Haɗin tsarin extrusion shine hanya ɗaya tilo don kayan polymer, musamman robobi, don motsawa daga samfuran zuwa masana'antu.Kayan aikin polymer na zamani suna haɓaka zuwa manyan kayan aikin polymer, sabbin kayan aikin polymer da kayan aikin polymer gabaɗaya tare da ƙarancin farashi da babban aiki.
Haɗin tsarin extrusion shine hanya ɗaya tilo don kayan polymer, musamman robobi, don motsawa daga samfuran zuwa masana'antu.Na zamanikayan polymersuna haɓakawa zuwa manyan kayan aikin kayan aikin polymer, sabbin kayan aikin polymer da kayan aikin polymer gabaɗaya tare da ƙarancin farashi da babban aiki.Babban kayan aikin kayan aikin polymer yana da ƙayyadaddun ƙayyadaddun ƙarfi, kyakkyawan juriya na lalata, juriya na abrasion da sauƙin sarrafawa, waɗanda ke da mahimmanci ga ci gaban tattalin arzikin ƙasa da tsaron ƙasa.Saboda nau'in aikin sa na musamman da na musamman, an yi amfani da sababbin kayan aiki na polymer a cikin masana'antun masana'antu irin su kare muhalli na muhalli, aikin bayanai, kayan aikin kwayoyin halitta, membrane rabuwa na abu, canjin makamashi da fasahar ajiyar makamashi.Babban aiki na kayan aikin polymer na gabaɗaya da ƙarancin farashi na robobi na injiniya har yanzu shine tushen bincike na yanzu da haɓaka kayan polymer da ma'auni mai mahimmanci don faɗaɗa aikace-aikacen robobi na gabaɗaya da robobin injiniya.
Baya ga wasu kaddarorin sarrafa kayan aikin polymer na gargajiya, sabbin kayan polymer suna da bambance-bambance masu yawa a cikin abubuwan zahiri da sinadarai.Bayyana tare da ci gaban sabon polymeric kayan, da filayen aikace-aikace fadada, zuwa high polymer abu hadawa extrusion kuma sa a gaba mafi girma request, da gargajiya hadawa fasaha da kuma kayan aiki ba su da kyau wasu sabon high polymer abu saduwa da bukatar da hadawa, sabili da haka, ci gaban sabon nau'in haɗakarwa da fasaha na fasaha da kayan aiki, don saduwa da bukatun sabon kayan polymer zuwa masana'antu, kayan haɗin BNR;a lokaci guda, kuma shi ne babu makawa Trend na ci gaban polymer sarrafa kayan aiki a yau.
- 1.Application na tagwaye dunƙulehadawa extrusionfasaha
Modern hadawa da hadawa extrusion fasahar shi ne don haɗa data kasance polymer kayan da wani iri-iri na polymers ko ƙara wasu kayan don inganta hade da daban-daban kayan, don haka kamar yadda muhimmanci inganta kayan Properties, ko ba da albarkatun kasa da sabon kaddarorin, ƙara sabon iri zuwa ga. dangin polymer.A cikin duka masana'antar robobi, kusan kashi 60% na robobi dole ne a haɗa su kuma a gyara su don samar da sabbin kayayyaki.Yawancin waɗannan hadaddun tsarin sarrafawa ana kammala su a cikin kayan haɗaɗɗun da ke wakilta ta tagwayen surkulle extruder.Yin amfani da madaidaicin tagwayen dunƙule guda ɗaya don haɗa extrusion yana da fa'idodi masu zuwa:
(1) kyau kwarai hadawa da plasticizing yi, wanda zai iya cikakken tabbatar da watsawa uniformity da kuma yi uniformity na daban-daban kayan bayan hadawa, kuma ya dace da hadaddun ayyuka kamar cika, blending, gilashin fiber ƙarfafa, reactive extrusion da maras tabbas kau na daban-daban resins da kuma robobi.
