Composite Phase Hloov Kub Cia Technologyzam ntau qhov tsis zoo ntawm cov khoom siv hluav taws xob muaj txiaj ntsig zoo thiab theem hloov cov txheej txheem khaws cia cua sov los ntawm kev sib txuas ob txoj hauv kev. Cov thev naus laus zis no tau dhau los ua qhov kev tshawb fawb hotspot nyob rau xyoo tas los no, ob qho tib si hauv tebchaws thiab thoob ntiaj teb. Txawm li cas los xij, cov khoom siv tsoos scaffold siv hauv cov cuab yeej no feem ntau yog cov ntxhia hauv ntuj lossis lawv cov khoom lag luam thib ob. Kev rho tawm loj lossis kev ua cov ntaub ntawv no tuaj yeem ua rau lub hauv paus ecosystem puas tsuaj thiab siv cov pob txha loj loj. Txhawm rau txo cov kev cuam tshuam ib puag ncig, cov khoom pov tseg tuaj yeem siv los tsim cov khoom sib xyaw ua ke hloov cov khoom siv cua sov.
Carbide slag, cov khoom siv khib nyiab tsim tawm thaum lub sij hawm tsim cov acetylene thiab polyvinyl chloride, tshaj 50 lab tons ib xyoos twg hauv Suav teb. Tam sim no daim ntawv thov ntawm carbide slag nyob rau hauv cov cement kev lag luam tau mus txog saturation, ua rau loj-scale qhib-cua tsub zuj zuj, landfilling, thiab dej hiav txwv dumping, uas phem heev rau lub zos ecosystem. Nws yog ib qho tsim nyog yuav tsum tau tshawb nrhiav cov txheej txheem tshiab rau kev siv cov peev txheej.
Txhawm rau hais txog kev siv loj ntawm cov khoom siv khib nyiab carbide slag thiab npaj cov pa roj carbon tsawg, cov nqi qis qis hloov cov khoom siv hluav taws xob, cov kws tshawb fawb los ntawm Beijing University of Civil Engineering thiab Architecture tau npaj siv carbide slag ua cov khoom siv scaffold. Lawv siv txoj kev txias-xovxwm sintering los npaj Na₂CO₃ / carbide slag composite theem hloov cov ntaub ntawv kub, ua raws li cov kauj ruam hauv daim duab. Xya qhov kev hloov pauv cov khoom siv nrog qhov sib txawv (NC5-NC7) tau npaj. Xav txog tag nrho cov deformation, nto molten ntsev to, thiab tshav kub cia ceev, txawm hais tias lub tshav kub cia ceev ntawm cov qauv NC4 yog qhov siab tshaj plaws ntawm peb cov ntaub ntawv sib xyaw, nws pom me ntsis deformation thiab to. Yog li, piv txwv NC5 tau txiav txim siab kom muaj qhov zoo tshaj plaws huab hwm coj piv rau cov theem sib xyaw hloov pauv cov khoom siv cua sov. Cov pab pawg tom qab tau txheeb xyuas cov macroscopic morphology, kev ua haujlwm kub cia, cov khoom siv kho tshuab, microscopic morphology, cyclic stability, thiab cov khoom sib xyaw ua ke ntawm cov theem sib xyaw hloov cov khoom siv hluav taws xob, ua rau cov lus xaus hauv qab no:
01Kev sib xyaw ua ke ntawm carbide slag thiab Na₂CO₃ yog qhov zoo, tso cai rau carbide slag los hloov cov khoom siv scaffold tsoos hauv kev sib xyaw ua ke ntawm Na₂CO₃ / carbide slag composite theem hloov cov ntaub ntawv kub. Qhov no ua kom yooj yim cov peev txheej loj rov ua dua ntawm carbide slag thiab ua tiav cov pa roj carbon tsawg, cov nqi qis ntawm kev sib xyaw ua ke hloov cov khoom siv hluav taws xob.
02Kev sib xyaw ua ke hloov cov khoom siv hluav taws xob nrog kev ua haujlwm zoo tuaj yeem npaj nrog ib feem ntawm 52.5% carbide slag thiab 47.5% cov khoom hloov theem (Na₂CO₃). Cov ntaub ntawv qhia tias tsis muaj deformation los yog to, nrog lub tshav kub cia ceev txog li 993 J / g nyob rau hauv qhov kub ntawm 100-900 ° C, compressive zog ntawm 22.02 MPa, thiab ib tug thermal conductivity ntawm 0.62 W / (m•K ). Tom qab 100 cua sov / cua txias mus, cov cua kub cia kev ua tau zoo ntawm cov qauv NC5 tseem nyob ruaj khov.
03Lub thickness ntawm cov theem hloov cov ntaub ntawv zaj duab xis txheej ntawm lub scaffold hais txiav txim siab sib cuam tshuam quab yuam ntawm scaffold cov ntaub ntawv hais thiab lub compressive zog ntawm lub composite theem hloov tshav kub cia khoom. Cov theem sib xyaw hloov cov khoom siv hluav taws xob tau npaj nrog qhov zoo tshaj plaws ntawm pawg ntawm theem hloov cov ntaub ntawv nthuav tawm cov khoom siv zoo tshaj plaws.
04Lub thermal conductivity ntawm scaffold cov khoom hais yog qhov tseem ceeb cuam tshuam rau kev hloov hluav taws xob kev ua haujlwm ntawm cov txheej txheem hloov cov khoom siv hluav taws xob. Lub infiltration thiab adsorption ntawm theem hloov cov ntaub ntawv nyob rau hauv lub pore qauv ntawm scaffold cov khoom hais, txhim kho lub thermal conductivity ntawm scaffold cov ntaub ntawv hais, li no pab txhawb lub tshav kub hloov kev ua tau zoo ntawm lub composite theem hloov tshav kub cia khoom.
Post lub sij hawm: Aug-12-2024