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Foreword This standard is based on the requirements of the Ministry of Housing and Urban-Rural Development "Notice on the Issuance of 2014 Engineering Construction Standards and Specifications Development and Revision Plan" (Jianbiao [2013] No. 169), prepared by the Ministry of Industry and Information Technology Institute of Electronics Industry Standardization and the Eleventh Design and Research Institute of Information Industry Science and Technology Engineering Company Limited in conjunction with relevant units. In the process of preparation of this standard, the preparation team in the investigation and research based on the summary of domestic practical experience, absorbing the scientific research results in recent years, drawing on advanced foreign experience in line with China's national conditions, and widely consult the relevant domestic design, production, research and other units, and finally finalized by the review of the Pi Cha. The main technical content of this standard: general provisions, terms and abbreviations, basic provisions, wastewater treatment process, wastewater treatment station, wastewater collection and conveyance, chemical storage, measurement and delivery, instrumentation and control system. The provisions marked in bold in this standard are mandatory and must be strictly enforced. 1 General Provisions 1.0.1 In order to standardize the design of electronic industrial wastewater treatment engineering, to achieve safe and technically advanced, economical and reasonable, energy-saving and environmental protection, the standard is formulated. 1.0.2 This standard applies to the design of new, altered and expanded electronic industrial wastewater treatment project. Electronic industrial wastewater treatment project should be designed, constructed and put into use at the same time with the main project. 1.0.3 The design of the electronic industrial wastewater treatment project shall conform to the provisions of this standard, in addition to the provisions of the relevant national standards in force. 2 Terms and abbreviations 2.1 Language 2.1.1acidic &.alkaline wastewater Acidic & alkaline wastewater is acidic or alkaline wastewater discharged in the production process. 2.1.2grinding&sawing wastewater Wastewater containing solid particles or suspended matter discharged during the production of grinding and cutting processes. 2.1.3 Chemical mechanical polishing wastewaterchemical mechanical planarization(CMP)wastewater Wastewater containing solid particles or suspended matter discharged in the production process of chemical mechanical polishing. 2.1.4 Wastewater containing fluoride ions and its compounds discharged during the production of fluoridated water. 2.1.5 phosphorus wastewater containing phosphorus wastewater Wastewater containing phosphoric acid, phosphate, metaphosphate, polymeric phosphate and organic phosphate discharged in the production process fluoride wastewater 2.1.6 arsenic wastewater containing arsenic wastewater Wastewater containing various arsenic compounds discharged in the production process 2.1.7 Organic wastewater Wastewater containing organic substances discharged in the production process 3 basic provisions 3.0.1 The process selection of wastewater treatment project should follow the principles of comprehensive treatment, recycling, energy conservation and emission reduction and total control. Under reasonable technical and economic conditions, water resources and recyclable substances in wastewater should be fully recycled. 3.0.2 When the main project is constructed in phases, the wastewater treatment project should be planned, reasonably laid out and implemented in phases according to the final scale. 3.0.3 The wastewater treatment should be selected with the technology of mature, safe and reliable and convenient operation and maintenance process. Scientifically and reasonably, actively and prudently choose new technologies, new techniques, new materials and new equipment that have been proven to be effective. 