Uea pale ahie nānā i nā kaula i hiki ke mālama i ka hana palekana no kekahi manawa ma lalo o ke ʻano o ka lapalapa ahi.ʻO ke kūlana aupuni GB12666.6 o koʻu ʻāina (e like me IEC331) e hoʻokaʻawale i ka hoʻāʻo ʻana i ke ahi i ʻelua mau māka, ʻo A a me B. ʻO ka mahana wela o ka papa A he 950 ~ 1000 ℃, a ʻo ka manawa hoʻolako ahi mau ʻo 90min.ʻO ka mahana wela o ka papa B he 750 ~ 800 ℃, a ʻo ka manawa hoʻomau o ke ahi he 90 mau minuke.min, i loko o ka manawa hoʻāʻo holoʻokoʻa, pono ka laʻana e kū i ke kumukūʻai voltage helu i kuhikuhi ʻia e ka huahana.
Hoʻohana nui ʻia nā kaula pale ahi i nā hale kiʻekiʻe, nā ala kaʻa ma lalo o ka honua, nā alanui ma lalo o ka honua, nā hale mana nui, nā ʻoihana koʻikoʻi a me nā ʻoihana mining a me nā wahi ʻē aʻe e pili ana i ka palekana ahi a me ke ahi a me ka hoʻopakele ola, e like me nā laina mana a me nā laina mana. o nā keʻena pilikia e like me nā lako hana ahi a me nā kukui alakaʻi pilikia.
I kēia manawa, hoʻohana ka hapa nui o nā uea a me nā uwea pale ahi ma ka home a me nā ʻāina ʻē i nā uwea i hoʻopaʻa ʻia me ka magnesium oxide mineral insulated a me nā uwea pale ahi i hoʻopaʻa ʻia i ka mica tape;i waena o lākou, ua hōʻike ʻia ke ʻano o ka magnesium oxide mineral insulated cable ma ke kiʻi.
ʻO ke kaula i hoʻopaʻa ʻia ʻo Magnesium oxide mineral insulated he ʻano o ke kelepona pale ahi me ka hana ʻoi aku ka maikaʻi.Hana ʻia ʻo ia me ke kumu keleawe, ka puʻu keleawe, a me ka mea hoʻokae magnesium oxide.Ua kapa ʻia ʻo MI (minerl insulated cables) no ka pōkole.ʻO ka ʻāpana pale ahi o ke kaula i haku ʻia me nā mea anorganic, ʻoiai ʻo ka papa refractory o nā kaula pale ahi maʻamau i haku ʻia me nā mea anorganic a me nā mea kūlohelohe maʻamau.No laila, ʻoi aku ka maikaʻi o ka hoʻokō ʻana i ke ahi o nā kaula MI ma mua o nā kaula ahi maʻamau a ʻaʻole ia e kumu i ka corrosion ma muli o ka puhi ʻana a me ka decomposition.kinoea.Loaʻa i nā uwea MI nā waiwai pale ahi maikaʻi a hiki ke hana ma kahi mahana kiʻekiʻe o 250 ° C no ka manawa lōʻihi.I ka manawa like, he pahū-hōʻike lākou, ke kūpaʻa corrosion ikaika, ka nui o ka lawe ʻana, ka pale ʻana i ka radiation, ka ikaika mechanical kiʻekiʻe, ka liʻiliʻi liʻiliʻi, ke kaumaha māmā, ka lōʻihi o ke ola, a me ka ʻike ʻole.Eia naʻe, pipiʻi ke kumukūʻai, paʻakikī ke kaʻina hana, a paʻakikī ke kūkulu ʻana.Ma nā wahi irrigation aila, nā hale ākea nui o ka lāʻau, nā wahi wela a me nā manawa ʻē aʻe me nā koi kūpaʻa ahi kiʻekiʻe a me ka hoʻokele waiwai ʻae ʻia, hiki ke hoʻohana ʻia kēia ʻano kelepona me ke kūpaʻa ahi maikaʻi, akā hiki ke hoʻohana wale ʻia no ke ahi uila haʻahaʻa. uwea.
ʻO ke kaula pale ahi i ʻōwili ʻia melipine mikae ʻeha pinepine ʻia me nā ʻāpana he nui o ka mica tape ma waho o ke alakaʻi e pale ai i ka lapalapa ʻana mai ka ʻā ʻana, a laila e hoʻolōʻihi i ka manawa hana palekana a mālama ʻia ka laina i wehe ʻia no kekahi manawa.
magnesium oxide
ʻO ka pauka amorphous keʻokeʻo.ʻAʻala ʻole, ʻono ʻole a ʻaʻohe mea ʻawaʻawa.Loaʻa iā ia ka ikaika kiʻekiʻe a me ka haʻahaʻa haʻahaʻa haʻahaʻa (kiʻekiʻe wela 2500 ℃, haʻahaʻa wela -270 ℃), corrosion resistance, insulation, maikaʻi thermal conductivity a me nā waiwai optical, colorless and transparent crystal, melting point 2852 ℃.ʻO Magnesium oxide he kiʻekiʻe ke ahi-kūʻai a me ka insulating waiwai, a he kiʻekiʻe hoʻoheheʻe wahi.Hoʻohana ʻia i ka hana ʻana o ka magnesium oxide mineral insulated fire-resistant cables.
