Kev Taw Qhia
Hauv cov tshav dav hlau, tsev kho mob, khw muag khoom, tsheb ciav hlau hauv av, tsev siab thiab lwm qhov chaw tseem ceeb, txhawm rau kom muaj kev nyab xeeb ntawm tib neeg thaum muaj hluav taws thiab kev ua haujlwm ib txwm ntawm cov txheej txheem xwm txheej ceev, nws yog qhov tsim nyog siv cov hlau tiv thaiv hluav taws thiab cov xov hlau uas tiv taus hluav taws zoo heev. Vim muaj kev saib xyuas ntxiv rau kev nyab xeeb ntawm tus kheej, kev thov ua lag luam rau cov xov hlau tiv taus hluav taws kuj nce ntxiv, thiab thaj chaw thov tau dhau los ua ntau dua thiab ntau dua, qhov zoo ntawm cov hlau tiv taus hluav taws thiab cov xov hlau kuj tseem siab dua.
Cov hlau thiab cable uas tiv taus hluav taws yog hais txog cov hlau thiab cable uas muaj peev xwm ua haujlwm tas mus li hauv lub xeev tshwj xeeb thaum hlawv hauv qab nplaim taws thiab lub sijhawm tshwj xeeb, uas yog lub peev xwm los tswj kev ncaj ncees ntawm kab. Cov hlau thiab cable uas tiv taus hluav taws feem ntau nyob nruab nrab ntawm tus neeg xyuas pib thiab txheej rwb thaiv tsev ntxiv rau ib txheej ntawm cov txheej refractory, txheej refractory feem ntau yog ntau txheej refractory mica daim kab xev ncaj qha qhwv ib ncig ntawm tus neeg xyuas pib. Nws tuaj yeem raug sintered rau hauv cov khoom siv insulator tawv, ntom ntom txuas rau ntawm qhov chaw ntawm tus neeg xyuas pib thaum raug hluav taws, thiab tuaj yeem ua kom cov kab ua haujlwm ib txwm txawm tias cov polymer ntawm cov nplaim taws siv tau hlawv. Yog li ntawd, kev xaiv cov kab xev mica uas tiv taus hluav taws ua lub luag haujlwm tseem ceeb hauv qhov zoo ntawm cov hlau thiab cable uas tiv taus hluav taws.
1 Cov khoom sib xyaw ntawm cov kab xev mica refractory thiab cov yam ntxwv ntawm txhua qhov sib xyaw
Hauv daim kab xev mica refractory, daim ntawv mica yog qhov hluav taws xob rwb thaiv tsev tiag tiag thiab cov khoom siv refractory, tab sis daim ntawv mica nws tus kheej yuav luag tsis muaj zog thiab yuav tsum tau txhawb nqa nrog cov khoom siv reinforcing los txhim kho nws, thiab ua kom daim ntawv mica thiab cov khoom siv reinforcing ua ib qho yuav tsum siv cov nplaum. Yog li ntawd, cov khoom siv raw rau daim kab xev mica refractory yog ua los ntawm daim ntawv mica, cov khoom siv reinforcing (daim ntaub iav lossis zaj duab xis) thiab cov nplaum resin.
1. 1 Daim ntawv mica
Daim ntawv mica muab faib ua peb hom raws li cov khoom ntawm cov zaub mov mica siv.
(1) Daim ntawv mica ua los ntawm mica dawb;
(2) Daim ntawv mica ua los ntawm kub mica;
(3) Daim ntawv mica ua los ntawm cov khoom siv mica ua raw.
Peb hom ntawv mica no puav leej muaj lawv cov yam ntxwv tseem ceeb
Hauv peb hom ntawv mica, cov khoom siv hluav taws xob ntawm chav tsev kub ntawm daim ntawv mica dawb yog qhov zoo tshaj plaws, daim ntawv mica tsim yog qhov thib ob, daim ntawv kub mica tsis zoo. Cov khoom siv hluav taws xob ntawm qhov kub siab, daim ntawv mica tsim yog qhov zoo tshaj plaws, daim ntawv kub mica yog qhov thib ob zoo tshaj plaws, daim ntawv dawb mica tsis zoo. Cov khoom siv hluav taws xob ntawm qhov kub siab, daim ntawv mica tsim yog qhov zoo tshaj plaws, daim ntawv kub mica yog qhov thib ob zoo tshaj plaws, daim ntawv dawb mica tsis zoo. Cov khoom siv mica tsim tsis muaj dej crystalline thiab muaj qhov chaw yaj ntawm 1,370 ° C, yog li nws muaj qhov tiv taus zoo tshaj plaws rau qhov kub siab; kub mica pib tso tawm dej crystalline ntawm 800 ° C thiab muaj qhov tiv taus zoo tshaj plaws rau qhov kub siab thib ob; dawb mica tso tawm dej crystalline ntawm 600 ° C thiab muaj qhov tiv taus tsis zoo rau qhov kub siab. Kub mica thiab cov khoom siv mica tsim feem ntau yog siv los tsim cov kab xev mica refractory nrog cov khoom refractory zoo dua.
