Nsalu zosalukidwa ndi polyester, polypropylene, nayiloni, spandex, acrylic, etc. kutengera kapangidwe kake; Zosakaniza zosiyanasiyana zidzakhala ndi masitayelo osiyanasiyana a nsalu zosalukidwa. Pali njira zambiri zopangira zopangira nsalu zosalukidwa, ndipo nsalu zosalukidwa zomwe zimasungunuka ndi njira yosungunulira. Ndi imodzi mwa njira zopangira nsalu zopanda nsalu komanso njira imodzi yopangira ma polima mwachindunji. Ndi njira yotulutsira polima kusungunula kuchokera ku screw extruder kudzera kuwulutsa kothamanga kwambiri komanso kutentha kwambiri kwa mpweya kapena njira zina zomwe zimapangitsa kuti madzi asungunuke kwambiri asungunuke ndikupanga ulusi wabwino kwambiri, womwe umasonkhanitsidwa pa ma mesh kupanga ng'oma kapena chinsalu cha mesh kupanga mauna a ulusi, Pomaliza, nsalu yosungunula yowombedwa yopanda nsalu imalimbikitsidwa ndi kudzimangiriza.
Sungunulani nsalu yowomberedwa makamaka imapangidwa ndi polypropylene monga zopangira zazikulu, ndipo makulidwe ake amatha kufika ma microns 1-5. Ulusi wabwino kwambiri wokhala ndi mawonekedwe apadera a capillary, monga ma voids angapo, mawonekedwe a fluffy, komanso kukana makwinya abwino, amawonjezera kuchuluka kwa ulusi pagawo lililonse, motero zimapangitsa kuti nsalu yosungunula ikhale ndi kusefa, kutchingira, kutsekereza, komanso kuyamwa mafuta. Itha kugwiritsidwa ntchito m'magawo monga zida zosefera mpweya ndi zamadzimadzi, zida zodzipatula, zida zoyamwitsa, zida zogoba, zotsekera, zotengera mafuta, ndi nsalu zopukutira.
Unyinji wa fiber wa wosanjikiza wosungunuka ndi wabwino kwambiri, makamaka pafupifupi ma microns 2 (um), kotero ndi gawo limodzi mwa magawo khumi a mainchesi a spunbond wosanjikiza. The finely Sungunulani kuwombedwa wosanjikiza, m'pamenenso akhoza kutsekereza kulowa ang'onoang'ono particles. Mwachitsanzo, chigoba cha KN95 chimatanthawuza kuthamanga kwa 85L komwe kumatha kutsekereza 95% ya tinthu tating'onoting'ono (0.3um) nthawi zonse. Izi zimagwira ntchito yofunika kwambiri pakusefa mabakiteriya ndikuletsa kulowa m'magazi, ndichifukwa chake amatchedwa mtima wa chigoba.
Traditional ndondomeko kuyenda
Kudyetsa polima → Kusungunula kutulutsa → Kupanga CHIKWANGWANI → Kuziziritsa kwa Ulusi → Kupanga mauna → Kumangirira (maukonde okhazikika) → Kudula m'mphepete ndi kupiringa → Kumaliza kapena kumaliza kwapadera
Kudyetsa polima - Zida zopangira polima za PP nthawi zambiri zimapangidwa kukhala tizigawo tating'ono tozungulira kapena granular, kutsanuliridwa mu ndowa kapena ma hopper, ndikudyetsedwa mu screw extruder.
Sungunulani extrusion - Pamapeto a chakudya cha screw extruder, tchipisi ta polima zimasakanizidwa ndi zida zofunikira monga zokhazikika, zoyera, ndi masterbatch amtundu. Pambuyo kusonkhezera bwino ndi kusakaniza, amalowa mu screw extruder ndipo amatenthedwa pa kutentha kwakukulu kuti asungunuke. Pomaliza, kusungunuka kumalowetsedwa mu spinneret kudzera mu fyuluta ndi pampu ya metering. Mu njira zosungunulira, ma extruder nthawi zambiri amachepetsa kulemera kwa ma polima kudzera pakumeta ubweya ndi kuwonongeka kwawo kwa kutentha.
Mapangidwe a Fiber - Kusungunula koyera koyeretsedwa kumayenera kudutsa njira yogawa ndikudyetsedwa mofanana mu gulu lirilonse la spinnerets, kotero kuti kuchuluka kwa extrusion kwa dzenje lililonse la spinneret kumagwirizana. Chophimba cha spinneret chosungunula ulusi wowombedwa ndi wosiyana ndi njira zina zopota chifukwa mabowo a spinneret ayenera kukonzedwa molunjika, ndi mabowo otulutsa mpweya wothamanga kwambiri kumbali zonse ziwiri.
Kuzizira kwa Fiber - Kuchuluka kwa mpweya wa kutentha kwa chipinda nthawi imodzi kumayamwa mbali zonse za spinneret, kusakanikirana ndi mpweya wotentha womwe uli ndi ultrafine fibers kuti uziziziritsa, ndipo ulusi wosungunuka wa ultrafine umakhazikika ndikukhazikika.
Mawonekedwe a Webusaiti - Popanga nsalu zosungunula zopanda nsalu, spinneret imatha kuyikidwa molunjika kapena molunjika. Ngati atayikidwa mopingasa, ndiye kuti ulusi wa ultrafine umapopera pa ng'oma yosonkhanitsa yozungulira kuti ipange mauna; Ngati atayikidwa molunjika, ulusiwo umagwera pa nsalu yotchinga ya mauna oyenda mopingasa ndikulumikizana kukhala mauna.
Zomatira (mauna osasunthika) - Zodzikongoletsera zodzikongoletsera zomwe zatchulidwa pamwambapa ndizokwanira pazifukwa zina za nsalu zosungunula, monga kufunikira kwa mauna a fiber kukhala ndi mawonekedwe a fluffy, kusunga mpweya wabwino kapena porosity, ndi zina zambiri.
Nthawi yotumiza: Dec-15-2023