3.0.4 The wastewater treatment requirements shall be determined according to the requirements of the environmental impact assessment report approval, and the pollutant discharge shall conform to the corresponding national, industry or local pollutant discharge standards. 3.0.5 The selection of the process flow shall consider the influence of natural factors such as geography, geology, geology, meteorology, earthquake and flood. 3.0.6 The influent water quality of wastewater treatment project should be determined according to the actual measured data or according to the operation practice of similar enterprises. 3.0.7 Wastewater treatment process in the absence of mature experience to draw on, can be determined through the test or operating experience by similar water quality treatment process and design parameters. 4 wastewater treatment process 4.1 General provisions 4.1.1 Process flow should take into account the initial investment, operating costs, service life, resource consumption and energy consumption, etc., through technical and economic comparison to determine. 4.1.2 Wastewater treatment project should be set up online monitoring system. 4.1.3 Wastewater treatment engineering process design should properly handle the operation process may produce The exhaust gas, waste residue and other pollutants. 4.1.4 Wastewater treatment station should set up an accident emergency pool, the volume should not be less than the largest waste water The volume should not be less than the average total volume of 6h drainage of the largest waste water. 4.1.5 When using coagulation and sedimentation method to treat wastewater and the volume of wastewater is less than 50m/d, X is suitable to use sequential batch coagulation and sedimentation method. 4.2 Water quantity and quality 4.2.1 The design of wastewater treatment engineering should be carried out in advance to investigate and analyze the water quality of wastewater in detail. 4.2.2 The capacity of wastewater treatment project should be determined in accordance with the following provisions. 1 when the conditions of the actual measurement should be based on the measured value to determine the amount of water, water quality, and should leave a certain margin according to the process requirements. 2 When there is no measured value, pollutants and pollution load should be determined according to the same type of enterprises, or estimated by the volume and quality of wastewater per unit of product, and coordinated with the current national regulations on industrial water consumption. 5 Wastewater treatment station 5.1 General provisions 5.1.1 The layout of the wastewater treatment station shall be determined according to the overall planning of the production plant, combined with the function of each structure, treatment process, elevation and other conditions, by technical and economic comparison, and shall conform to the following provisions. 1 should be convenient to accept the wastewater discharged from the workshop 2 should be convenient for the discharge and reuse of treated water. There should be convenient traffic, transportation and power supporting conditions. There should be safety protection distance with the living area of the factory; 4 The process flow and vertical design of wastewater treatment should be combined to make full use of the elevation. 5.1.2 The wastewater treatment structures should be compact and reasonable in layout, and save land; meanwhile, it should meet the requirements of construction equipment installation, operation, maintenance and management of each structure. 5.1.3 Combined with the overall planning of the plant, when the wastewater treatment station is constructed in phases, it should be implemented in steps with unified planning, leaving sufficient room for expansion. 5.1.4 The buried pipe network and underground structures should be built at one time, and the pipe rack should reserve enough space according to the expected development. 5.1.5 The road width and turning radius of wastewater treatment station should meet the requirements of transporting the largest equipment and daily transporting chemical, waste liquid and sludge in and out of vehicles. The bearing capacity of the road and the channel shall meet the requirements of the transport load of the chemical and sludge vehicles. 