Masiku ano, zipangizo za polima zakhala zipangizo zatsopano zomwe zimagwiritsidwa ntchito kwambiri m'magulu amakono. Sikuti zimangoyika maziko ofunikira pakukula kwa chikhalidwe chamakono, komanso zimapereka mphamvu yosatha pakupanga zinthu zatsopano zaukadaulo wapamwamba. Zipangizo za polima, zomwe zimadziwikanso kuti zipangizo za polima, makamaka ndi ma macromolecules opangidwa ndi mayunitsi osawerengeka obwerezabwereza (monomers) olumikizidwa ndi ma covalent bonds. Zipangizozi zimagwiritsidwa ntchito kwambiri m'magawo ambiri monga magalimoto atsopano amphamvu, masewera ndi zosangalatsa, ndege, zomangamanga ndi zomangamanga chifukwa cha mawonekedwe awo apadera, monga plasticity, mphamvu, kukana kutentha ndi kukhazikika kwa mankhwala. Pakati pawo, polyethylene (PE) ndi chinthu chofala cha polima. Unyolo wake wa mamolekyu uli ndi ma ethylene monomers osawerengeka olumikizidwa ndi polymerization reaction. Chifukwa cha mawonekedwe ake abwino a makina ndi kulimba kwa kutentha kochepa, zipangizo za thovu la polyethylene zimagwiritsidwa ntchito kwambiri. Mu njira yogwiritsira ntchito ndi kupanga zipangizo za polyethylene, kukula ndi kufalikira kwa kulemera kwa mamolekyu kudzakhudza kutentha kosungunuka ndi kusungunuka kwa zinthuzo, kenako kumakhudza magwiridwe antchito ake opangira. Kapangidwe ka maunyolo a mamolekyu (crystallinity) ndi polarity ya magulu am'mbali zimatha kudziwa kuuma, kuwonekera bwino komanso kuchuluka kwa kutentha kwa zinthuzo. Mwachitsanzo, polyethylene yotsika kwambiri (LDPE) imakhala ndi makristalo ochepa komanso kusinthasintha kwabwino chifukwa cha kapangidwe kake kosasinthika ka ma molekyulu, zomwe zimapangitsa kuti ikhale yoyenera kupanga matumba apulasitiki; pomwe polyethylene yotsika kwambiri (HDPE) imakhala ndi mphamvu komanso kulimba kwambiri chifukwa cha makristalo ake abwino, zomwe zimapangitsa kuti ikhale yoyenera kupanga zinthu zapulasitiki zolimba.
Mulimonsemo, popanga zinthu zopangidwa ndi polyethylene, zida zamakaniko ndiye maziko okonzekera zinthu ndipo zimagwira ntchito yofunika kwambiri. JWELL Intelligent Equipment Manufacturing Co., Ltd. (yomwe pano ikutchedwa "JWELL") ndi kampani yopanga zinthu zamakono yodzipereka pa kafukufuku, chitukuko ndi kupanga zida zopangira zinthu zopangidwa ndi pulasitiki. Imayang'ana kwambiri pakupanga zida zopangira zinthu zopangidwa ndi thovu la polymer komanso ntchito zambiri zaukadaulo, ndipo imapanga mosamala zida zopangira zinthu zopangidwa ndi pulasitiki zomwe zimakwaniritsa zosowa za ogwiritsa ntchito apakatikati mpaka apamwamba padziko lonse lapansi.
01
XPE: Zinthu zopangira thovu losalekeza, zomwe zimagwira ntchito bwino kuposa zinthu zofanana
XPE ndi thovu la polyethylene lolumikizidwa ndi mankhwala, lomwe limapangidwa ndi utomoni wa polyethylene wotsika, cholumikizira cholumikizira ndi cholumikizira thovu kudzera mu thovu lopitirira kutentha kwambiri. Lili ndi mphamvu yolimba kwambiri, ma pores osalala komanso kapangidwe kopepuka. Poyerekeza ndi zipangizo za PE, ndi lolimba kwambiri, lolimba, lolimba komanso lolimba. Kuphatikiza apo, chifukwa XPE yokha ili ndi zinthu zabwino kwambiri monga zinthu zokhazikika za mankhwala, zosavuta kuwola, zopanda fungo komanso zotanuka bwino, imagwiritsidwa ntchito pa ntchito yomanga (choteteza mawu, choteteza kutentha) komanso ntchito zoteteza (ma phazi, kudzaza ma packaging, ma surfboard).
Zipangizo zopangira thovu la XPE zimapezeka kudzera mu njira iyi: kusakaniza granulation → extrusion ya master sheet → horizontal thovu ng'anjo.
