Kusanganisa extrusion process ndiyo chete nzira yekuti polymer zvinhu, kunyanya mapurasitiki, zvifambe kubva kune zvigadzirwa kuenda kumaindasitiri.Zvishandiso zvemazuva ano zvepolymer zviri kusimukira zvakanangana nepamusoro-inoita polymer zvimiro zvekugadzira, zvitsva zvepolymer zvinoshanda zvinhu uye zvakajairika zvepolymer zvinhu zvine mutengo wakaderera uye kuita kwakanyanya.
Kusanganisa extrusion process ndiyo chete nzira yekuti polymer zvinhu, kunyanya mapurasitiki, zvifambe kubva kune zvigadzirwa kuenda kumaindasitiri.Mazuvanopolymer zvinhuiri kusimukira yakanangana nepamusoro-inoita polymer zvimiro zvemidziyo, mitsva yepolymer inoshanda zvinhu uye zvakajairika polymer zvinhu zvine mutengo wakaderera uye kuita kwakanyanya.High performance polymer structural materials inoratidzwa nepamusoro-soro yakasimba yakasimba, yakanakisa corrosion resistance, abrasion resistance uye nyore kugadzirisa, izvo zvakakosha zvikuru mukusimudzira hupfumi hwenyika nekuchengetedzwa kwenyika.Nekuda kweiyo yakasarudzika inoshanda uye yakasarudzika mhando, nyowani yepolymer inoshanda zvinhu zvakashandiswa zvakanyanya mundima dzemaindasitiri senge ecological chengetedzo nharaunda, ruzivo rwekuita, biomedical michina, zvinhu zvekuparadzanisa membrane, shanduko yesimba uye simba rekuchengetedza tekinoroji.Kuita kwepamusoro kwezvakajairwa zvepolymer zvinhu uye mutengo wakaderera wemapurasitiki einjiniya zvichiri kutarisisa kwezvino kutsvagisa uye kuvandudzwa kwezvinhu zvepolymer uye chiyero chakakosha chekuwedzera chiyero chekushandiswa kwemapurasitiki akajairwa nemapurasitiki einjiniya.
Pamusoro pezvimwe zvekugadzirisa zvivakwa zvechinyakare zvepolymer zvinhu, zvitsva zvepolymer zvinhu zvine misiyano yakawanda mune zvemuviri nemakemikari zvimiro.Inoratidzika nekuvandudzwa kwezvinhu zvitsva zvepolymeric, minda yekushandiswa kwekuwedzera, kune yakakwirira polymer zvinhu zvinosanganiswa extrusion zvinoiswawo mberi chikumbiro chepamusoro, tekinoroji yekusanganisa tekinoroji nemidziyo hazvina zvakanaka zvimwe zvitsva zvepolymer zvinhu zvinosangana nezvinodiwa zvekusanganisa, saka, kuvandudzwa kwemhando itsva yekusanganisa extrusion tekinoroji nemidziyo, kusangana nezvinodiwa zvezvinhu zvitsva zvepolymer kune maindasitiri, kusanganisa midziyo BNR;panguva imwecheteyo, zvakare maitiro asingadzivisike ekuvandudzwa kwepolymer processing equipment nhasi.
- 1.Kushandiswa kwetwin screwkusanganisa extrusionteknolojia
Yemazuva ano kusanganisa uye kusanganisa extrusion tekinoroji ndeyekusanganisa zviripo zvepolymer zvinhu zvakasiyana-siyana zvepolymers kana kuwedzera zvimwe zvinhu kukwirisa musanganiswa wezvinhu zvakasiyana, kuitira kuti uvandudze zvakanyanya zvivakwa zvezvinhu, kana kupa zvinhu zvakasvibirira nezvivakwa zvitsva, kuwedzera mhando nyowani mhuri yepolymer.Muindasitiri yese yepurasitiki, inenge 60% yemapurasitiki anofanirwa kusanganiswa uye kugadziridzwa kuti abudise zvinhu zvitsva.Mazhinji eaya maitiro akaomarara ekugadzirisa anopedzwa mumichina yekusanganisa inomiririrwa netwin screw extruder.Kushandisa iyo yakafanana nhungamiro twin screw kusanganisa extrusion ine zvinotevera zvakanakira:
(1) yakanakisa kusanganisa uye kuita kweplasticizing kuita, iyo inogona kuvimbisa zvizere kupararira kufanana uye kushanda kwakafanana kwezvinhu zvakasiyana-siyana mushure mekusanganiswa, uye inokodzera mashandiro akaomarara akadai sekuzadza, kusanganisa, girazi fiber reinforcement, reactive extrusion uye kushata kubviswa kweakasiyana resin uye. mapurasitiki.
