Hanyar da aka hura narke hanya ce ta shirya zaruruwa ta hanyar miƙewa polymer narke cikin sauri ta hanyar zafi mai zafi da busa iska mai saurin gudu. Ana dumama yankan polymer ɗin kuma ana matsa su zuwa wani narkakkar da wani mai zazzagewa, sa'an nan kuma ya wuce ta tashar rarraba narke don isa rami bututun ƙarfe a ƙarshen bututun. Bayan extrusion, ana ƙara tsaftace su ta hanyar miƙewa guda biyu masu haɗuwa da sauri da zafi mai zafi. Zaɓuɓɓukan da aka tace suna sanyaya kuma suna ƙarfafa su akan na'urar labulen raga don samar da masana'anta da ba a saka ba.
Ci gaba da narkewar fasahar samar da masana'anta da ba a saka ba ta sami ci gaba fiye da shekaru 20 a kasar Sin. Filayen aikace-aikacen sa sun faɗaɗa daga masu raba baturi, kayan tacewa, kayan shafe mai, da kayan rufewa zuwa likitanci, tsafta, kiwon lafiya, kariya, da sauran fannoni. Har ila yau, fasahar samar da ita ta haɓaka daga samar da narke guda ɗaya zuwa alkibla mai haɗaka. Daga cikin su, narke hura kumshin kayan da suka sha electrostatic polarization magani za a iya yadu amfani da iska tsarkakewa a cikin lantarki masana'antu, abinci, abin sha, sinadaran, filin jirgin sama, hotel da sauran wurare, kazalika da likita high-yi masks, masana'antu da farar hula kura tara tace bags, saboda su low farko juriya, babban kura rike iya aiki, da kuma high tacewa yadda ya dace.
Narke busa masana'anta da ba a saka ba da aka yi da kayan polypropylene (nau'in kyalle mai kyau na fiber electrostatic wanda zai iya ɗaukar ƙura) yana shafar abubuwa kamar girman pore fiber da kauri, waɗanda ke shafar tasirin tacewa. Barbashi na diamita daban-daban ana tace su ta hanyar ka'idoji daban-daban, kamar ƙarar barbashi, tasiri, ka'idodin watsawa da ke haifar da toshewar fiber, da wasu barbashi ana tace su ta hanyar filaye na lantarki ta hanyar ka'idodin jan hankali na electrostatic. Ana gudanar da gwajin ingancin tacewa a ƙarƙashin girman barbashi da aka ƙayyade ta ma'auni, kuma ma'auni daban-daban za su yi amfani da barbashi masu girma dabam dabam don gwaji. BFE sau da yawa yana amfani da barbashi aerosol na kwayan cuta tare da matsakaita diamita na 3 μm, yayin da PFE gabaɗaya yana amfani da barbashi tare da diamita na sodium chloride na 0.075 μm. Kawai daga hangen nesa na ingantaccen tacewa, PFE yana da tasiri mafi girma fiye da BFE.
A cikin daidaitaccen gwajin matakan masks na KN95, ana amfani da barbashi tare da diamita aerodynamic na 0.3 μm azaman abin gwajin, saboda barbashi da suka fi girma ko ƙasa da wannan diamita ana samun sauƙin shiga ta hanyar filaye masu tacewa, yayin da barbashi masu matsakaicin girman 0.3 μm sun fi wahalar tacewa. Ko da yake ƙwayoyin cuta ba su da girma, ba za su iya yada su kadai a cikin iska ba. Suna buƙatar ɗigon ruwa da ɗigon ɗigon ruwa a matsayin masu ɗaukar hoto don tarwatse a cikin iska, yana mai da su sauƙi don tacewa.
Babban fasahar masana'anta na narkewa shine don cimma ingantaccen tacewa yayin da rage juriya na numfashi, musamman don N95 da sama da yadudduka na narkewa, masana'anta na VFE, dangane da ƙirar iyakacin duniya masterbatch, aikin kayan narke, tasirin jujjuyawar layin narke, kuma musamman ƙari na madaidaicin iyakacin duniya, wanda zai shafi kauri da daidaiton fiber na spun. Samun ƙananan juriya da ingantaccen aiki shine mafi mahimmancin fasaha.
