Keywords Annular shaft kiln for active lime;Calcining zone;MgO-Al2O3 spinel;Thermal shock resistance;Corrosion resistance to lime under high temperature;Wear resistance;

• 活性石灰套筒窑;煅烧带;镁铝尖晶石;热震稳定性;高温抗石灰侵蚀性;耐磨性能;