Ndiko kuti, posakaniza mapulasitiki monga zinthu za polyethylene zotsika kwambiri (LDPE) ndi mankhwala opangira thovu ndi mankhwala olumikizirana, motsatana, kudzera mu kusakaniza granulation, thovu masterbatch ndi cross-linking masterbatch zimapezeka.
Kenako, ma masterbatches awiriwa amawonjezedwa ku single screw extruder pamodzi ndi LDPE raw material molingana ndi chiŵerengero. Pambuyo posungunuka, amatumizidwa ku three-roll calender kudzera mu sheet mold, kenako nkukulungidwa mu XPE master sheet coils akapangidwa.
Kenako, ma XPE master sheet coils amatsegulidwa ndikuyikidwa mu ng'anjo yopingasa ya thovu kuti ipange thovu. Thovu lotentha lozungulira limayenda pa kutentha kwakukulu. Thovu lothandizira ndi cholumikizira cholumikizira muzinthuzo chimagwira ntchito popanga thovu la pepalalo m'mbali zitatu kuti lipange ma XPE foam coils okhala ndi ma pores ofanana.
Zipangizo za XPE thovu zopangidwa ndi njira iyi yopangira thovu zili ndi makhalidwe oyambira awa:
Kusunga: XPE ndi thovu lolimba pang'ono. Ngakhale litakhudzidwa kwambiri, limatha kuonetsetsa kuti silitaya ntchito yake yoyambirira. Limagwiritsidwa ntchito kwambiri mu zida zolondola, ma CD a semiconductor ndi zina. Nthawi yomweyo, mawonekedwe ake osavuta kupanga amalipangitsa kukhala loyenera kupanga zinthu zoteteza masewera ndi zinthu zosangalatsa.
Kupangika: XPE ili ndi mphamvu yolimbana ndi kutentha, mphamvu yogwira ntchito bwino, mphamvu yofanana, ndipo imatha kupanga vacuum ndi thermoforming ndi zina zozama. Chifukwa chake, ndi yotchuka kwambiri m'magawo amkati ndi nsapato monga makabati oziziritsira mpweya m'galimoto ndi denga lotenthetsera magalimoto.
Kuyamwa mawu: XPE ili ndi ntchito yoyamwa mawu ndi kuchepetsa phokoso, ndipo ndi yoyenera kugwiritsa ntchito zipangizo zoyamwa mawu ndi zotetezera mawu m'zida zamphamvu zoyamwa phokoso komanso m'malo monga ndege, magalimoto a sitima, magalimoto, ndi injini zamagetsi.
Kuteteza kutentha: XPE imapangidwa ndi mapangidwe abwino a thovu lodziyimira pawokha, lomwe lingathandize kuchepetsa kusinthana kwa mphamvu komwe kumachitika chifukwa cha mpweya wozungulira. Ndi yoyenera kupanga mapaipi oteteza kutentha ndi ma board oteteza kutentha. Ilinso ndi mphamvu zoletsa kuzizira ndipo ingagwiritsidwe ntchito ngati zinthu zotetezera kutentha m'malo ozizira monga mafiriji, ma air conditioner ndi malo osungira ozizira.
Si zokhazo, chifukwa zipangizo zopangira thovu za XPE sizimangokhala ndi mphamvu zabwino zotetezera kutentha, komanso zimakhala ndi mphamvu zosalowa madzi komanso zosanyowa, zofewa komanso zopepuka, zoteteza kutentha pang'ono, komanso zoteteza kukalamba. Mayiko ambiri amagwiritsa ntchito XPE poteteza kutentha m'mapulojekiti omanga nyumba ndi oziziritsa mpweya. XPE imagwiritsidwanso ntchito ngati chinthu chosalowa madzi m'mapulojekiti akuluakulu monga Three Gorges Project, South-to-North Water Diversion Project, ndi Beijing Metro.
Ponena za kupanga ndi kukonzekera zipangizo za thovu la XPE, JWELL ili kale ndi mzere wokhwima wopanga ma XPE foam coil:
1） gawo lalikulu
Granulator Yosakaniza Yamkati
LDPE ndi DCP/AC zimasakanizidwa kuti zipange ma granules ofanana. Njira yopangira ma granules ndi 75L internal mixer - automatic elevator - double wrist feeder - ∮150 single screw extruder - air-cooled hot-cut head - eccentric hot-cut hood - secondary cyclone separator - vibrating screen - air-blown silo
Chotulutsira mapepala ang'onoang'ono cha 150/28 (chotulutsira mapepala ang'onoang'ono)
Mwa kusakaniza zinthu zopangira pelletized ndi LDPE m'magawo osiyanasiyana, ma ratio osiyanasiyana a mapepala amatha kupangidwa, zomwe zimapangitsa kuti pakhale mitundu yosiyanasiyana komanso zinthu zina zofunika. Zotulutsira mapepala akuluakulu zomwe zimagwiritsidwa ntchito pano ndi izi: 150/28 ndi 170/28
Chitofu chotulutsa thovu cha XPE
Zigawo zazikulu za JWELL's XPE thovu ng'anjo ndi izi: makina otsegula-kutulutsa-kutulutsa-kutulutsa thovu-kuzizira-kukonza-kupukuta-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa-kutulutsa. Imagwiritsa ntchito gasi wachilengedwe m'malo mwa kutentha kwamagetsi kuti isunge ndalama.
