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Vysoká hliníková kontrolná tehla pre teplovzdušné kachle

Vysoká hliníková kontrolná tehla pre teplovzdušné kachle

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

popis produktu

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.

Fyzikálne a chemické ukazovatele

Poradie/index Tehla z vysokého oxidu hlinitého Sekundárna tehla z vysokého oxidu hlinitého Trojúrovňová vysoká tehla z oxidu hlinitého Super vysoká tehla z oxidu hlinitého
LZ-75 LZ-65 LZ-55 LZ-80
AL203 ≧ 75 65 55 80
Fe203% 2.5 2.5 2.6 2.0
Sypná hmotnosť g / cm2 2.5 2.4 2.2 2.7
Pevnosť v tlaku pri izbovej teplote MPa> 70 60 50 80
Teplota mäknutia náplne ° C 1520 1480 1420 1530
Žiaruvzdornosť ° C> 1790 1770 1770 1790
Zdanlivá pórovitosť% 24 24 26 22
Percento trvalej zmeny linky vykurovania -0.3 -0.4 -0.4 -0.2