Nyob rau hauv cov txheej txheem ntawm tib neeg kev lag luam kev vam meej, kev tiv thaiv cua sov thiab kev tua hluav taws yeej ib txwm yog cov teeb meem tseem ceeb hauv kev ua kom muaj kev nyab xeeb ntawm lub neej thiab khoom vaj khoom tsev. Nrog rau kev hloov pauv ntawm cov ntaub ntawv tshawb fawb, cov ntaub ntawv tseem ceeb ntawm cov ntaub tiv thaiv hluav taws tau maj mam hloov pauv los ntawm cov zaub mov ntuj thaum ntxov xws li asbestos mus rau cov fibers ua haujlwm siab. Ntawm ntau cov kev xaiv khoom siv, fiberglass, nrog nws qhov kev ruaj khov thermal zoo heev, lub zog kho tshuab, kev rwb thaiv hluav taws xob, thiab kev siv nyiaj ntau heev, tau tsim nws txoj haujlwm tseem ceeb ua cov ntaub ntawv tseem ceeb hauv kev lag luam ntaub tiv thaiv hluav taws thoob ntiaj teb.
Cov Khoom Siv Lub Cev thiab Tshuaj Lom Zem thiab Kev Tiv Thaiv Thermal ntawm Fiberglass
Silica Network thiab Atomic-Level Thermal Stability
Qhov kev ua tau zoo heev ntawm fiberglass tiv taus hluav taws yog los ntawm nws cov qauv atomic microscopic tshwj xeeb. Fiberglass feem ntau yog tsim los ntawm cov network txuas ntxiv tsis sib xws ntawm silicon-oxygen tetrahedra (SiO2). Cov bonds covalent hauv cov qauv network inorganic no muaj lub zog sib txuas siab heev, uas tso cai rau cov khoom siv los ua kom pom kev ruaj khov zoo hauv qhov chaw kub siab. Tsis zoo li cov organic fibers xws li paj rwb thiab polyester, fiberglass tsis muaj cov hydrocarbons ntev-flammable, yog li nws tsis dhau oxidative combustion thaum raug rau nplaim taws, thiab nws tsis tso tawm cov roj txhawb nqa combustion.
Raws li kev tshuaj xyuas thermodynamic, qhov taw tes mos ntawm cov qauv E-iav fiber yog nruab nrab ntawm 550 ° C thiab 580 ° C, thaum nws cov khoom siv kho tshuab tseem ruaj khov heev hauv qhov kub ntawm 200 ° C txog 250 ° C, yuav luag tsis muaj kev txo qis hauv lub zog tensile. Cov yam ntxwv no ua kom muaj kev ncaj ncees ntawm cov ntaub fiberglass hluav taws kub thaum ntxov ntawm hluav taws, ua haujlwm zoo li lub cev thaiv kom tiv thaiv kev kis hluav taws.
Kev Tiv Thaiv Kev Kub thiab Kev Ntxig Cua
Lub luag haujlwm tseem ceeb ntawm cov ntaub ntawv tiv taus hluav taws, ntxiv rau qhov tsis kub hnyiab, yog lawv tswj kev hloov pauv cua sov.Cov ntaub fiberglass uas tiv taus hluav tawsqhia txog kev ua haujlwm thermal conductivity qis heev, ib qho xwm txheej uas tuaj yeem piav qhia los ntawm ob qho tib si macroscopic material science thiab microscopic geometry spectroscopy.
1. Kev Tiv Thaiv Kub ntawm Cov Huab Cua Static: Qhov kev ua tau zoo ntawm cov iav feem ntau yog nruab nrab ntawm 0.7 thiab 1.3 W / (m * K), txawm li cas los xij, thaum ua rau hauv cov ntaub fiberglass, nws cov kev ua tau zoo ntawm thermal tuaj yeem txo qis mus txog 0.034 W / (m * K). Qhov kev txo qis tseem ceeb no feem ntau yog vim muaj ntau qhov me me ntawm cov qhov me me ntawm cov fibers. Hauv cov qauv sib xyaw ntawm cov ntaub tiv thaiv hluav taws, huab cua "raug kaw" hauv cov qhov sib txawv ntawm cov fiber. Vim yog qhov kev ua tau zoo ntawm cov cua tsis tshua muaj thiab tsis muaj peev xwm tsim cov cua sov hloov pauv zoo hauv cov chaw me me no, cov txheej cua no ua rau muaj kev tiv thaiv cua sov zoo heev.
