Blast furnace mullite

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Product features: the blast furnace by using artificial fused mullite brick fire and mullite as main raw materials, through high pressure molding, high temperature sintering, the main mineral composition of mullite, the product has low porosity, load softening point and high creep performance is good and excellent chemical corrosion resistance etc, is one of the big blast furnace in a high-level "ceramic cup" material, is also a hot blast stove and other industrial kiln with high-grade refractory materials.

项目
item

莫来石转
Mullite bricks

    硅线石砖
Sillimanite bricks

复合棕刚玉砖
Compound brown
Corundum bricks

Al2O3  ,%             不小于
Min

70

55

75

Fe2O3 ,%              不大于
Max

0.8

1.5

SIC,10

耐火度,%             不低于
Refractoriness         min

1800

1800

1800

荷重软化开始温度,℃  不低于
RUL                   min

1650

1550

1700

重烧线变化,%         不大于
P.L.C.                max

0-0.4

0-0.4

±0.2

显气孔,%              不小于
A.P.                  max

18

17

18

常温耐压强度,MPa     不小于
CCS                   min

100

80

80

抗震稳定性,1100℃水冷,次
Thermal Shock Resistance(cycles)

25


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Q:what should press on the heat preserving cotton above the suspended ceiling refractory brick ?
you can also put Z shaped steel on the purline, put heat preserving cotton on the roof boarding, it is easy to oprate.
Q:what effect does big mortar joints of the boiler refractory brick have on the boiler?
The ventilation leakage。 Now the larger boilers are generally used refractory pouring material one-time pouring, the arch is easy to collapse . 2, shrinkage and expansion of brick will make the bricks fall. 1, do not use the refractory brick. too large seam will effect the tightness of furnace wall , and the water wall is easy to form dew and be corroded and to leak smoke.
Q:Which is better for tunnel kiln suspended ceiling, refractory brick or ceramic fiber module ?
ceramic fiber module is better
Q:Can red bricks be burned in tunnel kiln which used to burn refractory brick?
The raw material determines the production process; the output determines the kiln type; the technology determines the quality and quantity.
Q:the refractory brick in glass furnace burner was burning, the bricks on both sides of the fire hole were burning the blocked it, what will cause brick burning?
The firebrick in glass melting furnace is mainly consisted of zircon brick, other ordinary refractory materials can not effectively prevent the erosion of glass solution. Because the glass melting liquid is eutectic mixture compared to the refractory bricks, it penetrates into the refractory brick and reduces its original performance, simply speaking, the glass melting liquid dissolves the refractory bricks as eutectic mixture .
Q:The shape and size of general used refractory brick
240mm * 115mm * 53mm. and the width is 115mm, the shape and size of mechanism red brick is: 230mm * 114mm * 65mm, the outline dimension of special refractory brick is of 65mm thickness according to the national standard: Length is 230mm. That is: Length is 240mm. General type refractory brick's outline dimension is of 114mm width. That is, thickness is 53mm: 345*328*97
Q:What refractory mortar is better if masonrying 4 meters height and 114 mm width of refractory brick
Use high aluminum refractory cement!
Q:How to use the winding packaging machine to pack refractory bricks
Over 150KG the most common winding machine can pack, if it is light or the goods scatter, then add capping or pre-drawn device is all right.
Q:How to repair the boiler?
use refractory bricks and plastic refractory
Q:Can mud and salt be used as refractory materials
Definitely not, the refractory temperature of soil just is more than 800 degrees, it belongs to eutectic mixture

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