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你知道反渗透(RO)净水器的工作原理吗?
浏览: 发布日期:2018-06-03

  先说说复合膜,由无纺布组成的复合膜的强度是很高的, 它具有又坚硬又光滑的表面.可谓是又柔又韧.

  超薄分离层所谓分离层,就是在纳滤过程中起分离作用的一个功能层.复合膜往往会有很多个孔,原因是让超薄分离层直接复合在无纺布上的时候,表面不会太规则, 而且间隙非常大, 因此通常会先涂一层透水性微孔聚砜作为中间支撑层,一般150埃左右的孔径就很合适了.而且, 因为它这样的全芳香结构和高度交联, 让其具有非凡的物理稳定性和耐久性, 并且使它能经受强烈的化学清洗, 它的高产水量和高脱盐率的综合膜性能.源于他的高密度的亲水性酰胺基团.通过各种手段就可以调节一价或二价离子透过该聚合物分离层的能力, 就可以制造出对哥哥种类的盐或溶质.

  而且反渗透水处理设备在医药行业,食品行业,电镀行业也都有不错的发挥.平时我们身边的餐饮店,饮品店都纳入了反渗透设备的使用,最直观的就是店里水的口感,渗透前后一尝就可以分辨.

  最后说说反渗透默片的复合结构,目前主流的反渗透膜是 全芳香高交联度聚酰胺 一般它由三层材质组成 1. 聚酯材料增强无纺布, 约120μm厚; 2. 聚砜材料多孔中间支撑层, 约40μm厚; 3. 聚酰胺材料超薄分离层, 约0.2μm厚.每一层均根据其功能要求分别优化设计与制造.

Let's talk about composite membranes. The strength of the composite membrane made of non-woven fabrics is very high. It has a hard and smooth surface. It is soft and tough.
 
The ultra thin separation layer is called separation layer, which is a functional layer in the process of nanofiltration. The composite membrane often has many holes. The reason is that the surface will not be too regular and the gap is very large when the ultra-thin separation layer is directly compound on the non-woven fabric, so a layer of permeable microporous polysulfone is used as the intermediate support first. The pore size, usually about 150 angstroms, is suitable. Moreover, because of its full aromatic structure and high crosslinking, it has extraordinary physical stability and durability, and makes it withstand a strong chemical cleaning. Its comprehensive membrane energy for high yield and high desalination is derived from his high density hydrophilic amide group. The ability of monovalent or two valence ions to permeate the polymer separation layer can be adjusted by various means to produce salts or solutes of the elder brother's species.
 
And the reverse osmosis water treatment equipment in the pharmaceutical industry, the food industry, electroplating industry also has a good play. At ordinary times, our side of the restaurant, drink shops have been included in the use of reverse osmosis equipment, the most intuitive is the taste of the store water, before and after the penetration can be distinguished.
 
Finally, the composite structure of reverse osmosis film is described. The main current reverse osmosis membrane is full aromatic high crosslinking polyamide, which generally consists of three layers of 1. polyester material reinforced non-woven fabric, about 120 mu m thick; 2. polysulfone material porous intermediate support layer, about 40 mu m thick; 3. polyamide material ultra thin separation layer, about 0.2 m thick. Each layer is based on each layer. Its functions are required to optimize the design and manufacture.

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