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:Can mud and salt be used as refractory materials
Clay can be used as a refractory material, but salt can certainly not be used.
Q:Are refractory bricks necessarily needed to build a kitchen stove?
The kitchen stove is used to cook dinner, so refractory bricks are unnecessarily needed. It depends on the temperature.
Q:what is the ratio of refractory mortar and refractory bricks, such as how much refractory mortar is needed for a ton of refractory bricks?
Go to the refractory factory to buy some refractory clay that is of the same material as refractory bricks, generally boiler uses clay refractory mortar.
Q:Is the thickness of the kiln lining and the refractory brick the same concept?
This is certainly not the same. The thickness of the refractory brick can be arbitrary, the thickness of the kiln lining is generally designed according to requirement
Q:Is the waste of the fire resistant hazardous waste?
it mainly depends on whether the refractory bricks contain chromium, if not, we only need to properly dispose of them, it would cost less and assure that there is no bad effect on people and the environment, shoot two hawks with one arrow; if there is hazardous elements like chromium and mercury, it may cost much and be disposed as industrial waste(or construction waste) by local environmental protection department, it is ok if there is a large amount of waste, because the environmental protection department will not take those waste that is not obviously dangerous seriously, even if it is dangerous waste. If there is no suitable manufacturers. It is better to look for a refractory brick manufacturers to recycle it, the cost is acceptable if the amount is small. In general, these heavy metal containing refractory bricks need to be disposed by the company that has quality to dispose such hazardous waste.
Q:The service life of the refractory brick of the intermediate frequency electric furnace, how long is the replacement period.
There is no standard. As long as the induction coil can be fixed and furnace lining can be built, the service life will be different. Replace it if it's broken, and there is no problem to take it apart. Buy a backup. And the textures of refractory brick are not the same in different places.
Q:Will the heat be taken away by the refractory brick
The heat will be taken away by the refractory bricks.
Q:What are the differences between sintered bricks and refractory bricks?
Easily weathered. There is no obvious difference in the usage between fired pavingbricks and refractory bricks; sintered bricks are generally used for residential road and landscape engineering, they do not fade; refractory bricks are used for all kinds of kiln constructions in plant: It is not anti-freeze (when the temperature is below the zero degree, the brick will easily "blister" in the saturated state), the reasons are high compressive strength and high temperature zone' heat insulation and so on. Fired pavingbrick is a powerful vacuum extrusion type. Fire suppression road brick is high temperature furnace brick, which is not suitable to be used as road brick. Its characteristics are: Wear resistance and freeze-thaw resistance (the anti freeze-thaw cycle of brick is more than 50 times in saturated state), non weathering, sidewalks, short service life. Sintered brick belongs to the building material, refractory brick belongs to the industrial kiln material, which is easy to moss
Q:What kind of refractory brick is used for industrial furnace?
high alumina brick, Corundum mullite
Q:What is the raw material for the production of refractory bricks?
Refractory raw material, sodium silicate as a binder, and lightweight aggregate, magnesium sand, magnesia calcium. Magnesium Oxide, bauxite, and then lightly burn: Hard refractory clinker

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