// SPEC · 耐火砖
热风炉硅砖 SiO2 95%
SiO2≥95%热风炉硅砖，专为高炉热风炉炉顶和燃烧室内衬设计，荷重软化温度高，抗热疲劳性强，残余收缩低，适用于大型炼铁热风炉，使用寿命长。
// 主要特性
- High refractoriness under load for sustained hot blast dome temperatures
- Excellent thermal fatigue resistance for cyclic heating and cooling operation
- Low residual shrinkage maintaining tight joint integrity over long campaigns
- Optimised apparent porosity balancing thermal insulation and structural strength
// 技术规格
| SiO2 (%) | ≥95.0 |
| Al2O3 (%) | ≤0.8 |
| Apparent Porosity (%) | ≤22 |
| True Density (g/cm³) | ≤2.34 |
| Cold Crushing Strength (MPa) | ≥30 |
// 应用领域
Hot blast stove dome liningHot blast stove combustion chamber wallCowper stove checker brick support archBlast furnace hot blast main valve housingSteel plant regenerative burner refractory housing
// 快速规格
最高温度1620°C
导热系数1.28 W/(m·K) at 600°C
体积密度2.33 g/cm³
执行标准YB/T 4038
// 获取报价