水泥行业用耐火材料.ppt

水泥行业用耐火材料 Cement Kiln Material Basicity Refractory Brick for Clinkering Zones in Cement Kilns水泥回转窑用烧成带用碱性耐火砖 Brand name Item Direct bonding magnesia-chreme brick 直接结合镁铬砖 General magnesia-chrome brick 普通镁铬砖 Magnesia-alumina spinel brick 镁铝尖晶石砖 Unburned magnesia-chrome brick 不烧镁铬砖 Magenesia-zircon brick 镁锆砖 XDMC-7 XDMC-12 XML-75 XBMG-12 XBMG-8 XMZR MgO ≥% 75 70 75 62 65 76 SiO2≤% 2.5 3.0 1.8 3.5 3.1 ZrO212 Cr2O3≤% 7 12 12 8 Al2O3≥% 10 Bulk density≥g/cm3 体积密度 3.0 2.95 2.95 3.15 3.0 3.2 Apparent porosity 显气孔率 18 20 18 16 18 16 Cold crushing strength≥MPa 耐压强度 40 40 45 60 50 80 Refractoriness under load≥℃ 0.2MPa荷重软化温度 1650 1650 1680 1550 1530 1640 Thermal shock resistances water cycle热震稳定性 6 4 18 10 5-11 ★ Alkali-Resistant Brick for Cement Kilns水泥回转窑用耐碱耐火砖 Name Item 普通耐碱砖 Alkali-resistant brick 高强耐碱砖 High-strength alkali resistant brick 拱顶耐碱砖 Arch alkali resistant brick XNJ-30 XNJ-30G XNJ-35D Al2O3 % 25-30 25-30 30-35 SiO2 % 60-70 60-70 Fe2O3 ≤% 2 Apparent porosity 显气孔率 25 Cold crushing strength ≥MPa 常温耐压强度 35 70 40 Bulk density ≥g/cm3 体积密度 2.1 2.2 2.2 Linear change after heating 1200℃*2h% 重烧线变化率 +0.2~-0.2 +0.15~-0.15 +0.15~-0.15 Refractoriness ℃ 耐火度 1650 1650 1700 Refractoriness under load≥℃0.2MPa 荷重软化温度≥℃ 1230 1250 1280 Thermal shock resistances water cycle 热震稳定性（1100℃-水冷） 10 - - Unshaped Refractory for Cement Kilns水泥回转窑用不定形耐火材料 Name Item 刚玉质浇注料 Corundum castable 高铝质浇注料 High Alumina castable 刚纤维增强浇注料 Castable with steel fibres 耐碱浇注料 Alkali-resistance castable 高强型High-strength XAJ-93 低水泥型Low-cement XAJ-93D 普通型Ordinary XLJC-65 低水泥型Low-cement XLJC-65D 普通型Ordinary XFAJ 低水泥型Low-cement XFAJC-D 普通型Ordinary XJC13 低水泥型Low-cement XJC13D? Al2O3 ≥% 93 93 65 65 70 70 48 48 SiO2 ≤% 0.5 1.0 50 50 CaO ≤% 4.0 Crushing strength ≥MPa 耐压强度 110℃ 80 60 40 80 70 70 40 70 1100℃ 100 70 25 80 40 70 30 70 1500℃ 120 100 Bending strength≥MPa 抗折强度 110℃ 8 6 4 10 9 10 5 7 1100℃ 9 7 2.5 12 5.5 10 3 8 1500℃ 10 9 Linea