Cov xov hluav taws xob polyethylene insulated crosslinked yog siv dav hauv lub zog fais fab vim nws cov khoom zoo thermal thiab mechanical, cov khoom hluav taws xob zoo heev thiab cov tshuaj tiv thaiv corrosion. Nws kuj muaj qhov zoo ntawm cov qauv yooj yim, lub teeb yuag, kev tso tsis txwv los ntawm kev poob, thiab yog siv dav hauv cov hluav taws xob hauv nroog, cov chaw tsuas, cov chaw tsim tshuaj thiab lwm qhov chaw. Kev rwb thaiv tsev ntawm cov xov sivpolyethylene sib txuas ua ke, uas yog hloov pauv los ntawm cov polyethylene molecular linear mus rau hauv cov qauv network peb-seem, yog li txhim kho cov khoom siv kho tshuab ntawm polyethylene thaum tswj nws cov khoom siv hluav taws xob zoo heev. Cov hauv qab no qhia txog qhov sib txawv thiab qhov zoo ntawm cov cables polyethylene insulated thiab cov cables insulated ib txwm los ntawm ntau yam.
1. Qhov sib txawv ntawm cov khoom siv
(1) Kev tiv taus kub
Qhov ntsuas kub ntawm cov cables insulated feem ntau yog 70 ° C, thaum qhov ntsuas kub ntawm cov cables polyethylene insulated cross-linked tuaj yeem ncav cuag 90 ° C lossis siab dua, txhim kho qhov tiv taus cua sov ntawm cov cable, ua rau nws haum rau cov chaw ua haujlwm hnyav dua.
(2) Lub peev xwm nqa tau
Nyob rau hauv tib lub cheeb tsam hla tus neeg xyuas pib, lub peev xwm nqa tam sim no ntawm XLPE insulated cable yog siab dua li ntawm cov insulated cable ib txwm muaj, uas tuaj yeem ua tau raws li lub zog fais fab nrog cov kev xav tau tam sim no loj.
(3) Scope ntawm daim ntawv thov
Cov xov hluav taws xob uas siv tau rwb thaiv tsev feem ntau yuav tso cov pa luam yeeb HCl lom thaum hlawv, thiab tsis tuaj yeem siv rau hauv cov xwm txheej uas xav tau kev tiv thaiv hluav taws kub ib puag ncig thiab tsis muaj tshuaj lom. Cov xov hluav taws xob polyethylene uas txuas nrog rwb thaiv tsev tsis muaj halogen, zoo rau ib puag ncig, tsim nyog rau cov tes hauj lwm faib khoom, kev teeb tsa kev lag luam thiab lwm yam xwm txheej uas xav tau hluav taws xob loj, tshwj xeeb tshaj yog AC 50Hz, qhov ntsuas hluav taws xob 6kV ~ 35kV cov kab xa khoom thiab faib khoom.
(4) Kev ruaj khov ntawm tshuaj lom neeg
Cov polyethylene crosslinked muaj cov tshuaj tiv thaiv zoo thiab tuaj yeem tswj tau qhov ua tau zoo heev hauv ib puag ncig ntawm cov kua qaub, alkalis thiab lwm yam tshuaj lom neeg, uas ua rau nws tsim nyog siv rau hauv cov xwm txheej tshwj xeeb xws li cov nroj tsuag tshuaj thiab cov chaw nyob hauv dej hiav txwv.
2. Cov txiaj ntsig ntawm cov kab hluav taws xob polyethylene uas muaj kev sib txuas
(1) Kev tiv taus cua sov
Cov polyethylene uas txuas nrog yog hloov kho los ntawm kev siv tshuaj lom neeg lossis lub cev los hloov cov qauv molecular linear mus rau hauv cov qauv network peb-seem, uas ua rau cov khoom siv tiv taus cua sov zoo dua. Piv nrog rau cov rwb thaiv tsev polyethylene thiab polyvinyl chloride, cov xov hlau uas txuas nrog polyethylene ruaj khov dua hauv qhov chaw kub siab.
