Ngesikhathi sokufakwa nokusetshenziswa kwekhebula, konakaliswa ukucindezeleka komshini, noma ikhebula lisetshenziswa isikhathi eside endaweni enomswakama namanzi, okuzokwenza ukuthi amanzi angaphandle angene kancane kancane kukhebula. Ngaphansi kwesenzo senkambu kagesi, amathuba okukhiqiza isihlahla samanzi endaweni yokufaka ikhebula azokwanda. Isihlahla samanzi esakhiwe nge-electrolysis sizoqhekeza isimboli, sinciphise ukusebenza kwekhebula kokufaka konke, futhi sithinte impilo yesevisi yekhebula. Ngakho-ke, ukusetshenziswa kwezintambo ezingenamanzi kubalulekile.
Ikhebula lingangeni manzi ngokuyinhloko licabangela ukugeleza kwamanzi eduze kwesikhombisi sekhebula kanye nesiqondiso se-radial sekhebula ngomugqa wekhebula. Ngakho-ke, i-radial waterproof and longitudinal water-blocking structure ingasetshenziswa.
1.Ikhebula elingangeni manzi
Inhloso eyinhloko yokuvimbela amanzi nge-radial ukuvimbela ukugeleza kwamanzi angaphandle okuzungezile kukhebula ngesikhathi sokusetshenziswa. Isakhiwo esingangeni manzi sinezinketho ezilandelayo.
1.1 I-polyethylene sheath ingangeni manzi
I-polyethylene sheath engangeni manzi isebenza kuphela ezidingweni ezijwayelekile zokuvikela amanzi. Kuzintambo ezicwiliswe emanzini isikhathi eside, ukusebenza okungangeni kwamanzi kwezintambo zamandla angangeni manzi ane-polyethylene sheathed kufanele kuthuthukiswe.
1.2 Metal sheath ingangeni manzi
Isakhiwo esingenamanzi esingenamanzi sezintambo ezine-voltage ephansi ezine-voltage elinganiselwe engu-0.6kV/1kV nangaphezulu ngokuvamile ibonakala ngongqimba olungaphandle oluyisivikelo nokugoqwa kwangaphakathi kobude bebhande eliyinhlanganisela ye-aluminium-plastic elinezinhlangothi ezimbili. Amakhebuli kagesi amaphakathi ane-voltage elinganiselwe engu-3.6kV/6kV nangaphezulu awangeni amanzi nge-radial ngaphansi kwesenzo esihlanganyelwe sebhande eliyinhlanganisela ye-aluminium-plastic kanye nepayipi lokumelana ne-semi-conductive. Amakhebuli kagesi aphezulu anamazinga kagesi aphezulu angangenwa amanzi ngemigoqo yensimbi njengamashethi omthofu noma amashethi e-aluminium kathayela.
I-comprehensive sheath waterproof isetshenziswa kakhulu kumsele wekhebula, ogqitshwe ngokuqondile emanzini angaphansi komhlaba nezinye izindawo.
2. Ikhebula lingangeni manzi mpo
Ukumelana kwamanzi isikhathi eside kungacatshangwa ukwenza i-cable conductor kanye ne-insulation ibe nomphumela wokumelana namanzi. Lapho ungqimba lwangaphandle oluvikelayo lwekhebula lonakaliswa ngenxa yamandla angaphandle, umswakama ozungezile noma umswakama uzongena uqonde eduze kwe-conductor yekhebula kanye nesiqondiso sokufakwa. Ukuze ugweme ukulimala komswakama noma umswakama kukhebula, singasebenzisa izindlela ezilandelayo ukuvikela ikhebula.
(1)Itheyiphu yokuvimbela amanzi
Indawo enwebekayo evimbela amanzi yengezwa phakathi kwenkambo yentambo evalekile kanye nomugqa oyinhlanganisela we-aluminium-plastic. Itheyiphu yokuvinjwa kwamanzi isongwe enkabeni yentambo evalekile noma umgogodla wekhebula, futhi izinga lokugoqa nokuvala lingama-25%. Itheyiphu yokuvimbela Amanzi iyakhula lapho ihlangana namanzi, okwandisa ukucinana phakathi kwetheyiphu yokuvimba Amanzi kanye neshevu yekhebula, ukuze kuzuzwe umphumela wokuvimba amanzi.