5.1.6 The selection of pool shape of wastewater treatment station shall consider the economy of land occupation and the arrangement shall be compact. 6 Wastewater collection and transportation 6.1 Water collection 6.1.1 Electronic industrial wastewater shall be collected according to the principle of clear and dirty flow separation, classification and quality according to the requirements of wastewater nature and treatment process, and the design of collection system shall conform to the following provisions. 1 Wastewater containing the first category of pollutants as defined in the current national standard GB 8978 of Comprehensive Discharge Standard for Wastewater shall be collected and treated separately. 2 Waste liquid and waste water shall be collected and treated separately according to the concentration of pollutants and disposal needs. Organic wastewater and inorganic wastewater should be collected and treated separately:3 4 Wastewater that will undergo chemical reaction after mixing and affect subsequent treatment should be collected and treated separately 5 The pollutants in wastewater with recycling value should be collected and treated separately; 6 The wastewater with large volume and small pollution, and with recycling value through technical and economic comparison should be collected and reused separately. 6.1.2 The tank capacity of wastewater relay lifting station should be determined according to the characteristics of production equipment drainage effective volume should not be less than 5min maximum working pump group out flow. The number of pump starts and stops per hour should not be greater than 4 times. 6.1.3 Wastewater containing high concentration of volatile, toxic and flammable pollutants should be collected or conveyed after pretreatment. 6.1.4 Wastewater containing high concentration of suspended matter and easy to settle should be collected or conveyed after pretreatment. 6.1.5 Wastewater which is easy to produce precipitation or polymeric hard-to-degrade reactants when mixed with other wastewater should be collected or conveyed after pretreatment. 7 Storage, measurement and delivery of pharmaceuticals 7.1 Storage of pharmaceuticals 7.1.1 The storage amount of chemical agents should be determined according to the consumption, supply, packaging and transportation conditions of the agents, and should not be less than 7d consumption. When the agent is supplied locally or for the consumption of large quantities of acid and alkali, the storage days can be appropriately reduced. 7.1.2 The design of the pharmaceutical storage room should comply with the following provisions: 1 pharmaceutical storage room should be close to the main road in the next area, the unloading port should be set up adjacent to the outer wall of the road. 2 agent storage room should be set up according to the nature of the agent, storage and use conditions safety W protection measures. 8 Instrumentation and control system 8.1 General provisions 8.1.1 The level of control of wastewater treatment works should be comparable to the overall level of control of the overall project. Wastewater treatment project instrumentation and control requirements, should be based on wastewater quality, water quantity, wastewater treatment process, emission standards and operational requirements, determined by technical and economic comparison 8.1.2 The control mode of wastewater treatment process should be reasonably determined according to factors such as project scale and process complexity. Large, medium-sized and complex wastewater treatment project can adopt programmable logic controller (PLC) or decentralized control system (DCS). Small and simple wastewater treatment projects can adopt conventional control instrument and analog panel. 8.1.3 Large and medium-sized wastewater treatment projects and unattended wastewater treatment stations should set up independent control rooms, and when small wastewater treatment projects are set up adjacent to other systems, they can be combined with other control rooms to set up unified control rooms. 