公司研制的水泥窑用系列耐火材料具有耐碱侵蚀、耐剥落、耐冲刷、使用寿命长等特点,可广泛应用于水泥回转窑烧成带、过渡带、卸料口。
Refractory for cement kiln developed by this factory has such advantages as alkalpiroof ,antipelling,abrasion-resistance and long service life ,which can be used as burnt belt ,intermediate belt and the mouth of unloading for cement rotary kiln .
指标/牌号 | 直接结合镁铬砖 | 普通镁铬砖 | 铝镁尖晶石砖 | 不烧镁铬砖 | 水玻璃
结合镁砖 | 镁锆砖 |
HDMC-7 | HDMC-12 | HML-75 | HBMG-12 | HBMG-8 | HM-B | HMZR |
MgO % | ≥75 | ≥55 | ≥75 | ≥62 | ≥65 | ≥85 | 76-85 |
SiO2 % | ≤2.5 | ≤6.0 | ≤1.8 | ≤5 | ≤4 | ≤5 | 6.5-13
ZrO2 |
Cr2O3 % | ≥7 | ≥12 | | ≥12 | ≥8 | | |
Al2O3 % | | | ≥10 | ≥10 | ≥10 | ≤6 | |
体积密度 g/cm3 | | ≥2.95 | ≥2.95 | ≥3.15 | ≥3.0 | 2.85 | 3.17-3.25 |
显气孔率% | | ≤18 | ≤18 | ≤16 | ≤18 | 17-19 | 12-14 |
冷压强度Mpa | ≥40 | ≥24.5 | ≥45 | ≥60 | ≥50 | ≥60 | ≥90 |
荷重软化温度℃ | ≥1620 | ≥1550 | ≥1700 | ≥1550 | ≥1530 | ≥1440 | ≥1640 |
线膨胀率%(1000℃) | 0.96 | 1.2 | 0.91 | 1.2 | 1.2 | | |
抗热震性(1100℃水冷)次 | ≥8 | ≥15 | ≥5 | ≥10 | ≥4 | | |