ʻO ka hoʻohana ʻana i ka filament pre-oxygenated non-woven fabric

ʻO Pre-oxidized Polyacrylonitrile Fiber Nonwoven (i hoʻopau ʻia ʻo PAN pre-oxidized fiber nonwoven) he lole i ulana ʻole ʻia i hana ʻia mai ka polyacrylonitrile (PAN) ma o ka wili a me ka lāʻau pre-oxidation. ʻO kāna mau hiʻohiʻona koʻikoʻi e pili ana i ke kūpaʻa kiʻekiʻe kiʻekiʻe, ka pale ahi, ka pale ʻana i ka corrosion a me kekahi ikaika mechanical. Eia kekahi, ʻaʻole ia e hoʻoheheʻe a kulu paha i nā wela kiʻekiʻe akā ua lohi mālie wale nō. No laila, hoʻohana nui ʻia i nā hiʻohiʻona me nā koi kiʻekiʻe loa no ka palekana a me ke kū ʻana i ka wā. Hāʻawi kēia i ka wehewehe kikoʻī mai nā kahua noi nui, e uhi ana i nā hiʻohiʻona noiʻi, nā hana koʻikoʻi, a me nā ʻano huahana:

1. Pale ahi a me ke kahua hoʻopakele pilikia

ʻO ka pale ahi kekahi o nā hiʻohiʻona noi nui loa o ka lole i ulana ʻole ʻia i ka filament pre-oxygenated. ʻO kāna mau mea pale ahi a me ka wela wela hiki ke hōʻoia pololei i ka palekana o nā limahana. Aia nā palapala noi nui:

ʻO ka ʻaʻahu pale ahi

Pono nā lole ahi e hoʻokō i nā koi ʻelua o ka "flame retardancy" a me ka "heat insulation" : hoʻohana maʻamau ka ʻaoʻao o waho i nā lole pale ahi ikaika kiʻekiʻe e like me ka aramid, aʻo ka papa wela wela waena e hoʻohana nui i ka filament non-woven fabric pre-oxidized. Hiki iā ia ke hoʻomau i ka paʻa o ka hoʻolālā ʻana i nā mahana kiʻekiʻe o 200-300 ℃, hoʻopaʻa maikaʻi i ka wela a me ka wela o ke ahi, a pale i ka ʻili o nā mea ahi. ʻOiai ke ʻike ʻia i ka lapalapa ahi, ʻaʻole ia e hoʻoheheʻe a kulu paha (ʻaʻole e like me nā fiber kemikal maʻamau), e hōʻemi ana i ka hopena o nā ʻeha lua.

Nānā:Hiki ke hoʻololi ʻia ka ʻili o ka filament pre-oxidized non-woven fabric (maʻamau 30-100g/㎡) e like me ka pae pale. ʻOi aku ka maikaʻi o nā huahana me ka ʻili o ka ʻili.

Nā lako hoʻopakele ulia pōpilikia

➤ ʻO ka pale pale ahi: ʻO nā lako hana ahi no nā hale, nā hale kūʻai kūʻai, nā alaloa a me nā wahi ʻē aʻe. Hana ʻia ia me ka filament pre-oxygenated non-woven fabric a me ke aniani fiber. Ke ʻike ʻia i ke ahi, hana koke ʻo ia i kahi "pale pale ahi", e uhi ana i ke kino o ke kanaka a i ʻole ka ʻōwili ʻana i nā mea hiki ke hoʻokaʻawale i ka oxygen a hoʻopau i ke ahi.

➤Maka pale ahi / pale maka hanu: I loko o ke ahi, aia ka nui o nā kinoea ʻona i ka uahi. Hiki ke hoʻohana ʻia ka lole non-woven pre-oxygenated filament ma ke ʻano he kumu kumu no ka papa kānana uahi o ka pale maka. Hiki ke pale i ka mea kānana mai ka hāʻule ʻana i nā wela kiʻekiʻe. Hoʻohui ʻia me ka papa kalapona i hoʻāla ʻia, hiki iā ia ke kānana i kekahi mau mea ʻawaʻawa.

2. kahua pale pale pale wela kiʻekiʻe

I loko o nā ʻōnaehana ʻoihana, ʻike pinepine ʻia nā kaiapuni koʻikoʻi e like me ke kiʻekiʻe o ka wela, ka ʻino, a me ka friction mechanical. Hiki ke hoʻoponopono i nā pilikia o ka pōʻino maʻalahi a me ke ola pōkole o nā mea kahiko (e like me ka pulupulu a me nā fibers kemika maʻamau).

