Imbere ya okiside Polyacrylonitrile Fibre Nonwoven (mu magambo ahinnye yiswe PAN pre-oxydeire fibre nonwoven) ni imyenda idakora idoze ikozwe muri polyacrylonitrile (PAN) binyuze mukuzunguruka no kuvura mbere ya okiside. Ibyingenzi byingenzi biranga ubushyuhe bwo hejuru cyane, kurwanya flame, kurwanya ruswa hamwe nimbaraga zimwe za mashini. Byongeye kandi, ntabwo ishonga cyangwa itonyanga mubushyuhe bwinshi ariko karubone gusa buhoro. Kubwibyo, irakoreshwa cyane mubihe bisabwa cyane cyane kubirinda umutekano no guhangana nikirere. Ibikurikira bitanga ibisobanuro birambuye bivuye mubice byinshi byingenzi bikoreshwa, bikubiyemo ibintu bisabwa, imikorere yibanze, hamwe nibicuruzwa:
1. Kurinda umuriro hamwe nubutabazi bwihutirwa
Kurinda umuriro nimwe mubintu byingenzi bikoreshwa muburyo bwa ogisijeni ya filament itabanje kuboha. Ikirimi cya flame-retardant hamwe nubushyuhe bwo hejuru burashobora kurinda umutekano wabakozi. Impapuro nyamukuru zisaba zirimo:
Imbere / ubushyuhe bwimyenda yimyenda ikingira umuriro
Imyenda yumuriro igomba kuba yujuje ibyifuzo byombi bya "flame retardancy" na "insulation insulation": urwego rwinyuma rusanzwe rukoresha imyenda ikomeye ya flame retardant nka aramid, mugihe urwego rwo hagati rwubushyuhe bwo hagati rukoresha cyane filament yabanjirije okiside. Irashobora kugumana ituze ryubushyuhe bwo hejuru ya 200-300 ℃, ikabuza neza ubushyuhe bwumuriro kandi butwara umuriro, kandi ikarinda uruhu rwabashinzwe kuzimya umuriro. Ndetse iyo ihuye numuriro ufunguye, ntishobora gushonga cyangwa gutonyanga (bitandukanye na fibre isanzwe ya chimique), bigabanya ibyago byo gukomeretsa kabiri.
Icyitonderwa:Ubucucike bwubuso bwimyenda yabanjirije okiside (imyenda 30-100g / ㎡) irashobora guhinduka ukurikije urwego rwo kurinda. Ibicuruzwa bifite ubucucike buri hejuru bifite ingaruka nziza zo kubika ubushyuhe.
Ibikoresho byo guhunga byihutirwa
Igikoresho cyo guhunga umuriro: Ibikoresho byihutirwa byo kuzimya umuriro kumazu, ahacururizwa, metro nahandi. Ikozwe mbere ya ogisijeni ya filament idoda idoze hamwe na fibre yikirahure. Iyo ihuye n'umuriro, ihita ikora "barrière flame-retardant barrière", igapfuka umubiri wumuntu cyangwa igapfunyika ibikoresho byaka kugirango bitandukanya ogisijeni kandi bizimya umuriro.
M Mask yumuriro / guhumeka mumaso: Mu muriro, umwotsi urimo imyuka myinshi yuburozi. Imyenda ya ogisijeni mbere yimyenda idakoreshwa irashobora gukoreshwa nkibikoresho fatizo byumwotsi wo gushungura umwotsi wa mask yo mumaso. Imiterere yacyo yubushyuhe bwo hejuru irashobora kubuza gushungura ibintu kunanirwa mubushyuhe bwinshi. Hamwe na karubone ikora, irashobora gushungura ibice bimwe byuburozi.
2. Inganda zo mu rwego rwo hejuru zirinda ubushyuhe
Mu nganda zinganda, ibidukikije bikabije nkubushyuhe bwo hejuru, ruswa, hamwe nubuvanganzo bukoreshwa. Kurwanya ikirere mbere ya ogisijeni ya filament idoda idoda irashobora gukemura ibibazo byangirika byoroshye hamwe nigihe gito cyibikoresho gakondo (nka pamba na fibre isanzwe).
