Using the action of an electric field, the anions and cations in the water are oriented to migrate and selectively pass through the anion exchange membrane and the cation exchange membrane, forming a pure water compartment and a concentrated water compartment between the anion exchange membrane and the cation exchange membrane, while using the hydrogen generated by the electrolysis of water Ions and hydroxide ions continuously regenerate the failed working layer resin, thereby continuously removing ions in water without the need for a special regeneration desalination device. 2.1.6 mixed bed Mixed bed is also called mixed ion exchange tower, which mixes anion and cation exchange resins in a certain proportion and fills them in the same equipment to exchange and remove various anions and cations in water, so as to produce high-purity pure water. installation. 2.1.7 Ultraviolet sterilization A device that uses ultraviolet radiation with a wavelength of 254nm to kill live bacteria in water. 2.1.8 Ultraviolet TOC removal A device for degrading total organic carbon (TOC) in water by ultraviolet irradiation with a wavelength of 185nm. 2.1.9 membrane degasifier membrane degasifier A device that uses membrane separation technology to reduce volatile dissolved substances in water. 2.1.10 ultrafiltration ultrafiltration It refers to a membrane separation device that uses an asymmetric membrane to remove high-molecular substances or colloids with a relative molecular weight of 6,000 to 500,000 in water under the action of external pressure. 2.1.11 Resistivity The resistance value of a water column with a cross-sectional area of 1cm2 and a length of 1cm at 25°C, the commonly used unit of resistivity is MΩ·cm. The higher the purity of water, the greater the resistivity. 2.1.12 particle size The number of particles larger than or equal to a certain particle size in a unit volume of water. 2.1.13 TOC total organic carbon The content of organic substances in water is expressed by the amount of carbon, the main element in organic matter. 2.1.14 residual chlorine residual chlorine Refers to the chlorine remaining in the water after the water has been in contact with the chlorine-based disinfectant for a certain period of time. 2.1.15 Silt density index The blocking rate of a certain volume of water sample passing through a specific microporous membrane filter within a standard pressure and a standard time period. The measurement cycle usually adopted is 15 minutes, and its corresponding silting index is called SDI15. 2.2 Abbreviations ACF - Active carbon filter Cl-PVC——Clean Polyvinyl Chloride EDI - Electrodeionazation FRP - Fiberglass-Reinforced Plastics MB——Mixed bed MDG - Membrane degasifier (Membrane degasifier) MMF - Multi media filter (Multi media filter) PFA - soluble polytetrafluoroethylene (Polyfluoroalkoxy) PP - Polypropylene (Polypropylene) PVC - polyvinyl chloride (Polyvinyl Chloride) PVDF - polyvinylidene difluoride (Polyvinylidene difluoride) RO - reverse osmosis (Reverse osmosis) TOC - total organic carbon (Total organic carbon) TOC-UV——Ultraviolet TOC removal UF - ultrafiltration (Ultrafiltration) UV—Ultraviolet sterilization 3 Equipment installation3.1 General provisions 3.1.1 The construction site should have a corresponding construction management system, quality management system, quality control and inspection system, and technical documents such as approved construction organization design (construction plan). 3.1.2 The installation of equipment shall be carried out according to the prescribed procedures, and the handover inspection shall be carried out between the relevant professional processes, and a written record shall be formed. If the previous process has not passed the inspection, the construction of the next process shall not be carried out. 3.1.3 The packing list of the main equipment, product quality certificate, performance test report and product manual and other accompanying documents and accessories should be complete, and the imported equipment should also have the certificate of passing the commodity inspection. All openings of the equipment should be well sealed, and an acceptance record should be formed after on-site acceptance. 3.1.4 Before the equipment is put in place, the equipment foundation should be checked and accepted. The overall size, coordinate position, elevation and flatness of the equipment foundation should meet the design requirements. 3.1.5 Before the equipment is installed, the epoxy coating, FRP coating or the bottom layer of the coating of the equipment foundation should be completed and the curing period should be reached. 3.1.6 The handling and hoisting of equipment shall comply with the relevant regulations of the product, and effective protection measures shall be taken for the equipment. 3.1.7 The seal of the opening of the equipment shall not be opened before the interface piping is carried out. 3.1.8 After the equipment is in place, there should be a clear mark indicating the status and precautions of the equipment, and the fragile parts of the equipment should be protected by wrapping with soft objects. 3.1.9 The inlet and outlet of the ultraviolet sterilizing device and the ultraviolet TOC removal device should be installed with stainless steel L-shaped or S-shaped pipelines. 3.1.10 The equipment installation of the pure water system in the electronics industry shall not only comply with the provisions of this specification, but also comply with the relevant provisions of the current national standard "General Specifications for Construction and Acceptance of Mechanical Equipment Installation Engineering" GB 50231. 