A matsayin ainihin kayan masarufi na likitanci, ingancin tacewa na masana'anta narke-blown yana shafar tasirin kariya kai tsaye. Akwai dalilai da yawa waɗanda ke shafar aikin tacewa na yadudduka na narkewa, kamar girman layin fiber, tsarin ragar fiber, kauri, da yawa.
Duk da haka, a matsayin wanikayan tace iskadon masks, idan kayan ya yi tsayi sosai, pores sun yi ƙanƙara, kuma juriya na numfashi ya yi yawa, mai amfani ba zai iya shakar iska ba da kyau, kuma abin rufe fuska ya rasa darajarsa.
Wannan yana buƙatar kayan tacewa ba kawai don haɓaka aikin tacewa ba, har ma don rage juriya na numfashi gwargwadon yuwuwar, kuma juriya na numfashi da ingancin tacewa biyu ne masu cin karo da juna. Tsarin jiyya na polarization electrostatic shine hanya mafi kyau don magance sabani tsakanin juriya na numfashi da ingancin tacewa.
Tsarin tacewa na masana'anta mai narkewa
A cikin tsarin tacewa na narkar da kayan tacewa, hanyoyin da aka fi sani da su sun haɗa da watsawar Brownian, interception, karo inertial, daidaita nauyi, da adsorption na lantarki. Saboda gaskiyar cewa ka'idoji huɗu na farko duk shingen injiniya ne, tsarin tacewa na yadudduka na narkewa ana iya taƙaita su azaman shingen injina da adsorption electrostatic.
Katangar injina
Matsakaicin diamita na fiberpolypropylene meltblown masana'antashine 2-5 μ m, kuma ɗigon ruwa tare da girman barbashi sama da 5 μm a cikin iska ana iya toshe shi ta masana'anta na narkewa.
Lokacin da diamita na ƙura mai kyau ya kasance ƙasa da 3 μm, zarurukan da ke cikin masana'anta na narkewa ana shirya su ba da gangan ba kuma an haɗa su don samar da layin fiber mai lankwasa da yawa. Lokacin da barbashi ke wucewa ta nau'ikan tashoshi masu lanƙwasa ko hanyoyi, ƙura mai kyau yana tallata saman fiber ta injin tacewa van der Waals ƙarfi.
Lokacin da girman barbashi da guduwar iska duka biyu manya ne, iskar tana zuwa kusa da kayan tacewa kuma ta toshe, ta sa ta zazzagewa, yayin da barbashi ke fita daga magudanar ruwa saboda rashin kuzari kuma suna karo kai tsaye da zaruruwa, ana kama su.
Lokacin da girman barbashi ya yi ƙanƙanta kuma yawan kwarara ya yi ƙasa, barbashi suna yaduwa saboda motsin Brownian kuma suna yin karo da zaruruwan da za a kama.
Electrostatic adsorption
Adsorption na Electrostatic yana nufin kama ɓangarorin da ƙarfin Coulomb na cajin zaruruwa (polarizations) lokacin da ake cajin zaruruwan kayan tacewa. Lokacin da ƙura, ƙwayoyin cuta, ƙwayoyin cuta da sauran barbashi ke wucewa ta cikin kayan tacewa, ƙarfin lantarki ba zai iya jawo hankalin barbashi da aka caje kawai yadda ya kamata ba, har ma da kama barbashi tsaka-tsaki da aka jawo ta hanyar tasirin electrostatic. Yayin da yuwuwar wutar lantarki ke ƙaruwa, tasirin adsorption na electrostatic yana ƙara ƙarfi.
Gabatarwa zuwa Tsarin Lantarki na Electrostatic
Saboda ingancin tacewa na yau da kullun da ba sa saka yadudduka da ke ƙasa da 70%, dogaro kawai da tasirin shingen injina na tarin filaye masu girma uku tare da zaruruwa masu kyau, ƙananan voids, da babban porosity da aka samar ta hanyar narkewar ultrafine fibers bai isa ba. Don haka, kayan tacewa na narkewa gabaɗaya suna ƙara tasirin cajin lantarki zuwa masana'anta ta hanyar fasahar polarization electrostatic, ta yin amfani da hanyoyin lantarki don haɓaka haɓakar tacewa, yana ba da damar cimma nasarar tacewa 99.9% zuwa 99.99%. Layer mai bakin ciki sosai zai iya saduwa da matakan da ake tsammani, kuma juriya na numfashi kuma yana da ƙasa.
A halin yanzu, manyan hanyoyin electrostatic polarization sun haɗa da electrospinning, korona fitarwa, gogayya jawo polarization, thermal polarization, da ƙananan makamashi na lantarki katako bombardment. Daga cikin su, fitarwar korona a halin yanzu shine mafi kyawun hanyar polarization electrostatic.
Hanyar fitar da korona hanya ce ta cajin abin da aka narke ta hanyar ɗaya ko fiye da saitin na'urorin lantarki masu siffar allura (ƙarfin wutar lantarki gabaɗaya 5-10KV) na janareta na lantarki kafin karkatar da ragamar fiber narke. Lokacin da aka yi amfani da ƙarfin lantarki mai ƙarfi, iskan da ke ƙasa da titin allura yana haifar da ionization na corona, wanda ke haifar da rushewar gida. Ana ajiye masu ɗaukar kaya a saman masana'anta na narkewa a ƙarƙashin aikin wutar lantarki, kuma wasu masu ɗaukar kaya za su kasance tarko ta tarko na barbashi na uwa mai zurfi a cikin saman, yin narkewar masana'anta ta zama kayan tacewa ga jikin tsaye.
Ana iya samun ƙarin cajin farfajiyar masana'anta na narkewa ta hanyar hanyar fitarwa ta corona don maganin fitarwa na electrostatic, amma don hana lalatawar wannan ma'ajin lantarki, abun da ke ciki da tsarin abin da ke narkewa yana buƙatar zama mai dacewa don cajin riƙewa. Hanyar da za a inganta ƙarfin ajiyar caji na kayan lantarki za a iya samun ta ta hanyar gabatar da abubuwan ƙarawa tare da kayan ajiyar caji don samar da tarkon caji da cajin kama.
Saboda haka, idan aka kwatanta da talakawa narke ƙaho samar Lines, da samar da narke hurawa kayan for iska tacewa bukatar Bugu da kari na high-voltage electrostatic sallama na'urorin a cikin samar line, da ƙari na iyakacin duniya masterbatch kamar tourmaline barbashi zuwa samar da albarkatun kasa polypropylene (PP).
Babban abubuwan da ke tasiri tasirin maganin electrospinning akan yadudduka narke
1. Yanayin caji: lokacin caji, nisa caji, ƙarfin caji;
2. Kauri;
3. Kayan lantarki.
Dongguan Liansheng Non saka Technology Co., Ltd.an kafa shi a watan Mayu 2020. Babban kamfani ne wanda ba sa saka masana'anta wanda ke haɗa bincike da haɓakawa, samarwa, da tallace-tallace. Yana iya samar da launuka daban-daban na PP spunbond yadudduka maras saka tare da faɗin kasa da mita 3.2 daga gram 9 zuwa 300.
Lokacin aikawa: Oktoba-26-2024