I-Melt blown method iyindlela yokulungisa imicu ngokwelula ngokushesha i-polymer encibilika ngokusebenzisa izinga lokushisa eliphezulu kanye nokuvunguza komoya okunesivinini esikhulu. Izingcezu ze-polymer ziyashiswa futhi zicindezelwe zibe sesimweni sokuncibilika nge-scruder eyisikulufu, bese zidlula kumzila wokusabalalisa wokuncibilika ukuze zifinyelele imbobo yomlomo ekugcineni komlomo. Ngemuva kokukhishwa, aphinde acwengwe ngokwelula ukugeleza komoya okubili okuguquguqukayo kwesivinini esikhulu kanye nezinga eliphezulu lokushisa. Imicu ecolisisiwe iyapholiswa futhi iqiniswe kudivayisi yekhethini lemeshi ukuze kwakheke indwangu engalukiwe ephephethekayo encibilikayo.
Ubuchwepheshe obuqhubekayo bokukhiqiza indwangu engalukiwe encibilikayo sebudlule iminyaka engaphezu kwengu-20 yentuthuko eChina. Izinkambu zokusetshenziswa kwayo zinwetshiwe zisuka kwezihlukanisi zamabhethri, izinto zokuhlunga, izinto ezimunca uwoyela, nezinto zokufaka uwoyela zaya kwezokwelapha, inhlanzeko, ukunakekelwa kwezempilo, ukuvikela, neminye imikhakha. Ubuchwepheshe bayo bokukhiqiza buye bathuthuka kusukela ekukhiqizeni okukodwa okuncibilikisiwe kuya ekuqondeni okuyinhlanganisela. Phakathi kwazo, izinto eziyinhlanganisela ezincibilikisiwe eziye zathola ukwelashwa kwe-electrostatic polarization zingasetshenziswa kabanzi ukuhlanzwa komoya ekukhiqizeni ngogesi, ukudla, isiphuzo, amakhemikhali, isikhumulo sezindiza, ihhotela nezinye izindawo, kanye nemaski asebenza kahle kakhulu ezokwelapha, izikhwama zokuhlunga uthuli zezimboni nezabantu, ngenxa yokumelana kwazo okuphansi kokuqala, umthamo omkhulu wokubamba uthuli, nokusebenza kahle kokuhlunga.
Indwangu engeyona eyolukiwe encibilikayo eyenziwe ngezinto ze-polypropylene (uhlobo lwendwangu ye-ultra-fine ye-electrostatic fiber engabamba uthuli) ithintwa izici ezifana nosayizi we-fiber pore nokujiya, ezithinta umphumela wokuhlunga. Izinhlayiya zamadayamitha ahlukene zihlungwa ngezimiso ezihlukene, njengevolumu yezinhlayiyana, umthelela, izimiso zokusatshalaliswa okuholela ekuvinjweni kwefayibha, nezinye izinhlayiya ezihlungwa ngemicu ye-electrostatic ngokusebenzisa izimiso zokuheha i-electrostatic. Ukuhlolwa kokusebenza kahle kokuhlunga kwenziwa ngaphansi kosayizi wezinhlayiyana oshiwo yizinga, futhi amazinga ahlukene azosebenzisa izinhlayiya zosayizi abahlukene ukuze zihlolwe. I-BFE ivamise ukusebenzisa izinhlayiya ze-aerosol zebhaktheriya ezinobubanzi bezinhlayiyana eziyisilinganiso esingu-3 μ m, kuyilapho i-PFE ngokuvamile isebenzisa izinhlayiya ezinobubanzi be-sodium chloride engu-0.075 μ m. Ngokubuka nje kokusebenza kahle kokuhlunga, i-PFE inomphumela ophakeme kune-BFE.
Ekuhlolweni okujwayelekile kwamamaski ezinga le-KN95, izinhlayiya ezinobubanzi be-aerodynamic obungu-0.3 μ m zisetshenziswa njengento yokuhlola, ngoba izinhlayiya ezinkulu noma ezincane kunalobu bubanzi zingenwa kalula imicu yokuhlunga, kuyilapho izinhlayiya ezinosayizi omaphakathi ongu-0.3 μ m zinzima kakhulu ukuzihluza. Nakuba amagciwane emancane ngosayizi, awakwazi ukusabalala ewodwa emoyeni. Adinga amaconsi kanye nama-droplet nuclei njengabathwali ukuze ahlakazeke emoyeni, okwenza kube lula ukuwahlunga.
Umnyombo wobuchwepheshe bendwangu encibilikisiwe uwukuthola ukucwenga okusebenzayo ngenkathi unciphisa ukumelana nokuphefumula, ikakhulukazi ezindwangu ezincibilikayo ze-N95 nangaphezulu, izindwangu ezincibilikayo zebanga le-VFE, ngokuya ngokwakhiwa kwe-polar masterbatch, ukusebenza kwezinto ezincibilikayo, umphumela wokuphotha wemigqa encibilikisiwe, futhi ikakhulukazi ukwengezwa kwe-polar masterbatch kanye nokuqina kwe-fiber okuzothinta ukuqina kwe-polar masterbatch. Ukuthola ukumelana okuphansi nokusebenza kahle okuphezulu ubuchwepheshe obuyisisekelo kakhulu.
