Izindwangu ezingalukiwe zihlanganisa i-polyester, i-polypropylene, inayiloni, i-spandex, i-acrylic, njll ngokusekelwe ekwakhiweni kwazo; Izithako ezihlukene zizoba nezitayela ezihluke ngokuphelele zezindwangu ezingalukiwe. Ziningi izinqubo zokukhiqiza zokwenziwa kwezindwangu ezingalukiwe, futhi incibilikisa indwangu engalukiwe ephephetheka iyinqubo yokuncibilika kwendlela yokuncibilika. Ingenye yezinqubo zokukhiqiza indwangu engalukiwe futhi ingenye yezindlela eziqondile zokwenza i-polymer mesh. Kuyinqubo yokuncibilika kwe-polymer encibilikayo kusuka ku-screw extruders ngokusebenzisa ukugeleza komoya okunesivinini esikhulu kanye nezinga eliphezulu lokushisa noma ezinye izindlela zokubangela ukwelula okukhulu kokuncibilika futhi kwakhiwe imicu emincane kakhulu, ebese iqoqana ku-mesh eyenza isigubhu noma ikhethini le-mesh ukwenza i-fiber mesh, Ekugcineni, indwangu encibilikisiwe ye-fiber nonwoven iqiniswa ngokuzibopha.
Indwangu encibilikayo eqhunyiswa ngokuyinhloko yenziwe nge-polypropylene njengento eyinhloko eluhlaza, futhi ububanzi be-fiber bungafinyelela kuma-microns angu-1-5. Imicu ye-ultra-fine enezakhiwo zama-capillary eziyingqayizivele, njengama-voids amaningi, isakhiwo esithambile, nokumelana okuhle nokushwabana, yandisa inombolo nendawo yefiber endaweni yeyunithi ngayinye, ngaleyo ndlela yenza indwangu encibilikayo ephephethwayo ibe nokuhlunga okuhle, ukuvikela, ukwahlukanisa, kanye nezakhiwo zokumunca uwoyela. Ingasetshenziswa emikhakheni efana nezinto zokuhlunga komoya kanye noketshezi, izinto zokuzihlukanisa, izinto ezimuncayo, izinto zokufihla ubuso, izinto zokufaka uwoyela, izinto ezimunca uwoyela, nezindwangu zokusula.
Idayamitha yefibre yongqimba oluphephukayo muhle kakhulu, ngokuyisisekelo izungeze ama-microns angu-2 (um), ngakho-ke iyingxenye eyodwa kuphela eshumini yobubanzi bongqimba lwe-spunbond. Uma ungqimba oluncibilikayo luncibilika lucoliseka, kulapho lungavimba khona ukungena kwezinhlayiya ezincane. Isibonelo, imaski ye-KN95 isho izinga lokugeleza elingu-85L elingavimba u-95% wezinhlayiya ezincane (0.3um) ngaphansi kwezimo ezijwayelekile. Lokhu kudlala indima ebalulekile ekuhlungeni amagciwane nokuvimbela ukungena kwegazi, yingakho ibizwa ngokuthi inhliziyo yesifihla-buso.
Ukugeleza kwenqubo yendabuko
Ukondla nge-polymer → Ukuncibilika okuncibilikisayo → Ukwakheka kwefayibha → Ukupholisa ifayibha → Ukwakheka kwemeshi → I-Bonding (inenetha elilungisiwe) → Ukusika unqenqema nokusonga → Ukuqedwa kokuthunyelwe noma ukuqedwa okukhethekile
Ukondla nge-polymer - Izinto zokusetshenziswa ze-polymer ze-PP ngokuvamile zenziwa zibe izingcezu ezincane eziyindilinga noma eziyimbudumbudu, zithelwe emabhakedeni noma kuma-hopper, bese zifakwa kuma-screw extruder.
I-Melt extrusion - Ekupheleni kokuphakelayo kwe-screw extruder, ama-chips e-polymer ahlanganiswe nezinto ezingavuthiwe ezidingekayo njengeziqinisi, ama-ejenti amhlophe, ne-masterbatch yombala. Ngemva kokunyakazisa nokuxutshwa ngokuphelele, zingena ku-scruder yesikulufa futhi zishiswe ezingeni lokushisa eliphezulu ukuze zenze ukuncibilika. Ekugcineni, ukuncibilika kufakwa ku-spinneret ngesihlungi ngephampu yemitha. Ezinqubweni zokuncibilika okuncibilikisiwe, ama-extruder ngokuvamile anciphisa isisindo samangqamuzana ama-polymers ngokusebenzisa ukugunda kwawo kanye nemiphumela yokuwohloka kokushisa.
Ukwakhiwa kwe-Fiber - I-melt ehlanzekile ehlungiwe idinga ukuhamba ngesistimu yokusabalalisa bese inikezwa ngokulinganayo eqenjini ngalinye lama-spinnerets, ukuze inani lokukhipha imbobo ngayinye ye-spinneret lihambisane. Ipuleti le-spinneret lemicu encibilikayo encibilikayo lihlukile kwezinye izindlela zokuphotha ngokuthi izimbobo ze-spinneret kufanele zihlelwe ngendlela eqondile, enezimbobo ze-spout zokugeleza komoya ezihamba ngesivinini esiphezulu nhlangothi zombili.
Ukupholisa i-Fiber - Inani elikhulu lomoya wegumbi lokushisa limuncwa kanyekanye ezinhlangothini zombili ze-spinneret, lixutshwe nokugeleza komoya oshisayo oqukethe imicu ye-ultrafine ukuze uzipholise phansi, futhi imicu ye-ultrafine encibilikisiwe iyapholiswa futhi iqiniswe.
Ukwakhiwa kwewebhu - Ekukhiqizeni izindwangu ezincibilikayo ze-fiber nonwoven, i-spinneret ingabekwa ngokuvundlile noma ngokuqondile. Uma ibekwe ngokuvundlile, khona-ke imicu ye-ultrafine ifafazwa esigubhu seqoqo esiyindilinga ukuze yenze inetha; Uma ibekwe mpo, imicu izowela ekhethini lemeshi elinyakazayo bese ijiya ibe yinetha.
I-Adhesive (i-fixed mesh) - I-self-adhesive reinforcement eshiwo ngenhla yanele ngezinjongo ezithile zezindwangu ezincibilikayo ezincibilikayo, ezifana nokudinga i-fiber mesh ukuba ibe nesakhiwo esithambile, ukugcinwa kahle komoya noma i-porosity, njll. Ngezinye izinhloso eziningi, ukuqinisa i-self-adhesive yedwa akwanele, futhi i-hot rolling bonding, i-ultrasonic bonding iyadingeka futhi ezinye izindlela ezidingekayo.
Isikhathi sokuthumela: Dec-15-2023