(2) Malo ofunikira kwambiri
Matigari a galimoto
Pakadali pano, mapeti ambiri a magalimoto omwe ali pamsika nthawi zambiri amapangidwa ndi chikopa + XPE + zoluka. Pakati pawo, thovu la XPE ndi lofewa komanso losawonongeka, ndipo ndi loyenera chilengedwe. Pogwiritsa ntchito chikopa chotenthetsera, limatha kupanga mapeti osiyanasiyana okhala ndi makina oluka. Chifukwa chake, njirayi siifuna guluu, ndi yotetezeka komanso yoteteza chilengedwe, ndipo yakhala ikukwezedwa kwambiri pamsika.
Mpando wokwawa
Zipangizo za thovu za XPE ndizosamalira chilengedwe komanso sizowononga, zimakhala ndi mphamvu yotha kusweka, sizimatsetsereka komanso zimayamwa ma shock, ndipo ndizoyenera kwambiri pa mphasa zokwawa za ana.
Zomata za pakhoma za stereo za 3D
Zathanzi komanso zopanda poizoni, sizingayambitse mavuto pakhungu lofewa la mwana; sizimamveka bwino komanso sizimamveka bwino, kapangidwe ka mkati mwa chinthucho ndi kapangidwe ka selo lotsekedwa, komwe kamagwira ntchito yoyamwa ndi kuchepetsa phokoso; sizimalowa madzi komanso sizimamwa madzi, chinthucho sichimayamwa madzi, ngakhale pamwamba pa khoma lawonongeka pang'ono, sichimakhudza mphamvu yonse yosalowa madzi komanso yosalowa chinyezi; sichimadetsa ndi kuipitsa, pamwamba pa chinthucho pali filimu yoteteza, yomwe imatha kutsukidwa ndi chopukutira, ndipo ndi yoyera ngati yatsopano; yotetezeka komanso yoletsa kugundana, chinthucho ndi thovu lolimba pang'ono, lomwe lili ndi mawonekedwe oletsa komanso kuchepetsa liwiro, zomwe zingalepheretse mwana kutsetsereka ndi kugwa.
02
IXPE: Zipangizo zogwirira ntchito zomwe zimakwaniritsa miyezo yapadziko lonse lapansi yokhudza chilengedwe pogwiritsa ntchito ukadaulo wobiriwira komanso wathanzi wopangira ma radiation
Zinthu zopangidwa ndi thovu la IXPE zimatchedwa thovu la polyethylene lolumikizidwa ndi ma electron radiation. Zimapangidwa ndi polyethylene ngati chinthu chachikulu chopangira zinthu, ndi zinthu zina zingapo zothandizira, ndipo zimasakanizidwa ndikutulutsidwa. Kudzera muukadaulo wopangira ma radiation wobiriwira komanso wathanzi, kulumikiza komwe kumachitika chifukwa cha ma radiation a ion pazinthuzo kumasintha kapangidwe koyambirira ka zinthu zoyambira kuti apange kapangidwe ka thovu lodziyimira pawokha la maselo otsekedwa, ndikupanga zinthu zapamwamba kwambiri zopangidwa ndi thovu lotsekedwa.
Mtundu uwu wa chinthu umawoneka bwino, umakhala womasuka, komanso umagwira ntchito bwino pokonza. Mabowo ake ndi abwino komanso ofanana, olimba komanso osinthasintha, okhala ndi zoteteza mawu zabwino kwambiri, zoteteza kutentha, komanso zoteteza kutentha. Uli ndi madzi ochepa ndipo ndi chinthu chogwira ntchito chomwe chimakwaniritsa miyezo yapadziko lonse lapansi monga kulimba, kukana nyengo, kukana ukalamba, kukana bowa, komanso kukana dzimbiri kwa mankhwala.