2. Kev tsim cov txheej txheem tiv thaiv cua sov ntau theem: Los ntawm kev tsim cov qauv txheej txheem, kev hloov pauv cua sov los ntawm sab kub siab mus rau sab kub qis yuav tsum hla kaum tawm txhiab tus fiber interfaces. Txhua qhov kev sib cuag interface tsim cov cua sov tiv taus thiab ua rau muaj cov teebmeem phonon scattering, yog li ntawd ua rau lub zog thermal ploj mus. Rau cov iav fiber ntau hauv aerospace, cov qauv txheej txheem no kuj tseem tuaj yeem txo qhov "thermal bridge" effect hauv qhov tuab, txhim kho kev ua haujlwm rwb thaiv tsev thermal.
Cov Txheej Txheem Tsim Khoom thiab Kev Tshawb Fawb Txog Kev Ruaj Ntseg ntawm Cov Qauv
Kev ua tau zoo ntawm cov ntaub iav fiber tiv taus hluav taws tsis yog nyob ntawm nws cov tshuaj lom neeg xwb tab sis kuj nyob ntawm nws cov qauv weaving (Weave Style). Cov txheej txheem weaving sib txawv txiav txim siab qhov ruaj khov ntawm cov ntaub, kev ywj pheej, kev ua pa, thiab lub zog sib txuas nrog cov txheej.
1.Kev Ruaj Ntseg Zoo ntawm Plain Weave
Cov xov paj ntaub tiaj tiaj yog hom xov paj ntaub yooj yim tshaj plaws thiab siv dav tshaj plaws, qhov twg cov xov paj ntaub warp thiab weft sib tshuam ua ib qho qauv hla-thiab-hauv qab. Cov qauv no muaj cov ntsiab lus sib tshuam ntom tshaj plaws, ua rau cov ntaub tiv taus hluav taws kub ruaj khov zoo heev thiab cov xov paj tsis tshua muaj kev poob qis. Thaum tsim cov ntaub mesh tiv taus hluav taws thiab cov pam hluav taws yooj yim, cov qauv xov paj tiaj tiaj ua kom cov khoom siv tswj tau lub cev nruj thaum raug cua sov, tiv thaiv hluav taws nkag mus.
2.Kev Them Nyiaj Yooj Yim ntawm Twill thiab Satin Weaves
Rau cov ntawv thov tiv thaiv hluav taws uas xav tau kev npog cov duab geometric nyuaj (xws li cov kav dej, cov qhov dej, thiab cov turbines), qhov rigidity ntawm cov qauv weave tiaj tus ua rau muaj kev txwv. Hauv qhov no, twill lossis satin weaves qhia tau tias muaj kev sib haum xeeb zoo dua.
Twill ntaub:Los ntawm kev tsim cov kab pheeb ces kaum, qhov zaus ntawm kev sib txuas ntawm warp thiab weft raug txo qis, ua rau cov ntaub nto nruj dua thiab muab cov ntaub zoo dua.
Satin Weave:Xws li plaub-harness (4-H) lossis yim-harness (8-H) satin weave, uas muaj cov "floats" ntev dua. Cov qauv no tso cai rau kev ywj pheej ntawm kev txav mus los ntawm cov fibers thaum raug ncab lossis khoov, ua rau satin weave fiberglass ntaub yog qhov kev xaiv zoo tshaj plaws rau kev tsim cov khoom siv rwb thaiv tsev uas tshem tau qhov kub siab, qhov twg nws qhov haum nruj txo qhov poob zog.