➤Gukingira no kubika ubushyuhe kubushyuhe bwo hejuru hamwe nibikoresho
Imiyoboro yubushyuhe bwo hejuru mu nganda z’imiti, metallurgjiya n’ingufu (nkumuyoboro w’amazi hamwe n’amashyiga y’itanura) bisaba ibikoresho byo hanze byitwa “flame-retardant” na “insuline”. Imyenda ya ogisijeni mbere yimyenda idakozwe irashobora gukorwa mumuzingo cyangwa mu ntoki hanyuma igapfundikirwa neza hejuru yimiyoboro. Ubushyuhe buke bwacyo (hafi 0.03-0.05W / (m · K)) burashobora kugabanya gutakaza ubushyuhe kandi bikarinda urwego rwimisemburo gutwikwa nubushyuhe bwinshi (ibice gakondo byogosha ubwoya bwo mu rutare bikunda kwibasirwa nubushuhe kandi bikabyara umukungugu mwinshi, mugihe imyenda ya pre-ogisijeni mbere yimyenda idahwitse iba yoroshye kandi idafite umukungugu).
Ibikoresho byo kuyungurura inganda (ubushyuhe bwo hejuru bwa flue gaz filtration)
Ubushyuhe bwa gaz ya flue iva mu bimera byo gutwika imyanda no mu ruganda rukora ibyuma birashobora kugera kuri 150-250 and, kandi irimo imyuka ya aside (nka HCl, SO₂). Imyenda isanzwe yo kuyungurura (nka polyester, polypropilene) ikunda koroshya no kwangirika. Imyenda ya ogisijeni yabanje kuboha idafite aside ikomeye kandi irwanya alkali kandi irashobora gukorwa mumifuka yo kuyungurura kugirango uyungurure gazi yubushyuhe bwo hejuru. Muri icyo gihe, ifite uburyo bunoze bwo kugumana ivumbi kandi ikunze guhuzwa na PTFE (polytetrafluoroethylene) kugirango yongere imbaraga zo kurwanya ruswa.
GasIcyuma gikingira imashini
Hagati y'ibishishwa by'inyuma n'ibice by'imbere mu bikoresho by'ubushyuhe bwo hejuru nka moteri na boiler, ibikoresho bya gaze birakenewe kugira ngo bitandukane n'ubushyuhe bwinshi. Imyenda ibanziriza ogisijeni idoda idoda irashobora gukorwa mubitereko byashyizweho kashe. Kurwanya ubushyuhe bwo hejuru (ubushyuhe bwigihe kirekire bwo gukora ≤280 ℃) burashobora kubuza gasketi gusaza no guhinduka mugihe cyo gukora ibikoresho, kandi mugihe kimwe na buffer buffer.
3. Ibyuma bya elegitoroniki nimbaraga nshya
Ibicuruzwa bya elegitoroniki kandi bishya bifite ibyangombwa bisabwa kuri "flame retardancy" na "insulation" y'ibikoresho. Imyenda ibanziriza ogisijeni idoda idoda irashobora gusimbuza ibikoresho bimwe na bimwe bya retardant flame (nka flame retardant pamba nigitambara cya fibre fibre)
➤Umuriro-utandukanya / gutandukanya ubushyuhe bwa bateri ya lithium
Batteri ya Litiyumu (cyane cyane bateri yumuriro) ikunda "guhunga ubushyuhe" iyo ikabije cyangwa izengurutswe mugihe gito, hamwe nubushyuhe butunguranye hejuru ya 300 ℃. Imyenda ya ogisijeni yabanjirije imyenda idakoreshwa irashobora gukoreshwa nk "gutandukanya umutekano" kuri bateri ya lithium, igashyirwa hagati ya electrode nziza kandi mbi: ifite ibintu bimwe na bimwe byokwirinda mugihe gisanzwe kugirango ikumire imiyoboro migufi hagati ya electrode nziza kandi mbi. Iyo guhunga ubushyuhe bibaye, ntibishonga, birashobora kugumana ubusugire bwimiterere, gutinda gukwirakwiza ubushyuhe, no kugabanya ibyago byumuriro no guturika. Byongeye kandi, imbere yububiko bwa paki ya bateri ikoresha kandi filament yabanjirije okisijeni yimyenda idoda nkimashini ikingira kugirango ikumire ubushyuhe hagati ya selile na batiri.
