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反浸透系列设置装备摆设
点击数:1546次 添加工夫:2019/8/7 [打印] [前往] [珍藏]

反浸透(RO)是比年来开展起来的高新膜分散技能,它的孔径很小,是离子级的分散设置装备摆设,现已普遍使用于水的淡化、除盐、制取纯洁的饮用水、高纯水,分散工具是溶液中的离子范畴和分子量很小的无机物,是医药、电子、饮料、生物、医学工程、环保等常用的初级设置装备摆设。
我厂消费的反浸透安装,以入口美国******的膜组件为主体,入口高压不锈钢泵,入口控制仪表,上下压管道阀门而成,另配入口计量泵加药和主动洗濯设置装备摆设。产品规格以产量计,从每小时300公斤到数百吨规格完全可供选用,反浸透对进水水质要求较高,以是前处置设置装备摆设必需美满,详见利用阐明。

1、原理:

RO反浸透技能是一种高科技水处置技能,它依托反浸透膜在压力下使溶液中的溶剂和溶质分散的特征事情。“浸透”是一种物理征象,逆浸透便是在含有盐及种种渺小杂质的水中(即原水)施加比天然浸透更大的压力,使水从浓度高的一方逆浸透到浓度低的一方,而原水中绝大少数的渺小杂质、无机物、重金属、细菌、病毒及别的无害物质等都经污水出口排放失。

2、反浸透纯水设置装备摆设次要工艺流程阐明

原水泵 :恒定体系供水压力,波动供水量。

多介质过滤器 : 接纳屡次过滤层的过滤器,次要目标是去除原水中含有的泥沙、铁锈、胶体物质、悬浮物等颗粒在20um以上的物质,可选用手动阀门控制大概全主动控制器举行反冲洗、正冲洗等一系列操纵。包管设置装备摆设的产水质量,延伸设置装备摆设的利用寿命。

活性炭过滤器: 体系接纳果壳活性炭过滤器,活性炭不光可吸附电解质离子,还可举行离子互换吸附。经活性炭吸附还可使高锰酸钾耗氧量(COD)由15mg/L(O2)降至2~7mg/L(O2),别的,由于吸附作用使外表被吸附复制的浓度增长,因此还起到催化作用、去除水中的色素、异味、少量生化无机物、低落水的余氯值及农药净化物和撤除水中的三卤化物(THM)以及别的的净化物。可选用手动阀门控制大概全主动控制器举行反冲洗、正冲洗等一系列操纵。包管设置装备摆设的产水质量,延伸设置装备摆设的利用寿命。同时,设置装备摆设具有自我维护体系,运转用度很低。

离子硬化体系/加药体系: R/O安装为了消融固体形物的稀释排放和海水的使用,为避免浓水端分外是RO安装最初一根膜组件浓水侧呈现CaCO3,MgCO3,MgSO4,CaSO4,BaSO4, SrSO4, SiSO4的浓度积大于其均衡消融度常数而结晶析出,破坏膜原件的应有特征,在进入反浸透膜组件之前,应利用离子硬化安装或投放过量的阻垢剂制止碳酸盐, SiO2,硫酸盐的晶体析出。

精细过滤器 :接纳精细过滤器对进水中残留的悬浮物、非是曲粒物及胶体等物质去除,使RO体系等后续设置装备摆设运转更宁静、更牢靠。滤芯为5um熔喷滤芯、目标避免下级过滤单位,遗漏的大于5um的杂质撤除。避免进入反浸透安装破坏膜的外表,从而破坏膜的脱盐功能。

反浸透体系: 反浸透安装是用充足的压力使溶液中的溶剂(一样平常是水)经过反浸透膜(或称半透膜)而分散出来,由于这个历程和天然浸透的偏向相反,因而称为反浸透。 反浸透法能顺应各种含盐量的原水,尤其是在高含盐量的水处置工程中,能取得很好的技能经济效益。反浸透法的脱盐率进步,接纳率高,运转波动,占空中积小,操纵轻便,反浸透设置装备摆设在除盐的同时,也将大局部细菌、胶体及大分子量的无机物去除。

臭氧杀菌器: 杀灭由二次净化发生的细菌彻底包管制品水的卫生目标










Reverse osmosis series equipment

Reverse osmosis (RO) is a high - tech membrane separation technology developed in recent years. Its aperture is small, is the ion - level separation equipment. Now it is widely used in water desalination, desalination, making pure drinking water and high purity water. The separation objects are organic compounds with small ion range and molecular weight in solution. It is a popular advanced equipment for medicine, electronics, beverages, biology, medical engineering, environmental protection, etc.