➤Insulation a me ka mālama wela no nā pipeline kiʻekiʻe-mehana a me nā mea hana

ʻO nā paipu wela kiʻekiʻe ma ka ʻoihana kemika, metallurgical a me ka mana (e like me nā pipelines a me nā kiln flues) e koi i nā mea hoʻokaʻawale i waho he "flame-retardant" a me ka "heat-insulating". Hiki ke hana ʻia ka lole non-woven pre-oxygenated filament i ʻōwili a i ʻole lima lima a ʻōwili pololei ʻia a puni ka ʻili o nā paipu. ʻO kona haʻahaʻa haʻahaʻa thermal conductivity (e pili ana i 0.03-0.05W / (m · K)) hiki ke hōʻemi i ka nalowale o ka wela a pale i ka ʻāʻī ʻana o ka papa insulation i nā wela kiʻekiʻe (ʻoi aku ka maʻalahi o nā papa huluhulu pōhaku kuʻuna i ka hoʻoheheʻe ʻana a hoʻohua i ka lepo he nui, ʻoiai ʻoi aku ka māmā o ka filament non-woven i mua o ka oxygen).

Nā mea kānana ʻoihana (hoʻoheheʻe kinoea hoʻomehana wela kiʻekiʻe)

Hiki ke piʻi i ka 150-250 ℃ ka wela o ke kinoea mai nā mea kanu ʻōpala a me nā wili kila, a loaʻa nā kinoea waikawa (e like me HCl, SO₂). ʻO nā lole kānana maʻamau (e like me ka polyester, polypropylene) hiki ke palupalu a ʻino. Pre-oxygenated filament non-woven lole i ikaika ka waika a me ka alkali kū'ē a hiki ke hana i loko o ka kānana 'eke e pono kānana kiʻekiʻe-mehana flue kinoea. I ka manawa like, loaʻa iā ia kahi pono o ka mālama ʻana i ka lepo a hoʻohui pinepine ʻia me ka uhi PTFE (polytetrafluoroethylene) e hoʻomaikaʻi i ke kūpaʻa corrosion.

➤Mechanical pale gasket

Ma waena o nā pūpū o waho a me nā mea i loko o nā mea wela kiʻekiʻe e like me nā mīkini a me nā paila, pono nā mea gasket e hoʻokaʻawale i nā haʻalulu a me nā wela kiʻekiʻe. Hiki ke hana 'ia ka lole non-woven pre-oxygenated filament. ʻO kona kūpaʻa wela kiʻekiʻe (ka mahana hana lōʻihi ≤280 ℃) hiki ke pale i nā gaskets mai ka wā kahiko a me ka deforming i ka wā o ka hana ʻana o nā mea hana, a ma ka manawa like e pale ai i ka friction mechanical.

3. Nā Pāhana Uila a me nā ʻEhuka Hou

Loaʻa i nā huahana uila a me ka ikehu hou nā koi koʻikoʻi no ka "flame retardancy" a me ka "insulation" o nā mea. Hiki ke hoʻololi i ka lole non-woven pre-oxygenated filament i kekahi mau mea pale ahi kuʻuna (e like me ka pulupulu ahi a me ka lole fiber aniani)

➤Flame-retardant separator/heat insulation pad no nā pākahi lithium

Hiki i nā ʻaʻa lithium (ʻoi aku ka nui o nā pihi mana) i ka "holo wela" i ka wā e hoʻopiʻi nui ʻia a pōkole paha, me ka piʻi koke ʻana o ka mahana ma luna o 300 ℃. Hiki ke hoʻohana 'ia ka filament pre-oxygenated filament non-woven fabric ma ke 'ano he "safety separator" no nā pākahi lithium, sandwiled ma waena o nā electrodes maikaʻi a maikaʻi ʻole: loaʻa iā ia kekahi mau waiwai insulation i ka wā maʻamau e pale aku i nā pōkole pōkole ma waena o nā electrodes maikaʻi a maikaʻi ʻole. Ke holo ka wela, ʻaʻole ia e heheʻe, hiki ke mālama i ka pono o ke kūkulu ʻana, hoʻopaneʻe i ka laha wela, a hoʻemi i ka hopena o ke ahi a me ka pahū. Eia hou, ua hoʻohana pū ka loko o ka pahu pākaukau i ka filament pre-oxygenated filament non-woven ma ke ʻano he insulating pad e pale ai i ka hoʻololi ʻana i ka wela ma waena o nā pūnaewele pākahi a me ka pahu.

