Magnesite chrome block imagwiritsa ntchito magnesia ndi chromic oxide yabwino ngati zopangira, zomwe zimapangidwa kudzera mu kukanikiza kwambiri ndikuwotchedwa kutentha kwambiri. Njerwa za magnesia chrome zili ndi mawonekedwe a kristalo yayikulu komanso kuthamanga kwakukulu kwa ma bonding. Ndipo njerwa za magnesite chrome fire zili ndi kukana bwino kusweka komanso kukana kukokoloka kwa asidi komanso alkaline yochepa. Magnesite chrome block ndi njerwa yabwino kwambiri yopangira zinthu zokongola kuchokera mu ng'anjo, ng'anjo yamagetsi, ng'anjo yagalasi, ng'anjo yosungunuka ndi ng'anjo yozungulira ya simenti.
Chifukwa cha mtundu wa njerwa za magnesia chrome, njerwa za magnesia chrome zimagawidwa m'magawo awiri: njerwa za magnesia chrome wamba, njerwa za magnesia chrome zolumikizidwa mwachindunji, njerwa za magnesia chrome zolumikizidwa theka, njerwa za magnesia chrome zolumikizidwanso ndi zina zotero.
Njerwa za Magnesia chrome zimapangidwa ndi zinthu zomangiriridwa pamodzi, ndipo zimachotsa kutayirira komwe kumachitika chifukwa cha kukula kwa spinel pochita MgO ndi Cr2O3, Al2O3 kapena FeO. Kuphatikiza apo, palinso njerwa za magnesite chrome zosapsa monga magnesite chrome block yosapsa imapangidwa ndi yankho la magnesia saline. Ndipo njerwa za magnesia chrome zosapsa ndi zophweka komanso zotsika mtengo. Mtundu uwu wa njerwa za magnesia chrome uli ndi kutentha kwakukulu, koma mphamvu yake yotentha ndi yotsika kuposa njerwa za magnesia chrome zopsa.
Njerwa ya chrome ya magnesite yodziwika bwino
| Zinthu | Zizindikiro zakuthupi ndi zamankhwala | |||||
| MGe-16A | MGe-16B | MGe-12A | MGe-12B | MGe-8A | MGe-8B | |
| MgO % ≥ | 60 | 45 | 60 | 55 | 65 | 60 |
| Cr2O3 % ≥ | 16 | 16 | 12 | 12 | 8 | 8 |
| Kuoneka ngati Porosity % ≤ | 19 | 22 | 19 | 21 | 19 | 21 |
| Mphamvu Yopondereza Yozizira MPa≥ | 35 | 25 | 35 | 30 | 35 | 30 |
| Kusakhazikika kwa Refractoriness Pansi pa Katundu °C≥ | 1650 | 1550 | 1650 | 1550 | 1650 | 1530 |
Njerwa ya chrome ya magnesite yolumikizidwa mwachindunji
| Zinthu | Zizindikiro zakuthupi ndi zamankhwala | ||||||
| ZMGe-16A | ZMGe-16B | ZMGe-12A | ZMGe-12B | ZMGe-8A | ZMGe-8B | ZMGe-6 | |
| MgO % ≥ | 60 | 58 | 68 | 65 | 75 | 70 | 75 |
| Cr2O3 % ≥ | 16 | 16 | 12 | 12 | 8 | 8 | 6 |
| SiO2% | 1.5 | 2.5 | 1.5 | 2.5 | 1.5 | 2.5 | 2.5 |
| Kuoneka ngati Porosity % ≤ | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Mphamvu Yopondereza Yozizira MPa ≥ | 40 | 40 | 45 | 45 | 45 | 45 | 45 |
| Kusakhazikika kwa mpweya pansi pa katundu °C ≥ | 1700 | 1650 | 1700 | 1650 | 1700 | 1650 | 1700 |
Njerwa ya Magnesia chrome imagwiritsidwa ntchito kwambiri m'makampani opanga zitsulo, monga kumanga ng'anjo yotseguka, pamwamba pa ng'anjo yamagetsi, pogwiritsa ntchito zinthu zapamwamba komanso mitundu yonse ya ng'anjo yosungunulira yopanda ferrous. Magnesite chrome block imagwiritsidwanso ntchito pamalo oyaka moto a ng'anjo ya simenti yozungulira komanso chipinda chobwezeretsa cha ng'anjo yagalasi.
Fakitale ya RS Refractory ndi kampani yogulitsa njerwa za magnesia chrome yomwe idakhazikitsidwa kumayambiriro kwa zaka za m'ma 90. Fakitale ya RS Refractory yakhala ikugwira ntchito yokonza njerwa za magnesite chrome kwa zaka zoposa 20. Ngati mukufuna magnesite chrome block, kapena muli ndi mafunso okhudza magnesia chrome stone yokhudza zizindikiro zakuthupi ndi mankhwala, chonde titumizireni kwaulere. Fakitale ya Rs Refractory monga katswiri wopanga njerwa za magnesite chrome ku China, ili ndi zabwino zina zopikisana nazo motere: