Dab tsi yog Rigid Graphite Felt?

Nyob rau xyoo tas los no, lub ntiaj teb kev lag luam tau pom kev siv cov ntaub ntawv siab heev uas muaj kev ruaj khov, lub zog, thiab kev tiv taus cua sov ntau ntxiv. Ntawm cov no,graphite tawv nqaijtau tshwm sim los ua ib qho tseem ceeb hauv ntau yam kev siv, los ntawm kev rwb thaiv tsev kub mus rau cov txheej txheem tsim khoom tshwj xeeb.

Graphite Felt yog dab tsi?

Ua ntej yuav nkag siab txog cov khoom siv graphite uas tawv, nws yog ib qho tseem ceeb uas yuav tsum nkag siab txog nws cov khoom ua ntej. graphite feltCov ntaub graphite yog ib hom khoom siv carbon uas tsim los ntawm kev hloov ntau yam khoom siv ua ntej, xws li rayon lossis polyacrylonitrile (PAN), mus rau hauv cov khoom siv carbonized los ntawm cov txheej txheem hu ua pyrolysis. Qhov tshwm sim yog cov khoom siv mos, yoog tau, thiab sib dua uas khaws cov yam ntxwv kub thiab kev coj ua ntawm graphite.

Txawm hais tias cov khoom siv graphite feem ntau siv rau hauv cov lag luam uas xav tau kev rwb thaiv tsev, xws li hauv cov cub tawg, cov qhov cub, lossis cov chaw soj nstuam, qhov yooj ywm ntawm cov khoom siv txwv nws cov kev siv hauv cov xwm txheej uas xav tau kev ruaj khov. Qhov no yog qhov uas cov khoom siv graphite ruaj khov los ua si.

Dab tsi yog Rigid Graphite Felt?

Cov khoom siv graphite ruaj khov hu ua graphite tawv felt ib yam nkaus, nws yog ib qho hloov kho ntawm graphite felt, tsim los ntawm kev kho mob ntxiv thiab cov txheej txheem los ua kom nws lub zog thiab kev ua haujlwm zoo. Tsis zoo li nws cov neeg sib tw yooj ywm, graphite tawv felt khaws nws cov duab hauv qab kev ntxhov siab thiab tuaj yeem tiv taus ntau yam kev ua haujlwm hnyav. Cov khoom siv feem ntau yog impregnated lossis ua tiav nrog cov neeg sawv cev khi lossis cov resins uas pab ua kom nws lub zog, xyuas kom meej tias nws tswj tau daim ntawv khov kho txawm tias raug rau qhov kub thiab txias heev lossis lub zog kho tshuab.

Rigid graphite felt yog feem ntau lees paub rau nws covkev ua haujlwm thermal siab, kev coj ua zoo heev, thiab kev ua haujlwm zoo kawg nkaus, ua rau nws yog ib qho khoom siv zoo tagnrho hauv kev lag luam uas ob qho tib si cua sov thiab kev ntxhov siab ntawm cov khoom siv yog qhov tseem ceeb.

Cov Khoom Tseem Ceeb ntawm Rigid Graphite Felt

1. Kev Tiv Thaiv Kub Siab
   Ib qho ntawm cov yam ntxwv tseem ceeb tshaj plaws ntawm cov khoom siv graphite tawv yog nws lub peev xwm tiv taus qhov kub siab yam tsis poob nws cov qauv. Nws tuaj yeem tiv taus qhov kub siab tshaj 3,000 ° F (1,600 ° C), nyob ntawm cov qauv tshwj xeeb thiab cov txheej txheem tsim khoom. Qhov no ua rau nws yog qhov kev xaiv zoo meej rau cov ntawv thov uas muaj cov xwm txheej kub heev, xws li hauv cov cub tawg, reactors, lossis cov tshuab rwb thaiv tsev kub.

2. Kev Ua Tau Zoo Tshaj Plaws Thermal
   Graphite yog paub rau nws cov khoom zookev ua tau zoo heev ntawm cov thermal conductivity, uas yog ib qho ntawm cov laj thawj vim li cas cov khoom siv graphite tawv thiaj li muaj nqis heev hauv cov lag luam uas xav tau kev hloov pauv cua sov zoo. Qhov kev ua tau zoo ntawm graphite ua kom ntseeg tau tias cua sov tau faib sib npaug, txo cov kev hloov pauv cua sov thiab tiv thaiv cov chaw kub uas tuaj yeem ua rau cov khoom siv lossis cov ntaub ntawv rhiab heev puas tsuaj.

