Siab thermal poob siab sai sai evillas
Lub ntsiab tivthaiv ntawm dog dig alumina hollow sphere yog al2o3 (tshaj li ntawm 98%), thiab lub ntsiab lus tseem ceeb rau cov khoom lag luam ruaj khov ntawm cov khoom. Yog li ntawd, thaum txiav txim siab cov mis, alumina hollow spheres tseem siv raws li aggregates, thiab tus nqi tsim nyog ntawm Sio2 yog ntxiv rau kev sib dhos. Thaum lub sij hawm tua hluav taws, qee qhov nyiaj ntawm Mullite theem tau tsim nyob rau hauv Matrix los hloov Borundum theem, Li txhim kho cov thermal poob taus. Ntxiv ib qho nyiaj ntawm silicon hlau pob zeb rau kev ua kom tus nqi ntawm kev hloov cov kab kev hloov pauv ntawm cov khoom lag luam sab nraud.
Cov Txheej Txheem Ntau Lawm:
Cov khoom xyaw: sib xyaw cov phau ntawv thiab ib co av nplaum rau hauv cov slurry, thiab ua ntej sib tov - al2o3 micro hmoov, sillimanite, thiab seem av nplaum rau tom qab siv. Cov kab sib xyaw ua ke yog: Alumina Hollow Spheres - av nkos - ua ntej sib xyaw hmoov, sib xyaw covyees hauv qhov tsis muaj ferrous.
Kev tsim thiab ziab: Siv cov pwm ntoo ntoo los co thiab ua, ib txwm qhuav rau 12 teev, ces qhuav hauv lub qhov ntev li 36 teev. Qhov ntsuas kub ntawm lub tshuab ziab khaub ncaws yog 60 degree, thiab qhov hluav taws xob kub yog 120 degree.
Kev hlawv: Nws raug rho tawm haujlwm hauv 20m3 invered flue kiln, thiab feem ntau ntawm Kiln thauj khoom yog sab chaw thau khoom. Qhov qis dua yog thauj khoom nrog cov qauv thiab dav dav hom, thiab sab qaum yog thauj nrog cov sib txawv thiab hom tshwj xeeb. Cov cua sov tus nqi: chav tsev kub ~ 800 degree, 24h, {{{{{{{6} degree, 6h; Kev ntsuas kub kub rau 8 teev, tswj kom muaj qhov zoo me ntsis sab hauv lub kiln. Txias rau 48 teev tom qab cheem cov kiln. Kuaj xyuas raws li cov neeg siv cov qauv tom qab tawm ntawm kiln. Qhov saum npoo ntawm cov khoom yog dawb thiab du, nrog cov tsos mob ib txwm muaj thiab tus nqi tsim nyog ntawm 99%.
Siab thermal poob siab tsis kam alumina hollow spreabition los ntawm kev txhim kho cov alumina hollow spreat, ua rau lawv tiv taus ntau dua. Kev siv cov cib yog qhov zoo heev.
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