Zogulitsa za Nsalu Zopanda Ubweya za Mesh Spunlace
Mafotokozedwe Akatundu
Changshu Yongdeli Spunlaced Nonwoven Fabric Co., Ltd. yakhala ikugwira ntchito kwambiri mumakampani opanga nsalu zopanda nsalu za spunlace kwa zaka zambiri. Chifukwa cha kudzipereka kwake pakupanga zinthu zatsopano zaukadaulo komanso kuwongolera bwino khalidwe, kampaniyo yakhazikitsa mbiri yabwino pantchitoyi. Potengera njira yake yopangira spunlace yokhwima komanso luso la R&D, kampaniyo yayambitsa zinthu zopangidwa ndi nsalu zopanda nsalu za mesh spunlace poyankha zofuna za msika za "kupuma bwino, kusefa, komanso kupepuka". Chogulitsachi chimapanga kapangidwe kofanana ka ukonde pamwamba pa nsalu kudzera munjira yapadera, kuphatikiza kufewa kwa nsalu yopanda nsalu ya spunlace ndi zabwino zogwirira ntchito za zinthu za ukonde, ndipo chimagwiritsidwa ntchito kwambiri m'magawo osiyanasiyana. Zotsatirazi ndi mawu oyamba mwatsatanetsatane kuchokera ku kayendedwe ka njira, zabwino zazinthu, mawonekedwe ofunikira, kulemera, ndi misika yoyenera.
I. Kuyenda kwa Njira ya Nsalu Yopanda Ulusi ya Mesh Spunlace
Pakatikati pa nsalu yopanda ulusi ya maukonde ndi kupanga maukonde olamulirika panthawi yolimbitsa maukonde a maukonde. Changshu Yongdeli Spunlaced Nonwoven Fabric Co., Ltd. imawonetsetsa kuti mawonekedwe, kugawa, ndi magwiridwe antchito a ukonde ndi olimba kudzera mukuwongolera bwino njira. Njira yeniyeniyo ndi iyi:
Kusankha ndi kusakaniza zinthu zopangira: Malinga ndi mphamvu ndi kufewa kwa chinthucho, zinthu zopangira ulusi wapamwamba kwambiri zimasankhidwa, kuphatikizapo mitundu yodziwika bwino monga polyester, ulusi wa viscose, ulusi wa thonje loyera, kapena ulusi wosakaniza (monga zosakaniza za polyester-viscose). Gulu laukadaulo lidzasintha chiŵerengero cha ulusi malinga ndi momwe ntchito ikuyendera. Mwachitsanzo, m'munda wazachipatala, ulusi wa viscose wokhala ndi khungu labwino ndi womwe umakondedwa, pomwe m'munda wamafakitale, gawo la polyester limawonjezeka kuti liwonjezere mphamvu, kuonetsetsa kuti chinthucho chikugwira ntchito bwino kuchokera ku gwero.
Kutsegula ndi kusakaniza: Ulusi wodulidwa umafalikira pogwiritsa ntchito zipangizo zotsegulira kuti achotse zinyalala ndi ulusi waufupi, zomwe zimapangitsa ulusiwo kukhala wofewa; kenako umalowetsedwa mu zipangizo zosakaniza malinga ndi chiŵerengero chomwe chakonzedwa kale ndikusakanizidwa mofanana kudzera mu makina osakaniza kuti apewe kusonkhana kwa ulusi, zomwe zimayika maziko a kufanana kwa mapangidwe a makadi ndi ukonde.
Kukonza ma card ndi kupangidwa kwa ukonde: Ulusi wosakanikirana umalowa mu makina okonza ma card olondola kwambiri, komwe umapesedwa ndi kuwongoledwa ndi ma singano ndikuyikidwa mu ukonde wopitilira, wofanana malinga ndi makulidwe. Poyerekeza ndi nsalu wamba zosaluka za spunlace, ukonde uli ndi zofunikira zapamwamba kuti ukonde ukhale wofanana. Akatswiri adzayang'anira kusiyana kwa makulidwe a ukonde nthawi yeniyeni (mkati mwa ±2%), ndikuwonetsetsa kuti ukonde wotsatira umakhala wofanana.
