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High Alumina Brick For Coke Oven
Description
High-alumina bricks for coke ovens have low porosity, compactness, good thermal shock resistance, and a refractoriness of 1750-1790 °C. They are mainly used for masonry in the burner head of the coke oven combustion chamber and the bottom of the carbonization chamber.
Features
- Low porosity
- Good compactness
- Good thermal shock resistance
Specification
| Project | ||||
|---|---|---|---|---|
| AL2O3 (%) | 75 | 65 | 55 | 85 |
| Fe203 (%) | 2.5 | 2.5 | 2.6 | 2 |
| Bulk density g/cm³ | 2.5 | 2.4 | 2.3 | 2.6 |
| Normal temperature compressive strength MPa | 70 | 60 | 50 | 80 |
| Load softening temperature ℃ | 1510 | 1460 | 1420 | 1550 |
| Refractoriness ℃ | 1790 | 1770 | 1770 | 1790 |
| Apparent porosity (%) | 22 | 23 | 24 | 21 |
| Line rate of change (%) | -0.3 | -0.4 | -0.4 | -0.2 |
Application
Mainly used for masonry coke oven combustion chamber furnace head and carbonization chamber bottom and other parts.
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