3.2 Installation of non-metallic equipment 3.2.1 This section applies to the installation and quality inspection of water tanks, towers and tanks made of glass fiber reinforced plastics and other plastic materials in the pure water system of the electronics industry. 3.2.2 When hoisting and installing non-metallic equipment, iron tools should not be used to hit the equipment body. Ⅰ Master Control Item 3.2.3 The type, specification, quantity and quality of the equipment shall meet the requirements of the design technical documents. Inspection Quantity. Full inspection. Inspection method. check and observe according to the design documents, and check the quality certification documents of the equipment. 3.2.4 The location, size and flatness of the equipment foundation shall meet the design requirements. Inspection Quantity. Full inspection. Inspection method. check according to the design documents, check the foundation construction records, tape measure inspection and visual inspection. 3.2.5 After the water tanks, towers, tanks, and PVDF-lined water tanks made of glass fiber reinforced plastics and other plastic materials are fixed and installed, there must be no cracking, deformation, damage, or detachment of the PVDF lining on the outside. Inspection Quantity. Full inspection. Inspection method. observation inspection. 3.2.6 When installing the equipment, the bottom of the flat-bottomed equipment should be covered with a rubber plate with a thickness greater than or equal to 5mm or fine sand with a thickness of 50mm. Inspection Quantity. Full inspection. Inspection method. check according to design documents, measuring tape and visual inspection. 3.2.7 The non-pressurized water tank shall be subjected to a full water test, and the full water test time shall not be less than 24 hours. Inspection Quantity. Full inspection. Inspection method. full water test, observe and check whether there is leakage and deformation. Ⅱ General Items 3.2.8 After the equipment is installed in place, it should be fixed with expansion bolts or chemical anchor bolts, and should be locked with double nuts, but the nuts in contact with the equipment should not be over-tightened. Inspection Quantity. Full inspection. Inspection method. observation inspection. 3.2.9 After the equipment is fixed, the gap between the equipment with the rubber plate at the bottom and the foundation ground should be filled with flexible materials such as sealant. Inspection Quantity. Full inspection. Inspection method. observation inspection. 3.2.10 The allowable deviation of non-metallic equipment installation shall comply with the provisions in Table 3.2.10. Inspection Quantity. Full inspection. Inspection method. It shall meet the requirements in Table 3.2.10. Table 3.2.10 Permissible deviation and inspection method for installation of non-metallic equipment 3.2.11 The accessories of the equipment should be complete, and the installation should be firm and meet the design requirements. Inspection Quantity. Full inspection. Inspection method. check according to the design documents, observe and inspect. 3.3 Carbon steel equipment installation 3.3.1 This section applies to the installation and quality inspection of carbon steel equipment made of carbon steel and lined with rubber, PVC and other plastic materials or coated with epoxy paint. 3.3.2 During equipment handling, hoisting and installation, iron tools should not be used to hit the equipment body. Ⅰ Master Control Item 3.3.3 The quality of equipment welding, inner lining and inner coating shall meet the design requirements. Inspection Quantity. Full inspection. Inspection method. Check and observe according to the requirements of the design documents. The quality of the inner lining should be checked by an electric spark detector, and the quality of the inner coating should be checked by a thickness gauge. 3.3.4 The materials of accessories and connecting screws in the equipment shall meet the design requirements. Inspection Quantity. Full inspection. Inspection method. observe and inspect, and check the quality certification documents. 3.3.5 The installation of equipment shall meet the following requirements. 1 The installation direction of the equipment should meet the design requirements, the peep mirror is easy to observe, and the manhole is easy to operate and open; 2 The installation of the equipment should be stable, and the type, specification and quantity of the fixing bolts should meet the design requirements; 3 The periphery of the equipment installation bottom plate should be sealed with sealant. Inspection Quantity. Full inspection. Inspection method. check and observe according to the design documents, and check the quality certification documents. 3.3.6 When accessories, platforms, ladders, etc. are connected to the equipment, connection methods that generate high temperature such as electric welding shall not be used. Inspection Quantity. Full inspection. Inspection method. observation inspection. Ⅱ General Items 3.3.7 The allowable deviation of carbon steel equipment installation shall comply with the provisions in Table 3.3.7. Inspection Quantity. Full inspection. Inspection method. It shall meet the requirements in Table 3.3.7. Table 3.3.7 Permissible deviation and inspection method for installation of carbon steel equipment 3.3.8 The installation and fixation of the equipment should be locked with double nuts, and the nuts should be tightened after the equipment is adjusted and leveled. Inspection Quantity. Full inspection. Inspection method. observation inspection. 3.3.9 Accessories, platforms and ladders should be complete and installed firmly. Inspection Quantity. Full inspection. Inspection method. check according to the design documents, observe and inspect. 