Hoʻohana nui ʻia ke kaula uila crosslinked polyethylene insulated i ka ʻōnaehana mana no ka maikaʻi o ka wela a me ka mechanical, nā waiwai uila maikaʻi loa a me ke kūpaʻa ʻana o ke kino. Loaʻa iā ia nā mea maikaʻi o ka hoʻolālā maʻalahi, ke kaumaha māmā, ʻaʻole i kaupalena ʻia ka waiho ʻana e ka hāʻule, a hoʻohana nui ʻia i nā kikowaena mana kūlanakauhale, nā mines, nā mea kanu kemika a me nā hiʻohiʻona ʻē aʻe. Hoʻohana ka insulation o ke kaulapolyethylene pili kea, ka mea i hoʻololi kemika mai ka linear molecular polyethylene i loko o ʻekolu-dimensional network structure, ma laila e hoʻomaikaʻi nui ai i nā waiwai mechanical o ka polyethylene me ka mālama ʻana i kāna mau waiwai uila maikaʻi loa. ʻO nā kikoʻī e pili ana i nā ʻokoʻa a me nā pōmaikaʻi ma waena o nā kaula i hoʻopaʻa ʻia polyethylene crosslinked a me nā kaula insulated maʻamau mai nā ʻano he nui.
1. ʻOkoʻa waiwai
(1) Kū'ē wela
ʻO ka helu wela o nā kaula i hoʻopaʻa ʻia maʻamau ʻo 70 ° C, ʻoiai ʻo ka helu wela o nā kaula polyethylene insulated cross-linked hiki ke piʻi i 90 ° C a i ʻole ke kiʻekiʻe, e hoʻomaikaʻi maikaʻi ana i ka pale wela o ke kaula, e kūpono ana i nā wahi hana ʻoi aku ka paʻakikī.
(2) Hiki ke halihali
Ma lalo o ka ʻāpana cross-sectional conductor hoʻokahi, ʻoi aku ka kiʻekiʻe o ka hiki ke lawe i kēia manawa o ka XLPE insulated cable ma mua o ke kaula insulated maʻamau, hiki ke hoʻokō i ka ʻōnaehana mana me nā koi nui o kēia manawa.
(3) Ka laulā o ka noi
E hoʻokuʻu nā uwea insulated maʻamau i ka uahi HCl ʻona ke puhi ʻia, a ʻaʻole hiki ke hoʻohana ʻia i nā hiʻohiʻona e koi ana i ka pale ʻana i ke ahi kaiapuni a me nā mea ʻona haʻahaʻa. ʻAʻole i loko o ke kaula polyethylene insulated cross-linked halogen, ʻoi aku ka maikaʻi o ke kaiapuni, kūpono no nā ʻoihana hoʻolaha, nā ʻoihana ʻenehana a me nā hiʻohiʻona ʻē aʻe e koi ana i ka uila mana nui, ʻoi aku ka AC 50Hz, helu ʻia ka volta 6kV ~ 35kV hoʻopaʻa ʻia ka hoʻouna ʻana a me nā laina hāʻawi.
(4) Paʻa kemika
Loaʻa i ka polyethylene crosslinked ke kūpaʻa kemika maikaʻi a hiki ke mālama i ka hana maikaʻi loa i ke kaiapuni o nā waikawa, alkalis a me nā mea kemika ʻē aʻe, ʻoi aku ka maikaʻi o ka hoʻohana ʻana i nā hiʻohiʻona kūikawā e like me nā mea kanu kemika a me nā kaiapuni moana.
2. ʻO nā pono o ka polyethylene insulated cable i hoʻopili ʻia
(1) Kūleʻa wela
Hoʻololi ʻia ka polyethylene crosslinked e ke kemika a i ʻole ke ʻano kino e hoʻohuli i ka molekala laina laina i loko o kahi ʻano pūnaewele ʻekolu-dimensional, kahi e hoʻomaikaʻi nui ai i ka pale wela o ka mea. Hoʻohālikelike ʻia me ka polyethylene maʻamau a me ka polyvinyl chloride insulation, ʻoi aku ka paʻa o nā kaula polyethylene crosslinked i nā wahi wela kiʻekiʻe.
