Taphole Clay /Water-Free Taphole Clay
Refractory Taphole Clay /Water-Free Taphole Clay for Iron Making is a kind of refractory material used to block the iron outlet. Refractory Taphole Clay /Waterless Taphole Clay for Iron Making can be divided into two types: water taphole clay and waterless taphole clay. The water taphole clay is used in small and medium-sized blast furnaces with a lower top pressure and lower strengthening smelting. The Waterless taphole clay used on large and medium blast furnaces with higher top pressure and higher smelting intensity.
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Description
Refractory Taphole Clay /Water-Free Taphole Clay for Iron Making is a kind of refractory material used to block the iron outlet. Refractory Taphole Clay /Waterless Taphole Clay for Iron Making can be divided into two types: water taphole clay and waterless taphole clay. The water taphole clay is used in small and medium-sized blast furnaces with a lower top pressure and lower strengthening smelting. The Waterless taphole clay used on large and medium blast furnaces with higher top pressure and higher smelting intensity.
Specification
| Item | Data | |
| HT-1 | HT-2 | |
| Al2O3, % | ≥35 | ≥33 |
| SiC+C, % | ≥30 | ≥32 |
| Apparent Porosity, 1450ºC×3h, % | ≤33 | ≤32 |
| Bulk Density,1450ºC×3h, g/cm3 | ≥1.8 | ≥1.9 |
| Cold Crushing Strength, 1450ºC×3h, Mpa |
≥4 | ≥5 |
| Bending Strength, 1450ºC×3h, Mpa |
≥2 | ≥2 |
| Linear Variation, 1450ºC×3h, % | ±2.0 | ±1.5 |
| Marshall Value, Mpa* | Test Data | |
Feature
1. High adhesion strength, Forming mushroom type mud balling inside tap hole to reduce the erosion of hot metal circulation to the hearth.
2. To extend the depth of the taphole, protecting the hearth;
3. The taphole can maintain and open easily, and the pass rate is high;
4. Resistance to erosion, good slag resistance;
5. Producing less smoke to reduce the harm to the worker body, help to improve the furnace working environment
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