Bauxite

Bauxite (bauxite ore) yana nufin kalmar gama gari don ma'adanai waɗanda za'a iya amfani da su a masana'antu, galibi sun ƙunshi gibbsite, boehmite, ko diaspore.

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Bauxite (bauxite ore) yana nufin kalmar gama gari don ma'adanai waɗanda za'a iya amfani da su a masana'antu, galibi sun ƙunshi gibbsite, boehmite, ko diaspore. Albarkatun da ba za a iya sabuntawa ba ce. Pure bauxite fari ne mai launi kuma yana iya fitowa launin toka mai haske, koren haske, ko ja mai haske saboda datti daban-daban. Bauxite yana da aikace-aikacen masana'antu da yawa. A gefe guda, shi ne babban kayan da ake samar da alumina, wanda kuma ke samar da aluminum. A daya hannun, shi ne yadu amfani da matsayin albarkatun kasa a masana'antu kamar refractory kayan, Fused corundum, nika kayan, yumbu kayayyakin, sinadaran kayayyakin, da kuma high alumina slurry.

Calcined bauxite contains hydrated alumina and aluminum hydroxide, obtained by calcining high-quality bauxite at high temperatures (85°C to 1600°C) in a rotary kiln. It is one of the main raw materials for producing aluminum. Compared with the original bauxite, after removing moisture through calcination, the alumina content of the calcined bauxite can be increased from about 57% to 58% of the original bauxite to 84% to 88%.

Alamomin samfur

Bauxite	Girman (mm)	Al2O3(%)	SiO2(%)	Babban (%)	Fe2O3(%)	MC (%)
88	0-1,1-3,3-5	：88	<9	<0.2	<3	<2
85	0-1,1-3,3-5	：85	<7	<0.2	<2.5	<2

Aikace-aikace

Aluminum masana'antu: bauxite yana da babban abun ciki na aluminum kuma yana da mahimmancin albarkatun kasa don masana'antar smelting na aluminum;
2. Daidaitaccen simintin gyare-gyare: za'a iya yin bauxite zuwa nau'i-nau'i daban-daban na simintin gyare-gyare bayan sarrafawa, galibi ana amfani da su a cikin sadarwa, kayan aiki, injina da masana'antar kayan aiki;
3. Refractory abu: bauxite yana da kyawawan kaddarorin irin su ƙananan haɓakar thermal, haɓaka mai ƙarfi, da kwanciyar hankali mai girma, yana mai da shi albarkatun ƙasa na yau da kullun don kayan haɓakawa. Ana amfani da kayan da aka yi da shi sosai a cikin ƙarfe, ƙarfe mara ƙarfe, man fetur, sinadarai da sauran filayen masana'antu.
4. Kayan gini: foda bauxite na iya inganta ƙarfi da taurin kayan kamar su siminti, turmi, da kankare, yayin da kuma haɓaka ƙarfin su da juriya na lalata.