Indlela yokunyibilika yokunyibilika yindlela yokulungiselela imicu ngokolula ngokukhawuleza i-polymer enyibilikayo ngokuvuthuza kobushushu obuphezulu kunye nesantya esiphezulu sokuphefumla komoya. Izilayi zePolymer zifudunyezwa kwaye zicinezelwe kwimo enyibilikayo nge-screw extruder, kwaye emva koko udlule kwijelo losasazo lokunyibilika ukufikelela kumngxuma womlomo kwisiphelo esingaphambili somlomo. Emva kwe-extrusion, ziphuculwa ngakumbi ngokwandisa i-airflows ezimbini eziguqukayo eziphezulu kunye nobushushu obuphezulu. Iintsinga ezisulungekileyo ziyapholiswa kwaye zomelezwe kwisixhobo somnatha womkhusane ukwenza ilaphu elivuthelweyo elingalukwanga.
Itekhnoloji yokuvelisa ilaphu elingalukiweyo eliqhubekayo liqhube ngaphezu kweminyaka engama-20 yophuhliso eTshayina. Imimandla yesicelo sayo yandisiwe ukusuka kwizahluli zebhetri, izixhobo zokucoca, izinto ezifunxa i-oyile, kunye nezixhobo zokugquma ukuya kwezonyango, ucoceko, ukhathalelo lwempilo, ukhuseleko, kunye nezinye iindawo. Itekhnoloji yemveliso nayo iye yaphuhliswa ukusuka kwimveliso enye yokunyibilika ukuya kwicala elidityanisiweyo. Phakathi kwazo, izinto ezidibeneyo ezinyibilikayo eziye zafumana unyango lwe-electrostatic polarization zingasetyenziselwa ukucocwa komoya kwimveliso ye-elektroniki, ukutya, isiselo, imichiza, isikhululo seenqwelomoya, ihotele kunye nezinye iindawo, kunye neemaski ezisebenza kakhulu zonyango, iingxowa zokucoca uthuli lwamashishini kunye nothuli, ngenxa yokunganyangeki kwabo kokuqala, umthamo omkhulu wokubamba uthuli, kunye nokusebenza kakuhle kokucoca.
Ilaphu elingalukwanga elinyibilikayo elenziwe ngezinto ezinepolypropylene (uhlobo lwelaphu le-ultra-fine electrostatic fibre elinokuthi libambe uthuli) lichatshazelwa yimiba efana nobukhulu bepore yefayibha kunye nobukhulu, obuchaphazela isiphumo sokuhluza. Amasuntswana obubanzi obahlukeneyo ahluzwa ngemigaqo eyahlukeneyo, enjengomthamo wamasuntswana, impembelelo, imigaqo yokusasazwa ekhokelela ekuvalelekeni kwefayibha, kwaye amanye amasuntswana ahluzwa yimicu ye-electrostatic ngokusebenzisa imigaqo yokutsala i-electrostatic. Uvavanyo olusebenzayo lokuhluza luqhutywa phantsi kobukhulu beqhekeza elichazwe ngumgangatho, kwaye imigangatho eyahlukeneyo iya kusebenzisa iinqununu zobukhulu obuhlukeneyo bokuvavanya. I-BFE isoloko isebenzisa amasuntswana e-aerosol yebhaktiriya ene-avareji yesuntswana ububanzi be-3 μ m, ngelixa i-PFE ngokubanzi isebenzisa amasuntswana ane-sodium chloride idayamitha eyi-0.075 μ m. Ngokusuka nje kwimbono yokusebenza kakuhle kokucoca, iPFE inefuthe eliphezulu kune-BFE.
Kuvavanyo oluqhelekileyo lweemaski zenqanaba le-KN95, amasuntswana anedayamitha ye-aerodynamic ye-0.3 μ m asetyenziswa njengento yovavanyo, kuba amasuntswana amakhulu okanye amancinci kunolu bubanzi athatyathwa ngokulula ngemicu yokucoca, ngelixa amasuntswana anobungakanani obuphakathi be-0.3 μ m anzima kakhulu ukuhluza. Nangona iintsholongwane zincinci ngobukhulu, azikwazi ukusasazeka zodwa emoyeni. Afuna amathontsi kunye neenuclei zamathontsi njengabathwali ukuze basasazeke emoyeni, nto leyo eyenza kube lula ukuhluza ngaphandle.
Undoqo wetekhnoloji yelaphu elinyibilikisiweyo kukufumana ukuhluzwa okusebenzayo ngelixa kunciphisa ukuxhathisa ukuphefumla, ngakumbi kwi-N95 nangaphezulu kwamalaphu anyibilikayo, amalaphu e-VFE enyibilikayo, ngokwendlela yokwenziwa kwe-polar masterbatch, ukusebenza kwezixhobo ezinyibilikayo, isiphumo sokusonta kwemigca enyibilikayo, kwaye ngakumbi ukongezwa kwe-polar masterbatch kunye ne-uniform ye-fiber. Ukufezekisa ukuchasana okuphantsi kunye nokusebenza okuphezulu yeyona teknoloji ingundoqo.
