美国Isep浸没式超滤膜演示(最新)
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无动力浸没式超滤膜工艺流程英文回答:The process of submerged ultrafiltration (UF) with no power requirement is a highly efficient method for water treatment. It involves the use of a membrane to separate suspended solids, colloids, and macromolecules from water.The first step in the process is the pretreatment of the feed water. This may involve the addition of chemicals such as coagulants or flocculants to enhance the removal of particles. The water is then passed through a series of screens to remove larger debris and sediment.Once the water has been pretreated, it is then fed into the submerged UF system. This system consists of a tank or basin that contains the UF membrane modules. The modules are immersed in the water, allowing the water to flow through the membrane and separate the contaminants.The UF membrane is a porous material that acts as a physical barrier, allowing water molecules to pass through while blocking larger particles. The size of the pores in the membrane determines the size of the particles that can be removed. Typically, UF membranes have pore sizes ranging from 0.01 to 0.1 microns.As the water flows through the membrane, the contaminants are trapped on the surface or within the pores of the membrane. The clean water, known as permeate, passes through the membrane and is collected in a separate tank or basin. The concentrated contaminants, known as retentate, are continuously removed from the system to prevent fouling of the membrane.One of the key advantages of submerged UF is its low energy consumption. Unlike other membrane filtration processes, such as reverse osmosis, submerged UF does not require the use of pumps or pressure to drive the water through the membrane. This makes it a cost-effective solution for water treatment, especially in remote areas or locations with limited access to electricity.Another advantage of submerged UF is its ability to operate continuously. The membranes can be cleaned periodically to remove any accumulated fouling, without the need to shut down the system. This ensures a consistent and reliable supply of clean water.In conclusion, the process of submerged ultrafiltration with no power requirement is an efficient and cost-effective method for water treatment. It involves the use of a membrane to separate contaminants from water, without the need for pumps or pressure. This process is suitablefor a wide range of applications, including drinking water treatment, wastewater treatment, and industrial processes.中文回答:无动力浸没式超滤膜工艺流程是一种高效的水处理方法,不需要额外的能源。
科技成果——浸没式(SMF)膜过滤水处理技术技术开发单位天津膜天膜科技股份有限公司适用范围主要应用在饮用水处理、中水回用、海水淡化等领域。
成果简介浸没式膜过滤(SMF)工艺是一种新型膜技术。