Gukingura ibikoresho byo gupakira ibikoresho bya elegitoroniki
Gupakira ibikoresho bya elegitoronike nkibibaho byumuzunguruko hamwe na transformateur bigomba gukenerwa kandi bigakoresha umuriro. Imyenda ibanziriza ogisijeni idoda idoze irashobora gukorwa mumabati yoroheje (10-20g / ㎡) kandi ikomekwa hejuru yibigize. Kurwanya ubushyuhe bwayo burashobora guhuza nubushyuhe bwaho mugihe cyo gukora ibikoresho bya elegitoronike (nkubushyuhe bwakazi bwa transformateur ≤180 ℃), kandi mugihe kimwe cyujuje ubuziranenge bwa UL94 V-0 kugirango wirinde imiyoboro ngufi n’umuriro wibigize.
4. Indi mirima idasanzwe
Usibye ibintu byavuzwe haruguru byavuzwe haruguru, mbere ya ogisijeni ya filament idoda idoda nayo igira uruhare mubice bimwe byihariye kandi byiza:
Ikirere: Ubushyuhe bwo hejuru bwihanganira ibintu byinshi
Ibikoresho byoroheje nubushyuhe bwo hejuru birwanya ibikoresho birakenewe mubice bya moteri yindege hamwe na sisitemu yo gukingira ubushyuhe bwicyogajuru. Imyenda ibanziriza okiside yimyenda idashobora gukoreshwa nka "preform", ihujwe na resin (nka resin fenolike) kugirango ikore ibikoresho. Nyuma ya karubone, irashobora gukomeza gukorwa mubikoresho bya karubone fibre ikomatanya, ikoreshwa mubikoresho byo mu kirere birwanya ubushyuhe bwinshi (nk'izuru ry'izuru hamwe n'amababa ayobora amababa) kugira ngo bihangane n'isuri rya gaze y'ubushyuhe bwo hejuru hejuru ya 500 ℃.
Kurengera ibidukikije: Ubushyuhe bwo hejuru bwo gutunganya imyanda yo kuyungurura
Mu gutunganya ibisigazwa by'ubushyuhe bwo hejuru (hamwe n'ubushyuhe bugera kuri 200-300 ℃) nyuma yo gutwika imyanda yo kwa muganga n'imyanda ishobora guteza akaga, hakenewe ibikoresho byo kuyungurura kugira ngo bitandukane na gaze. Imyenda ibanziriza ogisijeni idoda idoda ifite imbaraga zo kurwanya ruswa kandi irashobora gukorwa mumifuka yo kuyungurura kugirango uyungurure ibisigazwa byubushyuhe bwo hejuru, birinda ibikoresho byo kuyungurura kwangirika no kunanirwa. Muri icyo gihe, umutungo wacyo wa flame-retardant urinda ibintu byaka umuriro mugisigara gutwika ibintu byungurura.
Equipment Ibikoresho birinda: Ibikoresho byo kwambara bidasanzwe
Usibye amakositimu yo kuzimya umuriro, imyenda y'akazi kubikorwa bidasanzwe nka metallurgie, gusudira, n'inganda zikora imiti nayo ikoresha imyenda ya ogisijeni mbere ya ogisijeni idoda idoda nk'umurongo ku bice byambarwa byoroshye nka cuffs na ijosi kugirango byongere umuriro muke no kwambara, kandi wirinde ibicanwa gutwika imyenda mugihe cyibikorwa.
Mu gusoza, gushyira mu bikorwa ingingo yambere ya ogisijeni ya filament idodaibeshya mu gushingira ku bintu nyamukuru biranga “flame retardancy + ubushyuhe bwo hejuru” kugira ngo ikemure ibibazo by’umutekano cyangwa imikorere mibi y’ibikoresho gakondo mu bidukikije bikabije. Hamwe nogutezimbere ibipimo byumutekano mu nganda nkingufu nshya ninganda zo mu rwego rwo hejuru, Ibikurikizwa bizarushaho kwaguka mubice bitunganijwe kandi byongerewe agaciro (nko kurinda ibice bya elegitoroniki no kubika ibikoresho bibika ingufu byoroshye, nibindi).
Igihe cyo kohereza: Nzeri-18-2025