- 17
- Sep
Ladrillo cuadriculado de aluminio alto para estufa de chorro de agua caliente
Ladrillo cuadriculado de aluminio alto para estufa de chorro de agua caliente
Product advantages: good volume stability, excellent high temperature load creep performance, high density and low porosity.
Descripción del producto
High-aluminum checker bricks for hot blast stoves are currently widely recognized and accepted by the world’s ironmaking industry as a heat-carrying heat storage body with many superior thermal characteristics, such as strong heat exchange capacity, large heat storage area, smooth ventilation, and low resistance. The high-aluminum checker brick for hot blast stove is a kind of heat transfer medium, which is mainly used in the middle and upper part of the regenerator of hot blast stove to store heat. In the process of heating cold air into hot air, it plays an extremely important role.
Indicadores físicos y químicos
Rango / Índice | Ladrillo de alto contenido de alúmina | Ladrillo secundario con alto contenido de alúmina | Ladrillo de tres niveles con alto contenido de alúmina | Ladrillo súper alto en alúmina |
LZ-75 | LZ-65 | LZ-55 | LZ-80 | |
AL203 ≧ | 75 | 65 | 55 | 80 |
Fe203% | 2.5 | 2.5 | 2.6 | 2.0 |
Densidad aparente g / cm2 | 2.5 | 2.4 | 2.2 | 2.7 |
Resistencia a la compresión a temperatura ambiente MPa> | 70 | 60 | 50 | 80 |
Carga temperatura de ablandamiento ° C | 1520 | 1480 | 1420 | 1530 |
Refractariedad ° C> | 1790 | 1770 | 1770 | 1790 |
% De porosidad aparente | 24 | 24 | 26 | 22 |
Tasa de cambio de línea permanente de calefacción% | hasta el 0.3 | hasta el 0.4 | hasta el 0.4 | hasta el 0.2 |