Ana samar da tubalin alumina mai tsayi da zaɓaɓɓun chamotte na bauxite a matsayin babban kayan albarkatun ƙasa, wanda aka kunna a zafin 1450-1470°C ta hanyar ingantaccen tsari tare da ingantaccen iko. Ana ƙera tubalin wuta na Alumina mai tsayi da alumina ko wasu kayan albarkatun ƙasa waɗanda ke ɗauke da mafi yawan abubuwan alumina ta hanyar ƙera da harbawa. Saboda yanayinsa mai tsaka-tsaki na juriyar alumina, juriyar alumina na iya tsayayya da juriyar yashewar acid.
Tsarin Bulo Mai Alumina Mai Kyau
Yi amfani da chamotte ɗin da aka tace sannan a tace kafin a karya, wanda hakan zai iya inganta ingancin tubalin alumina. Domin akwai ƙarin adadin sinadaran da za su iya kaiwa kashi 90 zuwa 95%. A zaɓi kuma a tantance goge goge kafin a niƙa goge goge.
Maki Uku na Babban Bulo na Alumina
Dangane da nau'ikan abubuwan da ke cikin Al2O3 daban-daban, ana iya rarraba tubalin alumina masu girma zuwa matakai uku a China.
Tubalan Alumina na Grade I High suna da fiye da kashi 75% na abun ciki na Al2O3.
Bulo na Alumina Mai Girma na Grade II yana da abun ciki na Al2O3 na 60-75%.
Bulo na Alumina Mai Girma na Grade III yana da abun ciki na Al2O3 na 48 ~ 60%.
Siffofin Babban Brick Alumina
Bulo mai girman alumina yana da kyawawan fasaloli kamar aikin zafin jiki mai yawa, juriyar tsatsa da lalacewa, yawan taro mai yawa, ƙarancin ƙarfe, da sauransu.
| Abubuwa | Bulo mai girman alumini na farko | Bulo mai girman alumini na aji na biyu | Bulo mai girman alumini na aji na uku | Bulo na musamman na aluminum mai ƙarfi |
| LZ-75 | LZ-65 | LZ-55 | LZ-80 | |
| Al2O3% ≥ | 75 | 65 | 55 | 82 |
| Fe2O3% ≤ | 2.5 | 2.5 | 2.6 | 2.0 |
| Yawan yawa g/cm3 | 2.5 | 2.4 | 2.3 | 2.6 |
| Ƙarfin Murkushewar Sanyi MPa ≥ | 70 | 60 | 50 | 80 |
| 0.2MPa Refractoriness a ƙarƙashin Load ℃ | 1510 | 1460 | 1420 | 1550 |
| Rashin juriya ℃ ≥ | 1790 | 1770 | 1770 | 1790 |
| Bayyanannen Porosity % ≤ | 22 | 23 | 24 | 21 |
| Sake dumamawa Canjin layi 1450℃×2h% | -0.3 | -0.4 | -0.4 | -0.2 |
Aikace-aikacen Bulo na Alumina Mai Girma
Ana iya amfani da tubalin alumina mai ƙarfi a cikin tanderun fashewa, murhun wuta mai zafi, tanda mai amfani da wutar lantarki. Haka kuma tubalin wuta mai ƙarfi na alumina da ake amfani da su a fannoni kamar ƙarfe da ƙarfe, ba ƙarfe ba, gilashi, siminti, yumbu, sinadarai na fetur, injina, tukunyar jirgi, masana'antar haske, wutar lantarki, da masana'antar soja da sauransu.