(2)Itheyiphu yokuvimbela amanzi e-semi-conductive
I-Semi-conductive water blocking tape isetshenziswa kakhulu kukhebula le-voltage ephakathi, ngokugoqa i-Semi-conductive water blocking tape ezungeze ungqimba lokuvikela insimbi, ukufeza inhloso yokumelana namanzi we-longitudinal wekhebula. Nakuba umphumela wokuvinjwa kwamanzi wekhebula uthuthukisiwe, ububanzi bangaphandle bekhebula buyanda ngemva kokuba ikhebula ligoqwe ethayithini lokuvimbela amanzi.
(3)Ukugcwaliswa kokuvinjwa kwamanzi
Izinto zokugcwalisa ukuvimbela amanzi ngokuvamileintambo yokuvimbela amanzi(intambo) kanye nempushana evimba amanzi. Impushana evimba amanzi isetshenziswa kakhulu ukuvimba amanzi phakathi kwama-conductor cores asontekile. Lapho i-powder yokuvimbela amanzi inzima ukunamathisela ku-conductor monofilament, i-adhesive yamanzi enhle ingasetshenziswa ngaphandle kwe-conductor monofilament, futhi i-powder yokuvimbela amanzi ingafakwa ngaphandle komqhubi. Intambo evimbela amanzi (intambo) ivame ukusetshenziselwa ukugcwalisa izikhala phakathi kwezintambo ezintathu-core zokucindezela okuphakathi.
3 Isakhiwo esijwayelekile sokumelana namanzi ekhebula
Ngokusho kwemvelo ehlukene yokusetshenziswa kanye nezidingo, isakhiwo sokumelana namanzi ekhebula sihlanganisa isakhiwo esingangeni manzi e-radial, i-longitudinal (kuhlanganise ne-radial) isakhiwo sokumelana namanzi kanye nesakhiwo sokumelana namanzi nxazonke. Isakhiwo sokuvimbela amanzi sekhebula le-voltage eliphakathi kwezintathu lithathwa njengesibonelo.
3.1 Isakhiwo esingangeni manzi se-radial yekhebula le-voltage emaphakathi emithathu
I-radial engangeni manzi yekhebula lamandla kagesi aphakathi nendawo ngokuvamile isebenzisa itheyiphu yokuvimbela amanzi e-Semi-conductive kanye nethayiphu ye-aluminium enamacala amabili epulasitiki ukuze kuzuzwe umsebenzi wokumelana namanzi. Isakhiwo sayo esijwayelekile yilesi: umqhubi, ungqimba wokuvikela umqhubi, ukufakwa, ungqimba oluvikelayo, ungqimba oluvikela insimbi (itheyiphu yethusi noma ucingo lwethusi), ukugcwaliswa okujwayelekile, itheyiphu yokuvimbela amanzi e-semi-conductive, iphakethe le-aluminium enamaceleni eliphindwe kabili elihlanganiswe ne-aluminium, isikhwama sangaphandle. .
3.2 Isakhiwo sokumelana namanzi se-Three-core medium medium longitudinal ukumelana namanzi
Ikhebula le-voltage eliphakathi nendawo eliphakathi nendawo lisebenzisa i-semi-conductive tape yokuvimbela amanzi kanye nethayiphu ye-aluminium enamacala amabili epulasitiki ukuze kuzuzwe umsebenzi wokumelana namanzi. Ngaphezu kwalokho, intambo yokuvimba amanzi isetshenziselwa ukugcwalisa igebe phakathi kwezintambo ezintathu ezibalulekile. Isakhiwo sayo esijwayelekile yilesi: umqhubi, ungqimba ovikela umqhubi, ukufakwa kwe-insulation, ungqimba oluvikelayo lwe-insulation, itheyiphu yokuvimbela amanzi e-semi-conductive, ungqimba oluvikela insimbi (itheyiphu yethusi noma ucingo lwethusi), ukugcwaliswa kwezintambo ezivimbe amanzi, itheyiphu yokuvimbela amanzi e-semi-conductive, umgodla wangaphandle.
