Chii chinonzi melt blown isiri-yakarukwa jira
Melt inopeperetswa isiri-yakarukwa jira rudzi rutsva rwemachira akagadzirwa kubva kune yakakwira polymer zvinhu kuburikidza nemaitiro akadai seyakagadzirwa zvinhu kugadzirira, kunyungudika kwepamusoro-tembiricha, kupfapfaidza kuumbwa, kutonhora uye kusimba. Zvichienzaniswa netsono yechinyakare yakaroverwa machira asiri akarukwa, machira akanyunguduka asina kurukwa ane yakatsetseka uye yakawanda yunifomu faibha chimiro, pamwe nekumwe kufema uye kuramba kwemvura, zvichiita kuti ive yakakosha kutungamira mundima yezvigadzirwa zvemachira.
Hunhu hwekunyunguduka kwakaputika jira risiri rakarukwa
1. Kubudirira kwefiltration performance, iyo inogona kunyatsovhara kupararira kwezvinhu zvinokuvadza zvakadai sezvikamu, mabhakitiriya, mavhairasi, nezvimwewo;
2. Yakapfava uye yakasununguka, ine kufema kwakanaka, yakasununguka kupfeka, uye isina allergic reactions;
3. Pfeka isingadziviriri, isingapindi mvura uye inodzivirira mafuta, ine hupenyu hurefu hwebasa uye kusimba kwakanakisa;
4. Easy kugadzirisa, inokwanisa kucheka, kusona, kupisa kupisa, laminating uye mamwe marapirwo maererano nezvinodiwa zvakasiyana.
Iko kushandiswa kwekunyunguduka kwakaputika jira risiri rakarukwa
Mucheka wakanyungudutswa usiri wakarukwa une huwandu hwakasiyana hwemashandisirwo, uye wakaongororwa muminda yakaita sehutano, hutsanana, uye midziyo yemumba. Nzvimbo huru dzekushandisa ndedzinotevera:
1. Kurapa uye Utano: Mucheka wakanyungudutswa usina kurukwa unoshandiswa zvakanyanya mukugadzirwa kwemidziyo yekudzivirira yakadai semasiki, machira ekuvhiya, uye majasi ekuzviparadzanisa nevamwe, ayo anogona kunyatsoparadzanisa mabhakitiriya nemavhairasi, kuve nechokwadi chekuchengetedzwa kwevashandi vekurapa nevarwere.
2. Midziyo Yepamba: Mucheka wakanyungudutswa usina kurukwa unoshandiswa kugadzira zvinodiwa zvezuva nezuva zvakadai sekupukuta kwemvura, kuchenesa kumeso, uye machira ekugezesa ane mvura yakanaka, kudzivirira mvura, uye hazvisi nyore kubvisa bvudzi, kuvandudza ruzivo rwemushandisi.
3. Sefa zvinhu: Mucheka wakanyungudutswa usina kurukwa unogona kugadzirwa kuita sefa zvinhu zvemhepo, mvura, uye oiri, zvinokwanisa kubvisa zvimedu zviri mumhepo uye kuderedza zvinosvibisa. Inogona zvakare kushandiswa muminda senge mechanical filtration uye yekunwa sefa yemvura.
Melt yakavhuvhuta isina-yakarukwa jira yakanaka yekuvharisa zvinhu
Mucheka wakanyungudutswa usina woven une nzvimbo yakakura chaiyo uye maduku maduku (pore size ≤ 20) μ m) High porosity (≥ 75%) uye mamwe maitiro. Kana avhareji yedhayamita iri 3 μ Iyo chaiyo nzvimbo yekunyunguduka yakavhuvhuta nonwoven machira eshinda, yakaenzana neavhareji fiber density ye0.0638 dtex (ine fiber saizi ye0.058 denier), inosvika 14617 cm2/g, nepo avhareji dhayamita iri 15.3 μ Iyo chaiyo yeavhareji yefiber nzvimbo, avhareji yefiber nzvimbo yeenwoven fiber inosvika 14617 cm2/g. density ye1.65 dtex (ine fiber size ye1.5), inongova 2883 cm2/g.