(2) Silinda da dunƙule iya gane "ginin block" hade, don cimma Multi-manufa, Multi-aiki.
(3) dunƙule meshing, kai-tsabta sakamako yana da kyau;Kayan yana samun sakamako mai kyau na sabuntawar sararin samaniya da kyakkyawan aikin shaye-shaye, wanda zai iya kawar da iskar gas ko monomer da aka samar a cikin tsarin hadawa da filastik.
(4) high dunƙule gudun, babban samar iya aiki, low ikon amfani da naúrar samar, bayyananne makamashi ceto sakamako.
Dangane da fa'idodin da ke sama, fasahar haɗin gwiwar tagwayen- dunƙule hadawa extrusion fasaha yana da wani irreplaceable fa'ida a polymer kayan aiki kayan aiki da kuma mamaye wani babban matsayi a polymer kayan gyara samar.
A halin yanzu, da sabon nau'in tagwayen dunƙule compounding da latest aikace-aikace na extrusion fasahar da aka yafi bayyana a cikin wadannan al'amurran: da shirye-shiryen na nanometer abu gyara ne high polymer abu m Gao Ren irin low cost, high polymer gami kayan, electromagnetic garkuwa. polymeric kayan, novel polymer kayan for m robobi, lantarki marufi, sabon masterbatch da daban-daban aikin masterbatch, da dai sauransu, kuma za a iya amfani da zuwa sabon composite kayan (kamar itace filastik composite) da samarwa da kuma shirye-shiryen da sabon kayan, a Bugu da kari, iya Hakanan za'a yi amfani dashi don grafting polymer, polycondensation na extrusion mai amsawa.Masana'antun da abin ya shafa sun hada da kayan aikin gida, motoci, sadarwa, fasahar lantarki, tsaron kasa, sararin samaniya, kare muhalli, masana'antar sinadarai, kayan gini, wutar lantarki, da sauransu.
- 2.Development na sabon polymer abu extrusion fasaha tare da tagwaye dunƙule
A halin yanzu, ci gaban shugabanci na sabon polymer kayan, wanda aka yafi hada da nanomaterials, lalace robobi, modified kwalta da itace-roba hada kayan, cibiyoyin a kan masana'antu na wadannan kayan, da kuma guda-direction twin- dunƙule extrusion fasahar zama. key don gane da masana'antu.Idan aka kwatanta da kayan polyolefin na yau da kullun, waɗannan kayan suna da babban bambance-bambance a cikin tsarin tsarin kayan abu, tsarin kwayoyin halitta da kaddarorin rheological.
(1) Nanomaterials suna zama sabon nau'in kayan da kasashe daban-daban suka bunkasa.Daga shirye-shiryen nanometer masterbatch zuwa samar da nanometer gyare-gyaren robobi, twin-screw extruder yana taka rawar da ba za a iya maye gurbinsa ba a masana'antar nanometer robobi.Da fari dai, saboda da barbashi size rarraba nanomaterials, da hadawa extrusion da watsawa effects ake bukata ya zama high.Abu na biyu, da shiri na nanometer masterbatch for inviscid narkewa halaye, low tauri, ya ƙunshi babban adadin gas extrusion da Additives a kan aiwatar da cire kayayyakin da bazuwar, da kuma gargajiya polymer karkashin daban-daban jihar plasticizing halaye irin su high brittleness, sanyaya da kuma ƙãre samfurin tsari ne daban-daban daga talakawa polyolefin masterbatch tsari.Daga hadawa da plastizing extruder zuwa sanyaya da granulation, ana buƙatar haɓaka sabbin abubuwa da yawa.Don haka, ba za a iya ɗaukar hanyar sanyaya gabaɗaya na narkakkar polymer ba.Ana samar da samfurin ƙarshe ta hanyar ɗaukar yanayin ciyarwa mai rufaffiyar tare da tarin foda, ɗaukar sabon kayan aikin rotor mai ƙarfi a cikin dunƙule, saita yanayin buffer nau'in shaye-shaye a cikin silinda, da ɗaukar hanyar isar da bel da sanyaya, pre-murkushewa. da murkushewa a cikin tsiri kayan sanyaya da murkushewa.
