Izindaba

I-PET (Polyethylene Terephthalate) iyi-polymer esetshenziswa kakhulu ye-thermoplastic yezinhlelo ezahlukahlukene, njengokuphaphala, izindwangu, kanye nobunjiniyela. I-PET inezakhiwo ezinhle kakhulu zemishini, ezishisayo, neze-optical, futhi ingaphinde isetshenziswe kabusha futhi isetshenziswe kabusha ngemikhiqizo emisha. Kodwa-ke, isilwane sibuye sibe yi-hygroscopic impahla, okusho ukuthi ithola umswakama emvelweni, futhi lokhu kungathinta ikhwalithi nokusebenza kwayo. Umswakama wesilwane wesilwane ungadala ukuthi i-hydrolysis, okuwukusabela kwamakhemikhali okubhidliza amaketanga we-polymer futhi kunciphise ukubonwa okungaphakathi (iv) kwezinto ezibonakalayo. IV yisilinganiso sesisindo se-molecular kanye nezinga le-polymerization yesilwane, futhi kuyinkomba ebalulekile yamandla, ukuqina, kanye nokusebenza kwezinto ezibonakalayo. Ngakho-ke, kubalulekile ukuze ome futhi ushaye isilwane ngaphambi kokukhishwa, ukususa umswakama futhi uvikele ukulahleka kwe-IV.

I-infrared crystal dryer pet granutionInoveli nobuchwepheshe obusezingeni eliphezulu obusebenzisa ukukhanya kwe-infrared (IR) ukubopha futhi kushaye ama-flakes wesilwane esigabeni esisodwa, ngaphambi kokubondla ku-extruder ukuze kusetshenzwe okwengeziwe. I-IR Light iyindlela yemisebe ye-electromagnetic ene-wavelength phakathi kwama-microns aphakathi kuka-0.7 no-1000, futhi ingahle idonswe ngama-molecule wezilwane kanye namanzi, ibangelwe ukudlidliza nokukhiqiza ukushisa. Ukukhanya kwe-IR kungangena ngaphakathi kwezilwane ezifuywayo bese uzishisa ngaphakathi, okuholele ekutheni ukomisa ngokushesha nokusebenza kahle kunendlela evamile, enjenge-air-air noma yomoya oshisayo noma owomile womoya noma we-vacuum.

I-Infstared Crystal Dryer Peter Peter Granution inezinzuzo eziningana ngaphezulu kwezindlela zokomisa zendabuko neze-Crystallization, ezinjengokuthi:

• Yehlise isikhathi sokumisa nokomisa kwe-crystallization: ukukhanya kwe-IR kungama futhi kushaye ama-flakes wezilwane ngemizuzu engama-20, kuqhathaniswa namahora ambalwa adingekayo ngezindlela ezijwayelekile.

• Ukuncishiswa kwamandla okuncishisiwe

• Okunciphise okuqukethwe umswakama: ukukhanya kwe-IR kungamisa futhi kushaye ama-fuls pet kuze kube kokuqukethwe komswakama kokugcina okungaphansi kwama-50 ppm, kuqhathaniswa ne-200 ppm etholakele ngezindlela ezijwayelekile.

• Okuncishiswa ukuncipha kwe-IV: ukukhanya kwe-IR kukoma futhi kushaye ama-flakes wezilwane ngokulahleka okuncane kwe-IV ku-0.05, kuqhathaniswa nokulahleka okungu-0.1 kuya ku-0.2 IV kudalwe izindlela ezijwayelekile.

• Ukwanda kwe-Bulk Density: Ukukhanya kwe-IR kungakhulisa ubuningi obuningi bezilwane ezifuywayo ngo-10 kuye kwangama-20 kuye kwangama-20%, kuqhathaniswa nobunzima bokuqala, obuthuthukisa ukusebenza kwe-extrud kanye nokukhishwa kwe-extpur.

• Ikhwalithi Yomkhiqizo Ethuthukisiwe: Ukukhanya kwe-IR kungamehla futhi kushaye ama-fulsful pet ngaphandle kokubangela ophuzi, ukonakala, noma ukungcoliswa, okuthuthukisa ukubukeka nemikhiqizo yokugcina.

Ngalezi zinzuzo, ukuthambekela kwe-crystal crystal dryer pet kungathuthukisa ukusebenza kahle kanye nekhwalithi yokukhishwa kwezilwane ezifuywayo, futhi kungahlangabezana nezidingo zezicelo zebanga lokudla.

Inqubo ye-Infstared Crystal Dryer Peet Peet Peet Granution ingahlukaniswa izinyathelo ezintathu eziphambili: ukomisa, ukomisa nokukhazimula, nokukhipha.

