Kev Taw Qhia luv luv rau cov txheej txheem tsim khoom ntawm PET Ntim
Taw qhia
Polyethylene Terephthalate, feem ntau hu ua PET, yog hom yas uas tau dhau los ua qhov tseem ceeb hauv kev lag luam ntim khoom. Paub txog nws lub zog, pob tshab, thiab rov ua dua tshiab, PET yog dav siv los tsim cov thawv rau dej haus, zaub mov, tshuaj, thiab lwm yam khoom. Qhov blog no muab cov ntsiab lus luv luv ntawm cov txheej txheem tsim khoom ntawm PET ntim, los ntawm cov khoom siv raw mus rau cov khoom tiav.
1. Raw Material Synthesis
Cov txheej txheem tsim khoom pib nrog kev sib txuas ntawm PET resin. PET yog ib qho polymer ua los ntawm terephthalic acid (TPA) thiab ethylene glycol (EG). Ob cov tshuaj no tau txais cov tshuaj tiv thaiv polymerization los tsim PET pellets, uas yog cov khoom siv raw rau kev tsim cov thawv PET.
2. Preform ntau lawm
Cov kauj ruam tom ntej hauv cov txheej txheem yog tsim cov preforms. Preforms yog me me, kuaj-tube-puab daim ntawm PET uas tom qab cua tshuab rau hauv lawv lub thawv kawg. Kev tsim cov preforms suav nrog:
(1) Kev ziab cov PET pellets:PET pellets tau qhuav kom tshem tawm cov dej noo, uas tuaj yeem cuam tshuam qhov zoo ntawm cov khoom kawg.
(2) Txhaj Molding:Cov pellets qhuav tau muab tso rau hauv lub tshuab txhaj tshuaj molding, qhov chaw uas lawv tau yaj thiab txhaj rau hauv pwm los ua preforms. Tom qab ntawd cov preforms yog txias thiab ejected los ntawm pwm.
3. Tshuab Moulding
Tshuab moulding yog cov txheej txheem uas preforms hloov mus rau hauv cov thawv PET zaum kawg. Muaj ob lub ntsiab ntawm cov txheej txheem tshuab moulding: txhaj tshuaj stretch tshuab moulding (ISBM) thiab extrusion tshuab moulding (EBM).
Txhaj Stretch Tshuab Moulding (ISBM):
(1) Cua sov:Preforms yog rhuab mus rau ib tug tshwj xeeb kub kom lawv pliable.
(2) Stretching thiab tshuab:Lub rhuab preform yog muab tso rau hauv ib lub pwm. Ib tug stretch pas nrig txuas mus rau hauv lub preform, stretching nws lengthwise. Nyob rau tib lub sijhawm, cov cua kub siab yog cua tshuab rau hauv lub preform, nthuav nws kom haum rau cov pwm cov duab.
(3) Cua txias:Lub thawv tsim tshiab yog txias thiab tshem tawm ntawm pwm.
Extrusion Tshuab Moulding (EBM):
(1) Extrusion:Molten PET yog extruded rau hauv ib lub raj, hu ua parison.
(2) Tshuab:Lub parison yog muab tso rau hauv ib lub pwm thiab tshuab nrog cua kom haum rau cov pwm cov duab.
(3) Cua txias:Lub thawv yog txias thiab ejected los ntawm pwm.
4. Kev Tswj Xyuas Zoo thiab Kev Xeem
Kev tswj kom zoo yog qhov tseem ceeb thoob plaws hauv cov txheej txheem tsim khoom kom ntseeg tau tias cov thawv PET ua tau raws li cov qauv xav tau. Ntau yam kev ntsuam xyuas yog ua los xyuas cov khoom xws li lub zog, qhov pom tseeb, thiab kev tiv thaiv to. Automated systems thiab phau ntawv tshuaj xyuas yog ua hauj lwm los txheeb xyuas thiab kho tej yam tsis xws luag.
5. Daim ntawv lo thiab ntim
Thaum cov thawv ntim tau dhau qhov kev ntsuas kev tswj xyuas zoo, lawv txav mus rau qhov chaw sau npe thiab ntim khoom. Cov ntawv sau yog siv los siv cov txheej txheem sib txawv, xws li cov ntawv nplaum, lub tes tsho, lossis luam ntawv ncaj qha. Tom qab ntawv cov thawv ntim tau ntim thiab npaj rau kev faib tawm.
Xaus
Cov txheej txheem tsim khoom ntawm PET ntim yog qhov sib xyaw ua ke ntawm chemistry thiab engineering. Los ntawm kev sib txuas ntawm cov khoom siv raw mus rau qhov kawg ntim, txhua kauj ruam yog tsim los tsim cov khoom zoo, txhim khu kev qha, thiab muaj kev nyab xeeb. PET qhov kev ua tau zoo thiab rov ua dua tshiab ua rau nws yog qhov kev xaiv zoo tshaj plaws hauv ntau qhov kev lag luam, uas qhia txog cov khoom tseem ceeb hauv cov kev daws teeb meem niaj hnub no.
Kev xav zaum kawg
Kev nkag siab txog cov txheej txheem tsim khoom ntawm PET ntim tsis tsuas yog qhia txog qhov nyuaj thiab qhov tseeb koom nrog tab sis tseem qhia txog qhov tseem ceeb ntawm kev tsim kho tshiab thiab kev ruaj khov hauv kev lag luam ntim khoom. Raws li kev siv thev naus laus zis, peb tuaj yeem cia siab tias yuav muaj kev txhim kho ntxiv hauv kev ua haujlwm thiab kev cuam tshuam ib puag ncig ntawm PET ntim khoom.