3.4 Installation of stainless steel equipment 3.4.1 This section applies to the installation and quality inspection of equipment made of stainless steel. 3.4.2 Soft objects should be used for protection when the equipment is moved, and soft nylon slings should be used for hoisting. Ⅰ Master Control Item 3.4.3 The equipment's external surface treatment, internal welds, degreasing treatment, and internal surface cleanliness should meet the design requirements. Inspection Quantity. Full inspection. Inspection method. observe and inspect, the quality and cleanliness of the degreasing treatment should be checked by wiping with a clean cloth. 3.4.4 The material of the accessories and connecting screws in the equipment should be consistent with the material of the equipment body. Inspection Quantity. Full inspection. Inspection method. observe and inspect, and check the quality certification documents. 3.4.5 The installation of equipment shall comply with the provisions of Article 3.3.5 of this code. Inspection Quantity. Full inspection. Inspection method. check and observe according to the design documents, and check the quality certification documents. Ⅱ General Items 3.4.6 The expansion bolts or chemical anchor bolts used for fixing equipment shall be made of stainless steel. 3.4.7 The allowable deviation of equipment installation shall comply with the provisions in Table 3.3.7 of this specification. Inspection Quantity. Full inspection. Inspection method. It shall comply with the provisions in Table 3.3.7 of this code. 3.5 Pump and fan installation 3.5.1 This section is applicable to the installation and quality inspection of pumps for transporting water, sludge, and pharmaceuticals in the system, as well as fans for backwashing, blasting, and aeration. Ⅰ Master Control Item 3.5.2 The specifications, models and technical parameters of water pumps and fans shall meet the requirements of the design documents. Inspection Quantity. Full inspection. Inspection method. check according to the design drawings, and check random documents such as performance test reports. 3.5.3 For water pumps that require degreasing, the degreasing and cleaning treatment shall meet the requirements of the design documents. Inspection Quantity. Full inspection. Inspection method. check according to the design documents, and check the relevant accompanying documents of the pump. 3.5.4 The normal continuous test run time of the water pump should not be less than 2 hours, and the temperature rise of the bearing and the motor during the test run should meet the requirements of the equipment technical documents. Inspection Quantity. Full inspection. Inspection method. It should be detected by a temperature detector. Ⅱ General Items 3.5.5 The allowable deviation of water pump installation shall comply with the provisions in Table 3.5.5. Inspection Quantity. Full inspection. Inspection method. It should meet the requirements in Table 3.5.5. Table 3.5.5 Permissible deviation and inspection method for pump installation 3.5.6 The allowable deviation of the two shaft cores of the water pump coupling shall comply with the provisions in Table 3.5.6. Inspection Quantity. Full inspection. Inspection method. It shall meet the requirements in Table 3.5.6. Table 3.5.6 Allowable Deviation and Inspection Method of Two Shaft Cores of Water Pump Coupling 3.5.7 The installation of the water pump shall meet the following requirements. 1 The material of the fixing bolts should meet the requirements of the design documents, and should be vertical and tightened, and should be in close contact with the equipment base; 2 For the water pump with shock absorber, the connection between the shock absorber and the water pump and the water pump foundation should be firm, stable and in close contact. Inspection Quantity. Full inspection. Inspection method. observation inspection. 3.5.8 The allowable deviation of fan installation shall comply with the provisions in Table 3.5.8. Inspection Quantity. Full inspection. Inspection method. It shall meet the requirements in Table 3.5.8. Table 3.5.8 Permissible deviation and inspection method for fan installation 3.5.9 Fan installation should meet the following requirements. 1 The air inlet of the fan should be provided with a simple filter; 2.Shock absorbers should be installed for fan installation, the ground where the shock absorbers are installed should be flat, and the compression of each group of shock absorbers under load should be uniform. Inspection Quantity. Full inspection. Inspection method. observation inspection. 3.6 Assembly equipment installation 3.6.1 This section is applicable to the installation and quality inspection of reverse osmosis equipment, microfiltration, ultrafiltration, electric desalination equipment, membrane degassing equipment, assembled ultraviolet disinfection equipment, and assembled ultraviolet TOC removal equipment. Ⅰ Master Control Item 3.6.2 The installation of assembled equipment shall meet the following requirements. 1 The model, specification and quantity of the components shall meet the requirements of the design documents; 2 The installation of components and instruments shall meet the relevant requirements of the product; 3 The specification, position and direction of the equipment pipeline interface shall meet the requirements of the design documents; 4 The equipment should be firmly fixed. Inspection Quantity. Full inspection. Inspection method. check according to the design drawings, observe and inspect. 3.6.3 The membrane parts of the ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 51035-2014_English be delivered?Answer: Upon your order, we will start to translate GB 51035-2014_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. 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