Makina owonjezera a WPC: zida, njira, chiyambi cha fomula

Chifukwa cha kuwonjezeka kwa ndalama zomwe dzikolo likugwiritsa ntchito m'makampani oteteza chilengedwe, madera omanga nyumba, komanso kuteteza chilengedwe, zinthu zatsopano zikulandiridwa kwambiri ndi msika. Nkhaniyi yokhudza zida zopangira zinthu zamatabwa ndi pulasitiki za PP PE, njira, ndi njira zopangira chisa chosavuta, kuti mugwiritse ntchito.

I. Kutulutsa

Tsopano, kupanga matabwa ndi pulasitiki kumagawidwa m'njira imodzi ndi ziwiri.
Wpc mbiri extrusion mzerendi PP / PE kubwerera ku utomoni, ulusi (ulusi wamatabwa, ulusi wa nsungwi, chinangwa cha mpunga, ndi zina zotero); zinthu zopanda chilengedwe (ufa wa calcium, talc); zowonjezera (zodzola, zosakaniza, zogwirizanitsa, zolumikizira, ufa wamitundu, zowononga nyengo, zodzoladzola za mildew, ndi zina zotero) mu chosakanizira chotentha kwambiri chomwe chimafunikira kulowa mu makina osakaniza ozizira kuti azizire mpaka madigiri 40-50 kudzera mu granulation ya flat double granulator kenako ndikuwonjezeredwa ku zinthu zotulutsa za conical double extruder, iyi ndi njira yopangira magawo awiri. Zinthu zosakaniza zimawonjezedwa mwachindunji ku cone extruder popanda kupanga pelletizing sitepe imodzi.

II. Kusankha zida, nkhungu

1. Osakaniza
Zipangizo zosakaniza zachikhalidwe zimakhala ndi kusakaniza kotentha ndi kozizira. Kusakaniza kotentha ndi utomoni, ulusi, zinthu zopanda chilengedwe, zowonjezera mumphika wosakaniza wotentha kudzera mu kayendedwe ka liwiro lalikulu kuti zikweze kutentha kwa zowonjezera zomwe zasungunuka ndikufalikira mu utomoni ndi zinthu zopanda chilengedwe za utomoni, kupanga zinthu zosakanikirana mofanana komanso khalidwe la zinthu kumakhala kokhazikika. Kufalikira kwa zinthu kumakhala kwabwino kapena koipa ndi kapangidwe ka tsamba lake komanso kuchuluka kwa kuwonongeka kwa tsamba. Kukula kwa mphika wosakaniza wotentha wapakhomo womwe umagwiritsidwa ntchito nthawi zambiri ndi 200L/300L/500L/800L. Mphika wosakaniza wozizira ndi kusakaniza kotentha kwa zinthu mumphika wosakaniza wozizira kudzera mu ntchito yothamanga ya mota ndi kayendedwe ka madzi kuti achotse kutentha kuti achepetse kutentha kwa zinthuzo. Zinthuzo zimasakanizidwa ndi kusakaniza kozizira ku kutentha komwe timayika kuti tipange ndi kukhazikika kwa mtundu, kuchotsa nthunzi ya madzi ndikuchepetsa kuwonongeka kwa zinthuzo. Kukula kofala kwa mphika wosakaniza wozizira ku China ndi 300L/600L/1000L/2000L.
Pakadali pano, makasitomala ambiri malinga ndi momwe zinthu zilili, ngati chinyezi sichidutsa 5%, kugwiritsa ntchito osakaniza wamba kusakaniza zinthu zopangira, kenako mwachindunji mu granulator, kugwiritsa ntchito ntchito yotulutsa utsi wa granulator kuchotsa chinyezi chochulukirapo; ngati chinyezi chili choposa 5%, kugwiritsa ntchito kusakaniza kotentha, kenako mwachindunji mu granulator, kugwiritsa ntchito kusakaniza kutentha kuti muwonjezere pelletizing, ndi njira yosungira mphamvu.
2. Kusankha zida zopangira granulation. Zomwe zimagwiritsidwa ntchito popanga matabwa a PP / PE zimakhala ndi makona awiri ndi athyathyathya awiri amitundu iwiri, makona awiri a PP / PE matabwa apulasitiki siabwino kwenikweni chifukwa ulusi ndi wovuta kufalitsa mosavuta kusonkhana, kotero kuti zimakhudza kugwiritsa ntchito mankhwalawa monga: zinthu zomwe zimayamwa madzi ambiri, zosavuta kuumba ndi zina zotero. Flat double siziwoneka ngati chinthu chofanana ndi fiber agglomeration, ma pellets a matabwa a PP / PE am'nyumba amagwiritsa ntchito makona awiri athyathyathya. Jwell DAYUN Plastic Recycling Auxiliary Equipment Manufacturing Co., Ltd. kupanga makina opangira pelletizing, pelletizing mwachindunji mutaphwanya, zinthuzo zimalowa mu extruder, kusunga nthawi ndi mphamvu.
3. Kusankha chotulutsira: chotulutsira cha m'nyumba kaya njira imodzi kapena njira ziwiri zimagwiritsidwa ntchito makamaka ndi zinthu zotulutsira. Chifukwa chakuti ulusi wa PP / PE wamatabwa ndi pulasitiki uli ndi zinthu zambiri (screw, barrel) kuwonongeka ndi kwakukulu, kuphatikiza ndi ulusi, zowonjezera, PP / PE kubwerera kuzinthuzo pambuyo pa kutentha kwakukulu kudzatulutsa asidi waulere kudzapanganso dzimbiri la screw, barrel, kotero khalidwe la screw barrel ndilofunika kwambiri. Pakadali pano, opanga mbiya ziwiri za alloy screw, pogwiritsa ntchito kapangidwe kogawanika, dzenje lamkati la ukadaulo wonse wa alloy sintering, amatha kukulitsa moyo wa ntchito ya mbiya ya screw.
4. Nkhungu yokhala ndi zida zomwezo, chitsulo chiyenera kukhala cholimba komanso cholimba, chokhala ndi moyo wautali, kapangidwe ka nkhungu kamakhala kabwino kapena koipa malinga ndi mtundu wa chinthucho, kuumba, kukhuthala kwa chinthucho, komanso liwiro lopanga. Makamaka zinthu zolimba zomwe zimafunika pa nkhungu zimakhala zapamwamba.

