我公司生产的烧结铬刚玉砖以α-Al2O3为原料,加入适量氧化铬粉和铬刚玉熟料细粉,经高压成型,在高温下烧成。广泛应用于玻璃窑内衬、拉丝玻璃流液洞盖板砖和用于铁水预处理装置、垃圾焚烧炉、碳黑炉、水煤浆加压气化炉背衬等,深受用户好评。
铬质砖
Series ChromeBrick
项目Ltem | 高氧化铬砖 High Cr2O3 | 铬刚玉砖Chrome-Corundum |
Cr2O3 % | ≥93 | ≥50 | ≥30 | ≥12 |
AL2O3 % | - | ≤39 | ≤68 | ≥80 |
Fe2O3 % | - | ≤0.2 | ≤0.2 | ≤0.5 |
体积密度g/cm3 Bulk density | ≥4.3 | ≥3.45 | ≥3.53 | ≥3.3 |
显气孔率% Apparent porosity | ≤17 | ≤18 | ≤16 | ≤18 |
常温耐压强度MPa Cold crushing strength | ≥100 | ≥130 | ≥130 | ≥120 |
荷重软化开始温度℃(0.2MPa,0.6%) Refractoriness under load | ≥1680 | ≥1700 | ≥1700 | ≥1700 |
重烧线变化率% (1600℃x3h) Reheating linear change | ±0.2 | ±0.2 | ±0.2 | ±0.2
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