Kwishishini leephaneli ze-PCB (ibhodi yesekethe eprintiweyo), ukusetyenziswa kweeglavu ze-nitrile ezine-chlorine ephantsi yindlela ebalulekileyo yokuqinisekisa umgangatho wemveliso kunye nokhuseleko lwemveliso, enxulumene ngokusondeleyo nenkqubo yemveliso kunye neempawu zemveliso yeephaneli ze-PCB.
Okokuqala, iimfuno zokucoceka kweephaneli zePCB ziphezulu kakhulu ngexesha lenkqubo yemveliso. Naziphi na izinto ezincinci ezingcolisayo zinokuchaphazela ukusebenza kunye nomgangatho webhodi yesekethe. I-chlorine iyabola kakhulu. Ukuba umxholo we-chlorine kwiiglavu ze-nitrile eziqhelekileyo uphezulu, i-chlorine inokubola ngexesha lokusetyenziswa. Xa iiglavu zidibana nephaneli ye-PCB, i-chlorine evuthelweyo iya kusabela ngokweekhemikhali kwiisekethe zesinyithi, izinto, njl.njl. kwibhodi yesekethe, ibangele ukubola kwesinyithi kunye ne-oxidation, ngaloo ndlela ichaphazela ukuqhuba kwebhodi yesekethe, kwaye ibangele neengxaki ezinkulu ezifana nesekethe emfutshane kunye nesekethe evulekileyo, inciphise izinga lemveliso. Iiglavu ze-nitrile ze-chlorine ephantsi zilawula ngokungqongqo umxholo we-chlorine, zinciphisa kakhulu umngcipheko wokuna kwe-chlorine, kwaye zinokukhusela ngempumelelo iphaneli ye-PCB ekuboleni, ziqinisekise umgangatho wemveliso ozinzileyo nothembekileyo.
Okwesibini, inkqubo yokuvelisa iiphaneli ze-PCB iyinkimbinkimbi, ibandakanya iintlobo ngeentlobo zeekhemikhali kunye namanyathelo enkqubo. Kwinkqubo yokukrola, ukufakelwa kwe-electroplating kunye nezinye, kusetyenziswa inani elikhulu le-asidi, i-alkali kunye nezinye iikhemikhali. Iiglavu ezine-chloronitrile ephantsi zinokumelana okuhle nokugqwala kweekhemikhali kwaye zinokumelana nokukhukuliseka kwezi khemikhali ukukhusela ukhuseleko lwezandla zabaqhubi. Kwangaxeshanye, iiglavu aziyi kudumba okanye ziguquguquke ngenxa yokudibana neekhemikhali, okuqinisekisa ukuguquguquka nokuzinza kokusebenza, okuvumela abasebenzi ukuba bagqibezele ngokuchanekileyo imisebenzi eyahlukeneyo ebuthathaka kwaye baphucule ukusebenza kakuhle kwemveliso.
Ukongeza, njengoko iimveliso ze-elektroniki ziphuhlisa ukwenziwa zibe zincinci kwaye zichaneke kakhulu, iimfuno zomgangatho weephaneli ze-PCB ziya zisiba nzima ngakumbi. Ukusetyenziswa kweeglavu ezine-chloronitrile ephantsi kuhlangabezana neemfuno zoshishino zemveliso esemgangathweni ophezulu, kunceda iinkampani ukuphucula ukhuphiswano lwemveliso, kwaye kuhlangabezana neemfuno zabathengi beephaneli ze-PCB ezikumgangatho ophezulu. Kwangaxeshanye, ukusetyenziswa kweeglavu ezine-chloronitrile ephantsi kukwahlangabezana nemigangatho yokusingqongileyo nokhuseleko, kunciphisa iingozi zokusingqongileyo nokhuseleko ezibangelwa lungcoliseko lwe-chlorine, kwaye kubeka isiseko sophuhliso oluzinzileyo lwamashishini.
Ishishini leephaneli ze-PCB lisebenzisa iiglavu ezine-chloronitrile ephantsi ukujongana nemingeni eyahlukeneyo kwinkqubo yemveliso. Ukususela ekukhuseleni umgangatho wemveliso, ukuqinisekisa ukhuseleko lwemveliso, ukuphucula ukusebenza kakuhle kwemveliso ukuya ekuhlangabezaneni neemfuno zophuhliso lweshishini, iiglavu ezine-chloronitrile ephantsi zidlala indima ebalulekileyo.
Ixesha leposi: Juni-16-2025