➤ ʻO nā mea hoʻonā no ka hoʻopili ʻana i nā mea uila

Pono e ho'opa'a 'ia ka pahu o nā mea uila e like me nā papa kaapuni a me nā mea ho'ololi. Hiki ke hana 'ia ka lole non-woven pre-oxygenated filament i mau pepa insulating lahilahi (10-20g/㎡) a pili i ka ili o na mea. Hiki ke hoʻololi i kona kūpaʻa wela kiʻekiʻe i ka hoʻomehana kūloko i ka wā o ka hana ʻana o nā mea uila (e like me ka mahana hana o kahi transformer ≤180 ℃), a i ka manawa like me ka UL94 V-0 flame retardant standard e pale i nā pōkole pōkole a me nā ahi o nā mea.

4. Nā kahua kūikawā ʻē aʻe

Ma waho aʻe o nā hiʻohiʻona koʻikoʻi i ʻōlelo ʻia ma luna nei, ʻo ka filament pre-oxygenated filament non-woven fabric kekahi hana ma kekahi mau kahua kūikawā a me nā niche:

➤Aerospace: Kiʻekiʻe-mehana kū'ē i composite mea substrates

Pono nā mea hoʻohui me ka māmā a me ke kiʻekiʻe no ka ʻenekini o nā mokulele a me nā ʻōnaehana pale wela o ka mokulele. Hiki ke ho'ohana 'ia ka filament non-woven fabric pre-oxidized ma ke 'ano he "preform", i hui pū me nā resins (e like me ka resin phenolic) e hana i nā mea hana. Ma hope o ka carbonization, hiki ke hana hou ʻia i loko o ka carbon fiber composite material, i hoʻohana ʻia i nā ʻāpana kūʻokoʻa kiʻekiʻe o ka mokulele (e like me nā cones ihu a me nā ʻēheu alakaʻi ʻēheu) e pale aku i ka hoʻoheheʻe ʻana o ke kahe hau wela ma luna o 500 ℃.

➤Polo kaiapuni: Kiʻekiʻe-mehana paʻa 'ōpala lapaʻau mea kānana

I ka mālama ʻana i nā koena wela kiʻekiʻe (me kahi mahana ma kahi o 200-300 ℃) ma hope o ka puhi ʻana i nā ʻōpala olakino a me nā ʻōpala pōʻino, pono nā mea kānana e hoʻokaʻawale i nā koena mai ke kinoea. ʻO ka filament pre-oxygenated non-woven fabric he ikaika ka corrosion resistance a hiki ke hana ʻia i loko o nā ʻeke kānana e kānana i nā koena wela kiʻekiʻe, e pale ana i ka mea kānana mai ka ʻino a me ka hāʻule. I ka manawa like, ʻo kāna waiwai pale ahi e pale aku i nā mea hiki ke ahi i ke koena mai ka hoʻā ʻana i ka mea kānana.

➤ Nā mea pale: Nā mea hana no nā lole hana kūikawā

Ma waho aʻe o nā lole pale ahi, hoʻohana nā lole hana no nā hana kūikawā e like me ka metallurgy, welding, a me nā ʻoihana kemika e hoʻohana i ka filament pre-oxygenated filament non-woven fabric e like me ka uhi ʻana i nā ʻāpana maʻalahi e like me nā cuffs a me nā necklines e hoʻonui ai i ke ahi a me ke kūpaʻa ʻana, a pale i nā huna ahi mai ka puhi ʻana i nā lole i ka wā o ka hana.

I ka hopena, ke kumu o ka noi olole i ulana ʻole ʻia ma mua o ke filamentaia i ka hilinaʻi ʻana i kāna mau hiʻohiʻona nui o ka "flame retardancy + high-temperature resistance" no ka hoʻoponopono ʻana i nā pōʻino palekana a i ʻole nā ​​hemahema hana o nā mea kuʻuna i nā kaiapuni koʻikoʻi. Me ka hoʻomaikaʻi ʻana i nā kūlana palekana i nā ʻoihana e like me ka ikehu hou a me ka hana kiʻekiʻe, e hoʻonui hou ʻia kāna mau hiʻohiʻona noi i nā māla i hoʻomaʻemaʻe ʻia a kiʻekiʻe-nui (e like me ka pale ʻana i nā ʻāpana microelectronic a me ka insulation o nā mea mālama mālama ikehu maʻalahi, etc.).