Pakadali pano,sungunulani nsalu yopanda ulusi yophulikaamagwiritsidwa ntchito kwambiri pa ntchito zosefera. Kuyambira m'ma 1970, njira zosiyanasiyana zochapira ndi zosefera zapadera zokhala ndi ma electrostatic charges posakaniza ulusi wosiyanasiyana zapangidwa ndikugwiritsidwa ntchito. Zotsatira zake mwachangu ndi njira ya electrostatic electret yomwe ilipo pano. Njira zazikulu za electret pakadali pano zikuphatikizapo electrostatic spinning, corona charging, friction electrification, thermal polarization ndi low electrnet beam bombardment. Chifukwa cha njira zosiyanasiyana za electrostatic electret (njira) za zinthu, mawonekedwe a matupi a electret omwe amapangidwa nawonso ndi osiyana kwambiri.
Ndipotu, kusefa kwa meltblown nonwoven ndi kochepera 70%, ndipo sikokwanira kungodalira mphamvu yoletsa makina ya kuphatikizana kwa ulusi wa ultrafine wokhala ndi ulusi wopyapyala, malovu ang'onoang'ono komanso ma porosity apamwamba. Kupanda kutero, kungowonjezera makulidwe a gramu ya zinthu kudzawonjezera kwambiri kukana kusefa. Chifukwa chake, zinthu zosefera zosungunulira nthawi zambiri zimawonjezera mphamvu ya electrostatic charge ku nsalu yosungunulira kudzera mu njira yosankha ya electrostatic. Kugwiritsa ntchito bwino kusefa kumatha kufika 99.9% mpaka 99.99% pogwiritsa ntchito njira ya electrostatic.KN95 standard.
Zipangizo zosefera mpweya wa Electret ZIMAGWIRITSA NTCHITO polarity ya ulusi wokha kuti zitenge fumbi la electrostatic ndikugwira mabakiteriya ndi mavairasi. Ma porosity ambiri komanso mphamvu ya electrostatic electret ya ulusi wa ultrafine zimagwiritsidwa ntchito kupereka magwiridwe antchito apamwamba komanso kukana kotsika kwa kusefa. Mu njira yogwiritsira ntchito kwambiri yolimbana ndi mabakiteriya, nsalu ya electret yosungunuka imalimbitsa mphamvu yamagetsi yamphamvu komanso kuyenda kwa mabakiteriya m'ma microelectronics, kuwononga mapuloteni ake ndi kusintha kwa nucleic acid, kuwononga mabakiteriya pamwamba, kupha mabakiteriya, kutulutsa ma ion oipa. tourmaline yokha imatseka njira zina za kagayidwe ka mabakiteriya, kuphatikiza dongosolo lopumira, ntchito ya enzyme, kusamutsa kuchuluka kuchokera pakhoma la selo, motero kuletsa maselo a bakiteriya kukhala ndi mphamvu yoletsa mabakiteriya.
Zipangizo zoyeretsera za jet electret zimanyamula tinthu tating'onoting'ono makamaka kudzera mu ntchito ziwiri za chotchinga cha makina ndi kulowetsedwa kwa electrostatic. Kukana kwa makina kumagwirizana kwambiri ndi kapangidwe ndi mawonekedwe a zinthu: nsalu yoyeretsera yosungunuka ikawotchedwa ndi corona ndi voltage ya makilovolti mazana angapo mpaka angapo, ulusi umafalikira mu netiweki ya mabowo chifukwa cha kubweza kwa electrostatic, ndipo kukula pakati pa ulusi kumakhala kwakukulu kuposa kukula kwa fumbi, motero kupanga kapangidwe kotseguka. Fumbi likadutsa mu zinthu zoyeretsera za jet zosungunuka, mphamvu ya electrostatic singakope tinthu ta fumbi tomwe timawotchedwa bwino, komanso kugwira tinthu tating'onoting'ono tomwe timakhala ndi polarized pogwiritsa ntchito mphamvu ya electrostatic. Mphamvu ya electrostatic ya zinthuzo ikakwera, mphamvu ya charge ya zinthuzo imakwera, mphamvu ya point imakhala yochulukirapo, mphamvu ya electrostatic imakulanso. Kutuluka kwa corona kumatha kusintha kwambiri magwiridwe antchito osefera a polypropylene melting - spraying cloth. Kuwonjezera tinthu ta tourmaline kumatha kusintha bwino mphamvu ya electret, kuwonjezera mphamvu ya kusefera, kuchepetsa kukana kusefera, kuwonjezera mphamvu ya pamwamba ya ulusi, ndikuwonjezera mphamvu yosungira ya fiber net. Zotsatira zake zimakhala bwino pamene 6% tourmaline electret yawonjezeredwa. Zinthu zambiri zamagetsi m'malo mwake zimapangitsa kuti kayendedwe ka zonyamulira zinthu kasamayende bwino.
Pamwambapa pali nkhani ya: Kodi kuyambitsidwa kwa nsalu yosalukidwa ndi kusungunula ndi chiyani, tikukhulupirira kuti tikuthandizani; Ife timapangaBEF99 yosungunuka,kusefa kusungunuka,Nsalu yopangidwa ndi chigoba cha nkhope yosungunukaTakulandirani kuti mukambirane ~
Nthawi yotumizira: Sep-21-2020