Kev Tsim Kho Qhov Chaw: Txuas ntxiv kev ua tau zoo ntawm cov ntaub tiv taus hluav taws los ntawm kev siv tshuab txheej
Vim yog qhov tsis zoo ntawm cov fiberglass nyoos, xws li brittleness, tsis kam rau kev puas tsuaj, thiab qhov nyiam tsim cov hmoov av khaus, cov ntaub niaj hnub ua haujlwm siab tiv thaiv hluav taws feem ntau siv ntau yam txheej rau ntawm qhov chaw ntawm cov ntaub hauv paus kom ua tiav kev txhim kho kev ua tau zoo.
Kev Tiv Thaiv Kev Lag Luam nrog Polyurethane (PU) Txheej
Cov txheej polyurethane feem ntau siv rau hauv cov ntaub thaiv pa luam yeeb thiab cov teeb meem hluav taws uas tsis hnyav. Lawv lub ntsiab lus tseem ceeb yog nyob rau hauv kev ruaj khov ntawm cov qauv fiber, txhim kho cov ntaub qhov tsis kam thiab yooj yim ntawm kev ua. Txawm hais tias PU resin raug kev puas tsuaj los ntawm cua sov ntawm kwv yees li 180 ° C, los ntawm kev qhia txog micronized aluminium rau hauv cov qauv, txawm tias cov khoom organic decompose, cov hlau seem tseem tuaj yeem muab cov cua sov radiant tseem ceeb, yog li tswj cov ntaub tiv thaiv cov qauv ntawm qhov kub siab ntawm 550 ° C txog 600 ° C. Tsis tas li ntawd, PU-coated hluav taws-resistant ntaub muaj cov khoom rwb thaiv tsev zoo thiab feem ntau siv ua kev tiv thaiv thermal thiab suab-nqus linings rau cov ducts cua.
Kev Hloov Pauv ntawm Kev Tiv Thaiv Huab Cua nrog Silicone Coating
Cov ntaub fiberglass coated nrog siliconesawv cev rau kev siv qib siab hauv kev tiv thaiv cua sov. Cov roj silicone muaj kev ywj pheej zoo heev, hydrophobicity, thiab tshuaj lom neeg ruaj khov.
Kev Hloov Kho Kub Heev:Nws qhov kub ua haujlwm npog -70°C txog 250°C, thiab nws tsim cov pa luam yeeb tsawg heev thaum raug cua sov, ua raws li cov cai tswjfwm kev nyab xeeb hluav taws nruj heev.
Kev Tiv Thaiv Kev Tshuaj Lom Zem:Hauv kev lag luam petrochemical thiab marine, cov ntaub uas tiv taus hluav taws feem ntau raug rau cov roj lubricating, cov kua hydraulic, thiab cov tshuaj tsuag ntsev dej hiav txwv. Cov txheej silicone tuaj yeem tiv thaiv cov tshuaj lom neeg no kom tsis txhob nkag mus rau hauv cov fibers, zam kev poob zog tam sim ntawd vim yog kev ntxhov siab corrosion.
Kev rwb thaiv hluav taws xob:Ua ke nrog cov fiberglass substrate, cov ntaub silicone-coated yog cov khoom siv zoo tshaj plaws rau kev tiv thaiv hluav taws ntawm cov xov hluav taws xob.
Txheej Vermiculite: Kev Kub Siab Tshaj Plaws
Thaum qhov chaw siv muaj cov hlau yaj uas tawg los yog cov hluav taws xob vuam ncaj qha, cov txheej txheej minerals qhia tau tias muaj txiaj ntsig zoo heev. Cov txheej txheej Vermiculite ua rau cov khoom siv tiv thaiv thermal tam sim ntawd los ntawm kev tsim cov zaj duab xis tiv thaiv uas muaj cov minerals silicate ntuj ntawm qhov chaw fiber. Cov ntaub sib xyaw no tuaj yeem ua haujlwm tas mus li rau lub sijhawm ntev ntawm 1100 ° C, tiv taus qhov kub txog li 1400 ° C rau lub sijhawm luv luv, thiab txawm tias tiv taus qhov kub siab tam sim ntawd ntawm 1650 ° C. Cov txheej txheej Vermiculite tsis yog tsuas yog txhim kho kev tiv thaiv kev hnav xwb tab sis kuj muaj cov txiaj ntsig zoo ntawm kev tshem tawm plua plav, muab qhov chaw ua haujlwm nyab xeeb dua rau kev ua haujlwm kub siab.
