Eminyakeni yamuva nje, isidingo sezinto zekhebula ezingenayo i-halogen (LSZH) esingenamusi omningi siye sanda ngenxa yezinzuzo zazo zokuphepha kanye nezemvelo. Enye yezinto ezibalulekile ezisetshenziswa kulezi zintambo yi-crosslinked polyethylene (XLPE).
1. KuyiniI-Polyethylene exhumene ne-Cross-linked (XLPE)?
I-polyethylene exhumene ne-cross-linked, evame ukufushaniswa ngokuthi i-XLPE, iyinto eyenziwe nge-polyethylene eshintshiwe ngokufakwa kwe-crosslinker. Le nqubo yokuxhumanisa ithuthukisa izakhiwo zokushisa, zemishini kanye nezamakhemikhali zale nto, okwenza ibe yindawo ekahle kakhulu yezinhlelo ezahlukahlukene. I-XLPE isetshenziswa kabanzi ezinhlelweni zokufaka amapayipi esevisi yokwakha, izinhlelo zokushisa nokupholisa ezisebenzisa imisebe ye-hydraulic, amapayipi amanzi asekhaya kanye nokufakwa kwekhebula elinamandla aphezulu.
2. Izinzuzo zokufakwa kwe-XLPE
Ukufakwa kwe-XLPE kunikeza izinzuzo eziningana ngaphezu kwezinto zendabuko ezifana ne-polyvinyl chloride (PVC).
Lezi zinzuzo zifaka:
Ukuqina kokushisa: I-XLPE ingamelana nokushisa okuphezulu ngaphandle kokuguquguquka ngakho-ke ifaneleka ukusetshenziswa kokucindezela okuphezulu.
Ukumelana namakhemikhali: Isakhiwo esixhumene sinokumelana okuhle kwamakhemikhali, okuqinisekisa ukuqina ezindaweni ezinzima.
Amandla omshini: I-XLPE inezakhiwo ezinhle kakhulu zomshini, okuhlanganisa ukumelana nokuguguleka kanye nokuqhekeka kokucindezeleka.
Ngakho-ke, izinto zekhebula ze-XLPE zivame ukusetshenziswa ekuxhumaneni kwangaphakathi kukagesi, ama-motor lead, ama-light lead, izintambo ze-high-voltage ngaphakathi kwezimoto ezintsha zamandla, imigqa yokulawula isignali ye-low-voltage, izintambo ze-locomotive, izintambo zesitimela esingaphansi komhlaba, izintambo zokuvikela imvelo zezimayini, izintambo zasemanzini, izintambo zokubeka amandla enuzi, izintambo ze-TV ze-high-voltage, izintambo ze-X-RAY ze-high-voltage kanye nezintambo zokudlulisa amandla.
Ubuchwepheshe bokuxhumanisa i-polyethylene
Ukuxhumanisa i-polyethylene kungafezwa ngezindlela ezahlukene, okuhlanganisa imisebe, i-peroxide kanye nokuxhumanisa i-silane. Indlela ngayinye inezinzuzo zayo futhi ingakhethwa ngokuya ngezidingo ezithile zokusetshenziswa. Izinga lokuxhumanisa lithinta kakhulu izakhiwo zezinto. Uma ubukhulu bokuxhumanisa buphakeme, kulapho izakhiwo zokushisa nezomshini ziba ngcono khona.
3. Yiziphii-halogen engenamusi ophansi (LSZH)izinto zokwakha?
Izinto ezingenayo i-halogen entuthu encane (LSZH) zenzelwe ukuthi izintambo ezivezwe emlilweni zikhiphe intuthu encane kakhulu lapho zisha futhi zingakhiqizi intuthu enobuthi ye-halogen. Lokhu kuzenza zifaneleke kakhulu ukusetshenziswa ezindaweni ezivalekile nasezindaweni ezinomoya ongemuhle, njengemigudu, amanethiwekhi ezitimela angaphansi komhlaba kanye nezakhiwo zomphakathi. Izintambo ze-LSZH zenziwe ngamakhemikhali e-thermoplastic noma e-thermoset futhi zikhiqiza amazinga aphansi kakhulu entuthu kanye nentuthu enobuthi, okuqinisekisa ukubonakala okungcono kanye nokunciphisa izingozi zempilo ngesikhathi somlilo.
4. Ukusetshenziswa kwezinto zekhebula ze-LSZH
Izinto zekhebula ze-LSZH zisetshenziswa ezinhlotsheni ezahlukene zokusebenza lapho ukukhathazeka ngokuphepha kanye nemvelo kubaluleke kakhulu.
Ezinye izinhlelo zokusebenza ezibalulekile zifaka:
Izinto zekhebula zezakhiwo zomphakathi: Izintambo ze-LSZH zivame ukusetshenziswa ezakhiweni zomphakathi njengezikhumulo zezindiza, iziteshi zesitimela kanye nezibhedlela ukuqinisekisa ukuphepha ngesikhathi somlilo.
Izintambo zokuthutha: Lezi zintambo zisetshenziswa ezimotweni, ezindizeni, ezimotweni zezitimela nasemikhumbini ukunciphisa ingozi yentuthu enobuthi uma kwenzeka umlilo.
Izintambo zenethiwekhi yesitimela esingaphansi komhlaba kanye neyomhubhe: Izintambo ze-LSZH zinezici eziphansi zomusi kanye nezingangeni i-halogen, okwenza zibe zilungele ukusetshenziswa kumanethiwekhi esitimela esingaphansi komhlaba kanye neyomhubhe.
Izintambo ze-Class B1: Izinto ze-LSZH zisetshenziswa ezintanjeni ze-Class B1, ezenzelwe ukuhlangabezana nezindinganiso zokuphepha emlilweni eziqinile futhi zisetshenziswa ezakhiweni ezinde nakwezinye ingqalasizinda ezibalulekile.
Intuthuko yakamuva kubuchwepheshe be-XLPE kanye ne-LSZH igxile ekuthuthukiseni ukusebenza kwezinto kanye nokwandisa ukusetshenziswa kwazo. Izinto ezintsha zifaka phakathi ukuthuthukiswa kwe-polyethylene exhumene kakhulu (i-XLHDPE), ekhulise ukumelana nokushisa kanye nokuqina.
Izinto ze-polyethylene (XLPE) eziguquguqukayo nezihlala isikhathi eside kanye nezinto zekhebula ze-low-smoke zero-halogen (LSZH) zisetshenziswa kabanzi ezimbonini ezahlukahlukene ngenxa yezakhiwo zazo ezinhle kakhulu zokushisa, amakhemikhali kanye nemishini. Ukusetshenziswa kwazo kuyaqhubeka nokukhula ngokuthuthuka okuqhubekayo kobuchwepheshe kanye nesidingo esikhulayo sezinto eziphephile nezinobungani nemvelo.
Njengoba isidingo sezinto zekhebula ezithembekile neziphephile siqhubeka nokukhula, i-XLPE kanye ne-LSZH kulindeleke ukuthi zidlale indima ebalulekile ekuhlangabezaneni nalezi zidingo.
Isikhathi sokuthunyelwe: Septhemba-24-2024