3. Lub Zog Kho Tshuab
   Cov graphite tawv yog tsim los kom tiv taus kev ntxhov siab ntawm cov khoom siv. Nws qhov tawv nqaij ua rau nws tswj tau nws cov duab thiab kev ua haujlwm txawm tias raug kev quab yuam xws li kev nias lossis kev nruj. Cov yam ntxwv no ua rau nws tsis tseem ceeb hauv cov ntawv thov uas qhov kev ua tiav ntawm cov khoom siv yog qhov tseem ceeb, xws li hauv kev lim roj thiab kua, lossis ua cov khoom siv hauv cov chaw muaj kev kub siab.

4. Kev Tsis Muaj Tshuaj Lom Zem
   Cov ntaub graphite no tiv taus feem ntau cov tshuaj lom neeg, ua rau nws zoo tagnrho rau kev siv hauv cov chaw muaj tshuaj lom neeg hnyav. Nws tsis xeb lossis lwj thaum raug rau cov kua qaub, alkalis, lossis cov kuab tshuaj, uas ua rau nws lub neej ua haujlwm ntev thiab kev ua tau zoo hauv ntau cov txheej txheem kev lag luam.

5. Sib dua
   Txawm hais tias nws lub zog khov kho, cov khoom siv graphite tseem hnyav dua piv rau lwm cov ntaub ntawv uas muaj cov khoom siv thermal thiab mechanical zoo sib xws. Qhov no ua rau nws yooj yim dua rau kev tuav thiab teeb tsa, thaum tseem pab txo qhov hnyav tag nrho ntawm cov khoom siv thiab cov qauv uas siv nws.

Cov ntawv thov ntawm Rigid Graphite Felt

Cov khoom tshwj xeeb ntawm cov graphite uas tawv ua rau nws muaj ntau yam thiab muaj nqis heev hauv ntau yam lag luam. Qee qhov kev siv tseem ceeb suav nrog:

1. Kev Rwb Thaiv Kub Siab

Ib qho ntawm cov kev siv ntau tshaj plaws ntawm cov graphite rigid yog nyob rau hauvkev rwb thaiv tsev kubrau cov cub tawg, cov kilns, thiab cov reactors. Nws lub peev xwm los tiv taus qhov kub siab thaum tswj hwm kev ruaj khov ntawm cov qauv ua rau nws yog cov khoom siv zoo tagnrho rau kev rwb thaiv cov khoom siv tseem ceeb hauv kev lag luam zoo likev ua hlau, kev tsim iav, thiabcov khoom siv av nplaum.

2. Cov Roj Hmab

Cov graphite tawv tawv feem ntau siv rau hauvkev siv roj cell, tshwj xeeb tshaj yog nyob rau hauv cov roj hlwb proton-exchange membrane (PEMFCs). Nws qhov kev ua tau zoo thiab kev ruaj khov ntawm cov qauv hauv qab cua sov ua rau nws yog ib qho tseem ceeb hauv kev tswj hwm kev ua haujlwm ntawm cov hlwb thaum tseem ua kom muaj kev faib cua sov zoo.

3. Cov Tiv Thaiv Kub thiab Cov Teeb Meem Thermal

Hauv kev lag luam aerospace, automotive, thiab lwm yam kev lag luam muaj kev ua tau zoo, cov graphite rigid yog siv rau hauvcov ntaub thaiv cua sovthiabcov teeb meem thermallos tiv thaiv cov khoom rhiab heev ntawm qhov kub heev. Txawm hais tias nws yog lub dav hlau rov qab nkag mus rau hauv ntiaj teb huab cua lossis cov pa tawm hauv cov tsheb ua haujlwm siab, cov graphite tawv ua haujlwm ua lub laj kab tiv taus cua sov.

4. Cov Tshuaj Reactors

Vim nws cov tshuaj lom neeg tsis muaj zog thiab tiv taus corrosion, graphite rigid felt yog siv rau hauvcov tshuaj reactorsuas ua haujlwm nyob rau hauv cov xwm txheej hnyav heev. Nws pab tiv thaiv thiab tswj cov txheej txheem kub siab thaum tswj hwm kev ua haujlwm thermal zoo tas li.

5. Cov Ntawv Thov Nqus Tsev

In cov tshuab nqus tsev, cov graphite tawv siv ua cov ntaub thaiv lossis cov khoom siv rwb thaiv tsev. Nws qhov sib dua thiab tiv taus qhov kub siab ua rau nws ua tau zoo hauv kev tswj hwm qhov kev ua haujlwm ntawm cov chav nqus tsev, ua kom muaj kev tswj hwm cua sov zoo hauv cov kab ke xws licov cub tawg nqus tsev or kev cia khoom cryogeniccov thoob dej.