(2) silinda uye screw inogona kuona "chivakwa chekuvaka" musanganiswa, kuitira kuti uwane akawanda-chinangwa, akawanda-basa.
(3) screw meshing, kuzvichenesa kuita kwakanaka;Izvo zvinhu zvinowana yepamusoro yekuvandudza mhedzisiro uye yakanakisa kupera simba kuita, iyo inogona kubvisa gasi kana monomer inogadzirwa mukusanganisa uye plasticizing maitiro.
(4) high screw speed, hombe yekugadzira simba, yakaderera simba rekushandisa pane imwe unit kugadzirwa, pachena simba rekuchengetedza maitiro.
Zvichienderana nezvakanakira zviri pamusoro, iyo co-directional twin-screw kusanganisa extrusion tekinoroji ine mukana usingadzokerike mupolymer zvinhu zvekugadzira michina uye inotora chinzvimbo chinotungamira mukugadzirwa kwepolymer zvinhu.
Parizvino, rudzi rutsva rwemapatya-screw kusanganisa uye yazvino kushandiswa kweextrusion tekinoroji inonyanya kuratidzwa mune zvinotevera zvinhu: kugadzirira kwe nanometer zvinhu gadziriso yakakwira polymer zvinhu zvakaomarara Gao Ren mhando yemutengo wakaderera, yakakwira polymer alloy zvinhu, electromagnetic shielding. polymeric zvinhu, novel polymer zvinhu zvemapurasitiki anoparara, emagetsi kurongedza, nyowani masterbatch uye akasiyana anoshanda masterbatch, nezvimwewo, zvinogona zvakare kushandiswa kune zvitsva zvinoumbwa zvinhu (zvakadai semapuranga epurasitiki composite) kugadzirwa uye kugadzirira kwezvinhu zvitsva, mukuwedzera. zvakare inoshandiswa polymer grafting, polycondensation ye reactive extrusion.Maindasitiri anosanganisirwa anosanganisira midziyo yemumba, mota, kutaurirana, tekinoroji yemagetsi, dziviriro yenyika, aerospace, kuchengetedza kwezvakatipoteredza, indasitiri yemakemikari, zvekuvakisa, magetsi emagetsi, nezvimwe.
- 2.Kuvandudzwa kwepolymer material extrusion tekinoroji netwin screw
Parizvino, iyo nzira yekusimudzira yezvigadzirwa zvitsva zvepolymer, izvo zvinonyanya kuumbwa nemananomaterials, mapurasitiki anoparara, yakagadziridzwa asphalt uye huni-plastiki inoumbwa zvinhu, inotarisana neindasitiri yezvigadzirwa izvi, uye yakafanana-direction twin-screw extrusion tekinoroji inova iyo. kiyi yekuona kuvandudzwa kwemaindasitiri.Zvichienzaniswa neyakajairwa polyolefin zvinhu, zvinhu izvi zvine misiyano mikuru mukuumbwa kwezvinhu, chimiro chemolecular uye rheological properties.
(1) .Nanomaterials iri kuita rudzi rutsva rwezvinhu zvakagadzirwa nenyika dzakasiyana-siyana pasi rose.Kubva pakugadzirira nanometer masterbatch kusvika pakugadzirwa kwenanometer yakagadziridzwa mapurasitiki, twin-screw extruder inoita basa risingadzokerike muindasitiri yemapurasitiki e nanometer.Chekutanga, nekuda kwekugovaniswa kwesaizi yemananomaterials, iyo yekusanganisa extrusion uye dispersion mhedzisiro inodiwa kuve yakakwirira.Chechipiri, gadziriro ye nanometer masterbatch ye inviscid melt maitiro, kusimba kwakaderera, ine huwandu hukuru hwegasi extrusion uye additives mukuita kwekubvisa zvigadzirwa zvekuora, uye yechinyakare polymer pasi peakasiyana mamiriro eplasticizing hunhu hwakanyanya brittleness, kutonhora uye. kupedza chigadzirwa maitiro akasiyana neakajairwa polyolefin masterbatch process.Kubva pakusanganisa uye plasticizing extruder kusvika pakutonhodza uye granulation, zvakawanda zvekuvandudza zvinodikanwa.Naizvozvo, iyo yakajairika kutonhora nzira yeakanyungudutswa polymer haigone kutorwa.Chigadzirwa chekupedzisira chinogadzirwa nekutora yakavharwa yekudyisa modhi nekuunganidzwa kweupfu, kutora iyo nyowani-yakanyanya dense rotor element mu screw, kuseta buffer type exhaust mode mucylinder, uye kutora nzira yekutakura bhandi uye kutonhora, pre-kupwanya. uye kupwanya mumucheka wezvinhu kutonhora nekupwanya.
