Isingeniso esiyisisekelo se izitini zobumba eziphikisayo

Izitini zobumba zibhekisela emikhiqizweni yobumba enokuqukethwe kwe-Al2O3 kwe-30% -40% ye-aluminium silicate materials. Izitini zobumba zenziwe ngobumba obuthambile obungama-50% kanye ne-clinker yobumba eqinile engu-50%, ehlanganiswe ngokuvumelana nezidingo ezithile zosayizi wezinhlayiyana. Ngemuva kokubunjwa nokomiswa, bashiswa ekushiseni okuphezulu kwe-1300 ~ 1400 ℃. Ukwakhiwa kwamaminerali ezitini zobumba ikakhulukazi i-kaolinite (Al2O3 · 2SiO2 · 2H2O) kanye nokungcola okungu-6% ~ 7% (i-oxides ye-potassium, i-sodium, i-calcium, i-titanium, ne-iron). Inqubo yokudubula yezitini zobumba ngokuyinhloko inqubo yokuphelelwa amanzi emzimbeni okuqhubekayo kanye nokubola kwe-kaolin ukwenza amakristalu e-mullite (3Al2O3 · 2SiO2). I-SiO2 ne-Al2O3 esitini sobumba benza i-eutectic low-melting silicate enokungcola phakathi nenqubo yokudubula, ezungeza amakristalu e-mullite.

Izitini zobumba ziyimikhiqizo ye-acidic refractory ebuthakathaka, engamelana nokuguguleka kwe-acidic slag negesi ye-asidi, futhi ibe nokumelana okubuthakathaka kancane ezintweni ze-alkali. Izitini zobumba zinezakhiwo ezinhle ezishisayo futhi zimelana nokubanda okusheshayo nokushisa okusheshayo.