Izinto ezithinta ikhwalithi yezindwangu ezincibilikisiwe
I-MFI yezinto ezibonakalayo ze-polymer
Indwangu ye-Meltblown, njengengqimba engcono kakhulu yokuvimbela imaski, iwumsebenzi omuhle kakhulu owakhiwe imicu eminingi ephambanayo ye-ultrafine estakwe ezindaweni ezingahleliwe ngaphakathi. Uma sithatha i-PP njengesibonelo, ukuphakama kwe-MFI, intambo ekhishwe kahle ngesikhathi sokuncibilika okuphehlwayo, futhi kuba ngcono nokusebenza kokuhlunga.
I-engeli ye-hot air jet
I-engeli yomjovo womoya oshisayo ithinta kakhulu umphumela wokunwebeka kanye ne-fiber morphology. I-engeli encane izothuthukisa ukwakheka kwenqwaba yefayibha ehambisanayo emifudlaneni emihle, okuholela ekufaneni okubi kwezindwangu ezingalukiwe. Uma i-engeli ijwayele ukuya ku-90 °, kuzokwenziwa ukugeleza komoya okuhlakazeke kakhulu futhi okuneziyaluyalu, okulungele ukusatshalaliswa okungahleliwe kwemicu ekhethini lemeshi, futhi umphumela wendwangu encibilikayo ephephethwayo uzoba nokusebenza okuhle kwe-anisotropy.
Isivinini sokukhipha isikulufu
Ngaphansi kwezinga lokushisa elingaguquki, izinga lokukhipha isikulufu kufanele ligcinwe ngaphakathi kwebanga elithile: ngaphambi kwephuzu elibalulekile, ngokushesha isivinini sokukhipha, siphakamisa ubuningi namandla endwangu encibilikisiwe; Uma inani elibalulekile leqiwa, amandla endwangu encibilikisiwe ayancipha ngempela, ikakhulukazi uma i-MFI>1000, okungenzeka kube ngenxa yokwelula okwanele kwe-filament okubangelwa izinga eliphezulu lokukhishwa, okuholela ekujikelezeni okukhulu nokunciphisa imicu yokubopha endaweni yendwangu, okuholela ekwehleni kwamandla endwangu encibilikile.
Isivinini somoya oshisayo kanye nezinga lokushisa
Ngaphansi kwezimo ezifanayo zezinga lokushisa, isivinini sesikulufu, nebanga lokwamukela (i-DCD), ukushesha kwesivinini somoya oshisayo, iba mncane ububanzi befayibha, kanye nokuzwakala kwesandla kwendwangu engalukiwe, okuholela ekuboshweni kwefayibha okwengeziwe, okuholela kuwebhu ecinene, ebushelelezi, futhi enamandla.
Ibanga lokwamukela (DCD)
Ibanga elide ngokwedlulele lokwamukela lingaholela ekwehleni kwamandla e-longitudinal naphambanayo, kanye namandla okugoba. Indwangu engalukiwe inokuthungwa okuthambile, okungaholela ekwehleni kokusebenza kahle kokuhlunga kanye nokumelana ngesikhathi senqubo yokuncibilika.
Ncibilikisa ikhanda lesikhunta eliphephukayo (inkomba eqinile)
Izinto zokukhunta kanye nokusetha izinga lokushisa. Ukusebenzisa insimbi yesikhunta esezingeni eliphansi kunalokho kungase kubangele ukuqhekeka okucashile okungabonakali emehlweni ngesikhathi sokusetshenziswa, ukucutshungulwa kwembobo emaholoholo, ukunganembi kahle, nokusebenza komshini oqondile ngaphandle kokupholisha ukwelashwa. Kubangela ukufafaza okungalingani, ukuqina okungenamandla, ukujiya okungalingani, kanye nokucwebezela kalula.
Ukumunca phansi phansi
Amapharamitha okucubungula afana nevolumu yomoya kanye nokucindezela kokumunca phansi inetha
Isivinini esiphelele
Ijubane lekhethini le-mesh lihamba kancane, isisindo sendwangu encibilikisiwe siphezulu, futhi ukusebenza kahle kokuhlunga kuphezulu. Ngokuphambene nalokho, libuye libe yiqiniso.
Idivayisi ye-polarizing
Amapharamitha afana ne-polarization voltage, isikhathi sokuhlukanisa, ibanga lentambo ye-polarization molybdenum, kanye nomswakama wemvelo ye-polarization konke kungathinta ikhwalithi yokuhlunga.
I-Dongguan Liansheng Non woven Technology Co., Ltd.yasungulwa ngoMeyi 2020. Kuyibhizinisi elikhulu lokukhiqiza indwangu engalukiwe ehlanganisa ucwaningo nentuthuko, ukukhiqiza, nokudayiswa. Ingakwazi ukukhiqiza imibala ehlukahlukene ye-PP spunbond izindwangu ezingalukiwe ezinobubanzi obungaphansi kwamamitha angu-3.2 ukusuka ku-9 amagremu kuya ku-300 amagremu.
Isikhathi sokuthumela: Nov-28-2024