8.1.4 The unattended wastewater treatment station is suitable for setting central monitoring system, and it is suitable for unified setting with central control room central monitoring system. Terminology of this standard List of cited standards GB 50016 Building Design Fire Code GB 50140 Code for the Design of Building Fire Extinguisher Configuration GB50974 Technical Specification for Fire Protection Water Supply and Fire Hydrant System GB 8978 Standard for Comprehensive Discharge of Wastewater Foreword 1 General Provisions 2 Terms and abbreviations 3 basic provisions 4 wastewater treatment process 5 Wastewater treatment station 6 Wastewater collection and transportation 7 Storage, measurement and delivery of pharmaceuticals 8 Instrumentation and control system Terminology of this standard List of cited standards 前言 本标准是根据住房和城乡建设部《关于印发2014 年工程建设标准规范制订修订计划的通知》(建标[2013]169 号)的要求,由工业和信息化部电子工业标准化研究院和信息产业电子第十一设计研究院科技工程股份有限公司会同有关单位共同编制完成。 在本标准编制过程中,编制组在调查研究的基础上,总结国内实践经验,吸收近年来的科研成果,借鉴符合我国国情的国外先进经验,广泛征求国内有关设计、生产、研究等单位的意见,最后经审皮查定稿。 本标准主要技术内容:总则,术语和缩略语,基本规定,废水处理工艺,废水处理站,废水收集和输送,药剂贮存、计量与输送,仪表与控制系统。 本标准中以黑体字标志的条文为强制性条文,必须严格执行 1总则 1.0.1 为规范电子工业废水处理工程的设计,做到安全适用技术先进、经济合理、节能环保,制定本标准。 1.0.2 本标准适用于新建、改建和扩建的电子工业废水处理工程的设计。电子工业废水处理工程应当与主体工程同时设计、同时施工、同时投产使用。 1.0.3 电子工业废水处理工程的设计,除应符合本标准的规定外,尚应符合国家现行有关标准的规定。 2术语和缩略语 2.1语 2.1.1acidic &.alkaline wastewater 酸碱废水生产过程中排放的呈酸性或碱性的废水。 2.1.2 研磨切制废水grinding&sawing wastewater 研磨、切割等工艺生产过程中排出的含有固体颗粒物或悬浮物的废水。 2.1.3 化学机械抛光废水chemical mechanical planarization(CMP)wastewater 化学机械抛光生产过程中排出的含有固体颗粒物或悬浮物的废水。 2.1.4 含氟水生产过程中排放的含氟离子及其化合物的废水, 2.1.5含磷废水phosphorus wastewater 生产过程中排放的含磷酸、磷酸盐、偏磷酸盐、聚合磷酸盐和有机磷酸盐的废水 fluoride wastewater 2.1.6 含砷废水arsenic wastewater 生产过程中排放的含有各种砷化合物的废水 2.1.7 有机废水organic wastewater 生产过程中排放的含有有机物质的废水 3基本规定 3.0.1 废水处理工程的工艺选择应遵循综合治理、再生利用、节能减排和总量控制的原则。在技术经济合理的条件下,应充分回收利用水资源及废水中可回收利用的物质。3.0.2当主体工程分期建设时,废水处理工程应按最终规模统一规划、合理布局、分期实施。 3.0.3 废水处理应选用技术成熟安全可靠和运维便利的工艺流程。科学合理、积极慎重地选用经过验证并行之有效的新技术、新工艺、新材料和新设备。 3.0.4废水处理要求应根据环境影响评价报告批复的要求确定,污染物排放应符合相应的国家、行业或地方的污染物排放标准3.0.5 工艺流程的选择应考虑地域、地理、地质、气象、地震和洪水等自然因素的影响。 3.0.6废水处理工程的进水水质宜根据实测数据或按类似企业的运行实践确定。 3.0.7 废水处理工程的处理工艺在无成熟经验借鉴时,可通过试验或按相似水质运行经验确定处理工艺和设计参数。 4废水处理工艺 4.1一般规定 4.1.1 工艺流程应综合考虑初期投资、运行成本、服务寿命、资源占用和能源消耗等因素,通过技术经济比较来确定。 4.1.2 废水处理工程宜设置在线监控系统。 4.1.3 废水处理工程工艺设计应妥善处理运行过程中可能产生 的废气、废渣以及其他污染物。 4.1.4 废水处理站应设置事故应急池,容积不宜小于最大一股废 水 6h 的平均排水总量。 4.1.5当采用混凝沉淀法处理废水且废水水量小于 50m/d 时X宜采用序批式混凝沉淀法处理。 4.2水量和水质 4.2.1 废水处理工程设计前期应对废水的水量水质进行详细调查和分析论证。 4.2.2废水处理工程处理容量的确定应符合下列规定: 1 有条件实测时应根据实测值确定水量、水质,并应按工艺要求留有一定余量; 2当无实测值时,污染物与污染负荷宜根据同类型企业确定,或按单位产品的废水量、水质进行估算,并与国家现行的工业用水量有关规定协调。 5废水处理站 5.1 一般规定 5.1.1 废水处理站的布置应根据生产厂区的总体规划,结合各构筑物的功能、处理流程、高程等条件,经技术经济比较确定,并应符合下列规定: 1 应便于接纳车间排放的废水 2应便于处理出水的排放和回用; 应有方便的交通、运输和动力配套条件; 应与工厂生活区有安全防护距离;4 应结合废水处理的工艺流程、竖向设计充分利用高程 5.1.2 废水处理构筑物应布置紧凑、合理,节约用地;同时应满足各构筑物的施工设备安装、操作、检修维护和管理的要求。 5.1.3 结合厂区总体规划,废水处理站分期建设时,应统一规划分步实施,留有充分的扩建余地。 5.1.4埋地管网和地下构筑物宜一次建成,管架应根据预期的发展情况预留足够的空间。 5.1.5废水处理站的道路宽度及转弯半径应满足运输最大设备及日常运输化学药剂、废液和污泥的车辆出入要求。道路及通道的承载力应满足化学药剂、污泥车辆的运输荷载要求。 5.1.6废水处理站水池池形的选择应考虑占地经济性,布置应紧凑。 6废水收集和输送 6.1水收集 6.1.1 电子工业废水应按清污分流的原则,根据废水性质、处理工艺的要求分类、分质进行收集,收集系统的设计应符合下列规定: 1 含有现行国家标准《污水综合排放标准》GB 8978 所定义的第一类污染物的废水应分别收集处理; 2废液与废水应根据污染物浓度高低及处置需要分别收集处理; 有机废水与无机废水应分别收集处理:3 4 混合后会发生化学反应并影响后续处理的废水应分别收 集处理;5《废水中污染物质有回收利用价值的应单独收集处理;6水量大、污染小,且通过技术经济比较有回收价值的废水应单独收集回用。 6.1.2 废水中继提升站罐槽容量应根据生产设备排水特点确定有效容积不宜小于 5min 最大工作泵组出流量。每小时水泵启停次数不宜大于 4 次。 6.1.3 含有较高浓度易挥发、有毒有害和易燃易爆污染物的废水应进行预处理后再行收集或输送。 6.1.4 含有较高浓度悬浮物且易沉降的废水应进行预处理后再行收集或输送。 6.1.5 与其他废水混合易产生沉淀或生成聚合式难降解反应物的废水应进行预处理后再行收集或输送。 7药剂贮存、计量与输送 7.1 药剂的贮存 7.1.1 化学药剂的贮存量应根据药剂的消耗量、供应情况、包装和运输条件等因素确定,按不宜小于 7d 的消耗量确定。药剂由本地供应或为消耗量大的酸、碱时,可适当减少贮存天数。 7.1.2 药剂贮存间的设计应符合下列规定:1药剂贮存间宜靠近下区主要道路,卸药口应邻近路的外墙设置; 2 药剂贮存间应根据药剂的性质、贮存及使用条件设置安全W防护措施。 8仪表与控制系统 8.1 一般规定 8.1.1 废水处理工程的控制水平宜与总体工程的整体控制水平相当。废水处理工程仪表的运用和控制要求,应根据废水水质、水量、废水处理工艺、排放标准及运行要求,经技术经济比较后确定 8.1.2废水处理过程的控制方式应根据工程规模工艺复杂程度等因素合理确定。大、中型及工艺复杂的废水处理工程可采用可编程逻辑控制器(PLC)或分散控制系统(DCS)。小型和简单的废水处理工程可采用常规控制仪表及模拟盘。 8.1.3 大、中型废水处理工程以及无人值守的废水处理站宜设置独立的控制室,小型废水处理工程且与其他系统毗邻设置时,可与其他控制室合并设置统一的控制室。 8.1.4 无人值守的废水处理站宜设置中央监控系统,且宜与中心控制室中央监控系统统一设置。 本标准用词说明 引用标准名录 《建筑设计防火规范》GB 50016 《建筑灭火器配置设计规范》GB 50140 《消防给水及消火栓系统技术规范》GB50974 《污水综合排放标准》GB 8978
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GB 51441-2022, GB/T 51441-2022, GBT 51441-2022, GB51441-2022, GB 51441, GB51441, GB/T51441-2022, GB/T 51441, GB/T51441, GBT51441-2022, GBT 51441, GBT51441 |