Nekuda kwehudiki hwekupisa kwemhepo kana uchienzaniswa neakajairika fiber, mhepo iri mumapores emucheka wakanyungudutswa wemucheka usina kuruka unoderedza kupisa kwayo. Kurasikirwa kwekupisa kunotapurirwa kuburikidza nefiber zvinhu zvekunyunguduka kunofefeterwa jira risiri rakarukwa kushoma, uye iyo static air layer pamusoro peasingaverengeki ultrafine fibers inodzivirira kupisa kuchinjana kunokonzerwa nekuyerera kwemhepo, zvichiita kuti ive yakanaka yekuvharisa uye kudziya kwemhedzisiro.
Polypropylene (PP) fiber imhando yeiyo iripo fiber zvinhu ine yakaderera kwazvo yekupisa conductivity. Iyo yakanyungudutswa yakafefeterwa yekupisa yekuvharisa floc yakagadzirwa nePP faibha mushure mekurapwa kwakakosha ine kupisa kwekudzivirira kuita 1.5 nguva yepasi uye kagumi neshanu kune yakajairwa kupisa kupisa donje. Kunyanya akakodzera kugadzira zvipfeko zveku skiing, zvipfeko zvekukwira makomo, zvekuvata, mabhegi ekurara, underwear inopisa, magirovhosi, shangu, nezvimwewo Zvigadzirwa zvine huwandu hwe65-200g/m2 zvakashandiswa kugadzira zvipfeko zvinodziya zvemasoja munzvimbo dzinotonhora.
Nzira yekuvandudza sei kusefa kwejira rakanyungudutswa risiri rakarukwa
Nyunguduka jira risiri-rakarukwa, sechinhu chepakati chemasiki ekurapa, kushanda kwayo kusefa kunobata zvakananga kudzivirira kwemask. Pane zvinhu zvakawanda zvinokanganisa kusefa kwemachira akanyunguduka asina kuruka, senge fiber linear density, fiber mesh chimiro, ukobvu, uye density. Semhepo yekusefa zvinhu zvemasiki, kana zvinhu zvacho zvakanyanyisa, pores idiki, uye kuramba kufema kwakanyanya, mushandisi haakwanise kufemesa mweya zvakanaka, uye mask inorasikirwa nekukosha kwayo kwekushandisa. Izvi zvinoda kuti zvigadziriso zvisangonatsiridza kusefa, asi zvakare kuderedza kufema kwavo kuramba, iko kupokana pakati pekufema kuramba uye kusefa. Iyo electrostatic electret kurapwa maitiro inzira yakanaka yekugadzirisa kupokana pakati pekufema kuramba uye kusefa kunyatsoita.
Mechanical chipingamupinyi
Avhareji faibha dhayamita yepolypropylene yakanyungudutswa jira rinoputika i2-5 μ m. Particle size yakakura kudarika 5 mumhepo μ Madonhwe emam anogona kuvharwa nemucheka wakanyunguduka; Kana iyo dhayamita yeguruva rakatsetseka iri pasi pe3 μ At m, nekuda kwekurongeka kwakarongeka kwefiber uye interlayers mumucheka wakavhuvhuta wakanyunguduka, fiber filter layer ine akawanda curved migero inoumbwa. Kana zvimedu zvichipfuura nemhando dzakasiyana-siyana dzemakwara akakombama kana nzira, huruva yakatsetseka inoshambadzwa pamusoro pemafibhi nemuchina kusefa van der Waals forces; Kana iyo particle size uye airflow velocity zviri zviviri zvakakura, mhepo inoyerera inosvika kune iyo sefa zvinhu uye inoyerera ichitenderera nekuda kwekuvharira, nepo zvimedu zvinosimuka kubva kune inoyerera nekuda kweinertia uye inodhumhana zvakananga nemafiber anotorwa; Kana saizi yechikamu idiki uye mwero wekuyerera wakadzikira, zvimedu zvinopararira nekuda kweBrownian kufamba uye kudhumhana nemafiibhi anotorwa.
Electrostatic adsorption
Electrostatic adsorption inoreva kutorwa kwezvimedu neCoulomb simba rechaji fibre (electret) kana mafiber echisefa zvinhu achichajwa. Kana guruva, mabhakitiriya, mavhairasi, uye zvimwe zvimedu zvichipfuura nemuzvinhu zvekusefa, simba remagetsi haringo kwezva chete zvimedu zvinochajiswa, asi zvakare rinotora induced polarized neutral particles kuburikidza ne electrostatic induction effect. Sezvo simba remagetsi rinowedzera, iyo electrostatic adsorption effect inova yakasimba.
Nguva yekutumira: Kubvumbi-08-2024