(2) ʻOi aku ka wela hana kiʻekiʻe
Hiki ke piʻi ka mahana hana o ka mea alakaʻi i ka 90 ° C, ʻoi aku ka kiʻekiʻe ma mua o ka PVC kuʻuna a i ʻole polyethylene insulated uwea, no laila e hoʻomaikaʻi nui ai i ka hiki ke lawe ʻana i kēia manawa a me ka palekana hana lōʻihi.
(3) ʻOi aku ka maikaʻi o nā waiwai mechanical
ʻO ka polyethylene insulated cable i hoʻopaʻa ʻia he mau waiwai thermo-mechanical maikaʻi ma ke kiʻekiʻe wela, ʻoi aku ka maikaʻi o ka hana ʻana o ka wela, a hiki ke mālama i ka paʻa mechanical i kahi kūlana wela kiʻekiʻe no ka manawa lōʻihi.
(4) Ke kaumaha māmā, hoʻokomo kūpono
ʻOi aku ka maʻalahi o ke kaumaha o ka polyethylene insulated cable ma mua o nā kaula maʻamau, ʻaʻole i kaupalena ʻia ka waiho ʻana e ka hāʻule. He kūpono ia no nā kaiapuni kūkulu paʻakikī a me nā hiʻohiʻona hoʻonohonoho uea nui.
(5) ʻOi aku ka maikaʻi o ka hana kaiapuni:
ʻAʻole i loko o ke kaula polyethylene insulated cross-linked halogen, ʻaʻole hoʻokuʻu i nā kinoea ʻawaʻawa i ka wā o ka puhi ʻana, ʻaʻohe hopena liʻiliʻi i ke kaiapuni, a kūpono loa i nā wahi me nā koi koʻikoʻi no ka mālama ʻana i ke kaiapuni.
3. Nā pōmaikaʻi i ka hoʻokomo a me ka mālama
(1) ʻOi aku ka lōʻihi
ʻO ke kaula i hoʻopaʻa ʻia i ka polyethylene crosslinked ʻoi aku ka kiʻekiʻe o ka hana anti-kahiko, kūpono no ka waiho ʻana i ka wā lōʻihi a i ʻole ka ʻike ʻana i ke kaiapuni o waho, e hōʻemi ana i ke alapine o ka hoʻololi ʻana i ke kaula.
(2) Ka hilinaʻi insulation ikaika
ʻO nā waiwai insulation maikaʻi loa o ka polyethylene crosslinked, me ke kūpaʻa uila kiʻekiʻe a me ka ikaika haʻihaʻi, e hoʻemi i ka hopena o ka hiki ʻole o ka insulation i nā noi uila kiʻekiʻe.
(3) E emi iho na koina malama
Ma muli o ka pale ʻana i ka corrosion a me ke kūpaʻa kahiko o nā kaula polyethylene insulated crosslinked, ʻoi aku ka lōʻihi o ko lākou ola lawelawe, e hōʻemi ana i ka mālama ʻana i kēlā me kēia lā a me nā kumukūʻai pani.
4. Nā pōmaikaʻi o ke kākoʻo ʻenehana hou
I nā makahiki i hala iho nei, me ka hoʻomaikaʻi ʻana i ka ʻenehana material polyethylene crosslinked, ua hoʻomaikaʻi hou ʻia kāna hana insulation a me nā waiwai kino, e like me:
Hoʻonui i ka lapalapa ahi, hiki ke hoʻokō i nā wahi kūikawā (e like me ka subway, ka mana mana) e pono ai ke ahi;
Hoʻomaikaʻi i ka pale anu, kūpaʻa mau i ke anuanu loa;
Ma o ke kaʻina hana crosslinking hou, ʻoi aku ka maikaʻi o ke kaʻina hana kelepona a ʻoi aku ka maikaʻi o ke kaiapuni.
Me kāna hana maikaʻi loa, ua noho nā kaula polyethylene insulated cross-linked i kahi kūlana koʻikoʻi ma ke kahua o ka lawe ʻana a me ka hāʻawi ʻana i ka mana, e hāʻawi ana i kahi koho palekana, ʻoi aku ka hilinaʻi a me ke kaiapuni no nā grids mana kūlanakauhale hou a me ka hoʻomohala ʻoihana.
Ka manawa hoʻouna: Nov-27-2024