Hoʻohana ka poloka chrome magnesite i ka magnesia maikaʻi a me ka chromic oxide ma ke ʻano he mea maka, i hoʻoheheʻe ʻia ma o ke kaomi kiʻekiʻe a puhi ʻia i ka mahana kiʻekiʻe. Loaʻa i nā piliki magnesia chrome nā hiʻohiʻona o ke kristal nui a me ka helu hoʻopili pololei kiʻekiʻe. A loaʻa i nā piliki ahi magnesite chrome ke kūpaʻa maikaʻi i ka haki a me ke kūpaʻa maikaʻi i ka ʻino ʻana o ka slag acid me ka waiwai alkaline haʻahaʻa. ʻO ka poloka chrome magnesite ka mea piliki lining kūpono no ka finery mai ka umu, ka umu uila, ka umu aniani, ka umu hoʻoheheʻe a me ka umu sima rotary.
Ma muli o ke ʻano o nā piliki magnesia chrome, ua māhele ʻia ka piliki magnesia chrome i nā piliki magnesia chrome maʻamau, nā piliki magnesia chrome i hoʻopaʻa pololei ʻia, nā piliki magnesia chrome semi-bonded, nā piliki magnesia chrome i hoʻopaʻa hou ʻia a pēlā aku.
Hana ʻia nā piliki magnesia chrome me nā mea sintered maʻamau i hoʻopaʻa ʻia, a hoʻopau i ka hopena wehe i hoʻokumu ʻia e ka hoʻonui ʻana i ka wā e hana ai i ka spinel ma o ka hopena o MgO a me Cr2O3, Al2O3 a i ʻole FeO. Eia kekahi, aia kekahi piliki magnesite chrome i puhi ʻole ʻia e like me ka poloka magnesite chrome i puhi ʻole ʻia i hana ʻia me ka hopena saline magnesia inorganic. a he maʻalahi a haʻahaʻa ke kumukūʻai o ka piliki magnesia chrome i puhi ʻole ʻia. Loaʻa i kēia ʻano piliki magnesia chrome ke kūpaʻa wela maikaʻi loa, akā ʻoi aku ka haʻahaʻa o kona ikaika wela kiʻekiʻe ma mua o ka piliki magnesia chrome i puhi ʻia.
Piliki chrome magnesite maʻamau
| Nā Mea | Nā ʻano kino a me nā kemika | |||||
| MGe-16A | MGe-16B | MGe-12A | MGe-12B | MGe-8A | MGe-8B | |
| MgʻO % ≥ | 60 | 45 | 60 | 55 | 65 | 60 |
| Cr2O3 % ≥ | 16 | 16 | 12 | 12 | 8 | 8 |
| ʻIke ʻia ka Porosity % ≤ | 19 | 22 | 19 | 21 | 19 | 21 |
| Ikaika Kuʻi Anu MPa≥ | 35 | 25 | 35 | 30 | 35 | 30 |
| Ka Paʻakikī o ke Kūpaʻa ma lalo o ka Ukana °C≥ | 1650 | 1550 | 1650 | 1550 | 1650 | 1530 |
Piliki chrome magnesite i hoʻopaʻa pololei ʻia
| Nā Mea | Nā ʻano kino a me nā kemika | ||||||
| ZMGe-16A | ZMGe-16B | ZMGe-12A | ZMGe-12B | ZMGe-8A | ZMGe-8B | ZMGe-6 | |
| MgʻO % ≥ | 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 |
| ʻIke ʻia ka Porosity % ≤ | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Ikaika Kuʻi Anu MPa ≥ | 40 | 40 | 45 | 45 | 45 | 45 | 45 |
| Ka Paʻakikī o ke Kūpaʻa ma lalo o ka Ukana °C ≥ | 1700 | 1650 | 1700 | 1650 | 1700 | 1650 | 1700 |
Hoʻohana nui ʻia ka pōhaku magnesia chrome i ka ʻoihana metallurgical, e like me ke kūkulu ʻana i ka umu kapuahi hāmama, ka umu luna o ka umu uila, mai nā mea nani a me nā ʻano umu hoʻoheheʻe hao ʻole. Hoʻohana ʻia ka poloka magnesite chrome ma ke kūlana o ka ʻāpana puhi o ka umu sima rotary a me ke keʻena regenerative o ka umu aniani.
ʻO ka hale hana kūpaʻa RS kahi mea hoʻolako piliki magnesia chrome ʻoihana i hoʻokumu ʻia i ka hoʻomaka ʻana o nā makahiki 90 o ke kenekulia iwakālua. Ua loea ka hale hana kūpaʻa RS i nā piliki ahi magnesite chrome no nā makahiki he 20 a ʻoi. Inā he makemake kou no ka poloka magnesite chrome, a i ʻole he mau nīnau kāu e pili ana i ka piliki magnesia chrome e pili ana i nā ʻōkuhi kino a me nā kemika, e ʻoluʻolu e kelepona mai iā mākou no ka manuahi. ʻO ka hale hana kūpaʻa Rs ma ke ʻano he mea hana piliki ahi magnesite chrome ʻoihana ma Kina, loaʻa iā ia kekahi mau pono hoʻokūkū penei: