Pakadali pano,chosaluka chosungunukaNsalu zimagwiritsidwa ntchito kwambiri pakupanga zinthu 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 yamagetsi ...
Ndipotu, kusefa kwa nsalu zopanda nsalu zosungunuka ndi zochepera 70%, ndipo sikokwanira kungodalira mphamvu yoletsa makina ya kuphatikiza ulusi wa ultrafine wokhala ndi ulusi wopyapyala, malovu ang'onoang'ono komanso porosity yayikulu. Kupanda kutero, kungowonjezera makulidwe a gramu ya zinthu kudzawonjezera kwambiri kukana kusefa. Chifukwa chake, kusungunula ndi kupopera zinthu zosefera nthawi zambiri kumawonjezera mphamvu ya electrostatic charge ku nsalu yosungunula ndi kupopera kudzera mu njira ya electrostatic electoral-electrode, ndikugwiritsa ntchito njira ya electrostatic kuti muwongolere magwiridwe antchito osefa, omwe amatha kufika % mpaka %.Ndiko kuti akwaniritse muyezo wa KN95 kapena pamwambapa.
Zipangizo zosefera mpweya za Electret ZIMAGWIRITSA NTCHITO polarity ya ulusi wokha kuti zitenge fumbi la electrostatic ndikugwira mabakiteriya ndi mavairasi. Mphamvu yamagetsi ya electret ya polypropylene fused jet fiber ndi yosiyana ndi ya lamba wokangana wa zinthu wamba. Si sayansi kujambula zidutswa za mapepala kuti muone ngati spray yosungunuka yayikidwa kapena ngati chigobacho chili ndi mphamvu zosefera pogwiritsa ntchito magetsi okangana. Mphamvu yamagetsi okangana ndi mphamvu yakanthawi, ndiye kuti mphamvu ya pamwamba imasonkhanitsidwa kwakanthawi. Mphamvu ya friction ndi mphamvu yabwino ndi yoipa ya polarized surface, pomwe mphamvu ya electret fiber ndi mphamvu yowonjezera yamkati yowonjezeredwa pogwiritsa ntchito mphamvu yamagetsi yamphamvu panthawi ya electret. Ndalamazi zimafalikira mkati mwa ulusi wosungunuka wa ultrafine mu mawonekedwe a electret master nanoparticles. Kukana kwa madzi kwa zinthu zosungunuka za jet ndi chotchinga cha ulusi wa ultrafine zimapangitsa kuti ma charge awa akhale omangika mkati. Tinthu tating'onoting'ono tokha tikalowa mkati mwa jet yosungunuka, mphamvu yamagetsi ndi kapangidwe ka ulusi wa ultrafine zimayamba kugwira ntchito.
Chomwe chimatchedwa magetsi osasunthika ndi chifukwa chakuti zinthu zopangidwa ndi polypropylene melted jet zimateteza kutentha, komanso ndi mtundu wa zinthu za electpoles, kotero kuti mphamvu sizingasinthidwe mwachisawawa, kutayika mwachisawawa. Mphamvu yowonjezera yamagetsi okwera imasungidwa mu ulusi kwa nthawi yayitali ndi mphamvu yokwanira yamagetsi. Kuphatikiza apo, ndi kukhalapo kwa ma charges angapo, osati mtundu wa mphamvu yopangidwa ndi kukangana. Chifukwa chake, macro adsorption sangawonetse mwachindunji momwe ma microscopic charge imagwirira ntchito. Ma porosity apamwamba komanso mawonekedwe otseguka a electret a ulusi wa ultrafine amagwiritsidwa ntchito kupereka magwiridwe antchito apamwamba komanso kukana kochepa kusefa. Mu njira yolimbana ndi mabakiteriya kwambiri, nsalu yosungunuka ya electret imalimbikitsa munda wamphamvu wamagetsi ndi kuyenda kwa mabakiteriya a microelectronics, kuwononga mapuloteni ake ndi nucleic acid mutation, kuwononga mabakiteriya a 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 yotsutsana ndi mabakiteriya.
Ndifewopanga nsalu zopanda nsalu zosungunukaTakulandirani kuti mutilankhule ~
Nthawi yotumizira: Julayi-30-2020