1. Indlela yokuziqhumisa yengilazi epholile
I-insulator yengilazi iyingilazi epholile, ebonakala ngokucindezeleka okucindezelayo ebusweni nokucindezeleka okuqinile ngaphakathi, njengoba kuboniswe esithombeni.
I-Stress stratification yengilazi epholile
Ukucindezeleka kwengilazi kubangelwa ukushintsha kwezinga lokushisa ekucubunguleni ingilazi.Lapho ingilazi eshiselwe ezingeni lokushisa elithambile (760 ~ 780 ℃) iphola ngokushesha, amandla okucisha ongqimba olungaphezulu ayancipha, kodwa izinga lokushisa langaphakathi lisephezulu futhi lisesimweni sokunwebeka, okuholela ekuvinjweni kokuncipha. ungqimba olungaphezulu kanye nokucindezeleka okucindezelayo kungqimba olungaphezulu;Khona-ke izinga lokushisa langaphakathi liyehla futhi liqala ukuncipha, kodwa ngalesi sikhathi, ungqimba lwangaphezulu luye lwaba lukhuni, okuholela ekuvinjweni kwangaphakathi kokuncipha kanye nokucindezeleka okuqinile.Lezi zinhlobo ezimbili zokucindezeleka zisakazwa ngokufanayo engilazini kuze kube yilapho sezipholile ngokuphelele futhi izinga lokushisa liyanyamalala, okuwukucindezeleka okungapheli.
Lapho ibhalansi phakathi kokucindezeleka kwengcindezi ephakathi kanye nokucindezeleka okuqinile kwengilazi ye-insulator yengilazi ibhujiswa, imifantu izokwenzeka ngokushesha ngaphansi kwesenzo sokucindezeleka, okuzoholela ekuchotshozweni kwengilazi, okungukuthi, ukuziqhuma ngokwakho.
2. Izimbangela nezici zokuziqhumisa
Izimbangela ze-glass insulator self explosion zingahlukaniswa ngezigaba ezimbili: ikhwalithi yomkhiqizo kanye nemvelo yokusebenza yangaphandle.Ezimweni zangempela, kuvame ukuba nezizathu ezimbili ngesikhathi esisodwa.
a.Izizathu zekhwalithi yomkhiqizo
Isizathu esiyinhloko ukuthi kunezinhlayiya zokungcola ngaphakathi kwe-insulator yengilazi, futhi okuvame kakhulu yizinhlayiya ze-nis.Isimo soshintsho lwesigaba se-NIS kunqubo yokuncibilika kwengilazi kanye nokufakwa kwe-anneal asiphelele.Ngemuva kokuthi i-insulator isetshenziswe, kubhekwa ukuthi ukuguqulwa kwesigaba nokwandiswa kwenzeka kancane kancane, okuholela ekuqhekekeni engilazini.Uma ububanzi bokungcola kwezinhlayiyana bungaphansi kwenani elithile, angeke bususwe ukushaqeka okubandayo nokushisa, okuholela ekuziqhumeni okuphezulu kakhulu kwezinga le-insulators [ukuhlaziywa kokuqhuma okukodwa okuphakathi kwama-insulators engilazi ashisayo olayini wokudlulisa ongu-500kV i-Xie. Hongping].Uma izinhlayiya zokungcola zitholakala kungqimba lwangaphakathi lwengcindezi yengilazi, amathuba okuziqhumisa ayanda.Ngenxa yokuthi ingilazi ngokwayo iyimpahla ephukayo, ekwazi ukumelana nengcindezi kodwa ingaqinile, ukuphuka okuningi kwengilazi kubangelwa ukucindezeleka okuqinile.
isici:
Ukuziqhumisa okubangelwa izinhlayiya zokungcola kwangaphakathi kuphakeme eminyakeni emithathu ngaphambi kokusebenza, futhi kuzokwehla kancane kancane ngemva kwalokho, okuwumthetho obalulekile wokwahlulela imbangela yokuziqhumisa.
B) amathuba okuziqhumisa ezindaweni ezihlukene zentambo yesivikelo ayafana;
b.Izimbangela zangaphandle
Ikakhulukazi ukungcola kanye nokushintsha kwezinga lokushisa.Ngaphansi kwesenzo sasikhathi sinye sokunqwabelana kokungcola, umswakama kanye nenkundla kagesi, ukuvuza kwamanje endaweni yesivikelo kukhulu kakhulu, okuholela engxenyeni yebhande elomile.Uma ukuphuka komoya kwenzeka endaweni yebhande elomile, i-arc ekhiqiziwe izoguguleka isiketi sesambulela sengilazi, futhi lapho ukugqwala kujulile, kuzobangela ukuziqhuma.Uma isivikelo sishaywe umbani phakathi nenqubo engenhla, amathuba okuziqhuma kwesivikelo sengilazi esigugulwe yi-arc azokhula kakhulu.Ukungcolisa ngokweqile kuwukhiye, okungenzeka kube ngenxa yokuminyana kukasawoti omningi noma izinhlayiya eziningi zempushana zensimbi ekungcoleni.
