Clay Brick for Coke Oven

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Clay Brick for Coke Oven 1). Made of flint clay and fire clay. 2). Used to pave the liner of the coke furnace. 3). The brick is paved in the throat, stack, crucible, heart of the furnace. 4). Small high-temperature creep. 5). Strong acid slag erosion

Description

Clay Brick for Coke Oven
1). Made of flint clay and fire clay.
2). Used to pave the liner of the coke furnace.
3). The brick is paved in the throat, stack, crucible, heart of the furnace.
4). Small high-temperature creep.
5). Strong acid slag erosion resistance.
6). Good thermal performance
 
The index is as follows:

ITEM

INDEX

N-1

N-2a

N-2b

N-3a

N-3b

N-4

N-5

N-5

Refractoriness≥°c

1750

1730

1730

1710

1710

170

1690

1580

Refractoriness under load in 0.2MPa ≥

1400

1350

 

1320

 

1300

 

 

Permanent

Linear

change

1400°c ×2h

+0.1

-0.4

+0.1

-0.5

+0.2

-0.5

 

 

 

 

 

1350°c×2h

 

 

 

+0.2

-0.5

+0.2

-0.5

+0.2

-0.5

+0.2

-0.5

 

Apparent porosity %

22

24

26

24

26

24

26

28

Cold crushing strength

resistance kgf/cm2

300

250

200

200

150

200

150

150

Thermal shock resistance

The test data is indicated in the quality certificate.