Cruciblesyog cov cuab yeej tseem ceeb hauv ntau qhov kev lag luam rau kev tuav cov txheej txheem melting thiab smelting. Nws yog ib lub thawv uas tuaj yeem tiv taus qhov kub thiab txias thiab siv los tuav cov khoom thiab ua kom sov rau lawv qhov chaw melting. Ntau hom crucibles yog siv nyob ntawm seb cov kev cai tshwj xeeb ntawm cov khoom raug melted los yog smelted. Hauv tsab ntawv blog no, peb yuav tshawb txog ntau hom crucibles thiab lawv daim ntawv thov.
1. Hlau crucible:
Siv cov hlau crucible thaum melting muaj zog alkaline tshuaj xws li NaOH. Txawm li cas los xij, nws tsis tau siv dav vim muaj teeb meem xws li xeb yooj yim thiab oxidation. Hauv ntau daim ntawv thov uas muaj cov ntaub ntawv alkaline, inert hlau crucibles tseem yog qhov kev xaiv.
2. Cam khwb cia hlau crucible:
Cam khwb cia hlau crucibles yog tsim los ntawm npua hlau thiab paub txog lawv cov kav ntev. Nws yog siv los yaj ntau yam hlau alloys xws li txhuas, zinc, txhuas, tin thiab antimony alloys. Piv rau hlau crucibles, cam khwb cia hlau crucibles yog ntau ruaj thiab muaj peev xwm tiv taus qhov kub siab uas yuav tsum tau yaj cov alloys.
3. Quartz crucible:
Quartz crucibles feem ntau yog siv nyob rau hauv kev lag luam semiconductor thiab yog qhov tseem ceeb rau kev tsim cov loj-scale integrated circuits. Cov crucibles no tuaj yeem tiv taus qhov kub txog li 1650 degrees thiab muaj nyob rau hauv cov qauv ntshiab thiab opaque. Translucent quartz crucible tsim los ntawm arc txoj kev, siv rau rub loj txoj kab uas hla ib leeg siv lead ua silicon. Nws muaj qhov zoo ntawm purity siab, muaj zog kub tsis kam, loj loj, siab precision, zoo thermal rwb thaiv tsev kev ua tau zoo, txuag hluav taws xob, thiab ruaj khov zoo. Txawm li cas los xij, kev saib xyuas yuav tsum tau ua raws li quartz nkig thiab tuaj yeem tawg tau yooj yim.
4. Porcelain crucible:
Ceramic crucibles yog nrov rau lawv cov tshuaj tiv thaiv thiab pheej yig. Txawm li cas los xij, nws tsis tuaj yeem siv los yaj cov tshuaj alkaline xws li NaOH, Na2O2, Na2CO3, thiab lwm yam, vim tias lawv yuav hnov mob nrog cov plooj (porcelain) thiab ua rau corrosion. Tsis tas li ntawd, cov porcelain crucibles yuav tsum tsis txhob kov nrog hydrofluoric acid. Lawv tsim nyog rau kev siv ntawm qhov kub thiab txias ntawm 1200 degrees.
5. Corundum crucible:
Corundum crucible yog qhov tsim nyog rau cov qauv yaj uas siv cov tshuaj tsis muaj zog alkaline xws li anhydrous Na 2 CO 3 ua flux. Txawm li cas los xij, lawv tsis haum rau cov qauv yaj uas siv cov tshuaj alkaline uas muaj zog (xws li Na2O2, NaOH) lossis cov kua qaub (xws li K2S2O7) raws li fluxes.
6. Graphite crucible:
Graphite crucibles yog dav siv nyob rau hauv cov hlau casting kev lag luam vim lawv zoo heev thermal conductivity thiab kub tsis kam. Lawv haum rau melting ntau yam hlau xws li tooj liab, kub, nyiaj thiab tooj dag.
7. Silicon carbide crucible:
Silicon carbide crucibles paub txog lawv cov thermal conductivity thiab cov tshuaj tiv thaiv zoo heev. Lawv yog siv nyob rau hauv melting thiab smelting txheej txheem uas muaj xws li kub kub daim ntaub ntawv, xws li zus tau tej cov ceramics thiab alloys.
Txhua hom crucible muaj nws tus kheej zoo thiab kev siv. Crucible xaiv nyob ntawm tej yam xws li cov khoom raug melted los yog smelted, qhov xav tau kub ntau yam thiab pob nyiaj siv. Txawm hais tias koj yog melting tooj liab, casting hlau, los yog smelting alloys, xaiv txoj cai crucible yog ib qho tseem ceeb rau kev ua tiav thiab ua haujlwm tau zoo.
Hauv cov ntsiab lus, crucibles ua lub luag haujlwm tseem ceeb hauv ntau yam kev lag luam uas muaj cov txheej txheem melting thiab smelting. Kev nkag siab txog ntau hom crucibles muaj thiab lawv cov ntawv thov tshwj xeeb tuaj yeem pab cov lag luam txiav txim siab txog qhov twg crucible siv kom tau raws li lawv cov kev xav tau tshwj xeeb. Seb nws yog hlau crucible, cam khwb cia hlau crucible, quartz crucible, porcelain crucible, corundum crucible, graphite crucible los yog silicon carbide crucible, txhua yam muaj nws tus kheej zoo thiab kev txwv. Los ntawm kev xaiv qhov raug crucible, cov lag luam tuaj yeem txhim kho lawv cov haujlwm thiab ua kom cov txiaj ntsig zoo.
Post lub sij hawm: Nov-15-2023