Nsalu Zopanda Mpweya Wopangidwa ndi Mpweya Wopanda Mpweya

1. Ubwino waukulu wa nsalu yopanda ulusi yomwe sinapangidwe kale: Kupambana pakugwira ntchito kwapadera kwa ulusi

Nsalu yopanda ulusi yomwe idapangidwa kale imachokera ku "ulusi wa carbon precursor pre-oxidized", kuphatikiza mawonekedwe a spunlace popanda kulimbitsa zomatira. Imakwaniritsa kupambana kwamitundu yonse kuposa nsalu wamba zopanda ulusi chifukwa chosinthasintha kwambiri pa chilengedwe, kukhazikika kwa mankhwala, komanso magwiridwe antchito a kapangidwe kake. Ubwino waukulu umawonekera m'magawo asanu:

1. Kukana kutentha kwambiri komanso kuchedwa kwa moto, chotchinga choteteza chilengedwe kwambiri

Kukana kutentha bwino: Ulusi wopangidwa kale umalandira chithandizo chapadera cha okosijeni kuti ukhale gawo la kapangidwe kake kozungulira, komwe kumatha kugwira ntchito mokhazikika pa 220°C kwa nthawi yayitali. Mphamvu yosungira mphamvu ndi 100% ikagwiritsidwa ntchito mosalekeza pa 240°C, imayamba kuwola pang'onopang'ono pa 370°C, ndikuyamba kusungunuka koma siisungunuka pa 400°C, zomwe zimathetsa mavuto onse a kusungunuka kwa nsalu zopanda ulusi wa mankhwala ndi kutentha kwambiri komanso kuwotcha nsalu zopanda ulusi wa thonje.

Kuzimitsa moto wokha popanda kudontha: Uli ndi mphamvu zachilengedwe zozimitsa moto. Ukayikidwa pamoto, umangopanga kaboni ndipo suyaka. Panthawi yoyaka, palibe kuchepa kapena kusungunuka kwa moto. Lawilo limazima nthawi yomweyo lawilo litachotsedwa, ndipo kuletsa moto kumafika pa muyezo wa GB 8624-2012 A, zomwe zimaletsa kufalikira kwa moto ndikuonetsetsa kuti antchito ndi zida zili otetezeka.

2. Kukana dzimbiri kwa mankhwala okhala ndi miyeso yonse, kusinthasintha kwamphamvu kuzinthu zowopsa

Kukana dzimbiri kwa ma spectrum ambiri popanda ngodya zofewa: Kumapirira bwino ma asidi amphamvu (monga 98% sulfuric acid), maziko olimba (monga 40% sodium hydroxide solution), ndi zinthu zosiyanasiyana zosungunulira zachilengedwe (ethanol, acetone, mafuta a injini, ndi zina zotero). Kuchepa kwa mphamvu yosweka mutatha kuviika kwa maola 72 ndi ≤5%, bwino kwambiri kuposa nsalu zopanda ulusi za polyester (kuchepa kwa nthawi zambiri kumakhala >30%).

Kulekerera zachilengedwe kokhazikika: Mu chinyezi chambiri (chinyezi cha 95%), kupopera mchere wambiri (malo okhala m'mphepete mwa nyanja), komanso mikhalidwe yoipitsidwa ndi mafakitale, palibe nkhungu, dzimbiri, kapena kuwonongeka kwa magwiridwe antchito. Nthawi yogwira ntchito ndi nthawi 3-5 kuposa nsalu wamba zopanda ulusi wa mankhwala, zoyenera kugwiritsidwa ntchito panja komanso m'mafakitale kwa nthawi yayitali.

3. Kapangidwe koyenera, magwiridwe antchito okhazikika m'malo ouma komanso onyowa

Mphamvu yabwino kwambiri ya spunlace: Pogwiritsa ntchito njira zinayi zolondola za spunlace zotsika mphamvu, kuchuluka kwa ulusi wa spunlace ndi kokwera ndi 25% kuposa njira zobowola singano. Mphamvu yosweka kwa nthawi yayitali ndi ≥20N/5cm, mphamvu yosweka yopingasa ndi ≥15N/5cm, ndipo mphamvu yosungira madzi imakhala yoposa 95%. Palibe kutayika kapena kuwonongeka pambuyo popinda ndi kukangana mobwerezabwereza.

Kukhazikika kwabwino kwambiri kwa miyeso: Pambuyo pokonza kutentha kwambiri ndi kuyika, kusiyana kwa miyeso ndi ≤1% mkati mwa kutentha kwa -40°C mpaka 200°C, kotsika kwambiri kuposa nsalu wamba zopanda ulusi (nthawi zambiri 3%-5%), zomwe zimatha kusunga mawonekedwe ake kwa nthawi yayitali ndikukhala oyenera zochitika zomwe zimafunikira kulondola kwambiri monga kutseka zida molondola komanso zovala zapadera zodzitetezera.

