Njerwa ya Chrome corundum imatanthawuza chinthu chotsutsa cha corundum chokhala ndi Cr2O3. Pa kutentha kwambiri, Cr2O3 ndi Al2O3 amapanga njira yokhazikika yokhazikika, kotero kutentha kwapamwamba kwa zinthu za chrome corundum ndikwabwino kuposa zazinthu za corundum. Njerwa yamoto ya Chrome corundum yomwe imagwiritsidwa ntchito mu petrochemical gasifier iyenera kukhala ya silicon yochepa, chitsulo chochepa, alkali yochepa komanso yoyera kwambiri, ndipo ikhale ndi kachulukidwe ndi mphamvu zambiri. Zomwe zili mu Cr2O3 zili mu 9% ~ 15%
Zinthu za Njerwa za Chrome Corundum
- Kukana kwambiri moto,
- Kutentha kwakukulu,
- Kulimbana kwabwino kwa kuvala,
- Kukana kwabwino kwa kutentha kwa kutentha,
- zabwino za asidi ndi alkali kukana,
- Kukhazikika kwamankhwala abwino.
Njira Yopangira Njerwa ya Chrome Corundum
Njerwa ya Chrome corundum imakonzedwa ndi post-al2o3, kuwonjezera kuchuluka kwa chromium oxide ufa ndi ufa wabwino wa chrome corundum clinker, womwe umapangidwa ndikuwotchedwa kutentha kwambiri. Zomwe zili mu njerwa ya chromic oxide mu njerwa ya sintered chrome nthawi zambiri zimakhala zotsika kuposa njerwa zosakanikirana za chrome corundum. Chrome corundum block imagwiritsanso ntchito njira yopangira matope, alpha Al2O3 ufa ndi chrome oxide powder kusakaniza, kuwonjezera guluu ndi zomatira za organic zopangidwa kuchokera kumatope ambiri, nthawi yomweyo gawo la chromium corundum clinker, polowa mu adobe, kuwombera kachiwiri.
Zofotokozera za Njerwa za Chrome Corundum
| Kufotokozera kwa njerwa ya Chrome corundum | |||
| Zinthu | Njerwa ya Chrome-Corundum | ||
| Al2O3 % | ≤38 | ≤68 | ≤80 |
| Cr2O3 % | ≥60 | ≥30 | ≥12 |
| Fe2O3 % | ≤0.2 | ≤0.2 | ≤0.5 |
| Kuchulukana kwakukulu, g/cm3 | 3.63 | 3.53 | 3.3 |
| Cold compressive mphamvu MPa | 130 | 130 | 120 |
| Refractoriness pansi Katundu (0.2MPa ℃) | 1700 | 1700 | 1700 |
| Kusintha kwa Linear kosatha(%) 1600°C×3h | ±0.2 | ±0.2 | ±0.2 |
| Kuwoneka porosity% | 14 | 16 | 18 |
| Kugwiritsa ntchito | Kutentha kwambiri kwa mafakitale ng'anjo | ||
Kugwiritsa ntchito njerwa ya Chrome Corundum kwa Ng'anjo
Njerwa ya Chrome corundum imagwiritsidwa ntchito makamaka m'malo omwe amafunikira kuti abrasion kwambiri komanso kukana kutentha, monga njerwa zowuluka muzitsulo zazitsulo zopukutira, ng'anjo yachitsulo yolumikizira nsanja, komanso ngati mkati mwa owononga, mu ng'anjo ya mwaye wa kaboni. ndi ng'anjo yonyezimira yamkuwa ya ng'anjo ya mphero, kutenthetsanso njanji ya ng'anjo.