isici:
A) kungenzeka ukuthi ukuziqhuma ngokwakho akubonakali eminyakeni embalwa yokuqala yokusebenza, kodwa kwenzeka kakhulu ngesikhathi esithile ngemva kweminyaka eminingana yokusebenza (ushintsho olukhulu emithonjeni yokungcola yendawo lubangela ukunqwabelana kokungcola ngokweqile);
B) amathuba okuziqhuma kwesiphetho se-voltage ephezulu kanye nesiphetho se-voltage ephansi yentambo yesivikeli makhulu kunalawo aphakathi nendawo (inkambu kagesi ekugcineni kwe-voltage ephezulu kanye nesiphetho se-voltage ephansi inamandla, futhi i-creepage yendawo iyenzeka okokuqala onyaweni lwensimbi lwe-insulator lapho ukungcola kusinda kakhulu);
C) umlenze wensimbi we-insulator engaqhumi kumbhoshongo ofanayo wonakalisiwe (i-arc yendawo ebangelwa ukunqwabelana kokungcola okudlulele kubangela ukulimala engilazini eduze komlenze wensimbi), futhi kunemifantu emihle endaweni yesambulela;
Ukulimala kwengilazi eduze nonyawo lwensimbi
3. Ukuhlaziywa kwesando esisele
Ngemuva kokuqhuma ngokwakho kwesivikelo sengilazi eshisayo, ingilazi yediski yesambulela iyaphuka futhi ihlakazeke yenze isando esalayo.Ukuma kwengilazi esando esisele kunganikeza usizo lokuhlaziya imbangela yokuziqhumisa.Umumo nohlobo lwengilazi yesando esalayo:
a.I-Radial
Ngokuziqhumisa ngokwakho okubangelwa isici esisodwa, indawo yokuqalisa ingatholwa ngokuhlehla ukusesha umfantu.Uma i-slag yengilazi ephukile esando esisele isesimweni somsakazo, indawo yayo yokuqala yokuqhekeka, okungukuthi, indawo yokuqala yokuziqhuma, itholakala ekhanda lesiqephu sengilazi.Kulokhu, ukuqhuma ngokwakho kubangelwa izinga lengilazi ngokwayo, njenge-batching, inqubo yokuchithwa, njll.
I-radial yesando esalayo
b.Inhlanzi i-scaly
Uma i-slag yengilazi ephukile esando esisele isesimweni sezikali zezinhlanzi, futhi indawo yokuqala yokuziqhumisa iseduze nengxenye yengilazi eduze kwesigqoko sensimbi, kunezimbangela ezimbili ezingenzeka zokuziqhumisa kulokhu, lokho okungukuthi, ingilazi iphukile ngenxa yokuziqhuma kokukhubazeka komkhiqizo noma amandla angaphandle, okungaba ukucindezeleka komshini noma ingcindezi kagesi, njengesiteleka senhlansi kagesi eqhubekayo, ukuphuka kwezingxenye zengilazi okubangelwa imvamisa yamandla ukuvuza okukhulu kwamanje nokungalingani. okwamanje, njll.
Isikali sezinhlanzi zesando esisele
c.Kuxutshiwe
Uma i-slag yengilazi ephukile esando esisele ikhona kukho kokubili isikali sezinhlanzi kanye nesimo esibonakalayo, indawo yokuqala yokuziqhuma itholakala kusiketi sesambulela sesiqephu sengilazi.Kulokhu, ukuqhuma ngokwakho kungase kubangelwe izici zangaphakathi nangaphandle.
Uhlobo oluxubile lwesando
4. Izinyathelo zokulwa
a.Ukulawulwa kokufinyelela: ikhwalithi yezivikeli zengilazi zokufinyelela ilawulwa ngokuhlolwa kwesampula komonakalo wemishini kanye nokusebenza komthelela wamagagasi.
b.Ama-insulators ahlanganisiwe asetshenziswa ezindaweni ezingcoliswe kakhulu.Uma kunqunywa ukuthi ukuziqhuma okuphakathi nendawo kubangelwa ukunqwabelana kokungcola ngokweqile, ama-insulators ayinhlanganisela angasetshenziswa ukufaka esikhundleni sezivikeli zengilazi.
c.Qinisa ukuhlolwa kokuqapha, futhi wenze ukugada okukhethekile entanjeni kagesi ngesikhathi ngemuva kwesimo sezulu esibi njengokushaywa kombani.
d.Naka ezokuthutha.Ngesikhathi sokwakhiwa kwengqalasizinda nokulungiswa kwezimo eziphuthumayo, isivikelo sengilazi esishisayo sizovikelwa ngezinto ezivikelayo ukugwema umonakalo.
Njengamanje, ukulawulwa kwekhwalithi ye-glass insulators kubakhiqizi abakhulu basekhaya kuhle, futhi akusadingeki ukusebenzisa ama-insulators engilazi okukhulunywe ngawo esikhathini esidlule ngemva kokuma isigamu sonyaka.
Isikhathi sokuthumela: Apr-02-2022