Mika lipine
ʻO Mica kahi mea koleke inorganic flaky, kahi i hōʻike ʻia e ka insulation, kiʻekiʻe wela ke kūpaʻa, luster, kūpaʻa kino a me nā waiwai kemika, ka wela wela maikaʻi, elasticity, toughness a me ka non-combustibility, a ua kāʻili ʻia i loko o nā waiwai elastic o nā pā aniani.
Mika lipinehana ʻia me ka pauka mica flake i loko o ka pepa mica, i hoʻopili ʻia i ka lole fiber aniani me ka mea hoʻopili.
ʻO ka lole aniani i hoʻopaʻa ʻia ma kekahi ʻaoʻao o ka pepa mika ua kapa ʻia ʻo "kape ʻaoʻao hoʻokahi", a ʻo ka mea i hoʻopaʻa ʻia ma nā ʻaoʻao ʻelua i kapa ʻia ʻo "ʻaoʻao pālua".I ka wā o ka hana ʻana, hoʻopili ʻia kekahi mau papa hana, hoʻomaloʻo ʻia i ka umu, ʻoki ʻia, a ʻoki ʻia i loko o nā lipine like ʻole.
ʻO ka lipine mika, ʻike ʻia hoʻi ʻo ka lipine mika pale ahi, hana ʻia e (mīkini lipine mika).ʻO ia ke ʻano o ka mea hoʻolale ahi.E like me kona hoʻohana ʻana, hiki ke hoʻokaʻawale ʻia i: tape mica no nā kaʻa a me ka tape mika no nā kaula.Wahi a ka hale, ua māhele ʻia i: kāʻei ʻaoʻao ʻelua, kāʻei ʻaoʻao hoʻokahi, kāʻei ʻekolu-i-hoʻokahi, kāʻei pālua pālua, kāʻei kiʻi hoʻokahi, a me nā mea ʻē aʻe. lipine mika, lipine mika phlogopite, a me ka lipine muscovite.
(1) ʻO ka hana wela maʻamau: ʻoi aku ka maikaʻi o ka tape mica synthetic, a ukali ʻia e ka tape muscovite, a ʻilihune ka lipine phlogopite.
(2) ʻO ka hana insulation i ka wela kiʻekiʻe: ʻoi aku ka maikaʻi o ka tape mica synthetic, a ukali ʻia e ka tape mica phlogopite, a ʻilihune ka lipine muscovite.
(3) ʻO ka hana pale wela kiʻekiʻe: Synthetic mica tape, ʻaʻole i loko o ka wai aniani, wahi hoʻoheheʻe 1375 ° C, ʻoi aku ka maikaʻi o ke kūpaʻa wela kiʻekiʻe, hoʻokuʻu ka phlogopite i ka wai aniani ma luna o 800 ° C, ukali ʻia e ke kūpaʻa wela kiʻekiʻe, hoʻokuʻu ka muscovite i nā kristal ma 600 ° C Ka wai, maikaʻi ʻole ka wela wela.
ʻO ka lāʻau silicone refractory ceramic
Ma muli o nā palena o nā kūlana kaʻina hana, ʻo ke kaula pale ahi i ʻōwili ʻia me ka tape mica ke kumu pinepine i nā hemahema i nā hui.Ma hope o ka wehe ʻana, lilo ka mica tape i mea palupalu a maʻalahi hoʻi e hāʻule, e hopena i ka hopena maikaʻi ʻole i ke ahi.Insulation, maʻalahi ke hāʻule i ka wā e hoʻoluliluli ʻia, no laila paʻakikī ke hōʻoia i ka palekana a me ka maʻalahi o ka kamaʻilio lōʻihi a me ka mana i ke ahi.
Pono e hoʻokomo i nā mea hana kūikawā i hoʻokomo ʻia i ka mineral Magnesia insulated fire-resistant cable, pipiʻi loa ke kumukūʻai, a nui ka hoʻopukapuka kālā;Eia kekahi, ʻo ka pahu o waho o kēia kaula he keleawe a pau, no laila ke kumu kūʻai o kēia huahana ke kumu kūʻai nui o kēia huahana;hoʻohui ʻia kēia ʻano uea i nā koi kūikawā i ke kaʻina hana, ka hana ʻana, ka lawe ʻana, ka waiho ʻana i ka laina, ka hoʻokomo ʻana a me ka hoʻohana ʻana, a he paʻakikī ke hoʻolaha a hoʻohana ʻia ma kahi nui, ʻoi aku ma nā hale kīwila.
Ka manawa hoʻouna: Mar-16-2023