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Hoher Aluminium-Riffelstein für Heißluftofen

Hoher Aluminium-Riffelstein für Heißluftofen

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

Produktbeschreibung

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.

Physikalische und chemische Indikatoren

Rang/Index Ziegel mit hohem Tonerdegehalt Sekundärhochtonerdeziegel Dreistufiger hoher Tonerdeziegel Super hoher Tonerdeziegel
LZ-75 LZ-65 LZ-55 LZ-80
AL203 75 65 55 80
Fe203% 2.5 2.5 2.6 2.0
Schüttdichte g / cm2 2.5 2.4 2.2 2.7
Druckfestigkeit bei Raumtemperatur MPa> 70 60 50 80
Beladung Erweichungstemperatur °C 1520 1480 1420 1530
Feuerfestigkeit °C> 1790 1770 1770 1790
Scheinbare Porosität% 24 24 26 22
Änderungsrate der permanenten Heizleitung % -0.3 -0.4 -0.4 -0.2