是超低压中空纤维膜技术与连续膜过滤技术相结合而派生出来的一种新型的膜过滤处理工艺。
它使用开放式中空纤维膜组件,将膜直接置于充满待处理水的膜池之中,通过泵的负压抽吸和大气压力,使水透过膜表面,从中空纤维膜内侧抽出,达到过滤净化的目的。
结合RO技术,可达到中水回用的用途。
关键技术高性能抗污染膜材料及组件、膜运行工艺和独特的清洗技术、成套装备及控制系统的标准化、模块化专利获奖情况已授权专利3项:ZL201310167639.4、ZL201220412161.8、ZL201330349902.2。
获得国家技术发明二等奖、中国纺织工业协会科学技术一等奖、2014年度中华全国工商业联合会科学技术一等奖。
典型规模津沽再生水厂70000吨/天应用情况目前我公司的浸没式膜产品已在饮用水净化及生活污水深度处理回用等领域得到了广泛应用,累计规模超过50万吨/天。
已建成北塘再生水厂、张贵庄再生水厂、纪庄子再生水厂、山东泰安三合水厂等大型水处理工程。
投资情况总投资2600万元(以6万吨/天规模为例),其中设备投资1600万元,运行费用0.04-0.06元/吨,膜组件寿命5年经济效益分析该技术纯水通量大于1000L/(m2•h•0.1MPa•25℃),膜丝抗拉伸强度大于8N,平均孔径在0.01-0.05μm之间,断裂伸长率大于100%;膜组件单位处理水量投资成本比目前国外同类产品低20%以上,运行能耗比现状低20%以上,膜寿命不少于5年。
2013年该技术收入将达到15000万元,近三年累计收入为32850万元,预计未来三年技术收入增长率将达到30%。
环境效益分析该技术目前已经应用在天津北塘再生水处理工程、天津张贵庄污水处理及再生利用工程、天津纪庄子再生水厂改造工程以及山东东营水厂等多家水厂,在全国范围得到了广泛的应用。
美国碧菲超滤膜1.公司介绍美国碧菲科技集团是世界领先的膜分离技术公司,为全球客户提供高性能、长寿命、超稳定的膜产品和系统,凭借其先进的技术和对行业的深度了解为客户提供经济、节能的系统解决方案。
碧菲以膜分离技术为核心,以最节能的方式生产清洁的空气和水,为全球带来健康美好的生活。
◆1997年,碧菲团队在美国德克萨斯州休斯敦市建立科研中心,针对日趋恶化的大气环境和水环境提出独特的膜分离净化解决方案◆生产和供应30多种膜产品和技术◆客户已遍布美国、加拿大、日本、新加坡的主要工业地区◆碧菲的产品与技术广泛服务于与人类健康生活密切相关的领域发电机氢冷增效膜蒸馏海水淡化烟气除尘工业废水处理垃圾焚烧的气体净化市政中水回用2.碧菲超滤技术超滤是一种膜分离技术,是以膜两侧压差为驱动力,以机械筛分原理为基础的一种溶液分离过程,使用压力通常为0.01-0.3 MPa,筛分孔径从0.002-0.1μm,截留分子量为 1000-500,000 道尔顿左右。
近 30 年来,超滤技术的发展极为迅速,不但在特殊溶液的分离方面有独到的作用,而且在工业给水方面也用得越来越多。
例如在海水淡化、纯水及高纯水的制备中,超滤可作为预处理设备,确保反渗透等后续设备的长期安全稳定运行。
在食品饮料、矿泉水生产中,超滤也发挥了重要作用,因为超滤仅去除水中的悬浮物、胶体微粒和细菌等杂质,而保留了对人体健康有益的矿物质。
碧菲公司一直关注超滤膜运行的可靠性,针对聚偏氟乙烯膜材料的特点,碧菲的聚偏氟乙烯系列产品不仅保持了偏氟材料本征的化学稳定性以及柔韧性方面的优势,而且采用多项独特技术扬长补短,使当前推向市场的聚偏氟乙烯外压式超滤膜同时具备高强度、高分离精度以及优异的抗污染性能。
与市场上多个有影响的类似产品相比,主要指标都处于领先地位。
3碧菲超滤膜特点3.1带支撑的外压式中空纤维膜结构全球常规超滤产品的主体材料以聚偏氟乙烯( PVDF)和聚砜类( PES或PS)为主流。
浸没式(EUF)超滤膜产品使用说明书〔2021版〕碧水源膜科技XX目录第一章公司简介1第二章浸没式超滤膜简介22.1 别离原理22.2 应用领域22.3 产品特点2第三章浸没式EUF帘式膜组器简介33.1 产品结构33.1.1 结构组成33.1.2 主要部件说明43.2 产品特点63.3 浸没式EUF帘式膜组器规格7第四章浸没式EUF帘式膜组器应用设计指南84.1 进水条件84.2 膜池内的膜组器布置94.2.1 膜池的总体布置94.2.2 膜池廊道布置94.3 化学清洗系统94.3.1 在线化学清洗装置94.3.2 离线化学清洗10第五章浸没式EUF帘式膜组器安装指南105.1 准备条件〔用户自行准备〕105.1.1 工具与设备准备105.1.2 场地准备105.2 安装步骤115.2.1 膜池清污与管路冲洗115.2.2膜池预先蓄水115.2.3 一般检查115.2.4 开箱检查115.2.5 安装过程125.2.6 膜组器的下水安装13第六章浸没式EUF帘式膜组器的运行使用指南146.1 概述146.1.1 运行条件146.1.2 考前须知146.2 调试156.2.1 清水试车156.2.2 正常运行156.3 膜清洗156.3.1 在线化学清洗〔CIP〕166.3.2 离线化学清洗166.3.3 平安考前须知17第七章膜组件、膜组器的保存和运输187.1 膜组件的保存187.1.1 未开封〔未使用〕膜组件187.1.2 使用过的膜组件187.2 膜组件的运输187.3 膜组器的保存和运输19第八章故障与排除方法198.1 停止运行后再次启动198.2 风量198.3 水量减少与负压升高198.4 出水浊度升高198.5 故障组器确实定与检查198.5.1 故障组器确实定198.5.2 故障组器的检查208.5.3 组器故障处理20第九章特别考前须知21售后效劳维护记录表21附表1 EUF膜组器定期现场检查维修记录表22附表2 日常运行记录表24附表4 膜在线化学清洗记录表26附表5 膜离线化学清洗记录表编号26警示信息与其含义本说明书中使用的警示信息十分重要,请正确理解其含义,并给予足够的重视:表示如果无视本指示错误地使用装置的话,预计可能会发生人身死亡或重伤。
XX超滤项目UHS系统设计说明系统设计概述超滤膜系统设计采用旭化成公司的Microza UHS-620A 浸没式超滤膜组件,膜丝为采用热致相分离法制备的均质高维网状结构聚偏氟乙烯(PVDF),具有化学稳定性好(可耐有效氯5000mg/L)、机械强度高、产水水量稳定、产水水质稳定等优良特征。
