Dab tsi yog khov kom qhuav?
Dab tsi yog khov kom qhuav?
Khov qhuav kom qhuav (tseem hu ua Lyophilization) yog kev tshem tawm dej hauv cov khoom siv kom qhuav, nrog rau lub hom phiaj kom tsis txhob muaj kev ua haujlwm khov
Ua kom qhuav kom qhuav li cas?
Khov kom qhuav tshwm sim hauv peb ntu:
No no
Thawj ziab (sublimation)
Thib Ob Kom Qhuav (Adsorption)
Kom khov kom qhuav yas yuav txo lub sijhawm kom qhuav los ntawm 30%
Khov Sij Hawm
Khov yog qhov tseem ceeb tshaj plaws ntawm kev ua kom qhuav, thiab muaj ntau lub taub hau (plhaub} daim ntawv .
Quav kom qhuav yog qhov yooj yim ua tiav siv cov dej khov nab kuab, uas ua rau muaj kev sib tw ntawm cov khoom siv hauv qab, thiab yooj yim} Kuv tuaj yeem ua rau cov khoom siv uas nyiam ua kom daus, annealing tuaj yeem siv . Cov txheej txheem no cuam tshuam rau khov, ces nce cov khoom kub kom cia cov muaju kom loj hlob los cog kom loj hlob los cog lus.
Thawj ziab (sublimation) theem
Khov Qhuav thib ob theem thib ob yog thawj zaug ziab (hauv lub tshuab nqus dej kom ua rau cov dej khov kho thiab cua sov} Cov Khaub Ncaws Hnav vapor .} Hais txog 95% ntawm cov dej hauv cov khoom siv tau ua rau cov qauv qeeb tuaj yeem hloov cov qauv {{}
Thib Ob Kom Qhuav (Adsorption) Theem
Khov Sij Hawm Kawg Nkaus (Adsorption) tuaj yeem tawg nrog cov roj inert ua ntej cov ntaub ntawv yog muab ntim rau {{}} Cov ntaub ntawv feem ntau tuaj yeem qhuav rau {% seem noo noo.
Teeb meem kom tsis txhob muaj thaum khov kom qhuav
Cua sov cov khoom dhau ntawm qhov siab heev tuaj yeem ua rau yaj-nraub qaum lossis khoom poob
Condenser overload tshwm sim los ntawm ntau vapor ntaus lub condenser .
Ntau dhau Vapor Tsim
Ntau thaj av thaj chaw
Tsawg heev rau cheeb tsam condenser
Cov tub yees tsis txaus
Vapor daigking - lub vapor yog tsim los ntawm tus nqi nrawm dua li nws tuaj yeem tau txais los ntawm cov chaw nres nkoj vapor, cov condenser, tsim kom muaj kev nce hauv chav ua haujlwm siab dua {}}
TSEEM CEEB khov khov cov ntsiab lus
Ntawm no yog ob peb qhov tseem ceeb khov qhuav cov ntsiab lus . rau cov npe qhuav, saib peb khov kom qhuav Nplooj ntawv.
Eutectic taw tes lossis eutectic kub
Yog qhov taw tes rau ntawm cov khoom lag luam tsuas yog muaj nyob rau theem khoom, sawv cev rau cov khoom tsawg kawg utectic taw tes lossis tej zaum yuav muaj ntau cov ntsiab lus eutectic .
Tseem ceeb heev
Thaum khov kom qhuav, qhov kub tshaj plaws ntawm cov khoom ua ntej nws qhov zoo ntawm kev ncaj ncees los ntawm yaj-rov qab los yog collapse.
