Byombi spunbond na meltblown ni tekinoroji yuburyo bwo gukora imyenda idoda ikoresheje polymers nkibikoresho fatizo, kandi itandukaniro ryabo nyamukuru riri muri leta nuburyo bwo gutunganya polymers.
Ihame rya spunbond na meltblown
Spunbond bivuga umwenda udoda ubudodo bukozwe mugukuramo ibikoresho bya polymer muburyo bwashongeshejwe, gutera ibikoresho byashongeshejwe kuri rotor cyangwa nozzle, kurambura no gukomera byihuse muri leta yashongeshejwe kugirango ube ibikoresho bya fibrous, hanyuma ugahuza kandi ugahuza fibre ukoresheje umukandara wa meshi cyangwa kuzunguruka amashanyarazi. Ihame nugukuramo polymer yashongeshejwe binyuze muri extruder, hanyuma ukanyura mubikorwa byinshi nko gukonjesha, kurambura, no kurambura icyerekezo kugirango amaherezo ube umwenda udoda.
Meltblown ni inzira yo gutera ibikoresho bya polymer biva mumashanyarazi biciye mumashanyarazi yihuta. Bitewe n'ingaruka no gukonjesha byihuta byumuyaga mwinshi, ibikoresho bya polymer bihita bikomera mumashusho hanyuma bigatatana mukirere. Noneho, binyuze mubutaka busanzwe cyangwa gutunganya amazi, fibre nziza ya fibre mesh idoda. Ihame ni ugutera ibikoresho byo mu rwego rwo hejuru byashongeshejwe ibikoresho bya polymer, kubirambura muri fibre nziza binyuze mu kirere cyihuta cyane, no kubihuza byihuse mu bicuruzwa bikuze mu kirere, bigakora urwego rwibikoresho byiza bidoda.
Itandukaniro riri hagati yo gushonga yahuwe idoda idoze hamwe nigitambara cya spunbond
Uburyo butandukanye bwo gukora
Umwenda ushongeshejwe udoda ubudodo ukorwa hifashishijwe ikoranabuhanga ryo gutera imiti, aho ibikoresho bya polymer bishonga hanyuma bigaterwa ku cyitegererezo, mu gihe umwenda wa spunbond utaboshywe utunganyirizwa mu mwenda utaboshywe mu gushonga fibre ya chimique mu fibre ikomeye binyuze mu bikorwa bya solde cyangwa ubushyuhe bwinshi, hanyuma bigatunganyirizwa mu mwenda utaboshywe binyuze mu gutunganya imashini cyangwa imiti.
Ikoranabuhanga ritandukanye
(1) Ibisabwa kubikoresho fatizo biratandukanye. Spunbond isaba MFI ya 20-40g / min kuri PP, mugihe gushonga bisaba 400-1200g / min.
(2) Ubushyuhe bwo kuzunguruka buratandukanye. Gushonga gushonga ni 50-80 ℃ hejuru kuruta kuzunguruka.
(3) Umuvuduko wo kurambura fibre uratandukanye. Spunbond 6000m / min, gushonga byavutse 30km / min.
(4) Kubwamahirwe, intera ntabwo yoroshye. Kuzunguruka 2-4m, gushonga 10-30cm.
(5) Ibikonje no kurambura biratandukanye. Fibre ya spunbond ishushanywa ukoresheje 16 air umwuka ukonje hamwe nigitutu cyiza / kibi, mugihe fuse ihuha ukoresheje intebe ishyushye hamwe nubushyuhe bugera kuri 200 ℃.
Itandukaniro mumiterere yumubiri
Imyenda ya spunbondufite imbaraga nyinshi zo kumena no kuramba kuruta imyenda ya meltblown, bivamo ibiciro bike. Ariko ikiganza cyunvikana hamwe na fibre mesh uburinganire burakennye.
Imyenda ya Meltblown iroroshye kandi yoroshye, hamwe no kuyungurura cyane, kwihanganira bike, no gukora inzitizi nziza. Ariko imbaraga nke hamwe no kwambara nabi.