超滤膜系统为全自动运行模式,包括过滤、液位下降过滤、反洗/气洗、排放、填充、EFM清洗、CIP清洗和在线完整性检测等运行程序,基本流程如图1所示。
整个超滤系统主要由进水泵、自清洗过滤器、膜池、过滤泵、反冲洗系统、化学清洗CIP/EFM 系统、在线膜完整性检测系统、仪表空压机系统、配套的手动/自动阀门、在线各类仪表和控制检测元器件、PLC计算机控制系统以及必要的设备附件组成。
图1 流程图Microza UHS-620A浸没式膜组件是旭化成专门针对高浊度原水所开发的产品,标准运行模式(如图2所示)为:{过滤(15~30min)→液面下降过滤(液位控制)→反洗/空气擦洗(60s)}n→排放→充填,大括号中的操作模式为一个小周期,通常运行1-5个小周期后,再将浸没槽中的水全部排放,由此形成一个大周期;UHS系统每1-7天进行1次低浓度化学清洗(EFM)过程,清洗时间为30~90min;每1-6月进行1次高浓度化学清洗(CIP)过程,清洗时间为6-8小时。
进水温度为0~40deg.C时,系统运行跨膜压差(TMP)通常在15~80kPa之间,EFM 清洗后TMP可下降20-40kPa,相应的通量恢复率可达60%-90%;当TMP达到60~80kPa时,系统就需进行CIP清洗,清洗后的TMP可下降至20~70kPa左右,相应的通量恢复率在95%以上。
图2 标准运行程序根据现场现有条件及进水水质,本项目UHS系统设计水温为5deg.C时的运行通量设计为94.0LMH,平均净产水通量为79.4LMH,系统回收率为96.8%。
设计每个小周期为1820s,其中过滤和液位下降过滤1760s,反洗/空气擦洗60s,每运行5个小周期,进行一次300s的排放和填充,即一个大周期的运行时间为157分钟,EFM(次氯酸钠)每天进行一次,CIP每3个月或当跨膜压差达到60kPa时进行一次。
无动力浸没式超滤膜工艺流程英文回答:Immersed Hollow Fiber Ultrafiltration Process.Immersed Hollow Fiber Ultrafiltration Process is a membrane filtration process that uses hollow fiber membranes to separate particles from a liquid. The hollow fiber membranes are made of a semipermeable material, which allows water and small molecules to pass through, while retaining larger molecules and particles.The Immersed Hollow Fiber Ultrafiltration Process is typically used to purify water, but it can also be used to concentrate or separate other liquids. The process is carried out by submerging the hollow fiber membranes in the liquid to be treated. The liquid is then pumped through the membranes, and the purified liquid is collected on the other side.The Immersed Hollow Fiber Ultrafiltration Process is a very efficient way to purify water. It can remove a wide range of contaminants, including bacteria, viruses, cysts, and other particles. The process is also relatively inexpensive and easy to operate.Advantages of the Immersed Hollow Fiber Ultrafiltration Process.High efficiency.Can remove a wide range of contaminants.Relatively inexpensive.Easy to operate.Disadvantages of the Immersed Hollow FiberUltrafiltration Process.Can be susceptible to fouling.May require pretreatment of the liquid to be treated.中文回答:浸没式中空纤维超滤工艺流程。
浸没式超滤膜控制流程英文回答:Immersed ultrafiltration (UF) membrane is a type of membrane filtration process that uses pressure to separate particles and solutes from a liquid. It is commonly used in water treatment, wastewater treatment, and various industrial applications.The control process of immersed UF membrane involves several steps. First, the feed solution is pumped into the system and flows through the membrane module. The pressure is applied to the feed solution, forcing it to pass through the membrane while retaining the particles and solutes. The permeate, which is the purified liquid, passes