1.High quality; 2. Good resistance to liquid steel; 3. Good crack resistance; 4. Competitive price
Refractories for Ladle Lining and Slag Line
This product mainly applies to the inside lining of coal-water slurry gasifier, it has excellent erosion-resistance to molten coal slag, airflow and various amboceptors. High chrome brick has good thermal shock resistance stability, good high temperature strength and volume stability, and can be used for a long time under the action of acid slag and vapour.
ITEM | Chrome-Alumina-Zirconia Brick | |
XKZ-90 | XKDZ-90 | |
Cr2O3 (%) ≥ | 85 | 85 |
ZrO2 (%) ≥ | 4.5 | 4.5 |
Fe2O3 (%) ≤ | 0.4 | 0.4 |
Al2O3 (%) ≥ | 4-6 | 4-6 |
A.P.,(%) ≤ | 16 | 16 |
B.D.,g/cm3 ≥ | 4.20 | 4.10 |
C.C.S. MPa ≥ | 120 | 100 |
Remarks, XKZ-90 stands for shell brick, XKDZ-90 stands for vault and cone bottom bricks | ||
Chrome-corundum brick mainly applies to the back lining of coal-water slurry gasifier, the product has the advantages of excellent erosion-resistance to molten coal slag, good thermal shock resistance stability, good high temperature strength and can be used for a long time under the action of acid slag and vapour.
ITEM | Chrome-Corundum Brick(XKC-12) | |
Cr2O3 (%) ≥ | 10 | |
Al2O3 (%) ≥ | 80 | |
A.P.,(%) ≤ | 20 | |
B.D.,g/cm3 ≥ | 3.20 | |
C.C.S. MPa ≥ | 120 |
Alumina bubble brick mainly applies to the insulation layer of coal-water slurry gasifier, it has the advantages of high compressive strength, excellent thermal insulation, low thermal conductivity, good performance at high temperature and it can be used under high temperature and high pressure and reducing atmosphere for a long time.
ITEM | Alumina Bubble Brick(XAlQ100) | ||
LK-1.4 | LK-1.8 | ||
Al2O3 % ≥ | 98.0 | 98.0 | |
Fe2O3 % ≤ | 0.5 | 0.5 | |
SiO2 % ≤ | 0.5 | 0.5 | |
Refractoriness °C ≥ | 1790 | 1790 | |
Volume g/cm3 | 1.3~1.4 | 1.7~1.8 | |
0.1Mpa Refractoriness under Load °C ≥ | 1600 | 1700 | |
1600°C×2h Linear Change after Reheating, % ≥ | 0~0.3 | 0~0.15 | |
Thermal Conductivity | 1100°C | ---- | 0.7~0.8
|
1200°C | 0.6~0.7 | ---- | |
A.P. % ≥ | 60 | 45 | |
C.C.S. MPa ≥ | 4.4 | 9.8 | |
Maximum Operation Temperature °C | 1700 | 1800 | |
Remarks, The thermal conductivity is a test data got through flat band method, for your reference only. | |||
Ladle Lining Brick
