Introduction and characteristics of common types of filter elements

The more common types of filter elements are: PP filter element, wire wound filter element, pleated microporous filter element, double-section filter element, activated carbon filter element, resin filter element, titanium rod filter element, RO reverse osmosis filter element, compressed activated carbon filter element, bulk activated carbon filter element, etc. . PP filter element (also known as melt-blown filter element) is a filter material made of non-toxic and odorless polypropylene as raw material, and pp cotton filter element manufacturer is heated and melted, sprayed, pulled, and formed. The pp filter element has a deep filtration structure with uniform pore size, sparse outside and dense inside, and has the excellent characteristics of high filtration efficiency and acid and alkali resistance. It can effectively remove suspended solids, particles, rust and other impurities in the liquid. The melt-blown filter element is made of polypropylene ultra-fine fiber by thermal fusion entanglement. The fiber of the filter element randomly forms a three-dimensional microporous structure in space. The pore size of the pore size is distributed in a gradient along the flow direction of the filtrate. It integrates surface, deep and fine filtration. Retain impurities of different particle sizes. The filter element accuracy range is 0.5-100m, and its flux is more than 1.5 times that of the same precision peak room filter element. The 3m large flow filter element can be equipped with different types of end cap joints to meet the needs of various engineering installations. PP filter element features: (1) The filter element has a dense and uniform pore size and high filtration efficiency. Since the particles will bridge in the filter element pores, the particles smaller than the pores can also be blocked, and the filtration efficiency is above 98%. (2) It has high cleanliness and no pollution to water quality. (3) Corrosion by chemical reagents such as acid and alkali and organic solvents. (4) The strength is high. When the pressure difference between the inlet and outlet of the filter is 0.4mpa, the filter element will not be deformed. When the pressure is high, it can be lined with polypropylene brackets (or immortal steel skeletons) (5) The price is cheap, and it is mostly used for first-stage filtration, one-time use. RO reverse osmosis membrane filter element reverse osmosis technology: reverse osmosis original text is REVERSE OSMOSIS, It is a collection of multinational scientists by NASA, with government support, spending billions of dollars, after years of research. The principle of reverse osmosis is to apply a pressure greater than the natural osmotic pressure on the raw water side, so that the water molecules reverse osmosis from the side with higher concentration to the side with lower concentration. Since the pore size of the reverse osmosis membrane is much smaller than several hundred times or even thousands of times that of the case virus and bacteria, various viruses, bacteria, heavy metals, solid solubles, polluted organics, calcium and magnesium ions cannot pass through the reverse osmosis membrane at all. , so as to achieve the purpose of water softening and purification.
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