III. Kusankha zipangizo zopangira

1. PP / PE kubwerera ku kusankha zinthu, kubwerera ku kusankha kwabwino kwambiri kwa chala chosungunuka sikokwera kwambiri kubwerera ku zabwino kwambiri mu 1.0 kapena kuchepera. Mtundu wake si wakuda kwambiri, kukula kwa tinthu tating'onoting'ono ndi kofanana, tinthu tating'onoting'ono tilibe mabowo kapena mabowo ochepa. Ndibwino kugwiritsa ntchito mulingo wofanana wa kubwerera kuzinthu, zina zobwerera kuzinthu zagwiritsidwa ntchito kangapo, zimachepetsa mphamvu zamakina.
2. Ulusi wosankha ulusi mu ulusi wa 50-80 kapena kuposerapo, ndi phulusa, kuchuluka kwa chinyezi kumakhala kotsika kuposa ulusi wabwino kwambiri (phulusa, chinyezi ndi zosakwana 5%) mtundu wake ndi wofanana.
3. Kusankha zowonjezera. Kuti muchite bwino kusankha zowonjezera za PP / PE matabwa ndi pulasitiki ndikofunikira kwambiri, zimakhudzana ndi kukhazikika kwa kupanga, liwiro, mtundu wa chinthu (kuumba chinthu, mawonekedwe a makina, mawonekedwe a makina, kuyamwa madzi, momwe chinthucho chimagwiritsidwa ntchito poyesa ngati pali mvula ya zowonjezera, ndi zina zotero) komanso moyo wa chinthucho.