Kupanga maukonde ndi kulimbitsa spunlace (njira yoyambira): Iyi ndi njira yofunika kwambiri yopangira maukonde spunlace nonwoven nsalu, yomwe imasiyana ndi "kulimbitsa kwathunthu" kwa spunlace wamba. Njirayi imakwaniritsa maukonde kudzera m'njira ziwiri:
Chitsulo cha Template: Chitsulo chachitsulo chokhala ndi mainchesi enieni a mabowo (0.1-5mm) ndi mapatani enaake (monga ozungulira, ozungulira, kapena ozungulira) chimayikidwa pansi pa ukonde. Madzi amphamvu (8-15MPa) amathiridwa kuchokera pamwamba. Ulusi womwe uli m'malo omwe sanaphimbidwe ndi chitsulocho (ofanana ndi malo a maukonde) umakhudzidwa ndi madzi ndipo umalowa ndi madzi, ndikupanga "maukonde otseguka", pomwe madera omwe ali ndi chitsulocho amalimbikitsidwa ndi kutsekeka kwa ulusi kudzera mu madzi, pamapeto pake amapanga kapangidwe kokhazikika ka "malo olimbikitsidwa + malo otetezedwa".
Chitsulo chapadera chothandizira: Ulusi wothandizira wa polyester wokhala ndi mapangidwe okwezeka (malo ofanana ndi kukula kwa ukonde) umagwiritsidwa ntchito. Ulusi umayikidwa pa ukonde wothandizira, ndipo madzi othamanga kwambiri akathiridwa, magawo okwezedwa a ukonde wothandizira amathandizira ukonde kuti apange "malo othandizira", pomwe ulusi m'zigawo zopindika umakokedwa mosavuta ndikupindika chifukwa cha kukhudzidwa ndi madzi, ndikupanga maukonde mwachilengedwe. Kampaniyo idzasankha njirayo kutengera zofunikira za ukonde molondola. Njira ya template ndi yoyenera pazochitika zomwe zimafuna mainchesi enieni a mabowo (monga kusefa kwachipatala), pomwe njira yothandizira ukonde ndi yoyenera pazinthu zazikulu za ukonde (monga pamwamba pa zinthu zaukhondo).
Kuchotsa madzi ndi kuumitsa: Nsalu yonyowa ya spunlace yopanda ulusi imalowa kaye mu chipangizo chochotsera madzi cha vacuum kuti ichotse 70%-80% ya madzi, kuchepetsa mphamvu yogwiritsira ntchito kuumitsa; kenako imalowa mu chipangizo chowumitsa mpweya wotentha ndipo imaumitsa pa 80-120°C, kuwongolera chinyezi mkati mwa 5%. Panthawi yowumitsa, kutentha ndi liwiro la mpweya ziyenera kulamulidwa bwino kuti maukonde asawonongeke chifukwa cha kuchepa kwa kutentha ndikuwonetsetsa kuti kukula kwa ukonde kuli kokhazikika. Kuchotsa madzi ndi Kudula: Kuchotsa madzi kumachitika kutengera zomwe makasitomala amafuna, ndi njira zodziwika bwino kuphatikizapo chithandizo chothandiza madzi (kuti ziwonjezere liwiro la kuyamwa kwa madzi pazinthu zaukhondo), chithandizo choletsa mabakiteriya (chamankhwala), ndi chithandizo choletsa kusinthasintha (chogwiritsidwa ntchito mumakampani amagetsi). Kuchotsa madzi pambuyo pake, zinthuzo zimadulidwa m'mapepala kapena mapepala okhala ndi mulifupi wokonzedweratu (1-3m) ndi kutalika pogwiritsa ntchito zida zodulira kuti zikwaniritse zosowa za kukonza pansi.
