Ngwa nke tupu oxygenated filament na-abụghị kpara ákwà

Polyacrylonitrile Fiber Nonwoven tupu oxidized (nke akpọrọ PAN pre-oxidized fiber nonwoven) bụ akwa anaghị arụ ọrụ nke sitere na polyacrylonitrile (PAN) site na ntụgharị na ọgwụgwọ tupu oxidation. Ihe ndị dị n'ime ya gụnyere ezigbo nguzogide okpomọkụ, ire ọkụ, nguzogide corrosion na ụfọdụ ike ọrụ. Ọzọkwa, ọ naghị agbaze ma ọ bụ na-agbaze na oke okpomọkụ kama ọ na-eji nwayọọ nwayọọ na-agbaze carbon. Ya mere, a na-eji ya n'ọtụtụ ebe n'ọnọdụ dị oke elu chọrọ maka nchekwa na nguzogide ihu igwe. Ihe ndị a na-enye nkọwa zuru ezu site na ọtụtụ mpaghara ngwa, na-ekpuchi ọnọdụ ngwa, isi ọrụ, na ụdị ngwaahịa:

1. Nchekwa ọkụ na ogige nnapụta ihe mberede

Nchekwa ọkụ bụ otu n'ime ihe ngosi ngwa kachasị mkpa nke filament na-abụghị nke kpara akpa oxygen. Ngwongwo ya na-egbochi ọkụ na oke okpomọkụ nwere ike hụ na nchekwa nke ndị ọrụ ozugbo. Ụdị ngwa ngwa gụnyere:

oyi akwa dị n'ime / mkpuchi mkpuchi ọkụ nke uwe nchebe ọkụ

Ọkụ suut kwesịrị izute ma dual chọrọ nke "ire ọkụ retardancy" na "okpomọkụ mkpuchi" : elu oyi akwa na-emekarị na-eji ike ọkụ retardant akwa dị ka aramid, mgbe n'etiti okpomọkụ mkpuchi oyi akwa ọtụtụ employs tupu oxidized filament na-abụghị kpara ákwà. Ọ nwere ike idowe nkwụsi ike n'usoro n'ogo dị elu nke 200-300 ℃, na-egbochi ọkụ ọkụ na-enwu ọkụ nke ọma, ma gbochie akpụkpọ anụ ọkụ ọkụ. Ọbụlagodi mgbe ekpughere ya n'ọkụ mepere emepe, ọ gaghị agbaze ma ọ bụ na-agbaze (n'adịghị ka eriri kemịkal nkịtị), na-ebelata ohere nke mmerụ ahụ nke abụọ.

Mara:Enwere ike idozi njupụta elu nke filament na-abụghị nke a kpara akpa (na-abụkarị 30-100g / ㎡) dị ka ọkwa nchebe si dị. Ngwaahịa nwere njupụta elu dị elu nwere mmetụta mkpuchi okpomọkụ ka mma.

Ngwa mgbapụ mberede

➤ Mpempe mgbanarị ọkụ: ngwa mgbanyụ ọkụ maka ụlọ, nnukwu ụlọ ahịa, ụzọ ụgbọ oloko na ebe ndị ọzọ. A na-eme ya bụ filament na-ebu ụzọ oxygenated nke na-abụghị akwa akwa na eriri iko. Mgbe ekpughere ya na ọkụ, ọ na-etolite ngwa ngwa "ihe mgbochi na-ere ọkụ", na-ekpuchi ahụ mmadụ ma ọ bụ na-ekechi ihe ndị na-ere ọkụ iji kewapụ oxygen na imenyụ ọkụ.

➤ Ihe mkpuchi ihu ọkụ/na-eku ume: N'ime ọkụ, anwụrụ ọkụ nwere nnukwu gas na-egbu egbu. Enwere ike iji akwa filament na-abụghị kpara akpa oxygenation dị ka ihe ndabere maka oyi akwa nzacha anwụrụ ọkụ nke ihu. Ọdịdị na-eguzogide okpomọkụ dị elu nwere ike igbochi ihe nzacha na-adaba na okpomọkụ dị elu. Ejikọtara ya na oyi akwa carbon arụ ọrụ, ọ nwere ike yochaa ụfọdụ ụmụ irighiri ihe na-egbu egbu.

2. Ogige nchebe na-eguzogide okpomọkụ dị elu ụlọ ọrụ

N'ime ntọala ụlọ ọrụ mmepụta ihe, a na-ezutekarị oke gburugburu dị ka okpomọkụ dị elu, corrosion, na esemokwu igwe. The weather eguzogide nke tupu oxygenated filament na-abụghị kpara ákwà nwere ike dozie nsogbu nke mfe mmebi na obere ndụ nke omenala ihe (dị ka owu na nkịtị chemical emep uta eri).

