刚玉莫来石砖描述
科瑞刚玉莫来石砖是一种优质窑炉耐火砖，以高纯度莫来石和刚玉为主要原料，配以适当的氧化铝和硅粉为粘结剂，经高温烧成而成。刚玉莫来石砖呈白色，尺寸精确。它广泛应用于钢铁、水泥等高温行业，可延长窑炉的使用寿命。
科瑞刚玉莫来石砖的技术数据
| 项目/索引 | 莫来石砖 | 重新烧结熔融莫来石砖 | 莫来石-刚玉砖 | 刚玉莫来石砖 |
|---|---|---|---|---|
| Al2O3 | ≥70% | ≥75% | ≥80% | ≥90% |
| 二氧化硅 | ≤25% | ≤23% | ≤18% | ≤8% |
| Fe2O3 | ≤0.5% | ≤0.5% | ≤0.5% | ≤0.3% |
| 表观孔隙率 | ≤17% | ≤14% | ≤19% | ≤18% |
| 体积密度 | ≥2.55克/厘米 | ≥2.65克/厘米 | ≥2.70克/厘米 | ≥2.90克/厘米 |
| 冷碾强度 | ≥90MPa | ≥100MPa | ≥80MPa | ≥100MPa |
| 负载下的初始耐火度 | ≥1630℃ | ≥1700℃ | ≥1650℃ | ≥1700℃ |
刚玉莫来石砖的应用
1. Iron and steel metallurgical industry: linings of blast furnaces, hot blast furnaces, etc.
2. Petrochemical industry: cracking furnaces, converters, etc.
3. Power industry: as refractory linings for boilers and steam turbines.
4. Glass and ceramics industry: glass kilns, ceramic kilns. Also used in high-temperature equipment such as aerospace and nuclear industries.
刚玉莫来石砖的优点
1.High refractoriness
2.Good thermal stability
3.Excellent mechanical properties
4.Strong corrosion resistance