(2) Akwai da yawa sitaci a cikin ci gaban sitaci cike gurɓataccen robobi, sau biyu lalata robobi da dukan sitaci thermoplastic robobi.Baya ga yin filastik da haɗa su, ƙarancin bushewa da rarraba lokacin zama a cikin tsarin extrusion sun zama matsalolin da ake buƙatar warwarewa yayin haɗuwa da granulating.Saboda haka, bisa ga takamaiman kayan, da ya dace rundunar dunƙule tsawon-diamita rabo, shaye wuri da yawa, dunƙule tsarin da tsari, ƙari yanayin ƙara da kuma ƙara batu ya kamata a zaba don gwada da kuma sanin da sanyi;A lokaci guda, fasahar aiki da fasaha su ma sun zama babbar matsala ta lalata tagwayen dunƙule filastik extrusion.The sama key fasahar iya dogara ne a kan data kasance nasara gwaninta, hade tare da extrusion tsari gwaji da kuma sakamakon bincike, a karshe ƙayyade extrusion aiwatar da kayan aiki sanyi.
(3) . Gyara kwalta ya zama sabon shugabanci na polymer abu gyare-gyare.Mai da hankali kan aikace-aikacen sa a cikin ginin manyan hanyoyi, sake gina filin jirgin sama da ayyukan faɗaɗawa, haɓaka juriyar yanayin zafi da ƙarancin zafin jiki shine babban alkibla na haɓaka ƙimar aikace-aikacensa.Saboda yawan rarraba nauyin kwayoyin halitta da tsarin macromolecule, gyaran kwalta bai inganta sosai ba.Modified kwalta ne na musamman na musamman, yana da duka biyu na cikin halaye na roba roba blending, amma kuma yana da abun ciki na samfurin post-processing, kai na twin dunƙule extruder, hadawa abubuwa na ci gaba, kamar extrusion granulation aka sa a gaba sabon bukatun. , Bukatar ƙididdigewa don haɓaka sabon tsarin nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau‘in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau‘in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau`in nau'in nau'in nau'in nau'i) wanda aka zaba, na‘ura wasan bidiyo, wanda aka zaba a cikin kowane nau'in juzu'i na gwaji, kamar tsayin dunƙule zuwa diamita rabo, lamba da matsayi na sashin shaye-shaye, ƙimar ƙarfi, extruding form da tsarin. , da dai sauransu.
(4) A cikin sharuddan kimiyyar kayan aiki, WPC wani sabon abu ne tare da babban damar.An ba da rahoton cewa an yi amfani da abubuwan haɗin fiber na shuka a cikin masana'antar kera motoci, masana'antar gine-gine, masana'antar sufuri, masana'antar jirgin sama da sauransu saboda manyan kaddarorin injiniyoyinsu, ƙayyadaddun tauri, ƙayyadaddun ƙarfi, ɗaukar sauti da haɓakar halittu.A cikin itace fiber, itace foda gauraye da resin matrix, cakuda hanyoyin daban-daban na itace fiber a cikin hadadden abu samu ta hanyar tarwatsa uniformity na bambanci yana da girma sosai, don gane da masana'antu na itace filastik hada wannan sabon kayan samar da shi ne mabuɗin zuwa ga. Tsarin extrusion da nau'in tsari na musamman na extruder, fasahar ƙirar fasaha ta ta'allaka ne a cikin hanyoyin cajin da aka raba, tsarin nau'in nau'in dunƙule na musamman, TME da ZME element, babban tsarin watsa juzu'i mai ƙarfi, babban dunƙule tsawon zuwa diamita rabo da D / Di = 1.55 free girma , Hanyar mataki daya na samar da tagwayen dunƙule extrusion.
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Lokacin aikawa: Agusta-22-2019