➤Mkpuchi na nchekwa okpomọkụ maka pipeline na akụrụngwa okpomọkụ dị elu

Igwe ọkụ dị elu na kemịkalụ, metallurgical na ụlọ ọrụ ike (dị ka pipeline uzuoku na ọkụ ọkụ) chọrọ ihe mkpuchi dị n'èzí bụ ma "ọkụ na-ere ọkụ" na "ọkụ ọkụ". Pre-oxygenated filament na-abụghị kpara akwa nwere ike na-apụta ma ọ bụ aka uwe na kpọmkwem ọbọp gburugburu elu nke ọkpọkọ. Igwe ọkụ ọkụ ya dị ala (ihe dị ka 0.03-0.05W / (m · K)) nwere ike ibelata okpomọkụ ma gbochie oyi akwa mkpuchi ọkụ na okpomọkụ dị elu (obere nkume mkpuchi ajị anụ na-emekarị ka mmiri na-amịpụta mmiri ma na-emepụta ọtụtụ ájá, ebe filament na-abụghị nke a na-ekpuchi tupu ikuku oxygen na-adị ọkụ ma na-enweghị uzuzu).

Ihe nzacha ụlọ ọrụ (nyocha gas flue dị elu)

Igwe ọkụ na-ekpo ọkụ sitere na ụlọ ọkụ na-ekpofu ihe na igwe igwe igwe nwere ike iru 150-250 ℃, ọ nwekwara gas acidic (dị ka HCl, SO₂). Uwe nzacha nkịtị (dị ka polyester, polypropylene) na-adị mfe ime nro na corrosion. Pre-oxygenated filament na-abụghị kpara akwa nwere ike acid na alkali iguzogide na ike mee ka nzacha akpa ozugbo iyo elu-okpomọkụ flue gas. N'otu oge ahụ, ọ nwere ụfọdụ njigide nke uzuzu ma na-ejikọta ya na mkpuchi PTFE (polytetrafluoroethylene) iji kwalite nguzogide corrosion.

➤Mechanical echebe gasket

N'etiti mpụta mpụta na n'ime akụkụ nke elu okpomọkụ akụrụngwa dị ka engines na boilers, gasket ihe dị mkpa iji kewapụ vibrations na elu okpomọkụ. Pre-oxygenated filament na-abụghị kpara akwa nwere ike ime ka stampụ gaskets. Ya elu-okpomọkụ eguzogide (ogologo oge na-arụ ọrụ okpomọkụ ≤280 ℃) nwere ike igbochi gaskets si ịka nká na deforming n'oge ngwá ọrụ, na n'otu oge ahụ echekwa n'ibu esemokwu.

3. Eletrọnịkị na Ebe Ike Ọhụrụ

Ngwa eletrọnịkị na ike ọhụrụ nwere ihe siri ike chọrọ maka "ọkụ ọkụ" na "mkpuchi" nke ihe. Filament na-abụghị nke kpara akpa oxygen nwere ike dochie ụfọdụ ihe na-egbochi ire ọkụ (dị ka owu na-ere ọkụ na akwa eriri iko)

➤ Ihe nkesa ọkụ na-egbochi ọkụ / ihe mkpuchi mkpuchi maka batrị lithium

Batrị lithium (karịsịa batrị ike) na-enwekarị ike “gbapụ ọkụ” ma ọ bụrụ na chaja karịa ma ọ bụ obere okirikiri, yana ọnọdụ okpomọkụ na-ebili na mberede karịa 300 ℃. Pre-oxygenated filament na-abụghị kpara ákwà nwere ike iji dị ka a "nchekwa separator" maka lithium batrị, sandwiled n'etiti nti na-adịghị mma electrodes: o nwere ụfọdụ mkpuchi ihe Njirimara n'oge nkịtị ọrụ iji gbochie mkpụmkpụ sekit n'etiti nti na-adịghị mma electrodes. Mgbe ịgba ọsọ na-ekpo ọkụ na-eme, ọ naghị agbaze, nwere ike ịnọgide na-eguzosi ike n'ezi ihe, na-egbu oge mgbasa ọkụ, ma belata ihe ize ndụ nke ọkụ na mgbawa. Na mgbakwunye, ime nke mkpọ batrị na-ejikwa filament na-abụghị nke a kpara akpa oxygen dị ka ihe mkpuchi mkpuchi iji gbochie nnyefe okpomọkụ n'etiti cell batrị na casing.