Ukondla

Isinyathelo sokuqala se-infstared crystal dryer pet granution yokondla. Kulesi sinyathelo, izilwane ezifuywayo, ezingaba yintombi noma zisebenze kabusha, zondliwa zokomisa nge-ir dryer nge-isikulufa isikulufa noma i-hopper. Izilwane zasekhaya zingaba nokuqukethwe komswakama kokuqala okufika ku-10,000 kuya ku-13,000 ppm, kuya ngomthombo kanye nezimo zokugcina. Izinga lokuphakelwa kanye nokunemba kuyizinto ezibalulekile ezithinta ukusebenza komiswa nokwenziwayo kanye nekhwalithi yomkhiqizo.

Ukomisa nokukhahlela

Isinyathelo sesibili se-infstared crystal dryer pet granution yomiswa futhi sikhazimula. Kulesi sinyathelo, amafulethi wezilwane ezifuywayo avezwa ukukhanya kwe-IR ngaphakathi kwesigubhu esijikelezayo, esinesiteshi esivulekile kanye nezipaxo ezingaphakathi kwaso. Ukukhanya kwe-IR kukhishwe yi-Statitter Bank of Ir Emitters, etholakala enkabeni yesigubhu. I-IR Light ine-wavelength ka-1 kuye kwa-2 ama-microns, ahlelwe ku-spectrum yokumunca isilwane kanye namanzi, futhi angangena ku-5 mm ezifubeni ezifuywayo. Ukukhanya kwe-IR kufudumeza izilwane ezifuywayo kusuka ngaphakathi, okubangela ama-molecule amanzi ukuba avele aqhamuke futhi ama-molecule wezilwane ukuba anyakaze futhi ahlele kabusha esakhiweni sekristalu. Umphunga wamanzi ususwa umfudlana womoya okhona, ogeleza esigubhu futhi uphethe umswakama. Isiteshi esiwuvunguza kanye nezihlahlana zidlulisela izilwane zasekhaya ezisendleleni yesigubhu, ziqinisekisa ukuvezwa komfaniswano nokuningi okukhanyayo. Inqubo yokomisa ne-crystalliting ithatha imizuzu engama-20, futhi iphumela ekuqukethwe komswakama kokugcina okungaphansi kwama-50 ppm kanye nokulahleka okuncane kwe-0,05. Inqubo yokomisa ne-crystalliting futhi yandisa ubuningi obuningi bezilwane zasekhaya nge-10 kuye kwangama-20 kuye kwangama-20 kuye kwangama-20%, futhi ivimbela ukuphuzi nokuwohloka kwezinto ezibonakalayo.

Qhubekela phambili

Isinyathelo sesithathu nesokugcina se-infstared crystal dryer pet granul yengeziwe. Kulesi sinyathelo, izilwane ezifuywayo ezimisiwe futhi eziklelisiwe zisondlisiwe ku-extuder, ezincibilika, zihlekisa, futhi zibonise impahla emikhiqizweni oyifunayo, njenge-pellets, imicu, amafilimu, noma amabhodlela. I-extruder ingaba isikulufa esisodwa noma uhlobo lwe-twin-screw, ngokuya ngokucaciswa komkhiqizo kanye nezithasiselo ezisetshenzisiwe. I-extruder nayo ingafakelwa i-vacuum vent, engasusa noma yimuphi umswakama osalayo noma ama-volutiles asuka kuncibilike. Inqubo yokukhinyaza ithonywa ngejubane lesikulufo, ukumiswa kwesikulufa, izinga lokushisa le-barrel, i-geometry ye-die, futhi incibilikisa i-Rhelogy. Inqubo yokukhinyaza kumele yenziwe kahle ukufeza ukukhishwa okubushelelezi nokuzinzile, ngaphandle kweziphambeko, njengokuphazamiseka kokuncibilika, ukufela okuvuvukala, noma ukungazinzi kahle. Inqubo yokukhinyaza ingalandelwa futhi yinqubo yangemva kokwelashwa, njengokupholisa, ukusika, noma ukuqoqa, kuya ngohlobo lomkhiqizo kanye nemishini ye-DownTream.

Ukugcina

I-Infstared Crystal Dryer Peter Petration iyinoveli nobuchwepheshe obusha obusebenzisa ukukhanya kwe-IR ukoma futhi ushaye ama-flakes wezilwane ezifuywayo ngesinyathelo esisodwa, ngaphambi kokubondla ku-extruder ukuze kuqhutshekwe. Lobu buchwepheshe bungathuthukisa ukusebenza kahle kanye nekhwalithi yokukhishwa kwesilwane, ngokunciphisa isikhathi sokumisa nokukhazimula, ukusetshenziswa kwamandla, okuqukethwe umswakama, kanye nokulahleka komswakama kanye nekhwalithi yomkhiqizo. Lobu buchwepheshe bungahlangabezana nezidingo zezicelo zebanga lokudla, ngokulondolozwa kwe-IV futhi zivimbele ophuzi nokuwohloka kwesilwane sasekhaya. Lobu buchwepheshe bunganikela ekusimeni kanye nomnotho oyindilinga wesilwane, ngokunika amandla ukuphinda usebenzise kabusha futhi usebenzise kabusha isilwane semikhiqizo emisha.

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