Kuyang'anira Ubwino ndi Kusunga Zinthu: Kuwonjezera pa kuwunika mawonekedwe ndi mphamvu zomwe zimachitika nthawi zonse, njira yowunikira ubwino imayang'ana kwambiri pakuwonjezera "kuyang'anira ma mesh parameter". Kupatuka kwa m'mimba mwa dzenje la mesh (kolamulidwa mkati mwa ±0.05mm) ndi kuchuluka kwa ma mesh distribution (monga kuchuluka kwa mabowo a mesh pa sikweya sentimita imodzi) kumayesedwa pogwiritsa ntchito chida choyezera chithunzi kuti zitsimikizire kuti zikugwirizana ndi zofunikira za makasitomala. Nthawi yomweyo, kulola mpweya kulowa (koyesedwa ndi woyesa mpweya kulowa, kolamulidwa mkati mwa 500-3000L/m²・s) kumayesedwanso. Zinthu zoyenerera zokha ndi zomwe zingasungidwe m'nyumba yosungiramo zinthu.
II. Ubwino wa Nsalu Yopanda Ulusi ya Mesh Spunlace
Mpweya Wapamwamba ndi Kulowa kwa Chinyezi: Kapangidwe ka mauna ofanana pamwamba pa nsalu kamathandizira kwambiri kuyendetsa bwino kwa mpweya ndi nthunzi ya madzi. Poyerekeza ndi nsalu wamba zopanda nsalu, kulowa kwa mpweya kumawonjezeka ndi 30% mpaka 80%, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito komwe "kopanda zinthu" kumafunika kwambiri, monga pamwamba pa matewera a ana ndi chovala choteteza chachipatala chomwe chimatha kupumira, zomwe zimachepetsa bwino kumva kukhuthala ndi kusunga chinyezi.
Kusefa Kolondola ndi Kutulutsa Madzi: Kukula kwa maukonde kumatha kulamulirika (0.1-5mm), zomwe zimathandiza kuti pakhale mapangidwe a maenje ozungulira kuti pakhale "kutsekereza tinthu tating'onoting'ono" kapena "kutsekereza madzi mwachangu". Mwachitsanzo, chinthu chokhala ndi maenje ozungulira 0.5mm chingagwiritsidwe ntchito kusefedwa mpweya (kutsekereza tinthu ta fumbi), pomwe chinthu chokhala ndi maenje ozungulira 2mm chingagwiritsidwe ntchito kusefedwa kwa zinthu zaukhondo (kufalitsa madzi mwachangu ndikuletsa kusonkhana kwa malo).
Zopepuka komanso zosunga zinthu Ubwino: Pansi pa zofunikira zomwezo za mphamvu, kapangidwe ka maukonde kamalowa m'malo mwa "zolimbitsa zonse" ndi "zolimbitsa zakomweko", kuchepetsa kugwiritsa ntchito ulusi ndi 15% mpaka 30%, zomwe zimapangitsa kuti chinthucho chikhale chopyapyala (kulemera kochepa kumatha kufika 20g/㎡), ndikuchepetsa nthawi yomweyo ndalama zopangira, kukwaniritsa zofunikira "zopepuka komanso zochepetsera ndalama" za makasitomala otsika.
Kufewa ndi Kusamalira Khungu Ubwino: Kusunga kapangidwe ka ulusi wolumikizana ndi nsalu yopanda ulusi ya spunlace, m'mbali mwa maukonde ndi osalala popanda ma burrs, zomwe zimapangitsa kuti khungu likhale lofewa likakhudzana ndi khungu komanso palibe kuyabwa. Malinga ndi miyezo ya ISO 12826, kuchuluka kwa khungu la chinthucho ndikwabwino kuposa kwa zinthu wamba zotenthedwa, zomwe zimapangitsa kuti chikhale choyenera kugwiritsidwa ntchito pazinthu zaukhondo zomwe makanda ndi anthu omwe ali ndi khungu lofewa amagwiritsa ntchito.