Izinto ezichaphazela umgangatho weendwangu ezinyibilikayo
I-MFI yezinto zepolymer ekrwada
Ilaphu elinyibilikisiweyo, njengolona luthintelo umaleko weemaski, sisixhobo esihle kakhulu esenziwe ziintsinga ezininzi ezihlanganayo ezipakishwe ngendlela engacwangciswanga ngaphakathi. Ukuthatha i-PP njengomzekelo, i-MFI ephezulu, i-fireter ikhutshwe ngexesha lokuqhutyelwa kwe-melt blown, kwaye ngcono ukusebenza kokucoca.
I-engile yejethi yomoya oshushu
I-angle yenaliti yomoya oshushu ichaphazela kakhulu umphumo wokolula kunye ne-fiber morphology. I-engile encinci iya kukhuthaza ukubunjwa kwe-parallel fiber bundles kwimisinga emihle, ekhokelela ekufaniseni okungahambi kakuhle kwamalaphu angalukwanga. Ukuba i-engile ijonge ukuya kuma-90 °, kuya kuveliswa ukuhamba komoya okusasazeka kakhulu kunye nesiphithiphithi, nto leyo enceda usasazo olungacwangciswanga lwemicu kumnatha womnatha, kwaye isiphumo sokunyibilika kwelaphu siya kuba nokusebenza kakuhle kwe-anisotropy.
Isantya se-Screw extrusion
Ngaphantsi kweqondo lokushisa rhoqo, isantya sokukhutshwa kwe-screw kufuneka sigcinwe ngaphakathi koluhlu oluthile: phambi kwendawo ebaluleke kakhulu, ngokukhawuleza ukukhawuleza kwe-extrusion, i-quantitative ephezulu kunye namandla e-meltblown fabric; Xa ixabiso elibalulekileyo ligqithiswa, amandla e-meltblown ayancipha ngokwenene, ngakumbi xa i-MFI> 1000, enokuthi ibe ngenxa yokungonelanga kokwelula kwe-filament okubangelwa yi-extrusion rate ephezulu, okukhokelela ekujikelezeni okukhulu kunye nokunciphisa imicu yokudibanisa kumphezulu welaphu, okukhokelela ekunciphiseni amandla e-meltblown.
Isantya somoya oshushu kunye nobushushu
Phantsi kweemeko ezifanayo zobushushu, isantya se-screw, kunye nomgama wokufumana (DCD), ukukhawuleza kwesantya somoya oshushu, kokukhona sisincinci i-diameter yefayibha, kunye nokuthamba kwesandla ukuvakala kwelaphu elingalukwanga, okukhokelela ekuthandeni ngakumbi kwefayibha, okukhokelela kwiwebhu exineneyo, egudileyo, kwaye eyomeleleyo.
Ukufumana umgama (DCD)
Umgama omde kakhulu owamkelwayo unokukhokelela ekwehleni kokuqina okude kunye nokuguquguqukayo, kunye namandla okugoba. Ilaphu elingalukwanga linobuthukuthezi obuthambileyo, obunokubangela ukuncipha kokusebenza kokucoca kunye nokuchasana ngexesha lenkqubo yokunyibilika.
Nyibilikisa intloko yokungunda evuthelweyo (isalathisi esiqinileyo)
Izinto zokungunda kunye nenkqubo yokumisela ubushushu. Ukusebenzisa enye intsimbi yokubumba enesiphelo esisezantsi endaweni yoko kunokubangela iintanda ezifihlakeleyo ezingenakubonwa ngamehlo ngexesha lokusetyenziswa, ukusetyenzwa komngxuma orhabaxa, ukungachaneki kakuhle, kunye nokusebenza komatshini ngokuthe ngqo ngaphandle kokupholisha unyango. Ukubangela ukutshiza okungalinganiyo, ukuqina okulambathayo, ubunzima bokutshiza obungalinganiyo, kunye nokuqaqamba ngokulula.
Ukufunxa okusezantsi komnatha
Iiparamitha zenkqubo ezifana nomthamo womoya kunye noxinzelelo lokufunxa okungaphantsi komnatha
Isantya esiphezulu
Isantya somkhusane we-mesh sicotha, ubunzima belaphu elinyibilikisiweyo buphezulu, kwaye ukusebenza kakuhle kokucoca kuphezulu. Ngokuchasene noko, ikwayinyaniso.
Isixhobo se-polarizing
Iiparamitha ezifana ne-polarization voltage, ixesha le-polarization, i-polarization molybdenum umgama wocingo, kunye nokufuma kwendawo ye-polarization kunokuchaphazela umgangatho wokucoca.
Dongguan Liansheng Non woven Technology Co., Ltd.yasekwa ngoMeyi 2020. Lishishini elikhulu lemveliso yelaphu elingalukiweyo elidibanisa uphando nophuhliso, imveliso, kunye neentengiso. Inokuvelisa imibala eyahlukeneyo ye-PP spunbond amalaphu angalukwanga kunye nobubanzi obungaphantsi kwe-3.2 yeemitha ukusuka kwi-9 grams ukuya kwi-300 grams.
Ixesha lokuposa: Nov-28-2024