through the membrane and is collected.To control the process, several parameters need to be monitored and adjusted. The most important parameter is the transmembrane pressure (TMP), which is the pressuredifference across the membrane. The TMP affects thefiltration rate and the quality of the permeate. It needs to be maintained within a certain range to ensure efficient and effective filtration.Another important parameter is the flux, which is the rate of permeate production per unit area of the membrane. The flux is influenced by factors such as the TMP, the membrane surface area, and the concentration of particles in the feed solution. Monitoring and adjusting the flux is crucial to maintain stable filtration performance.In addition to these parameters, the control process also involves monitoring the feed solution flow rate, the temperature, and the quality of the permeate. These parameters can be monitored using sensors and instruments, and adjustments can be made based on the desired filtration performance.For example, let's say I am responsible for operating an immersed UF membrane system in a water treatment plant.I start by checking the feed solution flow rate andadjusting it to the desired level. Then, I monitor the TMP and adjust the pressure accordingly to maintain it within the recommended range. I also keep an eye on the flux and make adjustments if necessary. Throughout the process, I use instruments to measure the temperature and quality of the permeate, ensuring that they meet the required standards.Overall, the control process of immersed UF membrane involves monitoring and adjusting parameters such as TMP, flux, flow rate, temperature, and permeate quality. By carefully managing these parameters, I can ensure that the membrane system operates efficiently and produces high-quality permeate.中文回答:浸没式超滤膜是一种利用压力将颗粒物和溶质从液体中分离的膜过滤工艺。
浸没式超滤膜控制流程英文回答:Immersed ultrafiltration membrane control process.The control process of immersed ultrafiltration membrane is crucial for ensuring the efficient and stable operation of the system. In this process, various parameters and variables need to be monitored and adjusted to optimize the filtration performance.One of the key control parameters is the transmembrane pressure (TMP), which refers to the pressure difference across the membrane. Maintaining a stable TMP is essential to prevent membrane fouling and ensure the consistent permeate quality. Typically, the TMP is controlled by adjusting the feed flow rate and the permeate flow rate. If the TMP exceeds the specified limit, it may indicatefouling or other issues, and appropriate actions should be taken to mitigate the problem.Another important