Specifications
Clay brick for coke oven
1.Al2O3: 40%
is made of flint clay and fire clay.
It used to pave the liner of the coke furnace.
The brick is paved in the throat, stack, crucible, hearth of the furnace.
Clay Brick for Coke Oven
N-1, N-2a, N-2b, N-3a, N-3b, N-4, N-5.
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
Detailed Product Description
Item | N-1 | N-2a | N-2b | N-3a | N-3b | N-4 | N-5 | N-5 | |
Refractoriness ≥°c | 1760 | 1740 | 1740 | 1720 | 1720 | 1700 | 1660 | 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 (1100 water cooling) | N-2b,N-3b must carry on examination, indicates the measured data in the quality instruction booklet. | ||||||||
The test data is indicated in the quality certificate.
1.low investment,low influence to environment,high capacity.
2.We can put adobes or green bricks directly into the hoffman kiln
so that we do not need to invest on the tunnel kiln.
3.The brick production will not be influenced by weather condition
any more.
