site logo

Čelična opeka od visokog aluminija za peć sa toplim pjeskarenjem

Čelična opeka od visokog aluminija za peć sa toplim pjeskarenjem

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

opis proizvoda

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.

Fizikalni i kemijski pokazatelji

Rang/Indeks Opeka od visokog glinice Sekundarna opeka od glinice Opeka s visokim stupnjem glinice na tri razine Opeka od visokog glinice
LZ-75 LZ-65 LZ-55 LZ-80
AL203 ≧ 75 65 55 80
Fe203% 2.5 2.5 2.6 2.0
Nasipna gustoća g / cm2 2.5 2.4 2.2 2.7
Tlačna čvrstoća pri sobnoj temperaturi MPa> 70 60 50 80
Temperatura omekšavanja punjenja ° C 1520 1480 1420 1530
Vatrostalnost ° C> 1790 1770 1770 1790
Prividna poroznost% 24 24 26 22
Stopa promjene trajnog voda grijanja% -0.3 -0.4 -0.4 -0.2