site logo

Teglstein i høy aluminium for varmblåstovn

Teglstein i høy aluminium for varmblåstovn

Product advantages: good volume stability, excellent high temperature load creep performance, high density and low porosity.

produktbeskrivelse

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.

Fysiske og kjemiske indikatorer

Rangering/indeks Høy aluminiumoksyd murstein Sekundær murstein av høy aluminiumoksyd Tre-nivå høy alumina murstein Super høy aluminiumoksidstein
LZ-75 LZ-65 LZ-55 LZ-80
AL203 ≧ 75 65 55 80
Fe203% 2.5 2.5 2.6 2.0
Bulk tetthet g / cm2 2.5 2.4 2.2 2.7
Trykkfasthet ved romtemperatur MPa> 70 60 50 80
Lastmykningstemperatur ° C 1520 1480 1420 1530
Ildfasthet ° C> 1790 1770 1770 1790
Tilsynelatende porøsitet% 24 24 26 22
Varme permanent linje endringsrate% -0.3 -0.4 -0.4 -0.2