III. Makhalidwe a Nsalu Yopanda Ulusi ya Mesh Spunlace
Kapangidwe ka Mesh Kokhazikika ndi Kowongoleredwa: Pogwiritsa ntchito ma templates kapena njira zapadera za mesh, kukula kwa dzenje, mawonekedwe, ndi kuchuluka kwa ma mesh kumatha kupangidwa bwino. Panthawi yowuma, kuwongolera kutentha kumagwiritsidwa ntchito popewa kusintha kwa mesh, kuonetsetsa kuti magawo a mesh a magulu osiyanasiyana azinthu ali ndi kusiyana kochepera 5%, kusunga magwiridwe antchito okhazikika pakugwiritsa ntchito pansi (monga kusefa kosalekeza komanso kuthamanga kwa madzi).
Kulinganiza Mphamvu ndi Mpweya: Ngakhale kuti malo a maukonde ndi "mapangidwe a lattice", malo olimbikitsidwawo amakwaniritsa kutsekeka kwa ulusi wolimba kudzera mu waterjet yothamanga kwambiri, zomwe zimapangitsa kuti mphamvu ya maukonde a nthawi yayitali komanso yopingasa ya chinthucho ifike pa 10-30N/5cm (yosinthidwa malinga ndi kulemera), kukwaniritsa zofunikira pakukoka ndi kukangana pakugwiritsa ntchito tsiku ndi tsiku ndikupewa mphamvu yokwanira chifukwa cha mabowo a maukonde.
Kusamalira Zachilengedwe ndi Kuwonongeka kwa Zamoyo: Ngati ulusi wachilengedwe monga thonje ndi viscose ugwiritsidwa ntchito, chinthucho chikhoza kuwonongeka mwachilengedwe chikatayidwa (ndi kuchuluka kwa kuwonongeka kwa 90%, kukwaniritsa miyezo ya GB/T 28018-2011). Njira yopangira sikuphatikizapo kuwonjezera zomatira za mankhwala, kokha kulimbitsa madzi ndi komwe kumagwiritsidwa ntchito, popanda zinthu zovulaza zomwe zatsala, zogwirizana ndi zomwe zikuchitika m'chilengedwe.
Kusinthasintha Kwamphamvu kwa Kapangidwe ka Maukonde: Kapangidwe ka maukonde sikukhudza momwe zinthu zimadulidwira, kusoka, ndi kutsekereza kutentha. Kakhoza kusakanikirana ndi mafilimu ndi nsalu zina zopanda ulusi kuti zigwiritsidwe ntchito, ndipo malo a maukonde amatha kukhala "malo olumikizirana" kuti awonjezere mphamvu ya maukonde. Mwachitsanzo, akaphatikizidwa ndi filimu ya PE, guluu limatha kulowa m'mabowo a maukonde, ndikuwonjezera mphamvu ya maukonde ndi zoposa 20%.
IV. Kulemera kwa Nsalu Yopanda Ulusi ya Mesh Spunlace Nsalu yopanda ulusi ya mesh spunlace yopangidwa ndi Changshu Yongdeli Spunlaced Nonwoven Fabric Co., Ltd. ili ndi kulemera kwa 20g/㎡ mpaka 100g/㎡.Ikhoza kusinthidwa mosavuta malinga ndi kukula ndi mphamvu zomwe mabowo ake ali nazo. Makhalidwe ndi momwe mungagwiritsire ntchito pamtundu uliwonse wa kulemera ndi awa:
Zinthu zolemera zochepa (20g/㎡ - 40g/㎡): Zopepuka, zofewa, komanso zokhala ndi mabowo ambiri (30% - 50%), zimakhala ndi mpweya wabwino kwambiri ndipo zimagwiritsidwa ntchito kwambiri pazinthu zaukhondo (monga pamwamba pa matewera a ana ndi zinthu zaukhondo za akazi), mkati mwa masks azachipatala (kuti mpweya ukhale wofewa komanso womasuka), ndi zinthu zosefera kuwala (monga chophimba chachikulu cha ma air conditioner).
