Chrome corundum brick for coal water slurry or petrol coke

The chrome corundum brick, which is characterized with good mechanical property at high temperature and chemical stability, etc., is mainly used as the back lining of the coal water slurry or petrol c

The chrome corundum brick, which is characterized with good mechanical property at high temperature and chemical stability, etc., is mainly used as the back lining of the coal water slurry or petrol coke pressurized gasifier in petrochemical industry, working lining of gasifier, the inner lining of carbon black reaction furnace in chemical industry, and the inner lining of high temperature kilns in refractories industry.It has been applied in domestic and imported gasifier in many plants with good performance.

Item

Chrome corundum brick

CRCB-5

CRCB-12

CRCE-20

CRCB-30A

CRCB-30B

Long term  service temperature

1800

1850

1850

1850

1850

Cr2O3 %

5

12

19

24

30

Al2O3+ Cr2O3 %

93

93

93

93

-

Al2O3+ Cr2O3+ZrO2 %

-

-

-

-

93

Fe2O3 %

0.4

0.4

0.4

0.4

0.4

Bulk density ,  g/cm3     

3.15

3.20

3.25

3.30

3.35

Apparent  porosity , % 

18

18

18

18

18

cold crushing  strength , MPa       

75

80

90

90

90


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