Application of aluminum-silicon refractory brick in cement rotary kiln

The aluminum-silicon refractory bricks are mainly used in preheaters, decomposing furnaces, tertiary air ducts, kiln door covers, grate coolers, cement rotary kiln decomposition zones and upper and lower transition zones.

The aluminum-silicon refractory bricks mainly include alkali-resistant refractory bricks, anti-stripping high allumina bricks, silica-mullite series refractory bricks and high-load soft phosphates bricks.

The physical and chemical indicators of the above mentioned bricks are as follows:

alkali-resistant refractory brick
Refractory Name	Chemical Composition (Al2O3) %	C.C.S (MPa)	Alkali Resistance
Ordinary Alkali-Resistant Brick	25~40	≥30	I
High-Strength Alkali-Resistant Brick	25~40	≥60	I

anti-stripping high allumina brick
Refractory Name	Chemical Composition %		Bulk Density (g/cm3)	Apparent Porosity (%)	CSS (MPa)	Refractoriness Under Load (℃) (0.2MPa, T0.6)	Thermal Shock Resistance (Cycle) (1100℃，water quenching)
Refractory Name	Al2O3	ZnO2	Bulk Density (g/cm3)	Apparent Porosity (%)	CSS (MPa)	Refractoriness Under Load (℃) (0.2MPa, T0.6)	Thermal Shock Resistance (Cycle) (1100℃，water quenching)
anti-stripping high allumina brick	≥70	≥6.0	≥2.55	≤22	≥60	≥1470	≥20
anti-stripping high allumina brick	≥70	-	≥2.55	≤20	≥60	≥1470	≥15

silica-mullite series refractory brick
Refractory Name	Chemical Composition %		Bulk Density (g/cm3)	Apparent Porosity (%)	CSS (MPa)	Refractoriness Under Load (℃) (0.2MPa, T0.6)	Thermal Shock Resistance (Cycle) (1100℃，water quenching)	Abrasion at Ambient Temperature (cm³)
Refractory Name	Al2O3	SiO2+SiC	Bulk Density (g/cm3)	Apparent Porosity (%)	CSS (MPa)	Refractoriness Under Load (℃) (0.2MPa, T0.6)	Thermal Shock Resistance (Cycle) (1100℃，water quenching)	Abrasion at Ambient Temperature (cm³)
silica-mullite series refractory brick	≥65	≥30	≥2.60	≤19	≥85	≥1650	≥10	≤8
	≥63	≥30	≥2.60	≤19	≥90	≥1600	≥10	≤8
	≥60	≥30	≥2.55	≤19	≥90	≥1550	≥12	≤8
high abrasive brick	≥50	≥30	≥2.50	≤17	≥90	≥1550	≥12	≤5

Tags: aluminum-silicon-refractory-brick, cement-rotary-kiln,

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