➤ Ihe mkpuchi maka nkwakọ ihe akụrụngwa eletrọnịkị

Nkwakọ ngwaahịa eletrọnịkị dị ka bọọdụ sekit na ihe ngbanwe kwesịrị ka ọ bụrụ ihe mkpuchi na ihe na-egbochi ire ọkụ. Pre-oxygenated filament na-abụghị kpara akwa nwere ike ime ka mkpa (10-20g / ㎡) mkpuchi Ibé akwụkwọ na-arapara n'elu nke components. Okpomọkụ ya dị elu nwere ike ime mgbanwe na kpo oku mpaghara n'oge arụ ọrụ nke ngwá electronic (dị ka okpomọkụ na-arụ ọrụ nke a transformer ≤180 ℃), ma n'otu oge ahụ izute UL94 V-0 ire ọkụ ọkọlọtọ iji gbochie mkpụmkpụ sekit na ọkụ nke components.

4. Ala pụrụ iche ndị ọzọ

Na mgbakwunye na isi ihe ndapụta ndị a kpọtụrụ aha n'elu, akwa filament na-abụghị nke a kpara akpa oxygen na-arụkwa ọrụ na mpaghara ụfọdụ pụrụ iche na niche:

➤Aerospace: Ihe mejupụtara ihe mejupụtara na-eguzogide okpomọkụ dị elu

A na-achọ ihe ndị mejupụtara ihe mejupụtara nke dị arọ na nke dị elu maka akụkụ engine nke ụgbọ elu na usoro nchebe okpomọkụ nke ụgbọ elu. Pre-oxidized filament na-abụghị kpara akwa nwere ike iji dị ka a "preform", jikọtara ya na resins (dị ka phenolic resin) na-etolite ihe mejupụtara. Mgbe carbonization, ọ nwere ike n'ihu mere ka carbon eriri mejupụtara ihe, nke na-eji na elu-okpomọkụ na-eguzogide mmiri nke ugboelu (dị ka imi cones na nku na-eduga n'ọnụ) idi ozize nke elu-okpomọkụ gas aga n'elu 500 ℃.

➤ Nchekwa gburugburu: Ihe nzacha ihe na-ekpo ọkụ siri ike na-ekpo ọkụ

N'ime ọgwụgwọ nke oke okpomọkụ (nke dị ihe dị ka 200-300 ℃) mgbe ọkụ nke mkpofu ọgwụ na ihe mkpofu dị ize ndụ, achọrọ ihe nzacha iji kewapụ ihe fọdụrụ na gas. Filament na-abụghị nke a kpara akpa oxygenated nwere nguzogide corrosion siri ike ma nwee ike mee ya n'ime akpa nzacha iji yochaa ihe fọdụrụ na okpomọkụ, na-egbochi ihe nzacha ka ọ ghara imebi ya na-ada. N'otu oge ahụ, ihe onwunwe ya na-ere ọkụ na-egbochi ihe ndị na-ere ọkụ na ihe fọdụrụnụ ka ọ ghara ịgbanye ihe nzacha.

➤ Ngwa nchekwa: Ngwa maka suut ọrụ pụrụ iche

Na mgbakwunye na uwe mgba ọkụ, uwe ọrụ maka ọrụ pụrụ iche dị ka metallurgy, ịgbado ọkụ, na ụlọ ọrụ kemịkalụ na-ejikwa filament na-abụghị nke a kpara akpa oxygenated dị ka ihe mkpuchi na akụkụ ndị a na-eyi ngwa ngwa dị ka cuffs na necklines iji kwalite ire ọkụ mpaghara na iyi nguzogide, ma gbochie ọkụ ọkụ na-agbanye uwe n'oge arụ ọrụ.

N'ikpeazụ, ngwa kacha mkpa nketupu oxygenated filament na-abụghị kpara akwadabere na ịdabere na njirimara ya bụ isi nke "nkwụghachi ọkụ + ọkụ ọkụ" iji lebara ihe egwu nchekwa ma ọ bụ mmejọ arụmọrụ nke ihe ọdịnala na gburugburu ebe dị oke egwu. Site na mmelite nke ụkpụrụ nchekwa na ụlọ ọrụ dịka ike ọhụrụ na mmepụta ihe dị elu, ihe ngosi ngwa ya ga-agbasawanye n'ọhịa a nụchara anụcha na nke dị elu (dịka nchebe nke microelectronic components na mkpuchi nke ngwaọrụ nchekwa ike na-agbanwe agbanwe, wdg).