4. Kugwirizana kwamphamvu kwa magwiridwe antchito, kusintha kwa zinthu zambiri komanso kusintha

Kupangidwa mwaluso kwambiri: Kumathandizira kusintha kwa kapangidwe kake kosiyanasiyana monga kuluka kosavuta, mawonekedwe okhuthala a maukonde, ndi kapangidwe ka dzenje lopindika. Kuphimba pa mita imodzi ndi 50-300g, ndipo kumatha kukonzedwa kudzera mu kudula, kuphatikiza, kuphimba, ndi zina zotero, ndi chiwopsezo chotayika cha <1.5%, choyenera zosowa zosiyanasiyana kuyambira chitetezo chosinthika mpaka kutseka kolimba. Kugwira Ntchito Mogwirizana Popanda Kukangana: Potengera kusunga magwiridwe antchito oyamba, ma module osiyanasiyana ogwira ntchito monga kuphimba kosayaka moto, kuyika koyendetsa, ndi kuyika kwa adsorption amatha kuphatikizidwa. Mwachitsanzo, mutawonjezera graphite, kutchingira kwamagetsi kumatha kuchitika; powonjezera tinthu ta kaboni tomwe timayatsidwa, kuyika kwa mpweya wotuluka kumatha kukulitsidwa, ndipo magwiridwe antchito apakati a kukana kutentha kwambiri komanso kuchedwa kwa moto sadzakhudzidwa.

5. Chitetezo cha chilengedwe ndi chitetezo chili bwino, cholamulirika nthawi yonse ya moyo

Kuyeretsa njira zopangira: Pogwiritsa ntchito chingwe chopangira chotsekedwa bwino komanso choyera, njira yopangira singano imangogwiritsa ntchito madzi ndi magetsi okha. Kudzera mu njira yosefera madzi, kuchuluka kwa madzi ogwiritsidwanso ntchito kumafika pa 90%, popanda mpweya woipa kapena zinyalala, ndipo imagwirizana ndi miyezo yoteteza chilengedwe.

Kutaya zinyalala motetezeka: Pambuyo pozitaya, zimatha kusinthidwa kukhala carbon slag yopanda chilengedwe kudzera mu carbonization yotentha kwambiri, popanda kutulutsa mpweya wapoizoni, kapena kubwezeretsedwanso ngati zipangizo zopangira ulusi wa carbon kuti tipewe mavuto owononga chilengedwe omwe amayamba chifukwa cha nsalu zachikhalidwe zosalukidwa zomwe zimaletsa moto zomwe zimakhala ndi zinthu zoletsa moto za halogen.

II. Zinthu zazikulu za nsalu yosalukidwa ya spunlace yomwe sinalukidwe: Ubwino wosiyanasiyana womwe umakhudza mwachindunji mavuto omwe amabwera chifukwa cha kuzizira

Nsalu yopangidwa kale ya spunlace yopanda ulusi imayang'ana kwambiri pa "kusinthasintha kwakukulu kwa chilengedwe" monga maziko ake, kuphatikiza ndi ubwino wa kapangidwe kake ka njira ya spunlace, ndikupanga zinthu zitatu zosiyana zomwe zimathetsa bwino ululu wapakati pa minda yapadera:

1. Kukana kutentha kwambiri + Kusadontha madzi: Kupambana kwakukulu kwa chitetezo chosayaka moto

Pa zochitika monga kuzimitsa moto ndi zitsulo komwe kuli zoopsa za "kutentha kwambiri kwa zinthu zosungunuka" komanso "kufalikira mwachangu kwa moto", nsalu yopanda ulusi wopangidwa kale imapewa kwathunthu ngozi yotetezeka yosungunuka ndi kutayikira kwa nsalu zopanda ulusi wa mankhwala. Mwachitsanzo, bulangeti lothawira moto, likayikidwa pamoto, limangopanga mpweya woteteza kutentha, popanda chiopsezo cha kutayikira ndi kuwotcha, ndipo limatha kuletsa malawi a 1000°C mkati mwa masekondi 30, zomwe zimapangitsa kuti pakhale nthawi yofunika kwambiri yothawirako, kukhala chinthu chofunikira kwambiri pazida zodzitetezera ku moto zapamwamba.

