Kumvetsetsa Kusiyana Pakati pa Clay Graphite Crucibles ndi Graphite Silicon Carbide Crucibles

Pochita kuyesa kwamankhwala otentha kwambiri kapena ntchito zamafakitale, kusankha kwa zinthu za crucible kumachita gawo lofunikira pakuwonetsetsa kuti ntchitoyi ikuyenda bwino. Mitundu iwiri yomwe imagwiritsidwa ntchito kwambiri ndi cruciblesmatabwa a graphite cruciblesndigraphite silicon carbide crucibles. Kumvetsetsa kapangidwe kake ka zinthu, kutentha kwa refractory, kusakhazikika kwa mankhwala, komanso kupangika kwamafuta ndikofunikira kuti tipange chisankho chodziwikiratu posankha crucible yoyenera pazosowa za labotale kapena mafakitale.

zakuthupi:
Dongo la graphite crucible limapangidwa makamaka ndi graphite, dongo ndi mafuta enaake, ndipo amadziwika ndi kusachita bwino kwamankhwala. Kumbali inayi, graphite silicon carbide crucible imapangidwa ndi silicon carbide powder ndi ma oxides ena osowa padziko lapansi, ndipo imakhala ndi mikhalidwe ya kukana kutentha kwambiri, kukana kugwedezeka kwamphamvu kwamafuta, komanso kusagwira bwino ntchito kwamankhwala.

Kutentha kokana moto:
The refractory kutentha kwa dongo graphite crucibles zambiri kufika pafupifupi 1200 ° C, pamene graphite silicon carbide crucibles akhoza kupirira kutentha pamwamba 1500 ° C. Izi zimapangitsa ma graphite silicon carbide crucibles kukhala oyenera kugwiritsa ntchito zomwe zimafuna kutentha kwambiri pakuyesa kwamankhwala ndi njira zama mafakitale.

Opanga mankhwala:
Mitundu yonse iwiri ya ma crucibles imawonetsa kusagwira bwino kwa mankhwala, kukhalabe okhazikika mu acid, alkali, ndi mchere wambiri komanso kugonjetsedwa ndi dzimbiri. Komabe, chigawo cha dongo mu ma graphite crucibles dongo chimapangitsa kuti zikhale zosavuta kuyamwa zinthu ndi zonyansa poyerekeza ndi graphite silicon carbide crucibles.

Thermal Conductivity:
Graphite imakhala ndi matenthedwe apamwamba kwambiri ndipo imatha kutulutsa kutentha mwachangu. Komabe, chifukwa cha mawonekedwe otayirira a dongo la graphite crucible, mawanga akuda amatha kuwonekera pamwamba pake ndipo amafuna kuyeretsedwa pafupipafupi. Mosiyana ndi izi, ma graphite silicon carbide crucibles amakhala ndi matenthedwe otsika ndipo sasiya madontho pamwamba. Kuonjezera apo, kuuma kwawo kwakukulu kumalepheretsa kuvala ndi kusinthika.

Sankhani crucible yoyenera:
Posankha mankhwala a labotale crucible, zofunikira zenizeni ziyenera kuganiziridwa. Ma crucibles a Clay graphite ndi oyenera kuyeserera kwa chemistry, pomwe ma graphite silicon carbide crucibles ndi abwino pazoyeserera zomwe zimafuna kutentha kwambiri komanso zovuta zambiri. Ndikofunikira kutsatira mosamalitsa malangizo ogwiritsira ntchito kupewa kuyesa kulephera chifukwa cha ntchito yosayenera.

Mwachidule, kumvetsetsa kusiyana pakati pa ma graphite crucibles a dongo ndi ma graphite silicon carbide crucibles ndikofunikira posankha crucible yoyenera kwambiri pa labotale kapena ntchito zamakampani. Poganizira zinthu monga kutentha kwa refractory, inertness ya mankhwala ndi matenthedwe matenthedwe, ochita kafukufuku ndi akatswiri a mafakitale amatha kupanga zisankho zabwino kuti atsimikizire kupambana ndi chitetezo cha zoyesera ndi njira.