Kugereranya ibiranga inzira
Kimwe mu biranga imyenda yashonze idashushanyijeho ni uko ubwiza bwa fibre ari buto, ubusanzwe buri munsi ya 10um (micrometero), hamwe na fibre nyinshi zifite ubwiza hagati ya 1-4um. Imbaraga zinyuranye kumurongo wose uzunguruka kuva nozzle ya meltblown ipfa kugeza kubikoresho byakira ntibishobora gukomeza kuringaniza (nk'imihindagurikire y'ingufu ihindagurika yubushyuhe bwo hejuru hamwe n'umuvuduko mwinshi mwinshi, umuvuduko n'ubushyuhe bwumuyaga ukonje, nibindi), bikavamo ubwiza butandukanye bwa fibre yashonze.
Uburinganire bwa fibre diametre muri spunbond idafite imyenda idoda neza ni nziza cyane kuruta iy'imisemburo ya meltblown, kubera ko mugikorwa cya spunbond, uburyo bwo kuzunguruka bumeze neza, kandi uburyo bwo kurambura no gukonjesha burahinduka cyane
Kugereranya Crystallisation na Icyerekezo Impamyabumenyi
Ikirangantego hamwe nicyerekezo cya fibre yashonze ni ntoya kuruta ya fibre spunbond. Kubwibyo, imbaraga za fibre zashongeshejwe zirakennye, kandi imbaraga za fibre web nayo irakennye. Bitewe n'imbaraga nke za fibre zishongeshejwe zidashushanyijeho, ikoreshwa ryukuri ryimyenda yashizwemo idoda idoda cyane cyane ishingiye kubiranga fibre ultrafine.
Kugereranya hagati ya fibre spun fibre na fibre spunbond
A length Uburebure bwa fibre - spunbond ni fibre ndende, gushonga ni fibre ngufi
B strength Imbaraga za fibre - imbaraga za fibre spunbond> imbaraga za fibre fibre
Ubwiza bwa fibre - Feltblown fibre nziza kuruta fibre spunbond
Porogaramu zitandukanye
Porogaramu imirima ya spunbond na meltblown nayo iratandukanye. Ubusanzwe, imyenda ya spunbond ikoreshwa cyane cyane mubicuruzwa by isuku ninganda, nkibitambaro by isuku, masike, igitambaro cyo kuyungurura, nibindi. Imyenda ya Meltblown ikoreshwa cyane mubikoresho byubuvuzi, masike nizindi nzego. Bitewe nuburyo bworoshye kandi bwuzuye, imyenda yashonze igira ingaruka nziza zo kuyungurura kandi irashobora gushungura neza uduce duto duto na virusi.
Kugereranya ibiciro hagati ya spunbond na meltblown
Hariho itandukaniro rikomeye mubiciro byumusaruro hagati ya spunbond na meltblown. Igiciro cyumusaruro wa spunbond ni mwinshi kuko bisaba ingufu nibikoresho byinshi. Muri icyo gihe, kubera fibre nini cyane, imyenda ikorwa na spunbond ifite ukuboko gukomeye kumva kandi biragoye kwemerwa nisoko.
Ibinyuranye, igiciro cyumusaruro wa meltblown ni gito kuko gishobora kugabanya ibiciro binyuze mubikorwa binini kandi byikora. Muri icyo gihe, kubera fibre nziza, imyenda yashonze ifite ibyiyumvo byoroheje kandi byiza, bishobora kurushaho guhaza isoko.
Umwanzuro】
Gushonga imyenda idoda kandiimyenda idodani ubwoko bubiri bwibikoresho bidoda hamwe nibikorwa bitandukanye byo gukora nibiranga. Kubijyanye no gusaba no gutoranya, birakenewe ko dusuzuma byimazeyo ibikenewe hamwe nibikoreshwa, hanyuma ugahitamo ibikoresho bidakwiriye bidoda.
Dongguan Liansheng Ntabwo Yubatswe Ikoranabuhanga Co, Ltd.yashinzwe muri Gicurasi 2020.Ni uruganda runini rutunganya imyenda idoda ihuza ubushakashatsi niterambere, umusaruro, no kugurisha. Irashobora gutanga amabara atandukanye ya PP spunbond idoda idoda ifite ubugari buri munsi ya metero 3.2 kuva kuri garama 9 kugeza kuri garama 300.
Igihe cyo kohereza: Nzeri-07-2024