How are melt-blown filters made？
MBR membrane
The advantages of melt-blown filter in this paper
by：Lvyuan Filter
2021-01-22
Melt-blown polypropylene particle filter is to use avirulent insipidity, after heating melting, spinning, drawing, take shape, made of a tubular filter.
If the raw material is given priority to with polypropylene, can be called PP melt-blown cartridge.
Not only large quantities of used in the field of water purification.
Also has a good chemical compatibility, applicable to acid, alkali and organic solvent filtration.
Pollutant carrying capacity is strong, long service life and low cost.
melt-blown filter of a bit has the following three points:
1. The pressure loss is small, filtration efficiency and stability. PP melt-blown cartridge external and internal fine fiber layer thick layer of loose double fiber structure, effectively reduce the pressure loss, maintain the stability of the filtration efficiency.
2. High filtration efficiency. Because of melt-blown filter filtration material, different from traditional fabric fibre diameter is thin, generally in 5 - 25 meters, three dimensional irregular porous mesh structure of the space, small aperture, the average aperture & lt; 40 microns, porosity, average pore rate is 75% or higher, effectively control the filtering precision, and my company the production of PP melt-blown filter series products indicators tested qualified.
3. Long service life, filtering the cost is low. PP melt-blown filter pore diameter gradient distribution along diameter direction ( Can not only from inside to outside became smaller, also can gradually decreases from the outgoing, according to different medium filtering needs) Part, in the process of filtration, large aperture enough space to accommodate large particles, ensure filter wouldn't jam, at the same time provide a good shape rigid; Small aperture section can stop the tiny particles, ensure that the filtering precision, so as to avoid the high precision filter clogging quick, short service life of ills, but also reduce the filtration resistance, reduce the energy consumption, improve the service life of the filter.
melt-blown filter of a bit has the following three points:
1. The pressure loss is small, filtration efficiency and stability. PP melt-blown cartridge external and internal fine fiber layer thick layer of loose double fiber structure, effectively reduce the pressure loss, maintain the stability of the filtration efficiency.
2. High filtration efficiency. Because of melt-blown filter filtration material, different from traditional fabric fibre diameter is thin, generally in 5 - 25 meters, three dimensional irregular porous mesh structure of the space, small aperture, the average aperture & lt; 40 microns, porosity, average pore rate is 75% or higher, effectively control the filtering precision, and my company the production of PP melt-blown filter series products indicators tested qualified.
3. Long service life, filtering the cost is low. PP melt-blown filter pore diameter gradient distribution along diameter direction ( Can not only from inside to outside became smaller, also can gradually decreases from the outgoing, according to different medium filtering needs) Part, in the process of filtration, large aperture enough space to accommodate large particles, ensure filter wouldn't jam, at the same time provide a good shape rigid; Small aperture section can stop the tiny particles, ensure that the filtering precision, so as to avoid the high precision filter clogging quick, short service life of ills, but also reduce the filtration resistance, reduce the energy consumption, improve the service life of the filter.
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