Ntau tus kws tshaj lij paub tias silica gel desiccant muaj qhov qauv qhib ntxeem tau, yog li thaum peb siv nws, nws tuaj yeem nqus tau ntau yam khoom siv thiab yog qhov zoo desiccant. Dab tsi yog qhov zoo ntawm silica gel desiccant ntxeem tau qauv?
Vim yog qhov sib txawv pore yam ntxwv ntawm silica gel desiccant, nws qhov kev ua tau zoo li desiccant kuj txawv. Vim tias qhov pore me me loj, pore me me ntim, thiab qhov chaw loj tshwj xeeb thaj chaw ntawm qhov zoo-pore desiccant, qhov peev xwm adsorption loj dua li cov ntxig-pore kua nplaum hauv qab cov huab cua qis. Lub ntxhib pore desiccant muaj qhov loj pore loj, pore loj ntim, thiab thaj chaw me me tshwj xeeb, thiab nws cov peev xwm adsorption tau siab dua qhov ntawm cov pore zoo kua nplaum nyob hauv qhov chaw siab huab cua. Yog li ntawd, nplua-pore silica gel desiccant yog qhov tsim nyog kom ziab hauv qab cov av noo noo. Rau ziab compressed cua, ntxhib pore desiccant yog qhov tsim nyog kom qhuav hauv qab ntawm cov av noo ntau dua.Rau lub cev qhuav dej ntawm cov khoom siv tshuaj lom neeg, qhov ziab ntawm qhov pore desiccant yog qhov loj dua li ntawm cov ntxhib pore roj hmab (tab sis thaum cov av noo siab dhau) cov xwm txheej ntawm qhov kub thiab txias thiab kub dhau los, txawm tias zoo pore desiccant tau yuav luag poob nws lub peev xwm ziab. Hauv qhov no, cov suab sib molecular lossis tshuab txais alumina desiccant yuav tsum tau siv rau kev ziab)
Silica gel desiccant
Qhov no tseem qhia tau tias hauv cov txheej txheem ntim qhuav, thaum qhov ntsuas kub ntawm qhov chaw nyob qhov siab thiab cov av noo tsis ntau, cov ya raws ntawm cov nplua-pore desiccant ntau dua li cov ntsiab lus ya raws ntawm cov ntxhib-cell kua nplaum. Dab tsi yuav tsum ua kom pom tseeb ntawm no yog tias cov silica gel desiccant tsis yooj yim tawg hauv cov txheej txheem ntawm adsorbing ya raws. Daim ntawv thov ntawm desiccant yeej daws qhov teeb meem ntawm silica gel tawg zoo nkauj. Hauv cov txheej txheem ziab khaub ncaws, txhawm rau txhawm rau qhia hygroscopicity ntawm desiccant, qhov taw qhia xiav ntawm cov pos hniav yog suav nrog, thiab cov xim hloov ntawm qhov ntsuas tau siv los qhia nws qhov hygroscopicity, thiab cov av noo txheeb ze ntawm ib puag ncig tuaj yeem ntxig txiav txim tau. Qhov tseeb, qhov taw qhia cov kua nplaum xiav kuj yog ib hom microporous kua nplaum, nws cov nyiaj adsorption yog me dua qhov sib txuam microporous kua nplaum, thiab cov cais tawm kuj tseem yog me; ntxiv rau, thaj tsam tshwj xeeb thaj chaw ntawm qee qhov nqi ntawm microporous kua nplaum yog ntau dua qhov tshwj xeeb thaj chaw ntawm cov kua nplaum macroporous Qhov no tseem yog lub laj thawj tseem ceeb uas cov adsorption ntawm cov kua nplaum-pore zoo sib txawv los ntawm cov coarse-pore kua nplaum.
