The impact pot has double function used as impact brick and slag wall. By changing the flow field of the molten steel in the tundish, especially near in the impact zone, to accelerate the floating speed of the inclusions in the molten steel, and achieve the effect of purifying the molten steel.
Main physical and chemical performance index:
Index |
Magnesia |
Alumina magnesia |
Magnesia siliceous |
Corundum |
|
MgO % ≥ |
80 |
40 |
--- |
--- |
|
Al2O3 % ≥ |
--- |
45 |
--- |
85 |
|
MgO+SiO2 % ≥ |
--- |
--- |
85 |
--- |
|
Bulk density g/cm3 ≥ |
2.85 |
2.85 |
2.70 |
2.95 |
|
CCS MPa ≥ |
110℃×24h |
50 |
50 |
30 |
70 |
|
1550℃×3h |
55 |
40 |
30 |
90 |
Linear change after heating % |
1550℃×3h |
±1.5 |
±1.5 |
±1.5 |
±1.5 |