The main body of the reverse osmosis unit produced by our factory is imported from the United States with the most advanced membrane module, imported high-pressure stainless-steel pump, imported control instrument, high- and low-pressure pipeline valve. It is also equipped with imported metering pump dosing and automatic cleaning equipment. Product specifications are divided by production, from 300 kg to hundreds of tons per hour. Reverse osmosis requires high water quality, so the pretreatment equipment must be perfected. See the instructions for use.

1.Principle:

RO reverse osmosis technology is a high-tech water treatment technology. It relies on the ability of reverse osmosis membrane to separate solvent and solute in solution under pressure. Penetration is a physical phenomenon. Reverse osmosis is the application of a greater pressure than natural osmosis in water containing salt and various fine impurities (raw water) to reverse osmosis from the one with higher concentration to the one with lower concentration. Most of the fine impurities, organics, heavy metals, bacteria, viruses and other harmful substances in raw water are discharged through the sewage outlet.

2. Description of main process flow of reverse osmosis pure water equipment

Raw water pump: Constant system water supply pressure, stable water supply.

Multi-media filter: the filter with multiple filtration layers is mainly used to remove sediment, rust, colloidal substances, suspended substances and other substances with particles above 20um contained in raw water. Manual valve control or automatic controller can be used for backwashing, flushing and a series of operations to ensure the water quality of the equipment and extend the service life of the equipment.

Activated carbon filter: the system adopts fruit-shell activated carbon filter, which can not only adsorb electrolyte ions, but also conduct ion exchange adsorption. Potassium permanganate oxygen consumption (COD) can be reduced from 15mg/L(O2) to 2 ~ 7mg/L(O2) after adsorption by activated carbon. In addition, the adsorption can increase the concentration of surface adsorption and replication, and play a catalytic role in removing pigments, odors, a large number of biochemical organic compounds in the water, reducing the residual chlorine value of the water and pesticide pollutants, and removing trihalides (THM) and other pollutants in the water. Manual valve control or automatic controller can be used for backwashing, flushing and a series of operations. In this way, the water quality of the equipment can be guaranteed and the service life of the equipment can be extended. At the same time, the equipment has a self-maintenance system, running costs are very low.

Ion softening system/dosing system: R/O devices are designed to dissolve solids for concentrated discharge and desalinate water quality. To prevent CaCO3 and MgCO3, MgSO4, CaSO4, BaSO4, SrSO4, SiSO4 concentration is greater than the equilibrium solubility constant deposition and crystallization precipitation in the thick water side especially RO device last membrane module thick water side, and damage the membrane of the original features, Before entering the reverse osmosis membrane assembly, the crystal precipitation of carbonate, SiO2 and sulfate should be prevented by ion softening device or appropriate scale inhibitor.

Precision filter: Precise filter is adopted to remove suspended substance, non-curved particle and colloid and other substances in the water, so that RO system and other subsequent equipment can operate more safely and reliably. The filter element is a 5um melting and spraying filter element, which aims to prevent the removal of impurities larger than 5um missed by the superior filtering unit to prevent impurities from entering the reverse osmosis device to damage the membrane surface, thereby damaging the desalination performance of the membrane.

Reverse osmosis system: A reverse osmosis device is a device that separates a solvent (generally water) in a solution through a reverse osmosis membrane (or semipermeable membrane) with sufficient pressure. Because this process is opposite to the direction of natural infiltration, it is called reverse osmosis. The reverse osmosis method can adapt to all kinds of raw water with salt content, especially in the high-salt water treatment project, it can obtain good technical and economic benefits. Reverse osmosis has the advantages of high desalination rate, high recovery rate, stable operation, small occupation area and simple operation. In addition to salt removal, reverse osmosis equipment also removes most bacteria, colloids and large molecular weight organic compounds.

Ozone sterilizer: Kill the bacteria caused by secondary contamination to ensure the sanitary standard of finished water.




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