- 17
- Sep
Brique à carreaux en aluminium haute pour poêle à air chaud
Brique à carreaux en aluminium haute pour poêle à air chaud
Product advantages: good volume stability, excellent high temperature load creep performance, high density and low porosity.
Description du produit
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.
Indicateurs physiques et chimiques
Rang/Index | Brique à haute teneur en alumine | Brique secondaire à haute teneur en alumine | Brique à haute teneur en alumine à trois niveaux | Brique à très haute teneur en alumine |
LZ-75 | LZ-65 | LZ-55 | LZ-80 | |
AL203 | 75 | 65 | 55 | 80 |
Fe203% | 2.5 | 2.5 | 2.6 | 2.0 |
Masse volumique en vrac g / cm2 | 2.5 | 2.4 | 2.2 | 2.7 |
Résistance à la compression à température ambiante MPa> | 70 | 60 | 50 | 80 |
Charge de ramollissement °C | 1520 | 1480 | 1420 | 1530 |
Réfractarité °C> | 1790 | 1770 | 1770 | 1790 |
Porosité apparente% | 24 | 24 | 26 | 22 |
Taux de changement de ligne permanent de chauffage% | -0.3 | -0.4 | -0.4 | -0.2 |