Kev Siv Cov Ntawv Nyiaj Aluminium Lamination thiab Kev Tswj Xyuas Kub Radiant
Los ntawm laminating aluminium ntawv ci rau ntawm qhov chaw ntawmntaub fiberglasssiv cov txheej txheem nplaum lossis extrusion, ib qho kev thaiv cua sov zoo heev tuaj yeem tsim tau. Qhov kev cuam tshuam siab ntawm cov ntawv ci txhuas (feem ntau > 95%) zoo cuam tshuam cov hluav taws xob infrared uas tso tawm los ntawm cov cub tawg lossis cov kav dej kub siab. Hom khoom siv no yog siv dav hauv cov pam hluav taws, cov ntaub thaiv hluav taws, thiab cov ntaub thaiv phab ntsa ntawm lub tsev, tsis yog tsuas yog muab kev tiv thaiv hluav taws xwb tab sis kuj ua tiav kev txuag hluav taws xob ntau los ntawm kev cuam tshuam cua sov.
Kev Lag Luam Thoob Ntiaj Teb Dynamics thiab Kev Siv Nyiaj Zoo
Qhov kev siv nyiaj tsim nyog ntawm cov ntaub fiberglass uas tiv taus hluav taws yog qhov ua piv txwv zoo tshaj plaws ntawm nws qhov kev sib tw tseem ceeb. Kev kwv yees kev lag luam rau xyoo 2025 qhia tau tias vim muaj kev siv tshuab ntau hauv cov txheej txheem pultrusion thiab weaving, tus nqi ntawm cov fiberglass yuav nyob ruaj khov ntawm qib qis hauv lub sijhawm ntev. Tus nqi qis no ua rau kev nyab xeeb hluav taws tsis yog thaj chaw tshwj xeeb ntawm cov khoom siv siab, tab sis nkag tau rau cov tsev ib txwm thiab cov chaw ua haujlwm me me.
Kev Ruaj Ntseg thiab Kev Lag Luam Ib puag ncig
Nrog rau kev nrov npe ntawm ESG (Ib puag ncig, Kev sib raug zoo, thiab Kev Tswjfwm) cov ntsiab cai, kev siv cov fiberglass rov ua dua tshiab tau ua rau muaj kev tawg paj.
Kev Siv Khoom Siv Dua: Cov ntaub fiberglass qub uas tiv taus hluav taws tuaj yeem raug tsoo thiab rov siv dua ua cov khoom siv txhawb nqa rau cov pob zeb lossis ua cov khoom siv raw rau kev tsim cov cib refractory. Cov txiaj ntsig txuag hluav taws xob: Cov tes tsho rwb thaiv tsev fiberglass ncaj qha txo cov pa roj carbon los ntawm kev txo qis kev poob cua sov hauv kev lag luam, muab rau lawv cov txiaj ntsig zoo hauv kev lag luam ntawm kev ua raws li lub hom phiaj "ob chav carbon".
Qhov laj thawj uas fiberglass tau dhau los ua cov khoom siv nyiam rau cov ntaub tiv taus hluav taws yog qhov tshwm sim ntuj ntawm nws cov tshuaj lom neeg thiab kev tsim kho tshiab. Ntawm qib atomic, nws ua tiav qhov ruaj khov thermal los ntawm lub zog sib txuas ntawm lub network silicon-oxygen; ntawm qib kev teeb tsa, nws tsim cov khoom thaiv thermal zoo los ntawm kev ntes cov huab cua zoo li qub hauv cov fibers; ntawm qib txheej txheem, nws them rau cov qhov tsis zoo ntawm lub cev los ntawm kev siv tshuab ntau txheej txheej; thiab ntawm qib kev lag luam, nws tsim kom muaj kev sib tw zoo tshaj plaws los ntawm kev lag luam ntawm qhov ntsuas.
Lub sijhawm tshaj tawm: Lub Ib Hlis-19-2026