(2) Kub dua ua haujlwm
Tus neeg xyuas pib qhov kub thiab txias ua haujlwm tuaj yeem ncav cuag 90 ° C, uas siab dua li ntawm cov cables PVC lossis polyethylene insulated ib txwm muaj, yog li txhim kho qhov muaj peev xwm nqa tam sim no ntawm cable thiab kev nyab xeeb ua haujlwm mus sij hawm ntev.
(3) Cov khoom siv kho tshuab zoo heev
Cov kab hluav taws xob polyethylene insulated crosslinked tseem muaj cov khoom zoo thermo-mechanical ntawm qhov kub siab, kev ua haujlwm zoo dua qub thaum tshav kub kub, thiab tuaj yeem tswj tau qhov ruaj khov hauv qhov chaw kub siab rau lub sijhawm ntev.
(4) Lub teeb yuag, yooj yim installation
Qhov hnyav ntawm cov hlua polyethylene insulated cross-linked yog sib dua li cov hlua ib txwm muaj, thiab qhov kev tso tsis txwv los ntawm qhov poob. Nws yog qhov tshwj xeeb tshaj yog rau cov chaw tsim kho nyuaj thiab cov xwm txheej loj ntawm kev teeb tsa cable.
(5) Kev ua tau zoo dua ntawm ib puag ncig:
Cov hlua polyethylene insulated cross-linked tsis muaj halogen, tsis tso tawm cov pa phem thaum lub sijhawm hlawv, muaj kev cuam tshuam me ntsis rau ib puag ncig, thiab tshwj xeeb tshaj yog rau cov chaw uas muaj cov kev cai nruj rau kev tiv thaiv ib puag ncig.
3. Cov txiaj ntsig hauv kev teeb tsa thiab kev saib xyuas
(1) Kev ruaj khov dua
Cov xov hlau polyethylene uas txuas nrog muaj kev ua haujlwm tiv thaiv kev laus dua, tsim nyog rau kev faus ntev lossis raug rau ib puag ncig sab nraum zoov, txo qhov zaus ntawm kev hloov xov hlau.
(2) Kev ntseeg tau ntawm kev rwb thaiv tsev zoo
Cov khoom siv rwb thaiv tsev zoo heev ntawm cov polyethylene crosslinked, nrog rau kev tiv taus hluav taws xob siab thiab lub zog tawg, txo qhov kev pheej hmoo ntawm kev ua tsis tiav ntawm kev rwb thaiv tsev hauv cov ntawv thov hluav taws xob siab.
(3) Cov nqi kho qis dua
Vim yog qhov tsis kam tiv taus corrosion thiab kev laus tiv taus ntawm cov crosslinked polyethylene insulated cables, lawv lub neej ua haujlwm ntev dua, txo cov nqi txij nkawm txhua hnub thiab hloov pauv.
4. Cov txiaj ntsig ntawm kev txhawb nqa tshiab
Nyob rau hauv xyoo tas los no, nrog rau kev txhim kho ntawm cov khoom siv polyethylene crosslinked, nws cov kev ua tau zoo ntawm kev rwb thaiv tsev thiab cov khoom siv lub cev tau raug txhim kho ntxiv, xws li:
Cov nplaim hluav taws zoo dua, tuaj yeem ua tau raws li cov chaw tshwj xeeb (xws li subway, chaw nres tsheb fais fab) cov kev xav tau hluav taws;
Kev tiv thaiv txias zoo dua, tseem ruaj khov hauv qhov chaw txias heev;
Los ntawm cov txheej txheem crosslinking tshiab, cov txheej txheem tsim cov cable ua haujlwm tau zoo dua thiab zoo rau ib puag ncig.
Nrog nws cov kev ua tau zoo heev, cov xov hlau polyethylene insulated cross-linked nyob hauv txoj haujlwm tseem ceeb hauv kev xa hluav taws xob thiab faib hluav taws xob, muab kev xaiv zoo dua, txhim khu kev qha dua thiab zoo rau ib puag ncig rau cov hluav taws xob niaj hnub hauv nroog thiab kev txhim kho kev lag luam.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-27-2024