Zinthu zolemera pang'ono (41g/㎡ - 70g/㎡): Zimaphatikiza mpweya wabwino ndi mphamvu, ndi dzenje lozungulira la 20% - 30%, ndipo ndizoyenera zovala zodzitetezera zachipatala zomwe zimapumira (kuti chitetezo chikhale chofanana ndi mpweya wabwino), zinthu zopukutira zonyowa (mabowo a ukonde amafulumizitsa kulowa kwa madzi ndikuwongolera kupukuta bwino), ndi nsalu yophimba mbande zaulimi (kuti zisunge chinyezi ndikulimbikitsa kumera kwa mbewu).
Zinthu zolemera kwambiri (71g/㎡ - 100g/㎡): Zili ndi mphamvu zambiri, zokhala ndi m'mbali mwa maukonde olimba kwambiri komanso kuchuluka kwa maukonde a 10% - 20%. Ndizoyenera nsalu zosefera zamafakitale (monga nsalu yosefera mafuta a makina), nsalu yoyeretsera yapakhomo (maukonde amayamwa fumbi ndi madontho a mafuta, osasiya zotsalira mutapukuta), ndi pamwamba pa mapepala osamalira ziweto (olimba komanso osuntha mkodzo wa ziweto mwachangu kupita ku gawo loyamwa).
V. Kuchuluka kwa Ntchito ya Nsalu Yopanda Ulusi ya Mesh Spunlace
Msika wa Zaukhondo: Iyi ndi njira yaikulu yogwiritsira ntchito nsalu yopanda ulusi ya maukonde. Ndi ubwino wa kupumira mpweya komanso kutulutsa madzi, imagwiritsidwa ntchito kwambiri pamwamba pa matewera a ana (olemera pang'ono 25g/㎡, mulifupi mwake muli dzenje 1-2mm, imachotsa mkodzo mwachangu ndikusunga khungu louma), pamwamba pa zinthu zaukhondo za akazi (30g/㎡, yopumira komanso yoletsa kutsekeka), komanso pamwamba pa zinthu za anthu akuluakulu osadziletsa (40g/㎡, imafalitsa madzi ndikupewa chinyezi chapafupi). Mwachitsanzo, kampani yodziwika bwino ya matewera itagwiritsa ntchito chinthu cha 25g/㎡ chozungulira, ogwiritsa ntchito adanenanso kuti kuchuluka kwa "matako ofiira" kwachepa ndi 30%, ndipo kuchuluka kwa kugulanso zinthu kunakwera.
Msika Wachipatala ndi Zaumoyo: Potengera ubwino wake pa chilengedwe, kupuma bwino, komanso kusinthasintha kwa kusefa, imagwiritsidwa ntchito mu zovala zodzitetezera zachipatala zomwe zimapumira (zolemera zapakati 50g/㎡, m'mimba mwake mwa dzenje 0.5mm, kuwonjezera mpweya wabwino pamene mukuonetsetsa chitetezo, kuchepetsa kusasangalala kwa ogwira ntchito zachipatala chifukwa cha kutentha), gawo lamkati la masks azachipatala (20g/㎡, lofewa komanso logwirizana ndi khungu, lowonjezera kumasuka povala), ndi zipangizo zosefera zachipatala (45g/㎡, m'mimba mwake mwa dzenje 0.3mm, zomwe zimagwiritsidwa ntchito posefera mpweya m'zipinda zochitira opaleshoni kuti ziteteze tinthu ta bakiteriya). Zogulitsazi zikutsatira miyezo monga YY/T 0334-2022 "Cotton Yoyamwitsa Zachipatala" ndi GB 19083-2010 "Zofunikira Zaukadaulo pa Masks Oteteza Zachipatala", ndipo zimatha kupambana mayeso ovomerezeka a chipani chachitatu.
