Refractory Bricks
Refractory ball for hot blast stove

Refractory ball for hot blast stove

Refractory ball usually used in shift converter and reformer in ammonia plant. Refractory ball has a lot of advantages, such as:

High strength, long use period

Chemical stability, it wont react with our materials

Good performance of resistance high temperature,  resistance high temperatue up to 1900

 

Mullite

Mg-Al

High alumina low creep

Mg-Al-Cr

Mg-Cr

Silica

65

75

Al2O3%≥

75

5-10

65

75

5-10

 

 

Fe2O3%≤

 

 

1.5

1.5

 

 

2.0

MgO%≥

 

91

 

 

91

80

 

Cr2O3%≥

 

 

 

 

2

2

 

SiO2%≥

 

 

 

 

 

 

96

AP%≤

22

18

22

21

20

20

21

BD g/cm3≥

2.4

2.85

2.6

2.65

2.8

2.6

 

CCS≥

16000

18000

15000

15000

15000

20000

15000

Refractoriess≥

1790

1790

1790

1790

1790

1790

1710

PLC%

0.1-0.4

 

0.1-0.4

0.1-0.4

 

 

 

RUL ≥

1550

1550

1500

1520

1520

1520

1670

Thermal shock resistance≥

40

18

 

 

150

15

 

Creep rate

 

 

145050h0.2Mpa<1.0

145050h0.2Mpa<1.0

 

 

159050h0.2Mpa<0.5

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