Chipepala cha thovu cha polyethylene cholumikizidwa ndi IXPE chopangidwa ndi JWELL chimapangidwa potulutsa polyethylene kapena polyethylene yosinthidwa ndi zodzaza zosiyanasiyana, kulumikiza ndi ma electron accelerator radiation (popanda mankhwala olumikizira), kudutsa muyezo wa EU RoHS (popanda zitsulo zolemera komanso palibe zowonjezera za halogen), ndi kutulutsa thovu pa kutentha kwakukulu kuti mupeze thovu la polymer. Mphamvu yonse ya ng'anjo yoyatsira thovu yoyendetsedwa ndi mpweya kuphatikiza zida zothandizira ndi pafupifupi 70KW yokha. Imagwiritsa ntchito gasi wachilengedwe potenthetsera, ndipo liwiro la mzere woyatsira thovu limafika pa 20m/min.
Malo ofunikira kwambiri ogwiritsira ntchito thovu la JWELL IXPE:
Zamagetsi
Thovu losalowa madzi la PE lopyapyala kwambiri; yankho losalowa madzi lokhala ndi corrugated; zinthu zotsekera; tepi ya thovu.
Malo ochitira magalimoto
Chotetezera mphamvu chatsopano cha batire yamagetsi + chotetezera maselo a batire; chotetezera mphamvu chatsopano cha batire yamagetsi, chisindikizo cha chimango; phukusi lakunja la payipi yamafuta; cholumikizira mawaya agalimoto, chitoliro chopumira mpweya, thireyi ya condenser yoziziritsa mpweya; thovu lagalasi lowonera kumbuyo kwagalimoto, bolodi la chipinda chogwiritsira ntchito zida, thovu lamkati la visor ya dzuwa, chotetezera denga, nembanemba yosalowa madzi pachitseko, chokongoletsera chitseko.
Munda womanga
Tumizani zinthu zotchingira pansi; zotchingira padenga; zotchingira mapaipi; zotchingira phokoso pansi.
Gawo la zamankhwala
Chipinda chothandizira kuchipatala; pepala la ma elekitirodi azachipatala.
Zipangizo zosungiramo zinthu zosungiramo zinthu
Zipangizo zatsopano zotetezera kutentha kwa batire ya lithiamu; gasket yotsekera; thovu loletsa kuzizira; zinthu zotetezera katundu.
Masewera ndi zosangalatsa
Udzu wosadzaza ndi mantha; chogwirira chopangira chonyamulira mantha; mphasa yamasewera; bolodi losambira ndi jekete lopulumutsa; chivundikiro, chisoti ndi magolovesi.
Zogulitsa zapadera
Chotetezera kutentha cha IXPE, chonyowetsa, thovu loteteza kutentha; chotetezera kutentha cha lens; chitoliro choteteza kutentha kwa mpweya; zinthu zotsekera za photovoltaic template.
03
Njira yopangira ndi momwe zinthu zimagwirira ntchito zimasiyana, koma palinso kuthekera kwakukulu mtsogolo.
XPE ndi IXPE zonse ndi zinthu zopangidwa ndi thovu la mtundu wa polyethylene, zonse zili ndi mitundu yambiri ya ma microporous, ndipo zonse zimachokera ku ma resin opangidwa, kutsatiridwa ndi kuwonjezera zinthu zopangira thovu ndi zinthu zina zothandizira popanga thovu. Zonsezi zili ndi zinthu zabwino kwambiri monga kulemera kopepuka, kutchinjiriza kutentha, kuphimba, kuyamwa kwa shock, kutchinjiriza mawu ndi kutchingira madzi. Komabe, pali kusiyana kwa njira zopangira ndi magwiridwe antchito pakati pa ziwirizi, ndipo sizingasokonezedwe.
Ponena za njira yogwirira ntchito, zinthu zopangira thovu za XPE zimagwiritsa ntchito njira yopangira thovu pogwiritsa ntchito mankhwala, yomwe imapangidwa ndi utomoni wa polyethylene wotsika kwambiri kuphatikiza ndi chinthu cholumikizira ndi chinthu chopangira thovu pogwiritsa ntchito thovu lopitirira kutentha kwambiri. Chinthu chopangira thovu cha AC chimatulutsa mpweya wambiri kutentha kwambiri, ndipo thovu zambiri zimapanga ma pores. Nthawi yomweyo, polyethylene imamaliza kulumikiza ma molekyulu pogwiritsa ntchito njira yopangira ma cross-linking, kotero kuti mamolekyu a polyethylene amatha kumamatira pamwamba pa thovu kuti apange kapangidwe ka pore ndikupanga zinthu zopangira thovu.