(2) .Kune starch yakawanda mukugadzirwa kwestarch yakazadzwa mapurasitiki anoparara, mapurasitiki akaora kaviri uye yose starch thermoplastic plastiki.Pamusoro peplasticizing uye kuvasanganisa, kupera simba kwemvura uye kugovera nguva yekugara mune extrusion process yave matambudziko anoda kugadziriswa pakusanganisa uye granulating.Naizvozvo, zvinoenderana nechaiyo zvinhu, iyo yakakodzera host screw urefu-diameter ratio, nzvimbo yekuburitsa uye huwandu, screw chimiro uye kurongeka, yekuwedzera yekuwedzera modhi uye poindi yekuwedzera inofanirwa kusarudzwa kuyedza uye kuona magadzirirwo;Panguva imwecheteyo, tekinoroji yekushanda uye tekinoroji zvakare inova dambudziko rakakosha rekuparara kwepurasitiki twin-screw extrusion.Iwo ari pamusoro akakosha matekinoroji anogona kuve akavakirwa pane iripo yakabudirira chiitiko, yakasanganiswa neextrusion process kuyedza uye ongororo yemhedzisiro, pakupedzisira sarudza iyo extrusion process michina kumisikidza.
(3) .Modified asphalt yava nzira itsva yepolymer material modification.Kutarisa pakushandiswa kwayo mukuvaka migwagwa mikuru, kuvakazve airport uye mapurojekiti ekuwedzera, kuvandudza tembiricha yayo uye yakaderera tembiricha brittle chivakwa ndiyo nzira huru yekuvandudza kukosha kwayo kwekushandisa.Nekuda kwekuwanda kwema molecular uremu kugovera uye chimiro che macromolecule, shanduko yeasphalt haina kunyanya kuvandudzwa.Yakagadziridzwa asphalt yakakosha kwazvo, ine zvese zviri zvehunhu hwerabha plastiki kusanganisa, asi zvakare ine zviri mukati mechigadzirwa post-kugadziriswa, kutakurwa kwemapatya screw extruder, kusanganisa zvinhu zvebudiriro, senge extrusion granulation inoiswa mberi zvinodiwa zvitsva. , inoda hunyanzvi hwekuvandudza chimiro chitsva uye kumisikidzwa kweiyo screw element, koni, yakasarudzwa kaviri screw chikamu mumhando dzese dzebvunzo paramita, senge screw urefu kusvika dhayamita reshiyo, nhamba uye chinzvimbo chechikamu chekupedza simba, shear rate, extruding fomu uye chimiro. , nezvimwewo.
(4) .Maererano nesayenzi yezvinhu, WPC chinhu chitsva chine simba guru.Zvinonzi zvidyarwa zvefiber composites zvakashandiswa zvakanyanya muindasitiri yemotokari, indasitiri yekuvaka, indasitiri yezvekufambisa, indasitiri yendege uye zvichingodaro nekuda kwehupamhi hwemakina zvivakwa, kuomarara chaiko, kusimba chaiko, kunyura kwekurira uye biodegradability.Mune fiber yehuni, huni hupfu hwakasanganiswa neresin matrix, musanganiswa wenzira dzakasiyana dzehuni fiber mune inoumbwa zvinhu zvinowanikwa nekuparadzira kufanana kwekusiyana kwakakura kwazvo, kuona maindasitiri emapuranga epurasitiki anoumba ichi chitsva kugadzirwa kwezvinhu ndicho kiyi kune extrusion process uye yakasarudzika chimiro che extruder, iyo tekinoroji innovation poindi iri munzira dzakakamurwa dzekuchaja, yakakosha screw type chimiro, TME uye ZME chinhu, yakakwira torque gear transmission system, yakakura screw kureba kusvika dhayamita chiyero uye D/ Di = 1.55 yemahara vhoriyamu. , imwe-nhanho nzira yekugadzira twin-screw extrusion.
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Nguva yekutumira: Aug-22-2019