control parameter is the backwash process. Periodic backwashing is necessary to remove accumulated solids and debris from the membrane surface, which can improve the filtration efficiency and prolong the membrane lifespan. The backwash process can be controlled based on time intervals or triggered by specific conditions, such as a certain increase in TMP or a decrease in permeate flux. Once the backwash is initiated, the system will automatically adjust the flow rates and pressures to ensure effective cleaning.In addition to these control parameters, monitoring the feed water quality is also crucial. Parameters such as turbidity, suspended solids, and organic matter concentration should be continuously monitored to detectany changes or deviations. If the water quality deteriorates, it may affect the membrane performance and require adjustments in the control process. For example, if the turbidity exceeds the specified limit, a higher backwash frequency or longer duration may be required to maintain the membrane performance.Furthermore, the control process should also consider the energy consumption and cost-effectiveness. Byoptimizing the operating conditions, such as the feed flow rate, backwash frequency, and chemical dosage, the energy consumption can be minimized while maintaining the desired filtration performance. This requires a balance between the operational costs and the desired water quality.In summary, the control process of immersedultrafiltration membrane involves monitoring and adjusting parameters such as transmembrane pressure, backwash process, and feed water quality. By maintaining a stable TMP, performing regular backwashing, and optimizing theoperating conditions, the system can achieve efficient and reliable filtration performance.中文回答:浸没式超滤膜的控制流程。
6.4 浸默式超滤系统6.4.1 概述6.4.1.1超滤系统包括:自清洗过滤器、2套超滤装置、2个超滤膜池、1个超滤清洗水箱、1个超滤产水箱、1台超滤反洗水泵、1台超滤清洗水泵。
6.4.1.2超滤系统运行包括运行产水、水力冲洗、EFM维护清洗、CIP清洗三个过程。
本系统设计超滤水力冲洗22次后进行1次EFM维护清洗;EFM维护清洗7次碱洗后进行1次酸洗,(次数可以根据现场调试在DCS进行调整),每次EFM维护清洗后需要对清洗水箱进行排空和洗净。
6.4.2 简介6.4.2.1自清洗过滤器:自清洗过滤器采用滤网式过滤器,过滤器本体上装设有压差开关,当压差达到设定值(通常是0.05MPa)时,便传递信号给控制箱,控制箱发出执行指令;启动马达,驱动内部的刷式清洗机构进行循环清洗,同时打开排污阀,杂质通过排污阀排出本体外,整个清洗过程仅需几十秒钟,清洗时系统不断流;控制箱设置有多项保护功能。
6.4.2.2超滤装置:超滤系统可以进一步去除水中的小分子悬浮物、有机物和胶体,使其出水水质SDI<3,以满足后续反渗透系统的进水要求。
6.4.2.2超滤产水箱:贮存超滤产水,供后续系统使用,同时满足超滤系统的反洗用水。
6.4.2.3超滤反洗水泵:当超滤装置运行一段时间后,超滤膜截留下的杂质附着于超滤膜丝表面,致使超滤膜的产水通量降低,其压差升高,当压差达到一定值时,需要进行定期反冲洗,其过程包括透过液反向通过膜同时空气擦洗膜丝的外表面,而后排空膜架以清除超滤膜表面的杂质,恢复膜的通量。
6.4.2.4超滤化学清洗装置:包括超滤清洗水箱、超滤化学清洗泵,兼顾超滤维护性清洗(EFM)及超滤化学清洗(CIP)的作用。
6.4.2.5超滤维护性清洗(EFM) :经过多次反冲洗之后,可能在膜表面粘附着不易冲洗掉的污染物和微生物,此时就采用含有一定浓度化学药剂的水进行维护性清洗,以减少化学清洗的频率。
6.4.2.6超滤化学清洗(CIP):当超滤系统运行一段时间后,通过反洗和维护性清洗不能恢复膜的通量时(通常表现为膜通量降低到一定程度以及跨膜压差升高到一定程度),必须要通过化学清洗来恢复膜的清洁。