Mu njira zamakono zopangira ma pelletizing apulasitiki, mapampu a vacuum ndi fmakina owunikiraKuchita mbali yofunika kwambiri, kukhudza mwachindunji ubwino wa zinthu, kugwira ntchito bwino kwa zinthu, komanso moyo wautali wa zida. Kuyika ma pellets mu pulasitiki kumaphatikizapo kusintha zipangizo zopangira pulasitiki kukhala ma pellets kudzera mu magawo monga kusungunuka, kutulutsa, ndi kudula. Panthawiyi, makina oyeretsera mpweya amaonetsetsa kuti zinthu zosasunthika, chinyezi, ndi zinyalala zazing'ono zimachotsedwa mu pulasitiki yosungunuka, motero kutsimikizira kuti ma pellets omaliza ali ndi mphamvu komanso kukhazikika kwa mankhwala.
Pa nthawi yosungunuka ndi kutulutsa ma pellets a pulasitiki, zinthu zopangira pulasitiki nthawi zambiri zimakhala ndi chinyezi chotsalira, ma volatiles otsika, ndi mpweya zomwe zingalowetsedwe panthawi yokonza. Ngati zonyansazi sizichotsedwa bwino, zimatha kubweretsa zolakwika mu chinthu chomaliza, monga thovu, kusweka kwakukulu, komanso mtundu wosafanana. Pazochitika zazikulu, mavutowa amatha kusokoneza magwiridwe antchito a ma pellets a pulasitiki. Mwa kupereka malo okhazikika opanikizika, ma vacuum pumps amachotsa bwino zinthuzi zosasunthika, ndikuwonetsetsa kuti pulasitiki isungunuka bwino. Nthawi yomweyo,zosefera za vacuum, zomwe zimagwira ntchito ngati zida zotetezera pamwamba pa pampu, zimaletsa tinthu tating'onoting'ono ndi zotsalira zosasunthika zomwe zingatuluke mu kusungunuka. Izi zimaletsa zinthu zotere kulowa mkati mwa pampu, komwe zingayambitse kuwonongeka kapena kutsekeka, motero zimakulitsa moyo wa ntchito ya pampu yotulutsa mpweya.
Ndikofunikira kudziwa kuti njira zopangira ma pellets apulasitiki zimapangitsa kuti pakhale kukhazikika kwa vacuum. Kusagwira bwino ntchito kwa ma pumps mokwanira kapena kosinthasintha kungayambitse kuchotsedwa kwa mpweya kosakwanira kuchokera ku kusungunuka, zomwe zimakhudza kuchulukana ndi kufanana kwa ma pellets. Izi ndizofunikira kwambiri popanga mapulasitiki opanga zinthu kapena zinthu zowonekera bwino, komwe ngakhale thovu kapena zodetsa zimatha kukhala zolakwika zakupha mu chinthucho. Chifukwa chake, kusankha mtundu woyenera wa pampu ya vacuum (monga ma pumps a vacuum a liquid ring, ma pumps a vacuum a dry screw, ndi zina zotero) ndikuyika ma fyuluta olondola kwakhala gawo lofunikira kwambiri popanga mizere yopanga ma pellets a pulasitiki.
Komanso, kusankha kwazosefera za vacuumziyenera kukonzedwa kuti zigwirizane ndi mawonekedwe a zipangizo zopangira pulasitiki. Mwachitsanzo, pokonza mapulasitiki obwezerezedwanso kapena mapulasitiki odzazidwa ndi osinthidwa, zipangizozo zimakhala ndi zinthu zambiri zodetsedwa. M'mikhalidwe yotere, mafyuluta okhala ndi mphamvu yogwira fumbi komanso kulondola kwambiri kwa kusefera amafunika kuti apewe kusinthidwa pafupipafupi komanso kutayika kwa nthawi yogwira ntchito. Kuphatikiza apo, mapulasitiki ena omwe amakonda kusungunuka kapena kutentha, ndikofunikira kuyika zida zoteteza mpweya wosagwira ntchito mu dongosolo losefera kuti zinthu zisawonongeke m'malo opanda mpweya.
Kuchokera pamalingaliro okhudza kugwiritsa ntchito mphamvu moyenera komanso kuteteza chilengedwe, njira yogwiritsira ntchito vacuum yothandiza ingachepetse kutayika kwa zinthu ndi kugwiritsa ntchito mphamvu panthawi yopaka pulasitiki. Mwa kukonza magwiridwe antchito a mapampu a vacuum ndi kayendedwe kokonza zosefera, mabizinesi amatha kuchepetsa ndalama zopangira ndikuwonetsetsa kuti zinthu zili bwino. Makina ena apamwamba a vacuum ali ndi zida zanzeru zowunikira zomwe zimatha kuzindikira kuchuluka kwa vacuum ndi kukana kwa fyuluta nthawi yeniyeni, kupereka machenjezo oyambirira a zolakwika zamakina ndikuwonjezera kuchuluka kwa makina opangira.
Pamene zinthu zopangidwa ndi pulasitiki zikupita patsogolo kuti zikhale ndi magwiridwe antchito apamwamba komanso magwiridwe antchito ambiri, kufunikira kwa makina oyeretsera mpweya kudzapitirira kukwera. Izi zimafuna mgwirizano pakati pa opanga zida ndi ma processor apulasitiki kuti apititse patsogolo luso laukadaulo, zomwe zimapangitsa kuti pakhale zotsatira zabwino komanso zokhazikika pakupanga.
Nthawi yotumizira: Januwale-10-2026
