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Low creep composite brick for hot air pipe

Low creep composite brick for hot air pipe

All types of refractory materials, customized kiln plan with drawings

Product advantages: large heat storage capacity, low creep rate and other advantages.

Product application: suitable for supporting hot blast furnaces and blast furnaces for medium and small blast furnaces.

Produktbeschreibung

Low-creep composite bricks for hot air ducts are made of bauxite clinker as the main raw material, supplemented by special additives, formed by high pressure, and fired at high temperature. It has the advantages of large heat storage capacity and low creep rate.

Physikalische und chemische Indikatoren

Projekt DRL-135 DRL-145 DRL-150 DRL-165 DRL-155 DRL-48
Al2O3,% ≥ 70 75 80 65 55 48
Refractoriness ℃ ≥ 1790 1790 1790 1790 1770 1750
Apparent porosity% ≤ 20 20 19 24 24 24
Compressive strength at room temperature MPa ≥ 65 70 80 49 44.1 39.2
Change rate of reheating wire% ≥ ± 0.1 ± 0.1 ± 0.1 + 0.1 ~ -0.4 + 0.1 ~ -0.4 + 0.1 ~ -0.4
1450℃*2h 1500℃*x2h 1450℃*2h
Load softening temperature (0.2Mpa) ℃ ≥ 1500 1550 1650 1500 1470 1420
Creep rate% ≤ 0.6
1350℃×50h
0.6 0.7
1450℃×50h 1500℃×50h