Msika Woyeretsa Pakhomo ndi Pakhomo: Chifukwa cha kufunikira kwakukulu kwa "kuyeretsa bwino komanso kupumula bwino", zinthuzi zimagwiritsidwa ntchito mu nsalu zotsukira zapakhomo (zolemera kwambiri 80g/㎡, mabowo otayira fumbi ndi madontho a mafuta, palibe zotsalira pambuyo popukuta), nsalu za patebulo zotayidwa (zopangidwa ndi 60g/㎡, zopumira bwino komanso zosadzaza, ndipo mabowo otayira amathandiza kupindika ndi kusungira), ndi pamwamba pa mapepala osamalira ziweto (zopangidwa ndi 70g/㎡, zolimba komanso zosagwa, zomwe zimasuntha mkodzo wa ziweto mwachangu kupita ku gawo loyamwa). Mwachitsanzo, nsalu yotsukira yapakhomo yokhala ndi mabowo otayira ngati diamondi ili ndi mphamvu yoyeretsa yapamwamba ndi 40% kuposa nsalu wamba yopanda ulusi ndipo ndi yosavuta kuyeretsa ndikugwiritsanso ntchito.
Msika Wosefera Zamakampani: Kuti akwaniritse kufunikira kwa "kusefera fumbi ndi mafuta" m'mafakitale, imagwiritsidwa ntchito mu nsalu yosefera mafuta ya zida zamakina (yolemera kwambiri 90g/㎡, mainchesi a maukonde 0.8mm, kutsekereza tinthu ta mafuta ndikuwonetsetsa kuti zida zikuyenda bwino), zosefera mpweya (40g/㎡, mainchesi a dzenje 0.3mm, kusefera fumbi koyamba, kukonza magwiridwe antchito onse osefera akaphatikizidwa ndi zosefera za HEPA), ndi zosefera mpweya woziziritsa m'galimoto (50g/㎡, zopumira komanso zotsekereza mungu ndi fumbi, kukonza mpweya wabwino wamkati). Zogulitsazi zimakhala ndi kukana kutentha mpaka 80℃, kukwaniritsa zofunikira pakugwiritsa ntchito mafakitale. Misika ya Ulimi ndi Yakunja: Zochitika zogwiritsira ntchito zikupitilira kukula. Mu gawo la ulimi, imagwiritsidwa ntchito ngati nsalu yophimba mbande (45g/㎡ chinthu cholemera pang'ono, chokhala ndi dzenje la 1mm, chopumira komanso chosunga chinyezi, cholimbikitsa kumera kwa mbewu ndikuletsa kuwonongeka kwa tizilombo), komanso ngati nsalu yoletsa udzu (100g/㎡ chinthu cholemera kwambiri, cholola madzi kudutsa mu dzenje kuti aletse kukula kwa udzu). Mu gawo lakunja, imagwiritsidwa ntchito ngati gawo lopumira la mahema akunja (55g/㎡ chinthu, chopumira komanso chochotsa thukuta, choletsa kuuma mkati mwa hema), komanso ngati chovala chamkati choteteza dzuwa (35g/㎡ chinthu, chopepuka komanso chopumira, chowonjezera chitonthozo pakuvala).
Changshu Yongdeli Spunlaced Nonwoven Fabric Co., Ltd. nthawi zonse imatenga zosowa za makasitomala ngati chitsogozo, ndikupititsa patsogolo njira yogwiritsira ntchito nsalu yopanda nsalu ya maukonde. Imatha kusintha mawonekedwe a maukonde (ozungulira, ozungulira, ozungulira), kukula kwa maukonde (0.1-5mm), ndi mawonekedwe ogwira ntchito (otsutsana ndi mabakiteriya, okonda madzi, odana ndi static) malinga ndi zosowa za makasitomala. M'tsogolomu, kampaniyo ipanganso zinthu zatsopano monga "maukonde abwino kwambiri" ndi "maukonde ophatikizika", kukulitsa ntchito m'magawo apamwamba azachipatala komanso olondola, kupatsa makasitomala mayankho apamwamba komanso ofunikira, ndikukwaniritsa chitukuko chopambana.
