Ekukhiqizweni kwezintambo, ukukhethwa kwezinto zokuvikela uthuli kuthinta ngqo ukusebenza komkhiqizo, impilo yesevisi, kanye nokuphepha kokusebenza. Izinto zokuvikela uthuli ezisetshenziswa kakhulu namuhla zifaka i-Polyvinyl Chloride (PVC), i-Polyethylene (PE), kanye ne-Cross-linked Polyethylene (XLPE). Ngenxa yezakhiwo zazo ezihlukile zama-molecule kanye nezakhiwo zezinto, ngayinye ifanelekela izimo ezahlukene zokusetshenziswa.
1. Ukufakwa kwe-Polyvinyl Chloride (PVC)
I-PVC ingenye yezinto zokuvikela ikhebula ezisetshenziswa kakhulu, eyaziwa ngamandla ayo amahle okusebenza, ukulula kokucutshungulwa, kanye nokumelana okuhle kakhulu nama-acid nama-alkali. Ngokufaka izithasiselo ezivimbela ilangabi ekwakhiweni kwayo, ukuvikela i-PVC kungafeza ukusebenza okuphumelelayo kokuvimbela ilangabi, okwenza ifaneleke ezintanjeni nasezintanjeni zenhloso evamile.
Kuye ngokuqina, i-PVC eguquguqukayo isetshenziswa kakhulu ezingqimbeni zokuvikela ukushisa, kuyilapho i-PVC eqinile ivame ukusetshenziswa njengesivikelo sekhebula. Kufanele kuqashelwe ukuthi izinga lokushisa lokusebenza elivunyelwe isikhathi eside (izinga lokushisa lomqhubi) lamakhebula afakwe isivikelo se-PVC ngokuvamile lingu-70 °C, kanti i-PVC ingakhipha umusi oqinile uma ibhekene nomlilo.
2. Ukufakwa kwe-Polyethylene (PE)
Ukufakwa kwe-PE kubonakaliswa yizakhiwo zayo zikagesi ezivelele, okuhlanganisa ukungaguquguquki kwe-dielectric okuphansi, ukulahleka kwe-dielectric okuphansi, kanye nokumelana nomthamo ophezulu, okwenza kube kuhle kakhulu ekudlulisweni kwesignali yemvamisa ephezulu. Ngaphezu kwalokho, i-PE ibonisa ukusebenza okuhle kakhulu kwezinga lokushisa eliphansi kanye nokuqina kwamakhemikhali.
Izintambo ezifakwe i-PE zisetshenziswa kabanzi ezintanjeni zokuxhumana kwedatha, ezintanjeni ze-coaxial, kanye nasezintanjeni zamandla ezisebenzisa i-voltage ephansi kuya kwephakathi. Izinga lokushisa lokusebenza elivunyelwe isikhathi eside (izinga lokushisa lomqhubi) lokufakwa kwe-PE ngokuvamile lingu-70 °C.
3.I-Polyethylene exhumene ne-Cross-linked (XLPE)Ukuvikela
I-XLPE iyinto yokulungisa ukushisa ekhiqizwa ngokuxhumanisa isakhiwo sama-molecule esiqondile se-PE ngamakhemikhali noma ngokomzimba sibe yinethiwekhi enezinhlangothi ezintathu. Le nqubo yokuxhumanisa iholela ekuthuthukisweni okukhulu ekusebenzeni kwezinto.
Ukufakwa kwe-XLPE okunikezwayo:
Izinga lokushisa lokusebenza elivunyelwe isikhathi eside lenyuke laya ku-90 °C
Ukumelana nokushisa kwe-short-circuit kufika ku-250 °C
Amandla emishini athuthukisiwe kanye nokumelana okuthuthukisiwe nokuqhekeka kokucindezeleka kwemvelo
Ngesikhathi esifanayo, i-XLPE igcina izakhiwo zikagesi ezinhle kakhulu ze-PE. Ngenxa yalokho, i-XLPE isibe yinto yokuvikela ekhethwayo yezintambo zikagesi ezisebenza ngamandla aphakathi naphezulu, izintambo zikagesi ezintsha, kanye nezinhlelo zokusebenza zezimboni ezinezimo zokusebenza ezidinga amandla.
4. Umhlahlandlela Wokukhetha Isicelo
I-PVC-izintambo ezifakwe ugesi: Ziyabiza futhi ziyasebenza, zifanelekela izintambo zesakhiwo sangaphakathi, izintambo zokulawula ezijwayelekile, kanye nezinye izindawo ezivamile ezomile.
Izintambo ezifakwe i-PE: Ukusebenza kahle kukagesi, okulungele ukuxhumana kwedatha, ukudluliselwa kwesignali, kanye nezinhlelo zokusebenza ezidinga izici zomthamo ozinzile.
Izintambo ezifakwe i-XLPE: Ukusebenza okuphezulu okuphelele, okunconywayo kumanethiwekhi omgogodla wokudlulisa amandla, izindawo zokushisa okuphezulu, izimo ezinomswakama, kanye nezinhlelo zokusebenza zezimboni ezinezidingo zokuthembeka okuphezulu kakhulu.
Ezinhlelweni zobunjiniyela ezisebenzayo, ukukhethwa kwezinto zokushisa kufanele kucabangele izinga lokushisa lokusebenza, izimo zemvelo, imingcele kagesi, izidingo zemishini, kanye nesabelomali sezindleko. Ngokuthuthuka okuqhubekayo kwezobuchwepheshe kanye nokukhiqizwa okukhulu, isilinganiso sezindleko nokusebenza kwezintambo ze-XLPE siyaqhubeka nokuthuthuka, okuholela ekwandeni kobubanzi bezicelo zazo.
Mayelana NATHI
Njengomhlinzeki wezinto zekhebula ochwepheshe, i-ONE WORLD isungule imigqa yokukhiqiza ephelele yama-PE, XLPE, kanye nama-PVC insulation compounds, asekelwa yimishini yokuhlola ethuthukisiwe njenge-Melt Flow Rate Testers, i-Hot Set / Heat Elongation Testers, kanye ne-High-Voltage Breakdown Test Systems, enikeza isisekelo esiqinile sehadiwe sokuqinisekisa ikhwalithi yomkhiqizo.
Sisebenzise uhlelo lokuphatha ikhwalithi oluqinile, olusebenza ngokugcwele oluhlanganisa ukukhethwa kwezinto zokusetshenziswa, ukulawula ukukhiqizwa, kanye nokuhlolwa kokugcina komkhiqizo. Ngokusebenzisa izinhlelo zokondla eziqondile ze-gravimetric kanye nokuqapha okuku-inthanethi ngesikhathi sangempela, siqinisekisa ukuhambisana nokuqina kuzo zonke izinhlaka zokusebenza ezibalulekile. Yonke imikhiqizo ipakishwa kusetshenziswa ukupakishwa kwe-vacuum ye-aluminium-plastic engangeni umswakama ukuze kugcinwe ubuqotho bezinto ngesikhathi sokugcina nokuthuthwa.
Izinto zethu zokuvikela zihambisana ngokuqinile ne-GB/T 15065 kanye nezinye izindinganiso zikazwelonke ezifanele. Sizibophezele ekuletheni izixazululo zezinto zekhebula ezithembekile, eziphephile, nezisebenza kahle kakhulu zokudlulisa amandla, ukukhiqizwa kwamandla avuselelekayo, ubunjiniyela bokuxhumana, kanye nohlu olubanzi lwezicelo zezimboni.
Isikhathi sokuthunyelwe: Jan-30-2026