Anti Flaking Castables for Burners

Anti Flaking Castables for Burners

The anti-flaking castable for the burner is made of mullite and corundum bones, fine powder (α-A1203) powder, silicon carbide powder, etc., and a composite binder. The matrix composition is strictly controlled, and the particle size gradation is reasonable to improve high temperature. performance and improve the thermal shock stability of refractory materials.
The anti-flaking castable for burners has stable chemical salt content, uniform structure and high hardness in the raw material itself, so the castable has good volume stability, higher high-temperature strength, more wear resistance, excellent thermal shock stability, and excellent spalling resistance. And it is easy to construct. It has good thermal shock resistance, long service life and fast and easy construction. The addition of heat-resistant steel fibers and various additives significantly improves the high-temperature performance.
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Description
product-800-800

Combustor is always under the alkaline environment with frequent temperature variation and large temperature difference, at the same time it is scoured by airflow and chamotte dust. The Refractory Castable special for combustor developed by our company is of high temperture resistance,alkali resistance, thermal shock resistance, and scouring resistance.

 

 

The anti-stripping castable for burners in cement kilns is composed of magnesium aluminum spinel, Si2Al4O4N4, Al3BC3, zirconium spinel, strontium carbonate powder, vanadium carbide powder, alumina powder, pure calcium aluminate cement, composite powder, admixtures and aluminum chloride solution. The prefabricated parts are formed or cast by self-flowing pouring, and after curing and drying, they are heat treated at high temperatures. Compared with traditional castables, this product has the characteristics of self-flowing construction, self-defoaming, anti-stripping, high wear resistance and long service life. It can be more widely used in the burner parts of rotary kilns used in various cement industries.

product-1694-800

 

Physicochemical indicators of anti-stripping castables

 

Item

Anti-stripping Refractory Castable

AL2O3+SiC(%) ≥

78

Max.Use Temperature (℃)

1650

Volume Density (g/cm3)

110℃×24h ≥

2.6

Compressive Strength(MPa)

110℃×24h ≥

80

1100℃×3h ≥

100

1400℃×3h ≥

80

Rupture Strength(MPa)

110℃×24h ≥

10

1100℃×3h ≥

10

1400℃×3h ≥

8

Linear Variation (%)

1100℃×3h

±0.4

1400℃×3h

±0.5

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