3.3 Ikhebula lamandla kagesi aphakathi nendawo elinezisekelo ezintathu okuyindingilizi yokumelana namanzi
Isakhiwo sokuvimbela amanzi esiyindilinga sekhebula sidinga ukuthi umqhubi aphinde abe nomthelela wokuvinjwa kwamanzi, futhi kuhlanganiswe nezidingo zokuvinjwa kwamanzi e-radial kanye ne-longitudinal, ukuze kuzuzwe ukuvinjwa kwamanzi okuyindilinga. Isakhiwo sawo esijwayelekile yilesi: umqhubi ovimba amanzi, ungqimba ovikela umqhubi, ukufakwa ngaphakathi, ungqimba oluvikela ukufakwa kwamanzi, itheyiphu yokuvimbela amanzi e-semi-conductive, ungqimba oluvikela insimbi (itheyiphu yethusi noma ucingo lwethusi), ukugcwaliswa kwezintambo ezivimba amanzi, itheyiphu yokuvimbela amanzi e-semi-conductive. , iphakethe le-aluminum tape ye-aluminium enamacala amabili enamacala amabili, umgodla wangaphandle.
Ikhebula lokuvimba amanzi elinezimo ezintathu lingathuthukiswa libe yizinhlaka ezintathu zekhebula eliwumgogodla owodwa wokuvimbela amanzi (elifana nesakhiwo sekhebula le-aerial insulated lesithathu-core). Okusho ukuthi, inkaba yekhebula ngayinye iqala ukukhiqizwa ngokwesakhiwo sekhebula eliwumgogodla owodwa wokuvimbela amanzi, bese kuthi izintambo ezintathu ezihlukene zisonte ngekhebula ukuze kuthathelwe indawo ikhebula lokuvimba amanzi elinezimo ezintathu. Ngale ndlela, hhayi nje ukuthuthukisa ukumelana kwamanzi kwekhebula, kodwa futhi kunikeze lula ukucubungula ikhebula nokufakwa kamuva nokubeka.
4.Izinyathelo zokuphepha zokwenza izixhumi zekhebula ezivimba amanzi
(1) Khetha impahla ehlanganyelwe efanele ngokuya ngemininingwane namamodeli ekhebula ukuze uqinisekise ikhwalithi yokuhlanganisa ikhebula.
(2) Ungakhethi izinsuku zemvula lapho wenza amajoyinti ekhebula avimba amanzi. Lokhu kungenxa yokuthi amanzi ekhebula azothinta kakhulu impilo yesevisi yekhebula, futhi ngisho nezingozi zesekethe ezifushane zizokwenzeka ezimeni ezibucayi.
(3) Ngaphambi kokwenza izintambo ezingangeni emanzini, funda ngokucophelela imiyalelo yomkhiqizo womkhiqizi.
(4) Uma ucindezela ipayipi yethusi ekuhlanganyeleni, ayikwazi ukuba nzima kakhulu, inqobo nje uma icindezelwa endaweni. Ubuso bokuphela kwethusi ngemuva kokucwiliswa kufanele bufakwe phansi ngaphandle kwama-burrs.
(5) Uma usebenzisa i-blowtorch ukwenza intambo yokushisa ishwabane, naka i-blowtorch ehamba phambili naphambili, hhayi nje ohlangothini olulodwa oluhlala luvutha njalo.
(6) Ubukhulu be-cold shrink cable joint kufanele kwenziwe ngokuhambisana ngokuqinile nemiyalelo yokudweba, ikakhulukazi lapho ukhipha isisekelo epayipini eligodliwe, kufanele kuqaphele.
(7) Uma kunesidingo, isivalo singasetshenziswa ezindaweni zokuhlanganisa ikhebula ukuze kuvalwe futhi kuthuthukiswe ikhono lokungangeni kwamanzi lekhebula.
Isikhathi sokuthumela: Aug-28-2024