IV. Kusankha njira

Kupanga pulasitiki ya PP/PE m'nyumba makamaka ndi njira yopangira ya magawo awiri, ubwino wake ndi kupanga kokhazikika komanso mtundu wa zinthu.
1. Njira yopangira zinthu zopangira:
Ulusi wa matabwa ndi chinthu chomwe chimayamwa madzi ambiri pafupifupi 15% kapena kupitirira apo, zinthu zopanda chilengedwe zimafikiranso 5% kapena kuposerapo, ndipo kuchuluka kwa madzi omwe ali pamwamba ndi otsika kumakhudza kukhazikika kwa kupanga mapulasitiki, makamaka kupanga matabwa ndi pulasitiki komanso mtundu wa zinthu zomwe mdani wachilengedwe amapanga, monga kukhudza chochulukitsa thovu, kuchuluka kwa madzi omwe amayamwa, kuchuluka kwa zinthu zomwe zimayamwa, kukana kwa nyengo ndi zinthu zina zakuthupi.
Chifukwa chake, ndibwino kuwongolera chinyezi mkati mwa 1%. Yang'anirani chinyezi choyenera cha ulusi ndi chodzaza —– chowonjezeredwa ku chosakanizira chapamwamba —– chosakanizidwa mpaka madigiri 100 —– onjezerani kuchuluka koyenera kwa cholumikizira —- chosakanikirana mpaka madigiri 110-115 —- zimitsani mota sisuntha tsegulani chivindikiro cha chosakanizira kwa mphindi 2-3 —– onjezerani PVC, zokhazikika —– zosakanikirana mpaka madigiri 80 —– ndi mafuta ndi zowonjezera zina —– madigiri 100 kuphatikiza zothandizira kukonza, zodzola thovu ——120-125 kutsitsa ufa —– kutsitsa ufa injini itasiya kenako tsegulani chivindikiro kwa mphindi 2-3 musanasakaniza zinthu zina (ndi bwino kusakaniza zinthu zisanu kuti muyeretse chosakanizira kamodzi) —– ufa mu thanki yosakanizira kuti ufike madigiri 40 ukhoza kupakidwa pellet kapena kuwonjezeredwa ku kupanga kwa screw ziwiri (thanki yosakanizira iyenera kukhala ndi kuzungulira kwa kuzizira kwa madzi). Mu kusakaniza, muyenera kuyang'anitsitsa kutentha ndi nthawi monga kusakaniza zinthu zingapo mumphika wozizira kwa mphindi 20-25, kutentha kwa mphika kwa mphindi 12-15 (kutentha kwa madigiri 125), ngati pali kusiyana kwa mphindi 3 kapena kuposerapo, mwina vuto la mzere wozindikira kutentha sililoledwa kapena kulamulira kutentha sikuloledwa, kapena mpeni wosakaniza wa bullhorn ukuvala kwambiri. Izi zidzakhudza kukhazikika kwa chochulukitsa thovu, mtundu. Kutulutsa mpweya nthawi zambiri kumafunika kusamala ndi kutentha komwe kumawongolera kutentha, kaya fan ikuyenda bwino, kukula kwa mphamvu yamagetsi, kukula kwa tinthu tating'onoting'ono, pamwamba, kutalika, kaya zinthu zomata, kaya zinthuzo ndi zokhazikika, sizingasweke.

2. Njira yotulutsira: chidwi chachikulu pa zinthu zotsatirazi
a. kukhazikika kwa kutentha kwa extruder pa gawo lililonse, kiyi ndi gawo lokakamiza, gawo loyezera, nkhungu. Kulondola kwa kuwongolera kutentha, monga kuwongolera kutentha sikuloledwa kukhudza kuchuluka kwa thovu ndi mtundu. Kutulutsa thovu makamaka ndi gawo lokakamiza ndi gawo loyezera kutentha, kuumba makamaka ndi kutentha kwa nkhungu.
b. ntchito yachizolowezi ya fan ya gawo lililonse.
c. kukula ndi kukhazikika kwa mphamvu yamagetsi ya host. Ngati kusinthasintha kwa mphamvu yamagetsi ya host kuli kwakukulu, zikutanthauza chothandizira kutsetsereka. Zothandizira pokonza. Zigawo za ulusi ndi PVC za kufalikira sizili zofanana kwambiri.
d. Wolandirayo ayenera kusunga liwiro lomwelo, chifukwa liwiro la liwiro lidzakhudza chochulukitsa thovu ndi mtundu wake.
e. kutentha kwa choumitsira nthawi zambiri kumakhala madigiri 60-80 pakati, ndipo nthawi zambiri kumasungidwa mu voliyumu ya pafupifupi 80% ya mbiya, zomwe zimathandiza kupanga ndi kukhazikika kwa utoto kuti zinthu ziwoneke bwino.
f. mitundu yosiyanasiyana, makina osiyanasiyana, nthawi yomwe ma pellets amasungidwa popanga kutentha kosiyanasiyana. Ndipo thovu la matabwa-pulasitiki ndi chilengedwe chakunja ndi zinthu zina monga chochulukitsa thovu chimakhala ndi mphamvu yayikulu kotero wogwiritsa ntchito ayenera kudziwa mawonekedwe a zolakwika zosiyanasiyana zazinthu akasintha moyenera makampani.