Emepụtara site na nnukwu ịdị ọcha magnesia na usoro Bayer alumina na nnukwu ọkụ ọkụ eletrik. O nwere ihe ntughari mara mma, enwere ike iji ya mepụta Bricks na Castables na mpaghara ebe nguzogide slag bụ isi.
Dị ka: N'elu ụlọ nke EAF na isi ikuku oxygen, Steel ladle, etiti mpaghara nke ciment rotary kiln, wdg.
ITEM | UNIT | Ụdị | ||||
AM-70 | AM-65 | AM-85 | AM90 | |||
Chemical mejupụtara | Al2O3 | % | 71-76 | 63-68 | 82-87 | 88-92 |
MgO | % | 22-27 | 31-35 | 12-17 | 8-12 | |
CaO | % | 0.65 kacha | 0.80 kacha | 0.50 kacha | 0.40 kacha | |
Fe2O3 | % | 0.40 kacha | 0.45 kacha | 0.40 kacha | 0.40 kacha | |
SiO2 | % | 0.40 kacha | 0.50 kacha | 0.40 kacha | 0.25 kacha | |
NaO2 | % | 0.40 kacha | 0.50 kacha | 0.50 kacha | 0.50 kacha | |
Nnukwu njupụta g/cm3 | Nkeji 3.3 | Nkeji 3.3 | Nkeji 3.3 | Nkeji 3.3 |
'S' ----n'ime; F ---agwakọta ; M------magnesia; A----alumina; B---- bauxite
Iwebata ngwaahịa:Fused magnesia-aluminom spinel bụ nke dị elu sodium alumina alumina dị elu dị ọcha na-ere ọkụ magnesia ntụ ntụ dị ka akụrụngwa, ma gbazee n'ọkụ ọkụ eletrik dị elu karịa 2000 ℃.
Njirimara ngwaahịa:elu okpomọkụ na-eguzogide, nnukwu ahụ njupụta, ala mmiri absorption, obere thermal mgbasa ọnụọgụ, ezigbo thermal ujo kwụsie ike, ike corrosion iguzogide na slag iguzogide.
N'iji ya tụnyere usoro nchikota iji mebie spinel, usoro electrofusion nwere okpomọkụ calcination dị elu, ihe dị ka 2000 Celsius C, nke na-eme ka ọkpụkpụ spinel dị ntakịrị, na-enwe nnukwu njupụta dị elu, ma na-eguzogide ọgwụ hydration. Usoro ahụ yiri usoro ịgbanye ọkpụkpụ iji mepụta spinel.
Akụrụngwa ndị a na-ejikarị alumina ụlọ ọrụ mmepụta ihe na ntụ ntụ magnesium oxide na-ere ọkụ dị elu.
Eji ngwaahịa:Ọ na-ọtụtụ-eji nchara agbaze, ọkụ ọkụ elu ụlọ, ladle, ciment rotary kiln, iko ulo oru oku na metallurgical ụlọ ọrụ, etc.It bụ ezigbo ihe maka n'ichepụta na-aga n'ihu nkedo.
skateboards, brik nozzles, brik ladle lining na brik ọkụ dị larịị, yana nnukwu simenti akụrụngwa akụrụngwa maka kilns, brik ngbanwe mpaghara mkpuchi nke cement kiln nke ọkara, ihe nkedo na-atụgharị na brik arịa ụlọ dị elu na nke ọkara.
Mmepụta ụlọ ọrụ nke fused aluminum magnesium spinel nwere ọtụtụ ọkwa, dị ka ihe ndị ọrụ chọrọ si dị, nha urughuru, enwere ike imepụta ịdị mma na achọrọ.