Yuav ua li cas tswj lub corundum crucible?

Nyob rau hauv tus txheej txheem ntawm kev siv corundum crucible, peb yuav tsum xyuam xim rau kev tu txhua hnub, txwv tsis pub cov impurities nyuaj rau tshem tawm, thiab nws yog ib qho tsim nyog yuav tsum tau hloov nrog lwm tus. Kev saib xyuas ntawm corundum crucible yuav tsum xub them sai sai rau cov kev txwv ntawm kev siv. Tsis txhob siv cov corundum crucible rau sinter lub zog Rau cov qauv nrog alkali thiab muaj zog acid raws li flux, tsis txhob kub heev dheev thaum siv kom tsis txhob kub ceev thiab puas corundum crucible. Txawv lub thawv-hom kuj furnaces yuav tsum sib txawv corundum crucible yeej. Xaiv qhov tsim nyog corundum crucible thaum xaiv.