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What is the difference between PP melt blown filter element and traditional filter material

by:Lvyuan      2022-02-05
The raw material of PP melt blown filter element is mainly polypropylene, which is a filter material made by heating and melting. There are two main types of PP meltblown filter elements, one is deep filtration and the other is surface filtration. The filtration of PP melt-blown filter element is a composite filter material that integrates pre-filtration, fine filtration and gravity sedimentation. It has been widely used in the purification of drinking water, the filtration of industrial pure water and the filtration of other fluids. PP melt-blown filter element is made of ultra-fine polypropylene fiber thermally entangled. Ultra-fine fibers rely on self-bonding and entanglement to randomly form a three-dimensional microporous structure in space. The connection between fibers does not require any adhesive. It has the characteristic of gradient changes in radial fibers. It is a porous and fabric filter medium. Complex. The PP melt blown filter element has a deep filtration structure with uniform pore size, sparse outside and dense inside, and has excellent characteristics of high filtration efficiency and acid and alkali resistance. Can effectively remove suspended solids, particles, rust and other impurities in the liquid. PP meltblown filter element has high filtration efficiency, low pressure loss, stable filtration efficiency, long service life, low filtration cost, good safety and strong adaptability. The PP meltblown filter element is different from the traditional fabric filter material. The diameter of this material is very thin, often less than 5-25 microns, and the fiber presents an irregular porous network structure. The average diameter is less than 40 microns, and the average porosity is greater than 75%. The structure is very reliable for the control of filtration accuracy. The fine fiber layer inside the PP meltblown filter element and the loose fiber layer outside form a double-layer fiber structure, which effectively reduces pressure loss and maintains a stable filtration efficiency. PP meltblown filter element has a gradient distribution of pore diameter along the diameter direction. During filtration, the larger pore size can hold large particles and impurities to ensure that the filter element will not be clogged quickly; the small pore size can block fine particles to ensure The filter accuracy is improved, thereby avoiding the shortcomings of fast clogging and short life of the high-precision filter element, and also reducing the filtering resistance, reducing the energy consumption of the equipment, and extending the service life of the filter element. The filter material of the PP melt blown filter element is made of non-toxic and odorless PP material. The raw material source is reliable and safe. No other chemical substances are generated during the production process. It can be directly used in drinking water and beverage products without any adhesive media. , No soluble material appears during application.
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