2. Kukana dzimbiri + Mphamvu yayikulu: Yankho lolimba pazochitika zamafakitale

Poyerekeza ndi nsalu wamba zotsutsana ndi dzimbiri zomwe "zimalimbana ndi dzimbiri koma zimakhala ndi mphamvu zochepa" kapena "zimalimba kwambiri koma sizilimbana ndi dzimbiri", nsalu yopanda ulusi yomwe idapangidwa kale imakhala ndi mphamvu ziwiri "zolimbana ndi dzimbiri komanso mphamvu". Mwachitsanzo, nsalu yotsutsana ndi dzimbiri yomwe ili mu workshop ya mankhwala, imatha kupirira dzimbiri la asidi ndi alkali komanso kupirira mphamvu ya kuthamanga kwambiri panthawi yosefera, yokhala ndi moyo wopitilira kawiri kuposa zosefera zachikhalidwe, zomwe zimachepetsa kwambiri ndalama zosinthira.

3. Kukhazikika kwa kapangidwe kake + Kuphatikiza kwa ntchito: Kusintha kosinthidwa kuti kugwirizane ndi zochitika zenizeni

M'magawo monga kupanga ndege ndi kulondola komwe kumafunikira kwambiri kuti zinthu zigwire bwino ntchito, nsalu yopanda ulusi ya spunlace yomwe sinalukidwe kale imatha kukwaniritsa zosowa zapadera kudzera mukusintha kapangidwe kake ndi magwiridwe antchito. Mwachitsanzo, chosindikizira cha zida za satellite, sichimangokhala ndi kutentha kwakukulu kuyambira -40°C mpaka 180°C, komanso chimaphatikiza gawo loyendetsa kuti likwaniritse kutulutsa kwa static, pomwe likusunga mawonekedwe opepuka, ndikusinthasintha bwino ndi malo akutali kwambiri amlengalenga.

III. Magawo akuluakulu ogwiritsira ntchito nsalu yopanda ulusi ya spunlace yomwe idapangidwa kale: Zipangizo zofunika kwambiri pazochitika zapadera

Potengera ubwino ndi makhalidwe omwe ali pamwambapa, nsalu yopanda ulusi ya spunlace yomwe sinalukidwe kale yakhala "chinthu chofunikira kwambiri" m'magawo anayi ofunikira kwambiri monga kuteteza moto, kupanga mafakitale, kuyeretsa chilengedwe, ndi ndege, zomwe zimalimbikitsa kukweza chitetezo ndi kupita patsogolo kwa magwiridwe antchito a mafakitale ena ofanana:

1. Malo otetezera moto: Chotchinga chachikulu cha chitetezo cha moyo

Zipangizo zodzitetezera: Nsalu yoteteza yakunja ya zovala zodzitetezera ku moto, mkati mwa magolovesi osatentha —— 220°C yolimba kutentha kwa nthawi yayitali, 1000°C yoteteza kutentha kwa nthawi yochepa, yopanda chiopsezo cha kudontha ndi kutentha, pomwe imakhala ndi mpweya wabwino (trans permeability≥800g/(m²・24h)), kuchepetsa kutentha kwa ozimitsa moto panthawi yogwira ntchito yotentha kwambiri.

Zipangizo zodzitetezera mwadzidzidzi: Mabulangeti osapsa ndi moto, mahema oletsa moto mwadzidzidzi —— Kukulitsa mwachangu, nthawi yotseka moto ≥ mphindi 10, imatha kuphimba thupi la munthu kapena kukulunga zida zamtengo wapatali, zolemera 60% yokha ya mabulangeti achikhalidwe osapsa ndi moto, kuphatikiza kunyamula ndi chitetezo.

Zipangizo zomangira zosagwira moto: Nsalu yophimba yopangidwa ndi chitsulo, chingwe chosagwira moto —— Kugwira ntchito bwino kwa kukulunga, kumatha kumamatira kwambiri kuzinthu zosakhazikika, ikawotchedwa, imapanga gawo loteteza kutentha lopangidwa ndi kaboni, zomwe zimachedwetsa nthawi yofewa ya kapangidwe ka chitsulo mpaka mphindi zoposa 120, zomwe zimaposa muyezo wa dziko lonse wa mphindi 60. 2. Gawo Lopanga Mafakitale: Chitsimikizo Chachiwiri cha Zipangizo ndi Malo Ozungulira

Kugwiritsa Ntchito Mankhwala Oletsa Kudzimbidwa: Nsalu Yosefera Madzi ya Acid ndi Alkali, Tanki Yosungiramo Zinthu Zoletsa Kudzimbidwa Inner Liner - Yolimbana ndi dzimbiri la asidi ndi alkali, yokhala ndi kusefera kolondola kwa 5μm, yokhoza kusunga tinthu tolimba mu zakumwa zotayira mankhwala, mkati mwake umakhala ndi moyo woposa miyezi 18, kuchepetsa chiopsezo cha dzimbiri ndi kutuluka kwa madzi mu chipangizocho.