Abubuwan da ke shafar ingancin yadudduka na narkewa
MFI na kayan aikin polymer
Narkar da masana'anta, a matsayin mafi kyawun shingen shinge don abin rufe fuska, wani abu ne mai matuƙar kyau wanda ya ƙunshi filayen ultrafine da yawa masu tsaka-tsaki waɗanda aka jera a cikin bazuwar kwatance a ciki. Ɗaukar PP a matsayin misali, mafi girman MFI, mafi kyawun wayar da aka ciro yayin sarrafa busa narke, kuma mafi kyawun aikin tacewa.
Angle na zafi iska jet
The kusurwar zafi iska allura yafi rinjayar mikewa sakamako da fiber ilimin halittar jiki. Karamin kusurwa zai inganta samuwar dauren fiber daidai gwargwado a cikin koguna masu kyau, yana haifar da rashin daidaituwa na yadudduka marasa saƙa. Idan kusurwar tana karkata zuwa 90 °, za a samar da iska mai tarwatsewa sosai da tashin hankali, wanda ke ba da damar rarraba zaruruwa a kan labulen raga, kuma sakamakon narkewar masana'anta da aka hura zai sami kyakkyawan aikin anisotropy.
Gudun extrusion dunƙule
A ƙarƙashin yawan zafin jiki na yau da kullun, ƙimar extrusion na dunƙule ya kamata a kiyaye shi a cikin wani takamaiman kewayon: kafin mahimmin mahimmanci, saurin saurin extrusion, mafi girman ƙima da ƙarfin masana'anta na narkewa; Lokacin da ƙima mai mahimmanci ya wuce, ƙarfin ƙwayar narkewa a zahiri yana raguwa, musamman lokacin da MFI> 1000, wanda zai iya zama saboda rashin isasshen shimfiɗar filament da ke haifar da ƙimar haɓaka mai girma, wanda ke haifar da juyawa mai ƙarfi da raguwar fibers ɗin haɗin gwiwa a kan masana'anta, wanda ke haifar da raguwar ƙarfin masana'anta na narkewa.
Gudun iska mai zafi da zafin jiki
A karkashin yanayi guda na yanayin zafi, saurin dunƙulewa, da nisa (DCD), saurin saurin iska mai zafi, ƙarami da diamita na fiber, da taushin hannun hannu na masana'anta wanda ba a saka ba, yana haifar da ƙarin haɗakar fiber, wanda ke kaiwa zuwa mafi girma, santsi, da ƙarfi fiber yanar gizo.
Nisan karɓa (DCD)
Nisan karɓuwa mai tsayi fiye da kima na iya haifar da raguwa a tsayin tsayi da ƙarfi, da lankwasawa ƙarfi. Kayan da ba a saka ba yana da nau'i mai laushi, wanda zai iya haifar da raguwa a cikin aikin tacewa da kuma juriya a lokacin aikin narke.
Narke busa mold shugaban (hard index)
Mold abu da tsari yanayin zafin jiki. Yin amfani da wasu ƙananan ƙera ƙarfe a maimakon haka na iya haifar da ɓarna waɗanda idanu ba za su iya gani yayin amfani da su ba, sarrafa buɗaɗɗen buɗaɗɗe, rashin daidaito mara kyau, da aikin injin kai tsaye ba tare da goge goge ba. Yana haifar da feshin da bai dace ba, rashin ƙarfi mara kyau, kauri mara daidaituwa, da sauƙin crystallization.
Net kasa tsotsa
Tsarin tsari kamar ƙarar iska da matsa lamba don tsotsawar ƙasa
Gudun net
Gudun labulen raga yana jinkirin, nauyin masana'anta na narkewa yana da girma, kuma ingancin tacewa ya fi girma. Akasin haka, shi ma yana da gaskiya.
Na'urar mai sanyawa
Ma'auni kamar wutar lantarki na polarization, lokacin polarization, polarization molybdenum nisan waya, da zafi yanayi na polarization duk na iya shafar ingancin tacewa.
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: Nuwamba-28-2024