IXPE imagwiritsa ntchito njira yopangira thovu pogwiritsa ntchito ma electron irradiation cross-linking. Pambuyo powonjezera thovu ndi zowonjezera zina, zinthu zopangira polyethylene zimasakanizidwa kaye ndikutulutsidwa. Kuwala kwa ma electron amphamvu kwambiri komwe kumapangidwa ndi ma electron accelerator a mafakitale kumagwiritsa ntchito ma ion radiation kuti agwire ntchito pazinthuzo kuti apange cross-linking kuti asinthe kapangidwe koyambirira ka zinthuzo, ndikupanga kapangidwe ka netiweki, kenako kutulutsa thovu kuti lipange thovu lotsekedwa bwino.
Ponena za magwiridwe antchito, pakukula komweko, ma pores a thovu la XPE ndi okulirapo kuposa a thovu la IXPE, ndipo IXPE ndi kapangidwe ka ma pores odziyimira pawokha, komwe kumaletsa mamolekyu amadzi kulowa, zomwe zimapangitsa kuti madzi asayamwe madzi ochulukirapo kuposa 0.01g/cm², ndipo sikungapereke malo okhala mabakiteriya; pakukula ndi makulidwe omwewo, mawonekedwe a makina, kutchinjiriza mawu, kutchinjiriza madzi ndi kutchinjiriza kutentha kwa thovu la IXPE ndikwabwino kuposa a thovu la XPE.
Kuphatikiza apo, popereka chotchinga choteteza kutentha m'mapulojekiti apakhomo ndi aukadaulo, XPE imadziwika ndi mawonekedwe ake okhwima; pomwe IXPE yapambana kwambiri m'mafakitale azachipatala ndi zamagetsi omwe ali ndi zofunikira kwambiri pazinthu zina chifukwa cha malo ake ofewa komanso osalala komanso ma pores ang'onoang'ono. Kaya ndi XPE kapena IXPE, kaya ndi kutentha ndi kukana kutentha, kapena kutambasula ndi kung'amba, makamaka kuteteza chilengedwe, zipangizo zonse ziwirizi zimakhala ndi magwiridwe antchito abwino kwambiri omwe ndi ovuta kusintha pamsika.
Kuyambira pa 3 mpaka 5 Seputembala, 2024, Chiwonetsero cha Makampani Opanga Zinthu Zopangira Foaming ku Shanghai International Foaming Materials Technology Exhibition cha Interfoam China 2024 chidzatsegulidwa ku Shanghai New International Expo Center. Nthawi yomweyo, Msonkhano Wachinayi wa "Kusintha Zinthu Zopangira Foaming" udzachitika kuti ufufuze zinthu zatsopano zopangira thovu ndi ukadaulo wamakono, ndikupanga chitukuko cha mafakitale pankhani ya zinthu zopangira thovu!
JWELL Intelligent Equipment Manufacturing Co., Ltd. ibweretsa zinthu zambiri ku booth nambala E13 ndipo ikuitana makasitomala ndi ogwirizana nawo kuti abwere kudzacheza!
Zokhudza JWELL Intelligent Equipment Manufacturing Co., Ltd.
JWELL Intelligent Equipment Manufacturing Co., Ltd. ndi kampani yapadera yomwe ili pansi pa JWELL Machinery, yomwe bizinesi yake yayikulu ndi XPE/IXPE ndi mizere yopangira mapepala ndi mbale. Kudzera mu kuphatikiza zida ndi kupita patsogolo kwaukadaulo, zida zopangira pulasitiki za JWELL Intelligent Equipment Manufacturing Co., Ltd. zitha kukonzedwa moyenera, zapamwamba paukadaulo, zapamwamba komanso zotsika mtengo. Ndi chithandizo champhamvu cha mtundu komanso zabwino zabwino zogulitsa pambuyo pa malonda a JWELL Group, pang'onopang'ono idzapita padziko lonse lapansi ndi JWELL, idzabala zipatso m'magawo osiyanasiyana ogwiritsira ntchito, ndikukhala wogulitsa wabwino kwambiri m'maganizo mwa ogwiritsa ntchito. Tsogolo la bizinesi limalumikizidwa ndi ogwiritsa ntchito ake. Pokhapokha pokhala ndi luso lamphamvu lopanga zinthu zatsopano komanso zinthu zapamwamba kwambiri ndi pomwe ingakwaniritse zosowa za ogwiritsa ntchito ndikupeza zotsatira zabwino kwa nthawi yayitali. Iyi ndi njira yomwe JWELL Intelligent Equipment Manufacturing Co., Ltd. yadzipereka ndipo ikugwira ntchito mwakhama mtsogolo.
Nthawi yotumizira: Julayi-26-2024