Kev thaiv dej yog ib qho tseem ceeb rau ntau daim ntawv thov cable, tshwj xeeb tshaj yog cov uas siv rau hauv qhov chaw nyuaj. Lub hom phiaj ntawm kev thaiv dej yog los tiv thaiv dej kom tsis txhob nkag mus rau hauv cable thiab ua rau cov xov hluav taws xob puas tsuaj sab hauv. Ib txoj hauv kev zoo tshaj plaws los ua kom tiav kev thaiv dej yog siv cov xov hlau thaiv dej hauv kev tsim cable.
Cov xov uas thaiv dej feem ntau yog ua los ntawm cov khoom siv hydrophilic uas o tuaj thaum nws kov dej. Qhov o no tsim ib qho thaiv uas tiv thaiv dej kom tsis txhob nkag mus rau hauv lub cable. Cov ntaub ntawv siv feem ntau yog polyethylene nthuav dav (EPE), polypropylene (PP), thiab sodium polyacrylate (SPA).
EPE yog ib hom polyethylene uas tsis hnyav heev, thiab nws nqus dej tau zoo heev. Thaum cov fibers EPE sib chwv nrog dej, lawv nqus dej thiab nthuav dav, ua rau lub foob dej nyob ib puag ncig cov xov hlau. Qhov no ua rau EPE yog ib yam khoom zoo heev rau cov xov hlau uas thaiv dej, vim nws muab kev tiv thaiv zoo tiv thaiv dej nkag.
PP yog lwm yam khoom siv uas feem ntau siv rau. PP fibers yog hydrophobic, uas txhais tau tias lawv tiv thaiv dej. Thaum siv rau hauv ib lub cable, PP fibers tsim ib qho thaiv uas tiv thaiv dej kom tsis txhob nkag mus rau hauv lub cable. PP fibers feem ntau yog siv ua ke nrog EPE fibers los muab ib txheej ntxiv ntawm kev tiv thaiv tiv thaiv dej nkag.
Sodium polyacrylate yog ib yam polymer uas nqus tau dej zoo heev uas feem ntau siv. Cov fibers Sodium polyacrylate muaj peev xwm nqus dej tau zoo, uas ua rau lawv yog ib qho khoom thaiv zoo tiv thaiv dej nkag. Cov fibers nqus dej thiab nthuav dav, tsim kom muaj lub foob dej nyob ib puag ncig cov xov hlau.
Feem ntau cov xov uas thaiv dej yuav raug muab tso rau hauv lub xov hlau thaum lub sijhawm tsim khoom. Feem ntau lawv raug ntxiv ua ib txheej nyob ib puag ncig cov xov hluav taws xob, nrog rau lwm yam khoom xws li kev rwb thaiv tsev thiab lub tsho tiv no. Cov khoom no raug muab tso rau hauv qhov chaw tseem ceeb hauv lub xov hlau, xws li ntawm qhov kawg ntawm lub xov hlau lossis hauv thaj chaw uas yooj yim rau dej nkag, kom muab qib siab tshaj plaws ntawm kev tiv thaiv kev puas tsuaj los ntawm dej.
Xaus lus, cov xov thaiv dej yog ib qho tseem ceeb hauv kev tsim cov xov hlau rau cov ntawv thov uas xav tau kev tiv thaiv dej nkag. Kev siv cov xov thaiv dej, ua los ntawm cov ntaub ntawv xws li EPE, PP, thiab sodium polyacrylate, tuaj yeem muab kev thaiv zoo tiv thaiv kev puas tsuaj los ntawm dej, ua kom ntseeg tau tias qhov kev ntseeg tau thiab lub neej ntev ntawm cov xov hlau.
Lub sijhawm tshaj tawm: Lub Peb Hlis-01-2023