1. 2 Cov ntaub ntawv txhawb zog
Cov ntaub ntawv txhawb zog feem ntau yog daim ntaub iav thiab zaj duab xis yas. Daim ntaub iav yog cov iav fiber ua los ntawm cov iav tsis muaj alkali, uas yuav tsum tau woven. Cov zaj duab xis siv tau ntau hom yas zaj duab xis, kev siv cov yas zaj duab xis tuaj yeem txo cov nqi thiab txhim kho qhov tsis kam ntawm qhov chaw, tab sis cov khoom tsim tawm thaum lub sijhawm hlawv yuav tsum tsis txhob rhuav tshem cov rwb thaiv tsev ntawm daim ntawv mica, thiab yuav tsum muaj lub zog txaus, tam sim no feem ntau siv yog polyester zaj duab xis, polyethylene zaj duab xis, thiab lwm yam. Nws tsim nyog hais tias lub zog tensile ntawm daim kab xev mica yog cuam tshuam nrog hom khoom siv txhawb zog, thiab kev ua tau zoo tensile ntawm daim kab xev mica nrog daim ntaub iav txhawb zog feem ntau siab dua li ntawm daim kab xev mica nrog zaj duab xis txhawb zog. Tsis tas li ntawd, txawm hais tias IDF lub zog ntawm daim kab xev mica ntawm chav tsev kub yog cuam tshuam nrog hom ntawv mica, nws kuj tseem cuam tshuam nrog cov khoom siv txhawb zog, thiab feem ntau IDF lub zog ntawm daim kab xev mica nrog zaj duab xis txhawb zog ntawm chav tsev kub yog siab dua li ntawm daim kab xev mica tsis muaj zaj duab xis txhawb zog.
1. 3 Cov nplaum resin
Cov nplaum resin muab cov ntawv mica thiab cov khoom siv txhawb nqa ua ke ua ib qho. Cov nplaum yuav tsum tau xaiv kom tau raws li lub zog siab ntawm cov ntawv mica thiab cov khoom siv txhawb nqa, daim kab xev mica muaj qee qhov kev ywj pheej thiab tsis hlawv tom qab hlawv. Nws yog ib qho tseem ceeb uas daim kab xev mica tsis hlawv tom qab hlawv, vim nws cuam tshuam ncaj qha rau qhov tsis kam ntawm cov ntaub thaiv rwb thaiv tsev ntawm daim kab xev mica tom qab hlawv. Raws li cov nplaum, thaum khi daim ntawv mica thiab cov khoom siv txhawb nqa, nkag mus rau hauv cov qhov hws thiab micropores ntawm ob qho tib si, nws dhau los ua ib txoj hauv kev rau kev coj hluav taws xob yog tias nws hlawv thiab hlawv. Tam sim no, cov nplaum feem ntau siv rau cov kab xev mica refractory yog cov nplaum silicone resin, uas tsim cov hmoov silica dawb tom qab hlawv thiab muaj cov khoom rwb thaiv tsev zoo.
Xaus lus
(1) Cov kab xev mica refractory feem ntau yog tsim los ntawm kev siv kub mica thiab cov mica hluavtaws, uas muaj cov khoom hluav taws xob zoo dua ntawm qhov kub siab.
(2) Lub zog tensile ntawm mica tapes muaj feem cuam tshuam nrog hom khoom siv txhawb nqa, thiab cov khoom tensile ntawm mica tapes nrog cov ntaub iav txhawb nqa feem ntau siab dua li cov ntawm mica tapes nrog cov yeeb yaj kiab txhawb nqa.
(3) Lub zog IDF ntawm cov kab xev mica ntawm chav tsev kub yog cuam tshuam nrog hom ntawv mica, tab sis kuj rau cov khoom siv txhawb nqa, thiab feem ntau yog siab dua rau cov kab xev mica nrog cov yeeb yaj kiab txhawb nqa dua li rau cov uas tsis muaj.
(4) Cov nplaum rau cov kab xev mica uas tiv taus hluav taws feem ntau yog cov nplaum silicone.
Lub sijhawm tshaj tawm: Lub Rau Hli-30-2022