, The source of water purifier- wat pifilof thrst stagWhy do

日期:2020-07-10编辑作者:Industry news

  Why the first stage water filter cartridge why always PP cotton, at present, according to the size of the filtering accuracy can be purifier into four categories: microfiltration, ultrafiltration, nanofiltration and reverse osmosis. In these four types of water purifiers, almost one for each filter water purifier is PP cotton, PP cotton Why always on the first stage of it? It has in the end what advantage? (Source: organ network, the source of fresh water, invasion deleted) PP cotton filter: PP cotton filter is non-toxic and odorless polypropylene particles, after heating and melting, spinning, traction, while receiving the tubular shaped filter made of, if polypropylene-based material, it can be called PP meltblown filter. A, can effectively remove particulate impurities in the water to the water flowing through the interior from the outside through the layers of PP cotton filter, the filter layer in the closer, the smaller the pore size, the higher the filtration accuracy. After particulate impurities when PP cotton filter pores, bridging phenomenon occurs even particles smaller than the pores, blocking can also be live, so that the filtered liquid to go addition of various particulate impurities. (Source: organ network, the source of fresh water, invasion deleted) Second, the depth of multilayer structure, the large amount of pollutant PP cotton filter outer relatively coarse fibers, fine fibers and the inner layer, the outer layer is relatively loose, the inner the tight, multi-layer gradient composition gradient structure getting tight. (Source: the source of clean water organ network security, intrusion deleted) Each layer can intercept such a multilayer structure, storage impurities in the water, a multilayer adding dirt holding capacity will be enormous. Third, the filter flow rate, pressure difference and PP cotton material polypropylene fibers entangled self-bonded to each other relies on forming a three-dimensional microporous structure labyrinth, and with conventional textile fiber distribution carded nonwoven different, having a larger surface area, a higher porosity. (Source: the source of clean water organ network security, intrusion deleted) large surface area and more holes, allowing water quickly through PP cotton, will not make too much difference between the height of the water inside and outside, so not only high flow filtration, and pressure is also smaller. Fourth, no chemical adhesives, more hygienic, safe by meltblowing polypropylene, traction, rely on the self-adhesive polypropylene fibers entangled with one another, forming different shapes and PP cotton filter sizes. (Source: the source of clean water organ network security, intrusion deleted) and other filter is not the same, PP cotton filter does not require bonding with other materials, due to the chemical composition of cotton PP clean and comply with food hygiene standards, not due to material secondary pollution generated by the liquid to be filtered, is safer to use. Fives,Acid, alkali, organic solution, the chemical stability of PP cotton oil and its closely linked polypropylene material, good chemical stability of polypropylene, in addition to be concentrated sulfuric acid, concentrated nitric acid corrosion, a variety of other chemicals are relatively stable. It is because of these advantages, coupled with its cost is not high, PP quilt widely used in various water purification devices pre-filtering process to block rust in water, sediment and other large particulate matter. Although the role of PP cotton should not be underestimated, but only as a water purifier filter first threshold, the smaller diameter water colloids, metal ions, microorganisms and other impurities are required to follow complex activated carbon filter, membrane filter, etc. to deeper filtration process. (Source: Ann source of clean water organ network, invasion deleted) (Source: source of clean water organ network security, intrusion deleted)

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