Kugwiritsa Ntchito Kukana Kutentha Kwambiri ndi Metallurgical: Nsalu Yoteteza Madzi Oponyedwa ndi Chitsulo, Kuwunika Kutentha kwa Ng'anjo Yophulika Gasket Yotsekera Madoko - Yolimbana ndi kutentha kopitilira 1500℃, kuletsa kufalikira kwa chitsulo chosungunuka ndikuyambitsa kupsa, gasket yotsekera imasunga magwiridwe antchito otsekera a 98% pa 200℃, kupewa kutuluka kwa mpweya wotentha kwambiri.

Kugwiritsa Ntchito Kutseka kwa Makina: Gasket Yotseka Yotentha Kwambiri ya Injini, Chophimba Chosapanga Fumbi Cholondola - Chokhazikika muyeso mkati mwa -30℃ mpaka 180℃, cholimba ku dzimbiri chifukwa cha mafuta a injini ndi mafuta a hydraulic, chokhala ndi magwiridwe antchito abwino kwambiri otseka poyerekeza ndi ma gasket a rabara achikhalidwe, komanso chopepuka, popanda kukalamba kapena kusweka.

3. Malo Oyeretsera Zachilengedwe: Zonyamulira Zoyenera Zoletsa Kuipitsa

Kuchiza Mpweya Wotayidwa ndi Mafakitale: Thonje Losefera Lotentha Kwambiri, Nsalu Yothira Mpweya Woopsa - Imatha kusefa tinthu ta utsi pa 200℃, yokhala ndi mphamvu yosefera ya ≥95%, itatha kusakanikirana ndi mpweya woyatsidwa, imatha kusefa mpaka 85% ya formaldehyde ndi VOC, yoyenera kugwiritsidwa ntchito pakupanga zitsulo ndi kupaka utoto.

Chitetezo cha Zinyalala Zolimba: Nsalu Yopaka Zinyalala Yoopsa, Chikwama Chosefera Zoyatsira Moto - Kukana dzimbiri mwamphamvu, kumatha kunyamula zinyalala zoopsa za asidi ndi alkali, thumba losefera zoyatsira moto limatha kusunga fumbi loyaka pa 220℃, kuchepetsa mpweya woipa.

4. Zamlengalenga ndi Magawo Apadera: Thandizo la Magwiridwe Antchito M'malo Ovuta Kwambiri

Ubwenzi wa Aerospace: Chida cha Satellite Heat Insulation Layer, Rocket Engine Sealing Gasket - Yokhazikika pamlingo wosiyanasiyana kutentha, popanda kutsika kuyambira -40℃ mpaka 200℃, yokhoza kuletsa kukhudzidwa kwa kusiyana kwakukulu kwa kutentha mumlengalenga pazida, sealing gasket imalimbana ndi kuthamanga kwambiri komanso yopepuka, ikukwaniritsa zofunikira zopepuka za spacecraft.

Kugwiritsa Ntchito Chitetezo cha Asilikali: Nsalu ya Tenti Yoletsa Moto wa Asilikali, Yoletsa Mankhwala a Makemikolo akunja - Yokhala ndi zinthu zambiri zogwirira ntchito monga kuletsa moto, kukana asidi ndi alkali, komanso kukana kuwala kwa dzuwa, nsalu ya tentiyo sifalikira ikawotchedwa, suti yoletsa mankhwala imatha kukana kulowa kwa mankhwala ankhondo monga mpweya wa mpiru, kuonetsetsa kuti asilikali ankhondowo ndi otetezeka.

Kugwiritsa Ntchito Makampani Amagetsi: Nsalu Yoteteza Kuwotcherera Yotentha Kwambiri, Chopangira Chopanda Kusinthasintha cha Electronic Component - Chokhoza kupirira kutentha kwa 300℃, kupewa kutentha kwa zigawo zamagetsi pogwiritsa ntchito slag, pambuyo poti zaphatikizidwa ndi ulusi woyendetsa, kukana kwa pamwamba ndi ≤10⁶Ω, kutulutsa bwino magetsi osasunthika, kuteteza kuwonongeka ndi kuwonongeka kwa zigawo.

Zokhudza Yongdeli: Katswiri wopanga nsalu yopanda ulusi yokhala ndi mpweya wa okosijeni

Changshu Yongdeli Spunlace Non-Woven Fabric Co., Ltd. yakhala ikupereka ntchito yopanga nsalu yopangidwa ndi mpweya wa okosijeni kwa zaka zoposa 20. Kampaniyo imapanga matani 5,000 pachaka ndipo imatha kupereka ntchito zomwe zakonzedwa mwamakonda. Ngati mukufuna zitsanzo kapena mayankho okonzedwa mwamakonda, chonde musazengereze kutilankhulana nafe.