Imyenda idoda irimo polyester, polypropilene, nylon, spandex, acrylic, nibindi ukurikije ibihimbano byabo; Ibikoresho bitandukanye bizaba bifite uburyo butandukanye rwose bwimyenda idoda. Hariho uburyo bwinshi bwo gukora bwo gukora imyenda idoda, kandi gushonga byavanze bitari imyenda ni inzira yo gushonga. Nimwe muburyo bwo gukora imyenda idoda kandi nuburyo bumwe bwo gukora polymer mesh itaziguye. Nibikorwa byo gukuramo polymer yashonga bivuye mumashanyarazi akoresheje umuvuduko mwinshi nubushyuhe bwo hejuru bwumuyaga mwinshi uhuha cyangwa ubundi buryo bwo gutera kurambura gukabije gutemba gushonga no gukora fibre nziza cyane, hanyuma igahurira kuri mesh ikora ingoma cyangwa umwenda meshi kugirango ikore fibre fibre, Amaherezo, gushonga fibre fibre idoda idoda irashimangirwa no kwishyira hamwe.
Imyenda yashongeshejwe ikozwe muri polypropilene nkibikoresho nyamukuru, kandi diameter ya fibre irashobora kugera kuri microne 1-5. Ultra-nziza ya fibre ifite imiterere yihariye ya capillary, nkubusa bwinshi, imiterere ihindagurika, hamwe no guhangana n’iminkanyari, byongera umubare nubuso bwa fibre kuri buri gace kamwe, bityo bigatuma imyenda yashonze yashonze ifite kuyungurura neza, gukingira, kubika, no gufata amavuta. Irashobora gukoreshwa mumirima nkibikoresho byo kuyungurura ikirere n’amazi, ibikoresho byo kwigunga, ibikoresho byinjira, ibikoresho bya mask, ibikoresho byo kubika, ibikoresho bikurura amavuta, hamwe nigitambaro cyo guhanagura.
Diameter ya fibre ya etaire ya elegitoronike ni nziza cyane, cyane cyane hafi microne 2 (um), kubwibyo rero ni kimwe cya cumi cya diametre ya spunbond. Nibyiza gushonga byavunitse, niko birashobora guhagarika kwinjiza uduce duto. Kurugero, mask ya KN95 bivuga umuvuduko wa 85L ushobora guhagarika 95% byuduce duto (0.3um) mubihe bisanzwe. Ibi bigira uruhare runini mu kuyungurura bagiteri no kwirinda ko amaraso yinjira, niyo mpamvu yitwa umutima wa mask.
Inzira gakondo
Kugaburira polymer → Gushonga gushonga formation Gukora fibre cool Gukonjesha fibre formation Gukora inshundura → Guhuza (meshi ihamye) → Gukata impande no kuzunguruka → Kurangiza cyangwa kurangiza bidasanzwe
Kugaburira polymer - Ibikoresho bya PP polymer mubusanzwe bikozwe mubice bito bya serefegitire cyangwa granular, bigasukwa mu ndobo cyangwa hopper, hanyuma bikagaburirwa hanze.
Gushonga gushonga - Mugihe cyo kugaburira amaherezo ya screw extruder, chip ya polymer ivangwa nibikoresho nkenerwa nka stabilisateur, ibikoresho byera, hamwe namabara meza. Nyuma yo gukurura neza no kuvanga, binjira muri extruder hanyuma bagashyuha mubushyuhe bwinshi kugirango bashonge. Hanyuma, gushonga bigaburirwa muri spinneret binyuze muyungurura na pompe yo gupima. Muburyo bwo gushonga, extruders muri rusange igabanya uburemere bwa molekuline ya polymers binyuze mumasatsi yabo hamwe ningaruka zo kwangirika kwubushyuhe.
Gukora fibre - Akayunguruzo gasukuye gakeneye kunyura muri sisitemu yo kugabura hanyuma kugaburirwa neza muri buri tsinda rya spinnerets, kugirango amafaranga yo gukuramo buri mwobo azunguruka arahoraho. Isahani ya spinneret ya fibre yashonze itandukanye nubundi buryo bwo kuzunguruka kubera ko umwobo uzunguruka ugomba gutondekwa kumurongo ugororotse, hamwe n’umuvuduko mwinshi wo mu kirere wihuta ku mpande zombi.
Gukonjesha fibre - Umubare munini wubushyuhe bwicyumba cyicyumba icyarimwe unywa icyarimwe kumpande zombi za spinneret, ukavangwa numuyaga ushyushye urimo fibre ultrafine kugirango ubikonje, kandi fibre ultrafine yashonze irakonja kandi igakomera.
Gushiraho Urubuga - Mu gukora fibre fibre fibre idoda, imyenda irashobora gushyirwaho itambitse cyangwa ihagaritse. Niba ishyizwe mu buryo butambitse, noneho fibre ultrafine yatewe hejuru yingoma izenguruka kugirango ikore mesh; Niba ishyizwe mu buryo buhagaritse, fibre izagwa kumurongo utambitse wa mesh umwenda hanyuma ugahurira meshi.
Gufata neza (meshi)
Igihe cyo kohereza: Ukuboza-15-2023